author | Boris Feld <boris.feld@octobus.net> |
Sat, 18 Aug 2018 12:45:44 +0200 | |
changeset 39490 | 966950954fda |
parent 39259 | e00123f63410 |
child 39563 | b31b01f93b11 |
permissions | -rw-r--r-- |
17515 | 1 |
# util.py - Mercurial utility functions and platform specific implementations |
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# |
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# Copyright 2005 K. Thananchayan <thananck@yahoo.com> |
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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"""Mercurial utility functions and platform specific implementations. |
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This contains helper routines that are independent of the SCM core and |
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hide platform-specific details from the core. |
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""" |
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from __future__ import absolute_import, print_function |
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import abc |
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import bz2 |
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import collections |
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import contextlib |
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import errno |
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import gc |
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import hashlib |
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import itertools |
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import mmap |
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import os |
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import platform as pyplatform |
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import re as remod |
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import shutil |
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import socket |
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import stat |
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import sys |
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import time |
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import traceback |
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import warnings |
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import zlib |
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from .thirdparty import ( |
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attr, |
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) |
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from hgdemandimport import tracing |
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from . import ( |
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encoding, |
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error, |
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i18n, |
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node as nodemod, |
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policy, |
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pycompat, |
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urllibcompat, |
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) |
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from .utils import ( |
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procutil, |
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stringutil, |
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) |
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base85 = policy.importmod(r'base85') |
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osutil = policy.importmod(r'osutil') |
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parsers = policy.importmod(r'parsers') |
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b85decode = base85.b85decode |
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b85encode = base85.b85encode |
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cookielib = pycompat.cookielib |
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httplib = pycompat.httplib |
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pickle = pycompat.pickle |
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safehasattr = pycompat.safehasattr |
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socketserver = pycompat.socketserver |
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bytesio = pycompat.bytesio |
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# TODO deprecate stringio name, as it is a lie on Python 3. |
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stringio = bytesio |
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xmlrpclib = pycompat.xmlrpclib |
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httpserver = urllibcompat.httpserver |
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urlerr = urllibcompat.urlerr |
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urlreq = urllibcompat.urlreq |
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# workaround for win32mbcs |
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_filenamebytestr = pycompat.bytestr |
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if pycompat.iswindows: |
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from . import windows as platform |
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else: |
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from . import posix as platform |
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_ = i18n._ |
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|
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bindunixsocket = platform.bindunixsocket |
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cachestat = platform.cachestat |
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checkexec = platform.checkexec |
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checklink = platform.checklink |
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copymode = platform.copymode |
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expandglobs = platform.expandglobs |
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getfsmountpoint = platform.getfsmountpoint |
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getfstype = platform.getfstype |
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groupmembers = platform.groupmembers |
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groupname = platform.groupname |
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isexec = platform.isexec |
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isowner = platform.isowner |
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listdir = osutil.listdir |
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localpath = platform.localpath |
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lookupreg = platform.lookupreg |
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makedir = platform.makedir |
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nlinks = platform.nlinks |
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normpath = platform.normpath |
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normcase = platform.normcase |
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normcasespec = platform.normcasespec |
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normcasefallback = platform.normcasefallback |
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openhardlinks = platform.openhardlinks |
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oslink = platform.oslink |
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parsepatchoutput = platform.parsepatchoutput |
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pconvert = platform.pconvert |
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poll = platform.poll |
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posixfile = platform.posixfile |
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rename = platform.rename |
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removedirs = platform.removedirs |
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samedevice = platform.samedevice |
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samefile = platform.samefile |
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samestat = platform.samestat |
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setflags = platform.setflags |
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split = platform.split |
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statfiles = getattr(osutil, 'statfiles', platform.statfiles) |
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statisexec = platform.statisexec |
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statislink = platform.statislink |
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umask = platform.umask |
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unlink = platform.unlink |
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username = platform.username |
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128 |
|
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try: |
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recvfds = osutil.recvfds |
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except AttributeError: |
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pass |
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133 |
|
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134 |
# Python compatibility |
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_notset = object() |
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137 |
|
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def bitsfrom(container): |
139 |
bits = 0 |
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for bit in container: |
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bits |= bit |
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return bits |
|
143 |
||
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# python 2.6 still have deprecation warning enabled by default. We do not want |
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# to display anything to standard user so detect if we are running test and |
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# only use python deprecation warning in this case. |
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147 |
_dowarn = bool(encoding.environ.get('HGEMITWARNINGS')) |
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148 |
if _dowarn: |
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149 |
# explicitly unfilter our warning for python 2.7 |
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150 |
# |
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151 |
# The option of setting PYTHONWARNINGS in the test runner was investigated. |
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152 |
# However, module name set through PYTHONWARNINGS was exactly matched, so |
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153 |
# we cannot set 'mercurial' and have it match eg: 'mercurial.scmutil'. This |
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# makes the whole PYTHONWARNINGS thing useless for our usecase. |
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warnings.filterwarnings(r'default', r'', DeprecationWarning, r'mercurial') |
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warnings.filterwarnings(r'default', r'', DeprecationWarning, r'hgext') |
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warnings.filterwarnings(r'default', r'', DeprecationWarning, r'hgext3rd') |
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if _dowarn and pycompat.ispy3: |
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# silence warning emitted by passing user string to re.sub() |
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warnings.filterwarnings(r'ignore', r'bad escape', DeprecationWarning, |
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161 |
r'mercurial') |
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warnings.filterwarnings(r'ignore', r'invalid escape sequence', |
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DeprecationWarning, r'mercurial') |
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# TODO: reinvent imp.is_frozen() |
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warnings.filterwarnings(r'ignore', r'the imp module is deprecated', |
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DeprecationWarning, r'mercurial') |
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167 |
|
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168 |
def nouideprecwarn(msg, version, stacklevel=1): |
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169 |
"""Issue an python native deprecation warning |
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170 |
|
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171 |
This is a noop outside of tests, use 'ui.deprecwarn' when possible. |
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172 |
""" |
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173 |
if _dowarn: |
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174 |
msg += ("\n(compatibility will be dropped after Mercurial-%s," |
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175 |
" update your code.)") % version |
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176 |
warnings.warn(pycompat.sysstr(msg), DeprecationWarning, stacklevel + 1) |
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177 |
|
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178 |
DIGESTS = { |
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179 |
'md5': hashlib.md5, |
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180 |
'sha1': hashlib.sha1, |
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181 |
'sha512': hashlib.sha512, |
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182 |
} |
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183 |
# List of digest types from strongest to weakest |
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184 |
DIGESTS_BY_STRENGTH = ['sha512', 'sha1', 'md5'] |
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185 |
|
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186 |
for k in DIGESTS_BY_STRENGTH: |
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187 |
assert k in DIGESTS |
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188 |
|
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189 |
class digester(object): |
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190 |
"""helper to compute digests. |
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191 |
|
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192 |
This helper can be used to compute one or more digests given their name. |
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193 |
|
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194 |
>>> d = digester([b'md5', b'sha1']) |
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195 |
>>> d.update(b'foo') |
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196 |
>>> [k for k in sorted(d)] |
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197 |
['md5', 'sha1'] |
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198 |
>>> d[b'md5'] |
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199 |
'acbd18db4cc2f85cedef654fccc4a4d8' |
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200 |
>>> d[b'sha1'] |
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201 |
'0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33' |
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202 |
>>> digester.preferred([b'md5', b'sha1']) |
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203 |
'sha1' |
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204 |
""" |
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205 |
|
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206 |
def __init__(self, digests, s=''): |
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207 |
self._hashes = {} |
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208 |
for k in digests: |
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209 |
if k not in DIGESTS: |
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210 |
raise error.Abort(_('unknown digest type: %s') % k) |
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211 |
self._hashes[k] = DIGESTS[k]() |
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212 |
if s: |
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213 |
self.update(s) |
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214 |
|
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215 |
def update(self, data): |
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216 |
for h in self._hashes.values(): |
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217 |
h.update(data) |
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218 |
|
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219 |
def __getitem__(self, key): |
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if key not in DIGESTS: |
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raise error.Abort(_('unknown digest type: %s') % k) |
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222 |
return nodemod.hex(self._hashes[key].digest()) |
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223 |
|
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224 |
def __iter__(self): |
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return iter(self._hashes) |
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226 |
|
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227 |
@staticmethod |
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228 |
def preferred(supported): |
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"""returns the strongest digest type in both supported and DIGESTS.""" |
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230 |
|
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231 |
for k in DIGESTS_BY_STRENGTH: |
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232 |
if k in supported: |
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return k |
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return None |
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class digestchecker(object): |
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"""file handle wrapper that additionally checks content against a given |
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size and digests. |
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|
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d = digestchecker(fh, size, {'md5': '...'}) |
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|
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When multiple digests are given, all of them are validated. |
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""" |
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|
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def __init__(self, fh, size, digests): |
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self._fh = fh |
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self._size = size |
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self._got = 0 |
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self._digests = dict(digests) |
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self._digester = digester(self._digests.keys()) |
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|
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def read(self, length=-1): |
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content = self._fh.read(length) |
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self._digester.update(content) |
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self._got += len(content) |
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return content |
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|
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def validate(self): |
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if self._size != self._got: |
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raise error.Abort(_('size mismatch: expected %d, got %d') % |
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(self._size, self._got)) |
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for k, v in self._digests.items(): |
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if v != self._digester[k]: |
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# i18n: first parameter is a digest name |
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raise error.Abort(_('%s mismatch: expected %s, got %s') % |
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(k, v, self._digester[k])) |
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try: |
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buffer = buffer |
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except NameError: |
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def buffer(sliceable, offset=0, length=None): |
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if length is not None: |
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return memoryview(sliceable)[offset:offset + length] |
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return memoryview(sliceable)[offset:] |
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_chunksize = 4096 |
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class bufferedinputpipe(object): |
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"""a manually buffered input pipe |
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|
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Python will not let us use buffered IO and lazy reading with 'polling' at |
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the same time. We cannot probe the buffer state and select will not detect |
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that data are ready to read if they are already buffered. |
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|
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This class let us work around that by implementing its own buffering |
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(allowing efficient readline) while offering a way to know if the buffer is |
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empty from the output (allowing collaboration of the buffer with polling). |
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|
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This class lives in the 'util' module because it makes use of the 'os' |
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module from the python stdlib. |
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""" |
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def __new__(cls, fh): |
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# If we receive a fileobjectproxy, we need to use a variation of this |
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# class that notifies observers about activity. |
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if isinstance(fh, fileobjectproxy): |
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cls = observedbufferedinputpipe |
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|
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return super(bufferedinputpipe, cls).__new__(cls) |
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|
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def __init__(self, input): |
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self._input = input |
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self._buffer = [] |
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self._eof = False |
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self._lenbuf = 0 |
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|
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@property |
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def hasbuffer(self): |
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"""True is any data is currently buffered |
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309 |
|
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This will be used externally a pre-step for polling IO. If there is |
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already data then no polling should be set in place.""" |
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return bool(self._buffer) |
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|
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@property |
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def closed(self): |
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return self._input.closed |
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|
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def fileno(self): |
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return self._input.fileno() |
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|
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def close(self): |
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return self._input.close() |
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|
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def read(self, size): |
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while (not self._eof) and (self._lenbuf < size): |
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self._fillbuffer() |
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return self._frombuffer(size) |
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|
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def unbufferedread(self, size): |
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if not self._eof and self._lenbuf == 0: |
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self._fillbuffer(max(size, _chunksize)) |
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return self._frombuffer(min(self._lenbuf, size)) |
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|
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def readline(self, *args, **kwargs): |
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if 1 < len(self._buffer): |
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# this should not happen because both read and readline end with a |
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# _frombuffer call that collapse it. |
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self._buffer = [''.join(self._buffer)] |
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self._lenbuf = len(self._buffer[0]) |
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lfi = -1 |
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if self._buffer: |
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lfi = self._buffer[-1].find('\n') |
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while (not self._eof) and lfi < 0: |
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344 |
self._fillbuffer() |
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|
345 |
if self._buffer: |
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|
346 |
lfi = self._buffer[-1].find('\n') |
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diff
changeset
|
347 |
size = lfi + 1 |
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|
348 |
if lfi < 0: # end of file |
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|
349 |
size = self._lenbuf |
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diff
changeset
|
350 |
elif 1 < len(self._buffer): |
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diff
changeset
|
351 |
# we need to take previous chunks into account |
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|
352 |
size += self._lenbuf - len(self._buffer[-1]) |
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changeset
|
353 |
return self._frombuffer(size) |
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diff
changeset
|
354 |
|
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diff
changeset
|
355 |
def _frombuffer(self, size): |
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diff
changeset
|
356 |
"""return at most 'size' data from the buffer |
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changeset
|
357 |
|
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diff
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|
358 |
The data are removed from the buffer.""" |
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diff
changeset
|
359 |
if size == 0 or not self._buffer: |
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diff
changeset
|
360 |
return '' |
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diff
changeset
|
361 |
buf = self._buffer[0] |
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diff
changeset
|
362 |
if 1 < len(self._buffer): |
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diff
changeset
|
363 |
buf = ''.join(self._buffer) |
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diff
changeset
|
364 |
|
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diff
changeset
|
365 |
data = buf[:size] |
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diff
changeset
|
366 |
buf = buf[len(data):] |
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diff
changeset
|
367 |
if buf: |
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parents:
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diff
changeset
|
368 |
self._buffer = [buf] |
25672
050dc6eabc92
bufferedinputpipe: remove N^2 computation of buffer length (issue4735)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25671
diff
changeset
|
369 |
self._lenbuf = len(buf) |
25406
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diff
changeset
|
370 |
else: |
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parents:
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diff
changeset
|
371 |
self._buffer = [] |
25672
050dc6eabc92
bufferedinputpipe: remove N^2 computation of buffer length (issue4735)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25671
diff
changeset
|
372 |
self._lenbuf = 0 |
25406
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diff
changeset
|
373 |
return data |
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diff
changeset
|
374 |
|
38713
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
375 |
def _fillbuffer(self, size=_chunksize): |
25406
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parents:
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diff
changeset
|
376 |
"""read data to the buffer""" |
38713
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
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diff
changeset
|
377 |
data = os.read(self._input.fileno(), size) |
25406
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util: introduce a bufferedinputpipe utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25245
diff
changeset
|
378 |
if not data: |
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parents:
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diff
changeset
|
379 |
self._eof = True |
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util: introduce a bufferedinputpipe utility
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parents:
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diff
changeset
|
380 |
else: |
25672
050dc6eabc92
bufferedinputpipe: remove N^2 computation of buffer length (issue4735)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25671
diff
changeset
|
381 |
self._lenbuf += len(data) |
25406
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util: introduce a bufferedinputpipe utility
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parents:
25245
diff
changeset
|
382 |
self._buffer.append(data) |
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util: introduce a bufferedinputpipe utility
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parents:
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diff
changeset
|
383 |
|
36525
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
384 |
return data |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
385 |
|
34295
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
386 |
def mmapread(fp): |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
387 |
try: |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
388 |
fd = getattr(fp, 'fileno', lambda: fp)() |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
389 |
return mmap.mmap(fd, 0, access=mmap.ACCESS_READ) |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
390 |
except ValueError: |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
391 |
# Empty files cannot be mmapped, but mmapread should still work. Check |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
392 |
# if the file is empty, and if so, return an empty buffer. |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
393 |
if os.fstat(fd).st_size == 0: |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
394 |
return '' |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
395 |
raise |
3bb2a9f25fe9
util: add an mmapread method
Mark Thomas <mbthomas@fb.com>
parents:
34139
diff
changeset
|
396 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
397 |
class fileobjectproxy(object): |
bfe38f787d5b
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
398 |
"""A proxy around file objects that tells a watcher when events occur. |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
399 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
400 |
This type is intended to only be used for testing purposes. Think hard |
bfe38f787d5b
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
401 |
before using it in important code. |
bfe38f787d5b
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
402 |
""" |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
403 |
__slots__ = ( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
404 |
r'_orig', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
405 |
r'_observer', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
406 |
) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
407 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
408 |
def __init__(self, fh, observer): |
36584
f5427483eebe
util: add missing r prefix on some __setattr__ calls
Augie Fackler <augie@google.com>
parents:
36551
diff
changeset
|
409 |
object.__setattr__(self, r'_orig', fh) |
f5427483eebe
util: add missing r prefix on some __setattr__ calls
Augie Fackler <augie@google.com>
parents:
36551
diff
changeset
|
410 |
object.__setattr__(self, r'_observer', observer) |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
411 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
412 |
def __getattribute__(self, name): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
413 |
ours = { |
36525
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
414 |
r'_observer', |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
415 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
416 |
# IOBase |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
417 |
r'close', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
418 |
# closed if a property |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
419 |
r'fileno', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
420 |
r'flush', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
421 |
r'isatty', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
422 |
r'readable', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
423 |
r'readline', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
424 |
r'readlines', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
425 |
r'seek', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
426 |
r'seekable', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
427 |
r'tell', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
428 |
r'truncate', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
429 |
r'writable', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
430 |
r'writelines', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
431 |
# RawIOBase |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
432 |
r'read', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
433 |
r'readall', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
434 |
r'readinto', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
435 |
r'write', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
436 |
# BufferedIOBase |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
437 |
# raw is a property |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
438 |
r'detach', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
439 |
# read defined above |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
440 |
r'read1', |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
441 |
# readinto defined above |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
442 |
# write defined above |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
443 |
} |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
444 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
445 |
# We only observe some methods. |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
446 |
if name in ours: |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
447 |
return object.__getattribute__(self, name) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
448 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
449 |
return getattr(object.__getattribute__(self, r'_orig'), name) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
450 |
|
36832
6bdea0efdab5
util: forward __bool__()/__nonzero__() on fileobjectproxy
Matt Harbison <matt_harbison@yahoo.com>
parents:
36793
diff
changeset
|
451 |
def __nonzero__(self): |
6bdea0efdab5
util: forward __bool__()/__nonzero__() on fileobjectproxy
Matt Harbison <matt_harbison@yahoo.com>
parents:
36793
diff
changeset
|
452 |
return bool(object.__getattribute__(self, r'_orig')) |
6bdea0efdab5
util: forward __bool__()/__nonzero__() on fileobjectproxy
Matt Harbison <matt_harbison@yahoo.com>
parents:
36793
diff
changeset
|
453 |
|
6bdea0efdab5
util: forward __bool__()/__nonzero__() on fileobjectproxy
Matt Harbison <matt_harbison@yahoo.com>
parents:
36793
diff
changeset
|
454 |
__bool__ = __nonzero__ |
6bdea0efdab5
util: forward __bool__()/__nonzero__() on fileobjectproxy
Matt Harbison <matt_harbison@yahoo.com>
parents:
36793
diff
changeset
|
455 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
456 |
def __delattr__(self, name): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
457 |
return delattr(object.__getattribute__(self, r'_orig'), name) |
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util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
458 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
459 |
def __setattr__(self, name, value): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
460 |
return setattr(object.__getattribute__(self, r'_orig'), name, value) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
461 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
462 |
def __iter__(self): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
463 |
return object.__getattribute__(self, r'_orig').__iter__() |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
464 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
465 |
def _observedcall(self, name, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
466 |
# Call the original object. |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
467 |
orig = object.__getattribute__(self, r'_orig') |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
468 |
res = getattr(orig, name)(*args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
469 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
470 |
# Call a method on the observer of the same name with arguments |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
471 |
# so it can react, log, etc. |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
472 |
observer = object.__getattribute__(self, r'_observer') |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
473 |
fn = getattr(observer, name, None) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
474 |
if fn: |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
475 |
fn(res, *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
476 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
477 |
return res |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
478 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
479 |
def close(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
480 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
481 |
r'close', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
482 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
483 |
def fileno(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
484 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
485 |
r'fileno', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
486 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
487 |
def flush(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
488 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
489 |
r'flush', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
490 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
491 |
def isatty(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
492 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
493 |
r'isatty', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
494 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
495 |
def readable(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
496 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
497 |
r'readable', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
498 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
499 |
def readline(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
500 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
501 |
r'readline', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
502 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
503 |
def readlines(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
504 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
505 |
r'readlines', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
506 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
507 |
def seek(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
508 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
509 |
r'seek', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
510 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
511 |
def seekable(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
512 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
513 |
r'seekable', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
514 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
515 |
def tell(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
516 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
517 |
r'tell', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
518 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
519 |
def truncate(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
520 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
521 |
r'truncate', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
522 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
523 |
def writable(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
524 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
525 |
r'writable', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
526 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
527 |
def writelines(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
528 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
529 |
r'writelines', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
530 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
531 |
def read(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
532 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
533 |
r'read', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
534 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
535 |
def readall(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
536 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
537 |
r'readall', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
538 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
539 |
def readinto(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
540 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
541 |
r'readinto', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
542 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
543 |
def write(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
544 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
545 |
r'write', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
546 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
547 |
def detach(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
548 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
549 |
r'detach', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
550 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
551 |
def read1(self, *args, **kwargs): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
552 |
return object.__getattribute__(self, r'_observedcall')( |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
553 |
r'read1', *args, **kwargs) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
554 |
|
36525
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
555 |
class observedbufferedinputpipe(bufferedinputpipe): |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
556 |
"""A variation of bufferedinputpipe that is aware of fileobjectproxy. |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
557 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
558 |
``bufferedinputpipe`` makes low-level calls to ``os.read()`` that |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
559 |
bypass ``fileobjectproxy``. Because of this, we need to make |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
560 |
``bufferedinputpipe`` aware of these operations. |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
561 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
562 |
This variation of ``bufferedinputpipe`` can notify observers about |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
563 |
``os.read()`` events. It also re-publishes other events, such as |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
564 |
``read()`` and ``readline()``. |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
565 |
""" |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
566 |
def _fillbuffer(self): |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
567 |
res = super(observedbufferedinputpipe, self)._fillbuffer() |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
568 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
569 |
fn = getattr(self._input._observer, r'osread', None) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
570 |
if fn: |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
571 |
fn(res, _chunksize) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
572 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
573 |
return res |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
574 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
575 |
# We use different observer methods because the operation isn't |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
576 |
# performed on the actual file object but on us. |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
577 |
def read(self, size): |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
578 |
res = super(observedbufferedinputpipe, self).read(size) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
579 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
580 |
fn = getattr(self._input._observer, r'bufferedread', None) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
581 |
if fn: |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
582 |
fn(res, size) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
583 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
584 |
return res |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
585 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
586 |
def readline(self, *args, **kwargs): |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
587 |
res = super(observedbufferedinputpipe, self).readline(*args, **kwargs) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
588 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
589 |
fn = getattr(self._input._observer, r'bufferedreadline', None) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
590 |
if fn: |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
591 |
fn(res) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
592 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
593 |
return res |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
594 |
|
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
595 |
PROXIED_SOCKET_METHODS = { |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
596 |
r'makefile', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
597 |
r'recv', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
598 |
r'recvfrom', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
599 |
r'recvfrom_into', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
600 |
r'recv_into', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
601 |
r'send', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
602 |
r'sendall', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
603 |
r'sendto', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
604 |
r'setblocking', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
605 |
r'settimeout', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
606 |
r'gettimeout', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
607 |
r'setsockopt', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
608 |
} |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
609 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
610 |
class socketproxy(object): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
611 |
"""A proxy around a socket that tells a watcher when events occur. |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
612 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
613 |
This is like ``fileobjectproxy`` except for sockets. |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
614 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
615 |
This type is intended to only be used for testing purposes. Think hard |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
616 |
before using it in important code. |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
617 |
""" |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
618 |
__slots__ = ( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
619 |
r'_orig', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
620 |
r'_observer', |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
621 |
) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
622 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
623 |
def __init__(self, sock, observer): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
624 |
object.__setattr__(self, r'_orig', sock) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
625 |
object.__setattr__(self, r'_observer', observer) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
626 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
627 |
def __getattribute__(self, name): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
628 |
if name in PROXIED_SOCKET_METHODS: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
629 |
return object.__getattribute__(self, name) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
630 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
631 |
return getattr(object.__getattribute__(self, r'_orig'), name) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
632 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
633 |
def __delattr__(self, name): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
634 |
return delattr(object.__getattribute__(self, r'_orig'), name) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
635 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
636 |
def __setattr__(self, name, value): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
637 |
return setattr(object.__getattribute__(self, r'_orig'), name, value) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
638 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
639 |
def __nonzero__(self): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
640 |
return bool(object.__getattribute__(self, r'_orig')) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
641 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
642 |
__bool__ = __nonzero__ |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
643 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
644 |
def _observedcall(self, name, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
645 |
# Call the original object. |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
646 |
orig = object.__getattribute__(self, r'_orig') |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
647 |
res = getattr(orig, name)(*args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
648 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
649 |
# Call a method on the observer of the same name with arguments |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
650 |
# so it can react, log, etc. |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
651 |
observer = object.__getattribute__(self, r'_observer') |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
652 |
fn = getattr(observer, name, None) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
653 |
if fn: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
654 |
fn(res, *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
655 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
656 |
return res |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
657 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
658 |
def makefile(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
659 |
res = object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
660 |
r'makefile', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
661 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
662 |
# The file object may be used for I/O. So we turn it into a |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
663 |
# proxy using our observer. |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
664 |
observer = object.__getattribute__(self, r'_observer') |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
665 |
return makeloggingfileobject(observer.fh, res, observer.name, |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
666 |
reads=observer.reads, |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
667 |
writes=observer.writes, |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
668 |
logdata=observer.logdata, |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
669 |
logdataapis=observer.logdataapis) |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
670 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
671 |
def recv(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
672 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
673 |
r'recv', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
674 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
675 |
def recvfrom(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
676 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
677 |
r'recvfrom', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
678 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
679 |
def recvfrom_into(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
680 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
681 |
r'recvfrom_into', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
682 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
683 |
def recv_into(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
684 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
685 |
r'recv_info', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
686 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
687 |
def send(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
688 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
689 |
r'send', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
690 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
691 |
def sendall(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
692 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
693 |
r'sendall', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
694 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
695 |
def sendto(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
696 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
697 |
r'sendto', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
698 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
699 |
def setblocking(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
700 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
701 |
r'setblocking', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
702 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
703 |
def settimeout(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
704 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
705 |
r'settimeout', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
706 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
707 |
def gettimeout(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
708 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
709 |
r'gettimeout', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
710 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
711 |
def setsockopt(self, *args, **kwargs): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
712 |
return object.__getattribute__(self, r'_observedcall')( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
713 |
r'setsockopt', *args, **kwargs) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
714 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
715 |
class baseproxyobserver(object): |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
716 |
def _writedata(self, data): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
717 |
if not self.logdata: |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
718 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
719 |
self.fh.write('\n') |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
720 |
self.fh.flush() |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
721 |
return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
722 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
723 |
# Simple case writes all data on a single line. |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
724 |
if b'\n' not in data: |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
725 |
if self.logdataapis: |
37322
a67fd1fe5109
stringutil: drop escapedata() in favor of escapestr()
Yuya Nishihara <yuya@tcha.org>
parents:
37121
diff
changeset
|
726 |
self.fh.write(': %s\n' % stringutil.escapestr(data)) |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
727 |
else: |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37083
diff
changeset
|
728 |
self.fh.write('%s> %s\n' |
37322
a67fd1fe5109
stringutil: drop escapedata() in favor of escapestr()
Yuya Nishihara <yuya@tcha.org>
parents:
37121
diff
changeset
|
729 |
% (self.name, stringutil.escapestr(data))) |
36991
d683c7367989
wireproto: explicitly flush stdio to prevent stalls on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents:
36958
diff
changeset
|
730 |
self.fh.flush() |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
731 |
return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
732 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
733 |
# Data with newlines is written to multiple lines. |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
734 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
735 |
self.fh.write(':\n') |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
736 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
737 |
lines = data.splitlines(True) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
738 |
for line in lines: |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37083
diff
changeset
|
739 |
self.fh.write('%s> %s\n' |
37322
a67fd1fe5109
stringutil: drop escapedata() in favor of escapestr()
Yuya Nishihara <yuya@tcha.org>
parents:
37121
diff
changeset
|
740 |
% (self.name, stringutil.escapestr(line))) |
36991
d683c7367989
wireproto: explicitly flush stdio to prevent stalls on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents:
36958
diff
changeset
|
741 |
self.fh.flush() |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
742 |
|
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
743 |
class fileobjectobserver(baseproxyobserver): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
744 |
"""Logs file object activity.""" |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
745 |
def __init__(self, fh, name, reads=True, writes=True, logdata=False, |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
746 |
logdataapis=True): |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
747 |
self.fh = fh |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
748 |
self.name = name |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
749 |
self.logdata = logdata |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
750 |
self.logdataapis = logdataapis |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
751 |
self.reads = reads |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
752 |
self.writes = writes |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
753 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
754 |
def read(self, res, size=-1): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
755 |
if not self.reads: |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
756 |
return |
36585
26a6b62919e2
util: work around Python 3 returning None at EOF instead of ''
Augie Fackler <augie@google.com>
parents:
36584
diff
changeset
|
757 |
# Python 3 can return None from reads at EOF instead of empty strings. |
26a6b62919e2
util: work around Python 3 returning None at EOF instead of ''
Augie Fackler <augie@google.com>
parents:
36584
diff
changeset
|
758 |
if res is None: |
26a6b62919e2
util: work around Python 3 returning None at EOF instead of ''
Augie Fackler <augie@google.com>
parents:
36584
diff
changeset
|
759 |
res = '' |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
760 |
|
38314
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
761 |
if size == -1 and res == '': |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
762 |
# Suppress pointless read(-1) calls that return |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
763 |
# nothing. These happen _a lot_ on Python 3, and there |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
764 |
# doesn't seem to be a better workaround to have matching |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
765 |
# Python 2 and 3 behavior. :( |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
766 |
return |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
767 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
768 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
769 |
self.fh.write('%s> read(%d) -> %d' % (self.name, size, len(res))) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
770 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
771 |
self._writedata(res) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
772 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
773 |
def readline(self, res, limit=-1): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
774 |
if not self.reads: |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
775 |
return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
776 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
777 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
778 |
self.fh.write('%s> readline() -> %d' % (self.name, len(res))) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
779 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
780 |
self._writedata(res) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
781 |
|
36630
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
782 |
def readinto(self, res, dest): |
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
783 |
if not self.reads: |
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
784 |
return |
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
785 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
786 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
787 |
self.fh.write('%s> readinto(%d) -> %r' % (self.name, len(dest), |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
788 |
res)) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
789 |
|
36630
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
790 |
data = dest[0:res] if res is not None else b'' |
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
791 |
self._writedata(data) |
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
792 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
793 |
def write(self, res, data): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
794 |
if not self.writes: |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
795 |
return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
796 |
|
36631
8395fddde46c
util: report integer result from write()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36630
diff
changeset
|
797 |
# Python 2 returns None from some write() calls. Python 3 (reasonably) |
8395fddde46c
util: report integer result from write()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36630
diff
changeset
|
798 |
# returns the integer bytes written. |
8395fddde46c
util: report integer result from write()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36630
diff
changeset
|
799 |
if res is None and data: |
8395fddde46c
util: report integer result from write()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36630
diff
changeset
|
800 |
res = len(data) |
8395fddde46c
util: report integer result from write()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36630
diff
changeset
|
801 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
802 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
803 |
self.fh.write('%s> write(%d) -> %r' % (self.name, len(data), res)) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
804 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
805 |
self._writedata(data) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
806 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
807 |
def flush(self, res): |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
808 |
if not self.writes: |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
809 |
return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
810 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
811 |
self.fh.write('%s> flush() -> %r\n' % (self.name, res)) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
812 |
|
36525
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
813 |
# For observedbufferedinputpipe. |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
814 |
def bufferedread(self, res, size): |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
815 |
if not self.reads: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
816 |
return |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
817 |
|
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
818 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
819 |
self.fh.write('%s> bufferedread(%d) -> %d' % ( |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
820 |
self.name, size, len(res))) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
821 |
|
36525
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
822 |
self._writedata(res) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
823 |
|
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
824 |
def bufferedreadline(self, res): |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
825 |
if not self.reads: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
826 |
return |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
827 |
|
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
828 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
829 |
self.fh.write('%s> bufferedreadline() -> %d' % ( |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
830 |
self.name, len(res))) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
831 |
|
36525
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
832 |
self._writedata(res) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
833 |
|
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
834 |
def makeloggingfileobject(logh, fh, name, reads=True, writes=True, |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
835 |
logdata=False, logdataapis=True): |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
836 |
"""Turn a file object into a logging file object.""" |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
837 |
|
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
838 |
observer = fileobjectobserver(logh, name, reads=reads, writes=writes, |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
839 |
logdata=logdata, logdataapis=logdataapis) |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
840 |
return fileobjectproxy(fh, observer) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
841 |
|
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
842 |
class socketobserver(baseproxyobserver): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
843 |
"""Logs socket activity.""" |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
844 |
def __init__(self, fh, name, reads=True, writes=True, states=True, |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
845 |
logdata=False, logdataapis=True): |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
846 |
self.fh = fh |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
847 |
self.name = name |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
848 |
self.reads = reads |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
849 |
self.writes = writes |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
850 |
self.states = states |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
851 |
self.logdata = logdata |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
852 |
self.logdataapis = logdataapis |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
853 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
854 |
def makefile(self, res, mode=None, bufsize=None): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
855 |
if not self.states: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
856 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
857 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
858 |
self.fh.write('%s> makefile(%r, %r)\n' % ( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
859 |
self.name, mode, bufsize)) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
860 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
861 |
def recv(self, res, size, flags=0): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
862 |
if not self.reads: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
863 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
864 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
865 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
866 |
self.fh.write('%s> recv(%d, %d) -> %d' % ( |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
867 |
self.name, size, flags, len(res))) |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
868 |
self._writedata(res) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
869 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
870 |
def recvfrom(self, res, size, flags=0): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
871 |
if not self.reads: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
872 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
873 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
874 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
875 |
self.fh.write('%s> recvfrom(%d, %d) -> %d' % ( |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
876 |
self.name, size, flags, len(res[0]))) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
877 |
|
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
878 |
self._writedata(res[0]) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
879 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
880 |
def recvfrom_into(self, res, buf, size, flags=0): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
881 |
if not self.reads: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
882 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
883 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
884 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
885 |
self.fh.write('%s> recvfrom_into(%d, %d) -> %d' % ( |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
886 |
self.name, size, flags, res[0])) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
887 |
|
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
888 |
self._writedata(buf[0:res[0]]) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
889 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
890 |
def recv_into(self, res, buf, size=0, flags=0): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
891 |
if not self.reads: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
892 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
893 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
894 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
895 |
self.fh.write('%s> recv_into(%d, %d) -> %d' % ( |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
896 |
self.name, size, flags, res)) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
897 |
|
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
898 |
self._writedata(buf[0:res]) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
899 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
900 |
def send(self, res, data, flags=0): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
901 |
if not self.writes: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
902 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
903 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
904 |
self.fh.write('%s> send(%d, %d) -> %d' % ( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
905 |
self.name, len(data), flags, len(res))) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
906 |
self._writedata(data) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
907 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
908 |
def sendall(self, res, data, flags=0): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
909 |
if not self.writes: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
910 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
911 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
912 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
913 |
# Returns None on success. So don't bother reporting return value. |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
914 |
self.fh.write('%s> sendall(%d, %d)' % ( |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
915 |
self.name, len(data), flags)) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
916 |
|
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
917 |
self._writedata(data) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
918 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
919 |
def sendto(self, res, data, flagsoraddress, address=None): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
920 |
if not self.writes: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
921 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
922 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
923 |
if address: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
924 |
flags = flagsoraddress |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
925 |
else: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
926 |
flags = 0 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
927 |
|
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
928 |
if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
929 |
self.fh.write('%s> sendto(%d, %d, %r) -> %d' % ( |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
930 |
self.name, len(data), flags, address, res)) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
931 |
|
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
932 |
self._writedata(data) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
933 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
934 |
def setblocking(self, res, flag): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
935 |
if not self.states: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
936 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
937 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
938 |
self.fh.write('%s> setblocking(%r)\n' % (self.name, flag)) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
939 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
940 |
def settimeout(self, res, value): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
941 |
if not self.states: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
942 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
943 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
944 |
self.fh.write('%s> settimeout(%r)\n' % (self.name, value)) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
945 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
946 |
def gettimeout(self, res): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
947 |
if not self.states: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
948 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
949 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
950 |
self.fh.write('%s> gettimeout() -> %f\n' % (self.name, res)) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
951 |
|
39060
ed8160e4fea0
util: fix signature of setsockopt in socket observer
Augie Fackler <augie@google.com>
parents:
38812
diff
changeset
|
952 |
def setsockopt(self, res, level, optname, value): |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
953 |
if not self.states: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
954 |
return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
955 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
956 |
self.fh.write('%s> setsockopt(%r, %r, %r) -> %r\n' % ( |
39060
ed8160e4fea0
util: fix signature of setsockopt in socket observer
Augie Fackler <augie@google.com>
parents:
38812
diff
changeset
|
957 |
self.name, level, optname, value, res)) |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
958 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
959 |
def makeloggingsocket(logh, fh, name, reads=True, writes=True, states=True, |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
960 |
logdata=False, logdataapis=True): |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
961 |
"""Turn a socket into a logging socket.""" |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
962 |
|
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
963 |
observer = socketobserver(logh, name, reads=reads, writes=writes, |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
964 |
states=states, logdata=logdata, |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
965 |
logdataapis=logdataapis) |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
966 |
return socketproxy(fh, observer) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
967 |
|
7632 | 968 |
def version(): |
969 |
"""Return version information if available.""" |
|
970 |
try: |
|
27358
ac839ee45b6a
util: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27357
diff
changeset
|
971 |
from . import __version__ |
7632 | 972 |
return __version__.version |
973 |
except ImportError: |
|
974 |
return 'unknown' |
|
975 |
||
27112
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
976 |
def versiontuple(v=None, n=4): |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
977 |
"""Parses a Mercurial version string into an N-tuple. |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
978 |
|
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
979 |
The version string to be parsed is specified with the ``v`` argument. |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
980 |
If it isn't defined, the current Mercurial version string will be parsed. |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
981 |
|
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
982 |
``n`` can be 2, 3, or 4. Here is how some version strings map to |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
983 |
returned values: |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
984 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
985 |
>>> v = b'3.6.1+190-df9b73d2d444' |
27112
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
986 |
>>> versiontuple(v, 2) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
987 |
(3, 6) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
988 |
>>> versiontuple(v, 3) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
989 |
(3, 6, 1) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
990 |
>>> versiontuple(v, 4) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
991 |
(3, 6, 1, '190-df9b73d2d444') |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
992 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
993 |
>>> versiontuple(b'3.6.1+190-df9b73d2d444+20151118') |
27112
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
994 |
(3, 6, 1, '190-df9b73d2d444+20151118') |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
995 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
996 |
>>> v = b'3.6' |
27112
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
997 |
>>> versiontuple(v, 2) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
998 |
(3, 6) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
999 |
>>> versiontuple(v, 3) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1000 |
(3, 6, None) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1001 |
>>> versiontuple(v, 4) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1002 |
(3, 6, None, None) |
29613
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1003 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1004 |
>>> v = b'3.9-rc' |
29613
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1005 |
>>> versiontuple(v, 2) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1006 |
(3, 9) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1007 |
>>> versiontuple(v, 3) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1008 |
(3, 9, None) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1009 |
>>> versiontuple(v, 4) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1010 |
(3, 9, None, 'rc') |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1011 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1012 |
>>> v = b'3.9-rc+2-02a8fea4289b' |
29613
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1013 |
>>> versiontuple(v, 2) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1014 |
(3, 9) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1015 |
>>> versiontuple(v, 3) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1016 |
(3, 9, None) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1017 |
>>> versiontuple(v, 4) |
616cbcb59e05
util: better handle '-' in version string (issue5302)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29592
diff
changeset
|
1018 |
(3, 9, None, 'rc+2-02a8fea4289b') |
37801
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1019 |
|
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1020 |
>>> versiontuple(b'4.6rc0') |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1021 |
(4, 6, None, 'rc0') |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1022 |
>>> versiontuple(b'4.6rc0+12-425d55e54f98') |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1023 |
(4, 6, None, 'rc0+12-425d55e54f98') |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1024 |
>>> versiontuple(b'.1.2.3') |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1025 |
(None, None, None, '.1.2.3') |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1026 |
>>> versiontuple(b'12.34..5') |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1027 |
(12, 34, None, '..5') |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1028 |
>>> versiontuple(b'1.2.3.4.5.6') |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1029 |
(1, 2, 3, '.4.5.6') |
27112
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1030 |
""" |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1031 |
if not v: |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1032 |
v = version() |
37801
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1033 |
m = remod.match(br'(\d+(?:\.\d+){,2})[\+-]?(.*)', v) |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1034 |
if not m: |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1035 |
vparts, extra = '', v |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1036 |
elif m.group(2): |
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1037 |
vparts, extra = m.groups() |
27112
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1038 |
else: |
37801
5cab6f5016fa
version: make parser more robust for rc variants and ill-formed strings
Yuya Nishihara <yuya@tcha.org>
parents:
37675
diff
changeset
|
1039 |
vparts, extra = m.group(1), None |
27112
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1040 |
|
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1041 |
vints = [] |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1042 |
for i in vparts.split('.'): |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1043 |
try: |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1044 |
vints.append(int(i)) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1045 |
except ValueError: |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1046 |
break |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1047 |
# (3, 6) -> (3, 6, None) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1048 |
while len(vints) < 3: |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1049 |
vints.append(None) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1050 |
|
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1051 |
if n == 2: |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1052 |
return (vints[0], vints[1]) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1053 |
if n == 3: |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1054 |
return (vints[0], vints[1], vints[2]) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1055 |
if n == 4: |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1056 |
return (vints[0], vints[1], vints[2], extra) |
39c14e89b881
util: add versiontuple() for returning parsed version information
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27066
diff
changeset
|
1057 |
|
3145
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1058 |
def cachefunc(func): |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1059 |
'''cache the result of function calls''' |
3147
97420a49188d
add comments in cachefunc
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3145
diff
changeset
|
1060 |
# XXX doesn't handle keywords args |
28832
f5ff10f6fa6b
util: use __code__ (available since py2.6)
timeless <timeless@mozdev.org>
parents:
28826
diff
changeset
|
1061 |
if func.__code__.co_argcount == 0: |
20835
0e8417131a29
util: add the code path to "cachefunc()" for the function taking no arguments
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
20679
diff
changeset
|
1062 |
cache = [] |
0e8417131a29
util: add the code path to "cachefunc()" for the function taking no arguments
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
20679
diff
changeset
|
1063 |
def f(): |
0e8417131a29
util: add the code path to "cachefunc()" for the function taking no arguments
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
20679
diff
changeset
|
1064 |
if len(cache) == 0: |
0e8417131a29
util: add the code path to "cachefunc()" for the function taking no arguments
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
20679
diff
changeset
|
1065 |
cache.append(func()) |
0e8417131a29
util: add the code path to "cachefunc()" for the function taking no arguments
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
20679
diff
changeset
|
1066 |
return cache[0] |
0e8417131a29
util: add the code path to "cachefunc()" for the function taking no arguments
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
20679
diff
changeset
|
1067 |
return f |
3145
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1068 |
cache = {} |
28832
f5ff10f6fa6b
util: use __code__ (available since py2.6)
timeless <timeless@mozdev.org>
parents:
28826
diff
changeset
|
1069 |
if func.__code__.co_argcount == 1: |
3147
97420a49188d
add comments in cachefunc
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3145
diff
changeset
|
1070 |
# we gain a small amount of time because |
97420a49188d
add comments in cachefunc
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3145
diff
changeset
|
1071 |
# we don't need to pack/unpack the list |
3145
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1072 |
def f(arg): |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1073 |
if arg not in cache: |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1074 |
cache[arg] = func(arg) |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1075 |
return cache[arg] |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1076 |
else: |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1077 |
def f(*args): |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1078 |
if args not in cache: |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1079 |
cache[args] = func(*args) |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1080 |
return cache[args] |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1081 |
|
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1082 |
return f |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1083 |
|
34357
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1084 |
class cow(object): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1085 |
"""helper class to make copy-on-write easier |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1086 |
|
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1087 |
Call preparewrite before doing any writes. |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1088 |
""" |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1089 |
|
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1090 |
def preparewrite(self): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1091 |
"""call this before writes, return self or a copied new object""" |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1092 |
if getattr(self, '_copied', 0): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1093 |
self._copied -= 1 |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1094 |
return self.__class__(self) |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1095 |
return self |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1096 |
|
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1097 |
def copy(self): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1098 |
"""always do a cheap copy""" |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1099 |
self._copied = getattr(self, '_copied', 0) + 1 |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1100 |
return self |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1101 |
|
32300
bd0fd3ff9916
util: rewrite sortdict using Python 2.7's OrderedDict
Martin von Zweigbergk <martinvonz@google.com>
parents:
32291
diff
changeset
|
1102 |
class sortdict(collections.OrderedDict): |
32306
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1103 |
'''a simple sorted dictionary |
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1104 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1105 |
>>> d1 = sortdict([(b'a', 0), (b'b', 1)]) |
32306
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1106 |
>>> d2 = d1.copy() |
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1107 |
>>> d2 |
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1108 |
sortdict([('a', 0), ('b', 1)]) |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1109 |
>>> d2.update([(b'a', 2)]) |
34139
be00af4a1ac5
doctest: coerce dict.keys() to list
Yuya Nishihara <yuya@tcha.org>
parents:
34137
diff
changeset
|
1110 |
>>> list(d2.keys()) # should still be in last-set order |
32306
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1111 |
['b', 'a'] |
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1112 |
''' |
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1113 |
|
32300
bd0fd3ff9916
util: rewrite sortdict using Python 2.7's OrderedDict
Martin von Zweigbergk <martinvonz@google.com>
parents:
32291
diff
changeset
|
1114 |
def __setitem__(self, key, value): |
21813
c2262004c2e2
config: move config.sortdict class into util
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21046
diff
changeset
|
1115 |
if key in self: |
32300
bd0fd3ff9916
util: rewrite sortdict using Python 2.7's OrderedDict
Martin von Zweigbergk <martinvonz@google.com>
parents:
32291
diff
changeset
|
1116 |
del self[key] |
bd0fd3ff9916
util: rewrite sortdict using Python 2.7's OrderedDict
Martin von Zweigbergk <martinvonz@google.com>
parents:
32291
diff
changeset
|
1117 |
super(sortdict, self).__setitem__(key, value) |
21813
c2262004c2e2
config: move config.sortdict class into util
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21046
diff
changeset
|
1118 |
|
33626
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1119 |
if pycompat.ispypy: |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1120 |
# __setitem__() isn't called as of PyPy 5.8.0 |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1121 |
def update(self, src): |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1122 |
if isinstance(src, dict): |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1123 |
src = src.iteritems() |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1124 |
for k, v in src: |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1125 |
self[k] = v |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1126 |
|
34357
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1127 |
class cowdict(cow, dict): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1128 |
"""copy-on-write dict |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1129 |
|
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1130 |
Be sure to call d = d.preparewrite() before writing to d. |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1131 |
|
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1132 |
>>> a = cowdict() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1133 |
>>> a is a.preparewrite() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1134 |
True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1135 |
>>> b = a.copy() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1136 |
>>> b is a |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1137 |
True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1138 |
>>> c = b.copy() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1139 |
>>> c is a |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1140 |
True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1141 |
>>> a = a.preparewrite() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1142 |
>>> b is a |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1143 |
False |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1144 |
>>> a is a.preparewrite() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1145 |
True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1146 |
>>> c = c.preparewrite() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1147 |
>>> b is c |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1148 |
False |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1149 |
>>> b is b.preparewrite() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1150 |
True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1151 |
""" |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1152 |
|
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1153 |
class cowsortdict(cow, sortdict): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1154 |
"""copy-on-write sortdict |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1155 |
|
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1156 |
Be sure to call d = d.preparewrite() before writing to d. |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1157 |
""" |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1158 |
|
33793
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1159 |
class transactional(object): |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1160 |
"""Base class for making a transactional type into a context manager.""" |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1161 |
__metaclass__ = abc.ABCMeta |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1162 |
|
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1163 |
@abc.abstractmethod |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1164 |
def close(self): |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1165 |
"""Successfully closes the transaction.""" |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1166 |
|
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1167 |
@abc.abstractmethod |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1168 |
def release(self): |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1169 |
"""Marks the end of the transaction. |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1170 |
|
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1171 |
If the transaction has not been closed, it will be aborted. |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1172 |
""" |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1173 |
|
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1174 |
def __enter__(self): |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1175 |
return self |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1176 |
|
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1177 |
def __exit__(self, exc_type, exc_val, exc_tb): |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1178 |
try: |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1179 |
if exc_type is None: |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1180 |
self.close() |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1181 |
finally: |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1182 |
self.release() |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1183 |
|
33446
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1184 |
@contextlib.contextmanager |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1185 |
def acceptintervention(tr=None): |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1186 |
"""A context manager that closes the transaction on InterventionRequired |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1187 |
|
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1188 |
If no transaction was provided, this simply runs the body and returns |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1189 |
""" |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1190 |
if not tr: |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1191 |
yield |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1192 |
return |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1193 |
try: |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1194 |
yield |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1195 |
tr.close() |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1196 |
except error.InterventionRequired: |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1197 |
tr.close() |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1198 |
raise |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1199 |
finally: |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1200 |
tr.release() |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1201 |
|
33619
609606d21765
rebase: use one dirstateguard for when using rebase.singletransaction
Durham Goode <durham@fb.com>
parents:
33549
diff
changeset
|
1202 |
@contextlib.contextmanager |
609606d21765
rebase: use one dirstateguard for when using rebase.singletransaction
Durham Goode <durham@fb.com>
parents:
33549
diff
changeset
|
1203 |
def nullcontextmanager(): |
609606d21765
rebase: use one dirstateguard for when using rebase.singletransaction
Durham Goode <durham@fb.com>
parents:
33549
diff
changeset
|
1204 |
yield |
609606d21765
rebase: use one dirstateguard for when using rebase.singletransaction
Durham Goode <durham@fb.com>
parents:
33549
diff
changeset
|
1205 |
|
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1206 |
class _lrucachenode(object): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1207 |
"""A node in a doubly linked list. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1208 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1209 |
Holds a reference to nodes on either side as well as a key-value |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1210 |
pair for the dictionary entry. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1211 |
""" |
30038
42ead5b3aa7b
py3: use unicodes in __slots__
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30036
diff
changeset
|
1212 |
__slots__ = (u'next', u'prev', u'key', u'value') |
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1213 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1214 |
def __init__(self): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1215 |
self.next = None |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1216 |
self.prev = None |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1217 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1218 |
self.key = _notset |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1219 |
self.value = None |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1220 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1221 |
def markempty(self): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1222 |
"""Mark the node as emptied.""" |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1223 |
self.key = _notset |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1224 |
|
18603
2251b3184e6e
util: add an LRU cache dict
Siddharth Agarwal <sid0@fb.com>
parents:
18537
diff
changeset
|
1225 |
class lrucachedict(object): |
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1226 |
"""Dict that caches most recent accesses and sets. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1227 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1228 |
The dict consists of an actual backing dict - indexed by original |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1229 |
key - and a doubly linked circular list defining the order of entries in |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1230 |
the cache. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1231 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1232 |
The head node is the newest entry in the cache. If the cache is full, |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1233 |
we recycle head.prev and make it the new head. Cache accesses result in |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1234 |
the node being moved to before the existing head and being marked as the |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1235 |
new head node. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1236 |
""" |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1237 |
def __init__(self, max): |
18603
2251b3184e6e
util: add an LRU cache dict
Siddharth Agarwal <sid0@fb.com>
parents:
18537
diff
changeset
|
1238 |
self._cache = {} |
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1239 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1240 |
self._head = head = _lrucachenode() |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1241 |
head.prev = head |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1242 |
head.next = head |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1243 |
self._size = 1 |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1244 |
self._capacity = max |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1245 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1246 |
def __len__(self): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1247 |
return len(self._cache) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1248 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1249 |
def __contains__(self, k): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1250 |
return k in self._cache |
18603
2251b3184e6e
util: add an LRU cache dict
Siddharth Agarwal <sid0@fb.com>
parents:
18537
diff
changeset
|
1251 |
|
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1252 |
def __iter__(self): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1253 |
# We don't have to iterate in cache order, but why not. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1254 |
n = self._head |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1255 |
for i in range(len(self._cache)): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1256 |
yield n.key |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1257 |
n = n.next |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1258 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1259 |
def __getitem__(self, k): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1260 |
node = self._cache[k] |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1261 |
self._movetohead(node) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1262 |
return node.value |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1263 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1264 |
def __setitem__(self, k, v): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1265 |
node = self._cache.get(k) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1266 |
# Replace existing value and mark as newest. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1267 |
if node is not None: |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1268 |
node.value = v |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1269 |
self._movetohead(node) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1270 |
return |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1271 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1272 |
if self._size < self._capacity: |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1273 |
node = self._addcapacity() |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1274 |
else: |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1275 |
# Grab the last/oldest item. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1276 |
node = self._head.prev |
18603
2251b3184e6e
util: add an LRU cache dict
Siddharth Agarwal <sid0@fb.com>
parents:
18537
diff
changeset
|
1277 |
|
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1278 |
# At capacity. Kill the old entry. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1279 |
if node.key is not _notset: |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1280 |
del self._cache[node.key] |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1281 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1282 |
node.key = k |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1283 |
node.value = v |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1284 |
self._cache[k] = node |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1285 |
# And mark it as newest entry. No need to adjust order since it |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1286 |
# is already self._head.prev. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1287 |
self._head = node |
18603
2251b3184e6e
util: add an LRU cache dict
Siddharth Agarwal <sid0@fb.com>
parents:
18537
diff
changeset
|
1288 |
|
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1289 |
def __delitem__(self, k): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1290 |
node = self._cache.pop(k) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1291 |
node.markempty() |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1292 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1293 |
# Temporarily mark as newest item before re-adjusting head to make |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1294 |
# this node the oldest item. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1295 |
self._movetohead(node) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1296 |
self._head = node.next |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1297 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1298 |
# Additional dict methods. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1299 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1300 |
def get(self, k, default=None): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1301 |
try: |
29828
79add5a4e857
util: properly implement lrucachedict.get()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29776
diff
changeset
|
1302 |
return self._cache[k].value |
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1303 |
except KeyError: |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1304 |
return default |
18603
2251b3184e6e
util: add an LRU cache dict
Siddharth Agarwal <sid0@fb.com>
parents:
18537
diff
changeset
|
1305 |
|
19710
887ffa22fd0d
lrucachedict: implement clear()
Siddharth Agarwal <sid0@fb.com>
parents:
19461
diff
changeset
|
1306 |
def clear(self): |
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1307 |
n = self._head |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1308 |
while n.key is not _notset: |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1309 |
n.markempty() |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1310 |
n = n.next |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1311 |
|
19710
887ffa22fd0d
lrucachedict: implement clear()
Siddharth Agarwal <sid0@fb.com>
parents:
19461
diff
changeset
|
1312 |
self._cache.clear() |
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1313 |
|
27576
6cd3044985c2
lrucachedict: add copy method
Eric Sumner <ericsumner@fb.com>
parents:
27391
diff
changeset
|
1314 |
def copy(self): |
6cd3044985c2
lrucachedict: add copy method
Eric Sumner <ericsumner@fb.com>
parents:
27391
diff
changeset
|
1315 |
result = lrucachedict(self._capacity) |
6cd3044985c2
lrucachedict: add copy method
Eric Sumner <ericsumner@fb.com>
parents:
27391
diff
changeset
|
1316 |
n = self._head.prev |
6cd3044985c2
lrucachedict: add copy method
Eric Sumner <ericsumner@fb.com>
parents:
27391
diff
changeset
|
1317 |
# Iterate in oldest-to-newest order, so the copy has the right ordering |
6cd3044985c2
lrucachedict: add copy method
Eric Sumner <ericsumner@fb.com>
parents:
27391
diff
changeset
|
1318 |
for i in range(len(self._cache)): |
6cd3044985c2
lrucachedict: add copy method
Eric Sumner <ericsumner@fb.com>
parents:
27391
diff
changeset
|
1319 |
result[n.key] = n.value |
6cd3044985c2
lrucachedict: add copy method
Eric Sumner <ericsumner@fb.com>
parents:
27391
diff
changeset
|
1320 |
n = n.prev |
6cd3044985c2
lrucachedict: add copy method
Eric Sumner <ericsumner@fb.com>
parents:
27391
diff
changeset
|
1321 |
return result |
6cd3044985c2
lrucachedict: add copy method
Eric Sumner <ericsumner@fb.com>
parents:
27391
diff
changeset
|
1322 |
|
27371
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1323 |
def _movetohead(self, node): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1324 |
"""Mark a node as the newest, making it the new head. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1325 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1326 |
When a node is accessed, it becomes the freshest entry in the LRU |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1327 |
list, which is denoted by self._head. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1328 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1329 |
Visually, let's make ``N`` the new head node (* denotes head): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1330 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1331 |
previous/oldest <-> head <-> next/next newest |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1332 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1333 |
----<->--- A* ---<->----- |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1334 |
| | |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1335 |
E <-> D <-> N <-> C <-> B |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1336 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1337 |
To: |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1338 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1339 |
----<->--- N* ---<->----- |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1340 |
| | |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1341 |
E <-> D <-> C <-> B <-> A |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1342 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1343 |
This requires the following moves: |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1344 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1345 |
C.next = D (node.prev.next = node.next) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1346 |
D.prev = C (node.next.prev = node.prev) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1347 |
E.next = N (head.prev.next = node) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1348 |
N.prev = E (node.prev = head.prev) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1349 |
N.next = A (node.next = head) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1350 |
A.prev = N (head.prev = node) |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1351 |
""" |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1352 |
head = self._head |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1353 |
# C.next = D |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1354 |
node.prev.next = node.next |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1355 |
# D.prev = C |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1356 |
node.next.prev = node.prev |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1357 |
# N.prev = E |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1358 |
node.prev = head.prev |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1359 |
# N.next = A |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1360 |
# It is tempting to do just "head" here, however if node is |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1361 |
# adjacent to head, this will do bad things. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1362 |
node.next = head.prev.next |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1363 |
# E.next = N |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1364 |
node.next.prev = node |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1365 |
# A.prev = N |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1366 |
node.prev.next = node |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1367 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1368 |
self._head = node |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1369 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1370 |
def _addcapacity(self): |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1371 |
"""Add a node to the circular linked list. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1372 |
|
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1373 |
The new node is inserted before the head node. |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1374 |
""" |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1375 |
head = self._head |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1376 |
node = _lrucachenode() |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1377 |
head.prev.next = node |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1378 |
node.prev = head.prev |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1379 |
node.next = head |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1380 |
head.prev = node |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1381 |
self._size += 1 |
45d996a566d7
util: reimplement lrucachedict
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27363
diff
changeset
|
1382 |
return node |
19710
887ffa22fd0d
lrucachedict: implement clear()
Siddharth Agarwal <sid0@fb.com>
parents:
19461
diff
changeset
|
1383 |
|
9097
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1384 |
def lrucachefunc(func): |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1385 |
'''cache most recent results of function calls''' |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1386 |
cache = {} |
25113
0ca8410ea345
util: drop alias for collections.deque
Martin von Zweigbergk <martinvonz@google.com>
parents:
25112
diff
changeset
|
1387 |
order = collections.deque() |
28832
f5ff10f6fa6b
util: use __code__ (available since py2.6)
timeless <timeless@mozdev.org>
parents:
28826
diff
changeset
|
1388 |
if func.__code__.co_argcount == 1: |
9097
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1389 |
def f(arg): |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1390 |
if arg not in cache: |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1391 |
if len(cache) > 20: |
16803
107a3270a24a
cleanup: use the deque type where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents:
16769
diff
changeset
|
1392 |
del cache[order.popleft()] |
9097
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1393 |
cache[arg] = func(arg) |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1394 |
else: |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1395 |
order.remove(arg) |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1396 |
order.append(arg) |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1397 |
return cache[arg] |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1398 |
else: |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1399 |
def f(*args): |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1400 |
if args not in cache: |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1401 |
if len(cache) > 20: |
16803
107a3270a24a
cleanup: use the deque type where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents:
16769
diff
changeset
|
1402 |
del cache[order.popleft()] |
9097
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1403 |
cache[args] = func(*args) |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1404 |
else: |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1405 |
order.remove(args) |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1406 |
order.append(args) |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1407 |
return cache[args] |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1408 |
|
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1409 |
return f |
431462bd8478
fix memory usage of revlog caches by limiting cache size [issue1639]
Matt Mackall <mpm@selenic.com>
parents:
9089
diff
changeset
|
1410 |
|
8207
dd8d5be57d65
util: take propertycache from context.py
Matt Mackall <mpm@selenic.com>
parents:
8181
diff
changeset
|
1411 |
class propertycache(object): |
dd8d5be57d65
util: take propertycache from context.py
Matt Mackall <mpm@selenic.com>
parents:
8181
diff
changeset
|
1412 |
def __init__(self, func): |
dd8d5be57d65
util: take propertycache from context.py
Matt Mackall <mpm@selenic.com>
parents:
8181
diff
changeset
|
1413 |
self.func = func |
dd8d5be57d65
util: take propertycache from context.py
Matt Mackall <mpm@selenic.com>
parents:
8181
diff
changeset
|
1414 |
self.name = func.__name__ |
dd8d5be57d65
util: take propertycache from context.py
Matt Mackall <mpm@selenic.com>
parents:
8181
diff
changeset
|
1415 |
def __get__(self, obj, type=None): |
dd8d5be57d65
util: take propertycache from context.py
Matt Mackall <mpm@selenic.com>
parents:
8181
diff
changeset
|
1416 |
result = self.func(obj) |
18013
98c867ac1330
clfilter: add a propertycache that must be unfiltered
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17962
diff
changeset
|
1417 |
self.cachevalue(obj, result) |
8207
dd8d5be57d65
util: take propertycache from context.py
Matt Mackall <mpm@selenic.com>
parents:
8181
diff
changeset
|
1418 |
return result |
dd8d5be57d65
util: take propertycache from context.py
Matt Mackall <mpm@selenic.com>
parents:
8181
diff
changeset
|
1419 |
|
18013
98c867ac1330
clfilter: add a propertycache that must be unfiltered
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17962
diff
changeset
|
1420 |
def cachevalue(self, obj, value): |
19951
d51c4d85ec23
spelling: random spell checker fixes
Mads Kiilerich <madski@unity3d.com>
parents:
19852
diff
changeset
|
1421 |
# __dict__ assignment required to bypass __setattr__ (eg: repoview) |
19845
a1237a4b437d
repoview: make propertycache.setcache compatible with repoview
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
19461
diff
changeset
|
1422 |
obj.__dict__[self.name] = value |
18013
98c867ac1330
clfilter: add a propertycache that must be unfiltered
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17962
diff
changeset
|
1423 |
|
35014
be6aa0cff8ea
util: add util.clearcachedproperty
Mark Thomas <mbthomas@fb.com>
parents:
34647
diff
changeset
|
1424 |
def clearcachedproperty(obj, prop): |
be6aa0cff8ea
util: add util.clearcachedproperty
Mark Thomas <mbthomas@fb.com>
parents:
34647
diff
changeset
|
1425 |
'''clear a cached property value, if one has been set''' |
be6aa0cff8ea
util: add util.clearcachedproperty
Mark Thomas <mbthomas@fb.com>
parents:
34647
diff
changeset
|
1426 |
if prop in obj.__dict__: |
be6aa0cff8ea
util: add util.clearcachedproperty
Mark Thomas <mbthomas@fb.com>
parents:
34647
diff
changeset
|
1427 |
del obj.__dict__[prop] |
be6aa0cff8ea
util: add util.clearcachedproperty
Mark Thomas <mbthomas@fb.com>
parents:
34647
diff
changeset
|
1428 |
|
7396
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1429 |
def increasingchunks(source, min=1024, max=65536): |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1430 |
'''return no less than min bytes per chunk while data remains, |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1431 |
doubling min after each chunk until it reaches max''' |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1432 |
def log2(x): |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1433 |
if not x: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1434 |
return 0 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1435 |
i = 0 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1436 |
while x: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1437 |
x >>= 1 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1438 |
i += 1 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1439 |
return i - 1 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1440 |
|
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1441 |
buf = [] |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1442 |
blen = 0 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1443 |
for chunk in source: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1444 |
buf.append(chunk) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1445 |
blen += len(chunk) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1446 |
if blen >= min: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1447 |
if min < max: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1448 |
min = min << 1 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1449 |
nmin = 1 << log2(blen) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1450 |
if nmin > min: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1451 |
min = nmin |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1452 |
if min > max: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1453 |
min = max |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1454 |
yield ''.join(buf) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1455 |
blen = 0 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1456 |
buf = [] |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1457 |
if buf: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1458 |
yield ''.join(buf) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1459 |
|
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1460 |
def always(fn): |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1461 |
return True |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1462 |
|
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1463 |
def never(fn): |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1464 |
return False |
724
1c0c413cccdd
Get add and locate to use new repo and dirstate walk code.
Bryan O'Sullivan <bos@serpentine.com>
parents:
705
diff
changeset
|
1465 |
|
23495
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1466 |
def nogc(func): |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1467 |
"""disable garbage collector |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1468 |
|
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1469 |
Python's garbage collector triggers a GC each time a certain number of |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1470 |
container objects (the number being defined by gc.get_threshold()) are |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1471 |
allocated even when marked not to be tracked by the collector. Tracking has |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1472 |
no effect on when GCs are triggered, only on what objects the GC looks |
23543
4dd8a6a1240d
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
23495
diff
changeset
|
1473 |
into. As a workaround, disable GC while building complex (huge) |
23495
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1474 |
containers. |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1475 |
|
33799
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1476 |
This garbage collector issue have been fixed in 2.7. But it still affect |
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1477 |
CPython's performance. |
23495
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1478 |
""" |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1479 |
def wrapper(*args, **kwargs): |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1480 |
gcenabled = gc.isenabled() |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1481 |
gc.disable() |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1482 |
try: |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1483 |
return func(*args, **kwargs) |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1484 |
finally: |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1485 |
if gcenabled: |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1486 |
gc.enable() |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1487 |
return wrapper |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1488 |
|
33799
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1489 |
if pycompat.ispypy: |
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1490 |
# PyPy runs slower with gc disabled |
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1491 |
nogc = lambda x: x |
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1492 |
|
4229
24c22a3f2ef8
pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4129
diff
changeset
|
1493 |
def pathto(root, n1, n2): |
886
509de8ab6f31
Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents:
884
diff
changeset
|
1494 |
'''return the relative path from one place to another. |
4229
24c22a3f2ef8
pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4129
diff
changeset
|
1495 |
root should use os.sep to separate directories |
3669
48768b1ab23c
fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3629
diff
changeset
|
1496 |
n1 should use os.sep to separate directories |
48768b1ab23c
fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3629
diff
changeset
|
1497 |
n2 should use "/" to separate directories |
48768b1ab23c
fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3629
diff
changeset
|
1498 |
returns an os.sep-separated path. |
4229
24c22a3f2ef8
pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4129
diff
changeset
|
1499 |
|
24c22a3f2ef8
pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4129
diff
changeset
|
1500 |
If n1 is a relative path, it's assumed it's |
24c22a3f2ef8
pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4129
diff
changeset
|
1501 |
relative to root. |
24c22a3f2ef8
pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4129
diff
changeset
|
1502 |
n2 should always be relative to root. |
3669
48768b1ab23c
fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3629
diff
changeset
|
1503 |
''' |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1504 |
if not n1: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1505 |
return localpath(n2) |
4230
c93562fb12cc
Fix handling of paths when run outside the repo.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4229
diff
changeset
|
1506 |
if os.path.isabs(n1): |
c93562fb12cc
Fix handling of paths when run outside the repo.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4229
diff
changeset
|
1507 |
if os.path.splitdrive(root)[0] != os.path.splitdrive(n1)[0]: |
c93562fb12cc
Fix handling of paths when run outside the repo.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4229
diff
changeset
|
1508 |
return os.path.join(root, localpath(n2)) |
c93562fb12cc
Fix handling of paths when run outside the repo.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4229
diff
changeset
|
1509 |
n2 = '/'.join((pconvert(root), n2)) |
5844
07d8eb78dd68
Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5843
diff
changeset
|
1510 |
a, b = splitpath(n1), n2.split('/') |
1541
bf4e7ef08741
fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents:
1528
diff
changeset
|
1511 |
a.reverse() |
bf4e7ef08741
fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents:
1528
diff
changeset
|
1512 |
b.reverse() |
884
087771ebe2e6
Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents:
878
diff
changeset
|
1513 |
while a and b and a[-1] == b[-1]: |
1541
bf4e7ef08741
fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents:
1528
diff
changeset
|
1514 |
a.pop() |
bf4e7ef08741
fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents:
1528
diff
changeset
|
1515 |
b.pop() |
884
087771ebe2e6
Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents:
878
diff
changeset
|
1516 |
b.reverse() |
30613
1112ff99d965
py3: replace os.sep with pycompat.ossep (part 1 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30536
diff
changeset
|
1517 |
return pycompat.ossep.join((['..'] * len(a)) + b) or '.' |
884
087771ebe2e6
Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents:
878
diff
changeset
|
1518 |
|
22633
92b54547ac5d
util: introduce datapath for getting the location of supporting data files
Mads Kiilerich <madski@unity3d.com>
parents:
22632
diff
changeset
|
1519 |
# the location of data files matching the source code |
37118
5be286db5fb5
procutil: move process/executable management functions to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37117
diff
changeset
|
1520 |
if procutil.mainfrozen() and getattr(sys, 'frozen', None) != 'macosx_app': |
22633
92b54547ac5d
util: introduce datapath for getting the location of supporting data files
Mads Kiilerich <madski@unity3d.com>
parents:
22632
diff
changeset
|
1521 |
# executable version (py2exe) doesn't support __file__ |
30669
10b17ed9b591
py3: replace sys.executable with pycompat.sysexecutable
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30642
diff
changeset
|
1522 |
datapath = os.path.dirname(pycompat.sysexecutable) |
22633
92b54547ac5d
util: introduce datapath for getting the location of supporting data files
Mads Kiilerich <madski@unity3d.com>
parents:
22632
diff
changeset
|
1523 |
else: |
31074
2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30988
diff
changeset
|
1524 |
datapath = os.path.dirname(pycompat.fsencode(__file__)) |
30301
8321b083a83d
py3: make util.datapath a bytes variable
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30265
diff
changeset
|
1525 |
|
22638
0d0350cfc7ab
i18n: use datapath for i18n like for templates and help
Mads Kiilerich <madski@unity3d.com>
parents:
22633
diff
changeset
|
1526 |
i18n.setdatapath(datapath) |
0d0350cfc7ab
i18n: use datapath for i18n like for templates and help
Mads Kiilerich <madski@unity3d.com>
parents:
22633
diff
changeset
|
1527 |
|
7388
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1528 |
def checksignature(func): |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1529 |
'''wrap a function with code to check for calling errors''' |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1530 |
def check(*args, **kwargs): |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1531 |
try: |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1532 |
return func(*args, **kwargs) |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1533 |
except TypeError: |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1534 |
if len(traceback.extract_tb(sys.exc_info()[2])) == 1: |
7646 | 1535 |
raise error.SignatureError |
7388
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1536 |
raise |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1537 |
|
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1538 |
return check |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1539 |
|
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1540 |
# a whilelist of known filesystems where hardlink works reliably |
32291
bd872f64a8ba
cleanup: use set literals
Martin von Zweigbergk <martinvonz@google.com>
parents:
32290
diff
changeset
|
1541 |
_hardlinkfswhitelist = { |
37382
de9f9f888900
util: whitelist apfs for hardlink support
Augie Fackler <augie@google.com>
parents:
37366
diff
changeset
|
1542 |
'apfs', |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1543 |
'btrfs', |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1544 |
'ext2', |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1545 |
'ext3', |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1546 |
'ext4', |
31598
32f09ead059b
util: enable hardlink for some BSD-family filesystems
Jun Wu <quark@fb.com>
parents:
31594
diff
changeset
|
1547 |
'hfs', |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1548 |
'jfs', |
35511
d8f408d999f9
util: whitelist NTFS for hardlink creation (issue4580)
Matt Harbison <matt_harbison@yahoo.com>
parents:
35509
diff
changeset
|
1549 |
'NTFS', |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1550 |
'reiserfs', |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1551 |
'tmpfs', |
31598
32f09ead059b
util: enable hardlink for some BSD-family filesystems
Jun Wu <quark@fb.com>
parents:
31594
diff
changeset
|
1552 |
'ufs', |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1553 |
'xfs', |
31598
32f09ead059b
util: enable hardlink for some BSD-family filesystems
Jun Wu <quark@fb.com>
parents:
31594
diff
changeset
|
1554 |
'zfs', |
32291
bd872f64a8ba
cleanup: use set literals
Martin von Zweigbergk <martinvonz@google.com>
parents:
32290
diff
changeset
|
1555 |
} |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1556 |
|
29204
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1557 |
def copyfile(src, dest, hardlink=False, copystat=False, checkambig=False): |
27369
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1558 |
'''copy a file, preserving mode and optionally other stat info like |
29367
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1559 |
atime/mtime |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1560 |
|
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1561 |
checkambig argument is used with filestat, and is useful only if |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1562 |
destination file is guarded by any lock (e.g. repo.lock or |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1563 |
repo.wlock). |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1564 |
|
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1565 |
copystat and checkambig should be exclusive. |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1566 |
''' |
29204
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1567 |
assert not (copystat and checkambig) |
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1568 |
oldstat = None |
18326
614f769e6aa7
util: copyfile: remove dest before copying
Mads Kiilerich <mads@kiilerich.com>
parents:
18026
diff
changeset
|
1569 |
if os.path.lexists(dest): |
29204
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1570 |
if checkambig: |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1571 |
oldstat = checkambig and filestat.frompath(dest) |
18326
614f769e6aa7
util: copyfile: remove dest before copying
Mads Kiilerich <mads@kiilerich.com>
parents:
18026
diff
changeset
|
1572 |
unlink(dest) |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1573 |
if hardlink: |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1574 |
# Hardlinks are problematic on CIFS (issue4546), do not allow hardlinks |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1575 |
# unless we are confident that dest is on a whitelisted filesystem. |
31678
1ed57a7dd904
statfs: make getfstype() raise OSError
Yuya Nishihara <yuya@tcha.org>
parents:
31662
diff
changeset
|
1576 |
try: |
1ed57a7dd904
statfs: make getfstype() raise OSError
Yuya Nishihara <yuya@tcha.org>
parents:
31662
diff
changeset
|
1577 |
fstype = getfstype(os.path.dirname(dest)) |
1ed57a7dd904
statfs: make getfstype() raise OSError
Yuya Nishihara <yuya@tcha.org>
parents:
31662
diff
changeset
|
1578 |
except OSError: |
1ed57a7dd904
statfs: make getfstype() raise OSError
Yuya Nishihara <yuya@tcha.org>
parents:
31662
diff
changeset
|
1579 |
fstype = None |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1580 |
if fstype not in _hardlinkfswhitelist: |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1581 |
hardlink = False |
31577 | 1582 |
if hardlink: |
23899
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1583 |
try: |
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1584 |
oslink(src, dest) |
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1585 |
return |
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1586 |
except (IOError, OSError): |
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1587 |
pass # fall back to normal copy |
4271
1eaa8d90c689
fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents:
4256
diff
changeset
|
1588 |
if os.path.islink(src): |
1eaa8d90c689
fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents:
4256
diff
changeset
|
1589 |
os.symlink(os.readlink(src), dest) |
27369
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1590 |
# copytime is ignored for symlinks, but in general copytime isn't needed |
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1591 |
# for them anyway |
4271
1eaa8d90c689
fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents:
4256
diff
changeset
|
1592 |
else: |
1eaa8d90c689
fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents:
4256
diff
changeset
|
1593 |
try: |
1eaa8d90c689
fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents:
4256
diff
changeset
|
1594 |
shutil.copyfile(src, dest) |
27369
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1595 |
if copystat: |
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1596 |
# copystat also copies mode |
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1597 |
shutil.copystat(src, dest) |
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1598 |
else: |
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1599 |
shutil.copymode(src, dest) |
29204
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1600 |
if oldstat and oldstat.stat: |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1601 |
newstat = filestat.frompath(dest) |
29204
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1602 |
if newstat.isambig(oldstat): |
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1603 |
# stat of copied file is ambiguous to original one |
36781
ffa3026d4196
cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents:
36724
diff
changeset
|
1604 |
advanced = ( |
ffa3026d4196
cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents:
36724
diff
changeset
|
1605 |
oldstat.stat[stat.ST_MTIME] + 1) & 0x7fffffff |
29204
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1606 |
os.utime(dest, (advanced, advanced)) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25420
diff
changeset
|
1607 |
except shutil.Error as inst: |
37096
895f209b593b
util: use error.Abort instead of local alias
Yuya Nishihara <yuya@tcha.org>
parents:
37095
diff
changeset
|
1608 |
raise error.Abort(str(inst)) |
3629
4cfb72bcb978
util: add copyfile function
Matt Mackall <mpm@selenic.com>
parents:
3568
diff
changeset
|
1609 |
|
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1610 |
def copyfiles(src, dst, hardlink=None, progress=None): |
24439
2ddfac2f163e
util: add progress callback support to copyfiles
Augie Fackler <augie@google.com>
parents:
24236
diff
changeset
|
1611 |
"""Copy a directory tree using hardlinks if possible.""" |
2ddfac2f163e
util: add progress callback support to copyfiles
Augie Fackler <augie@google.com>
parents:
24236
diff
changeset
|
1612 |
num = 0 |
1241
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1613 |
|
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1614 |
def settopic(): |
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1615 |
if progress: |
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1616 |
progress.topic = _('linking') if hardlink else _('copying') |
698
df78d8ccac4c
Use python function instead of external 'cp' command when cloning repos.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
667
diff
changeset
|
1617 |
|
1207 | 1618 |
if os.path.isdir(src): |
31719
456efd1b51fd
hardlink: duplicate hardlink detection for copying files and directories
Jun Wu <quark@fb.com>
parents:
31718
diff
changeset
|
1619 |
if hardlink is None: |
456efd1b51fd
hardlink: duplicate hardlink detection for copying files and directories
Jun Wu <quark@fb.com>
parents:
31718
diff
changeset
|
1620 |
hardlink = (os.stat(src).st_dev == |
456efd1b51fd
hardlink: duplicate hardlink detection for copying files and directories
Jun Wu <quark@fb.com>
parents:
31718
diff
changeset
|
1621 |
os.stat(os.path.dirname(dst)).st_dev) |
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1622 |
settopic() |
1207 | 1623 |
os.mkdir(dst) |
32208
d74b0cff94a9
osutil: proxy through util (and platform) modules (API)
Yuya Nishihara <yuya@tcha.org>
parents:
32201
diff
changeset
|
1624 |
for name, kind in listdir(src): |
1207 | 1625 |
srcname = os.path.join(src, name) |
1626 |
dstname = os.path.join(dst, name) |
|
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1627 |
hardlink, n = copyfiles(srcname, dstname, hardlink, progress) |
11251
c61442f6d106
clone: print number of linked/copied files on --debug
Adrian Buehlmann <adrian@cadifra.com>
parents:
11232
diff
changeset
|
1628 |
num += n |
1207 | 1629 |
else: |
31719
456efd1b51fd
hardlink: duplicate hardlink detection for copying files and directories
Jun Wu <quark@fb.com>
parents:
31718
diff
changeset
|
1630 |
if hardlink is None: |
31720
dea2a17cbfd0
hardlink: check directory's st_dev when copying files
Jun Wu <quark@fb.com>
parents:
31719
diff
changeset
|
1631 |
hardlink = (os.stat(os.path.dirname(src)).st_dev == |
31719
456efd1b51fd
hardlink: duplicate hardlink detection for copying files and directories
Jun Wu <quark@fb.com>
parents:
31718
diff
changeset
|
1632 |
os.stat(os.path.dirname(dst)).st_dev) |
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1633 |
settopic() |
31719
456efd1b51fd
hardlink: duplicate hardlink detection for copying files and directories
Jun Wu <quark@fb.com>
parents:
31718
diff
changeset
|
1634 |
|
1241
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1635 |
if hardlink: |
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1636 |
try: |
14235
b9e1b041744f
rename util.os_link to oslink
Adrian Buehlmann <adrian@cadifra.com>
parents:
14234
diff
changeset
|
1637 |
oslink(src, dst) |
2050
e49d0fa38176
util.copyfiles: only switch to copy if hardlink raises IOError or OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2026
diff
changeset
|
1638 |
except (IOError, OSError): |
1241
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1639 |
hardlink = False |
1591
5a3229cf1492
do not copy atime and mtime in util.copyfiles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1585
diff
changeset
|
1640 |
shutil.copy(src, dst) |
1241
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1641 |
else: |
1591
5a3229cf1492
do not copy atime and mtime in util.copyfiles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1585
diff
changeset
|
1642 |
shutil.copy(src, dst) |
11251
c61442f6d106
clone: print number of linked/copied files on --debug
Adrian Buehlmann <adrian@cadifra.com>
parents:
11232
diff
changeset
|
1643 |
num += 1 |
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1644 |
if progress: |
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1645 |
progress.increment() |
698
df78d8ccac4c
Use python function instead of external 'cp' command when cloning repos.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
667
diff
changeset
|
1646 |
|
11251
c61442f6d106
clone: print number of linked/copied files on --debug
Adrian Buehlmann <adrian@cadifra.com>
parents:
11232
diff
changeset
|
1647 |
return hardlink, num |
11254
640d419725d0
util.copyfiles: don't try os_link() again if it failed before
Adrian Buehlmann <adrian@cadifra.com>
parents:
11010
diff
changeset
|
1648 |
|
34052
ca6a3852daf0
util: use set for reserved Windows filenames
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34002
diff
changeset
|
1649 |
_winreservednames = { |
ca6a3852daf0
util: use set for reserved Windows filenames
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34002
diff
changeset
|
1650 |
'con', 'prn', 'aux', 'nul', |
ca6a3852daf0
util: use set for reserved Windows filenames
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34002
diff
changeset
|
1651 |
'com1', 'com2', 'com3', 'com4', 'com5', 'com6', 'com7', 'com8', 'com9', |
ca6a3852daf0
util: use set for reserved Windows filenames
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34002
diff
changeset
|
1652 |
'lpt1', 'lpt2', 'lpt3', 'lpt4', 'lpt5', 'lpt6', 'lpt7', 'lpt8', 'lpt9', |
ca6a3852daf0
util: use set for reserved Windows filenames
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34002
diff
changeset
|
1653 |
} |
14262
23cd7eeff678
util: rename _windows_reserved_filenames and _windows_reserved_chars
Adrian Buehlmann <adrian@cadifra.com>
parents:
14250
diff
changeset
|
1654 |
_winreservedchars = ':*?"<>|' |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1655 |
def checkwinfilename(path): |
20000
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1656 |
r'''Check that the base-relative path is a valid filename on Windows. |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1657 |
Returns None if the path is ok, or a UI string describing the problem. |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1658 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1659 |
>>> checkwinfilename(b"just/a/normal/path") |
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1660 |
>>> checkwinfilename(b"foo/bar/con.xml") |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1661 |
"filename contains 'con', which is reserved on Windows" |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1662 |
>>> checkwinfilename(b"foo/con.xml/bar") |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1663 |
"filename contains 'con', which is reserved on Windows" |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1664 |
>>> checkwinfilename(b"foo/bar/xml.con") |
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1665 |
>>> checkwinfilename(b"foo/bar/AUX/bla.txt") |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1666 |
"filename contains 'AUX', which is reserved on Windows" |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1667 |
>>> checkwinfilename(b"foo/bar/bla:.txt") |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1668 |
"filename contains ':', which is reserved on Windows" |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1669 |
>>> checkwinfilename(b"foo/bar/b\07la.txt") |
20000
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1670 |
"filename contains '\\x07', which is invalid on Windows" |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1671 |
>>> checkwinfilename(b"foo/bar/bla ") |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1672 |
"filename ends with ' ', which is not allowed on Windows" |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1673 |
>>> checkwinfilename(b"../bar") |
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1674 |
>>> checkwinfilename(b"foo\\") |
20000
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1675 |
"filename ends with '\\', which is invalid on Windows" |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1676 |
>>> checkwinfilename(b"foo\\/bar") |
20000
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1677 |
"directory name ends with '\\', which is invalid on Windows" |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1678 |
''' |
20000
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1679 |
if path.endswith('\\'): |
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1680 |
return _("filename ends with '\\', which is invalid on Windows") |
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1681 |
if '\\/' in path: |
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1682 |
return _("directory name ends with '\\', which is invalid on Windows") |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1683 |
for n in path.replace('\\', '/').split('/'): |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1684 |
if not n: |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1685 |
continue |
32572
377c74ef008d
win32mbcs: avoid unintentional failure at colorization
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
31952
diff
changeset
|
1686 |
for c in _filenamebytestr(n): |
14262
23cd7eeff678
util: rename _windows_reserved_filenames and _windows_reserved_chars
Adrian Buehlmann <adrian@cadifra.com>
parents:
14250
diff
changeset
|
1687 |
if c in _winreservedchars: |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1688 |
return _("filename contains '%s', which is reserved " |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1689 |
"on Windows") % c |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1690 |
if ord(c) <= 31: |
34360
f435097d13c9
py3: manually escape control character to be embedded in win filename error
Yuya Nishihara <yuya@tcha.org>
parents:
34357
diff
changeset
|
1691 |
return _("filename contains '%s', which is invalid " |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37083
diff
changeset
|
1692 |
"on Windows") % stringutil.escapestr(c) |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1693 |
base = n.split('.')[0] |
14262
23cd7eeff678
util: rename _windows_reserved_filenames and _windows_reserved_chars
Adrian Buehlmann <adrian@cadifra.com>
parents:
14250
diff
changeset
|
1694 |
if base and base.lower() in _winreservednames: |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1695 |
return _("filename contains '%s', which is reserved " |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1696 |
"on Windows") % base |
34361
7508a7dc95c1
py3: replace bytes[n] with slicing in checkwinfilename()
Yuya Nishihara <yuya@tcha.org>
parents:
34360
diff
changeset
|
1697 |
t = n[-1:] |
15358
a347b3614bae
util: don't complain about '..' in path components not working on Windows
Matt Mackall <mpm@selenic.com>
parents:
15159
diff
changeset
|
1698 |
if t in '. ' and n not in '..': |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1699 |
return _("filename ends with '%s', which is not allowed " |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1700 |
"on Windows") % t |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1701 |
|
34645 | 1702 |
if pycompat.iswindows: |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1703 |
checkosfilename = checkwinfilename |
30974
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1704 |
timer = time.clock |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1705 |
else: |
14926
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14918
diff
changeset
|
1706 |
checkosfilename = platform.checkosfilename |
30974
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1707 |
timer = time.time |
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1708 |
|
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1709 |
if safehasattr(time, "perf_counter"): |
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1710 |
timer = time.perf_counter |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1711 |
|
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1712 |
def makelock(info, pathname): |
36701
d77c3b023393
lock: block signal interrupt while making a lock file
Yuya Nishihara <yuya@tcha.org>
parents:
36699
diff
changeset
|
1713 |
"""Create a lock file atomically if possible |
d77c3b023393
lock: block signal interrupt while making a lock file
Yuya Nishihara <yuya@tcha.org>
parents:
36699
diff
changeset
|
1714 |
|
d77c3b023393
lock: block signal interrupt while making a lock file
Yuya Nishihara <yuya@tcha.org>
parents:
36699
diff
changeset
|
1715 |
This may leave a stale lock file if symlink isn't supported and signal |
d77c3b023393
lock: block signal interrupt while making a lock file
Yuya Nishihara <yuya@tcha.org>
parents:
36699
diff
changeset
|
1716 |
interrupt is enabled. |
d77c3b023393
lock: block signal interrupt while making a lock file
Yuya Nishihara <yuya@tcha.org>
parents:
36699
diff
changeset
|
1717 |
""" |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1718 |
try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1719 |
return os.symlink(info, pathname) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25420
diff
changeset
|
1720 |
except OSError as why: |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1721 |
if why.errno == errno.EEXIST: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1722 |
raise |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1723 |
except AttributeError: # no symlink in os |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1724 |
pass |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1725 |
|
36783
1fbbb8e83392
py3: read/write plain lock file in binary mode
Yuya Nishihara <yuya@tcha.org>
parents:
36782
diff
changeset
|
1726 |
flags = os.O_CREAT | os.O_WRONLY | os.O_EXCL | getattr(os, 'O_BINARY', 0) |
1fbbb8e83392
py3: read/write plain lock file in binary mode
Yuya Nishihara <yuya@tcha.org>
parents:
36782
diff
changeset
|
1727 |
ld = os.open(pathname, flags) |
704
5ca319a641e1
Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
698
diff
changeset
|
1728 |
os.write(ld, info) |
5ca319a641e1
Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
698
diff
changeset
|
1729 |
os.close(ld) |
5ca319a641e1
Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
698
diff
changeset
|
1730 |
|
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1731 |
def readlock(pathname): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1732 |
try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1733 |
return os.readlink(pathname) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25420
diff
changeset
|
1734 |
except OSError as why: |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1735 |
if why.errno not in (errno.EINVAL, errno.ENOSYS): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1736 |
raise |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1737 |
except AttributeError: # no symlink in os |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1738 |
pass |
36783
1fbbb8e83392
py3: read/write plain lock file in binary mode
Yuya Nishihara <yuya@tcha.org>
parents:
36782
diff
changeset
|
1739 |
fp = posixfile(pathname, 'rb') |
13400
14f3795a5ed7
explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13392
diff
changeset
|
1740 |
r = fp.read() |
14f3795a5ed7
explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13392
diff
changeset
|
1741 |
fp.close() |
14f3795a5ed7
explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13392
diff
changeset
|
1742 |
return r |
704
5ca319a641e1
Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
698
diff
changeset
|
1743 |
|
2176
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1744 |
def fstat(fp): |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1745 |
'''stat file object that may not have fileno method.''' |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1746 |
try: |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1747 |
return os.fstat(fp.fileno()) |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1748 |
except AttributeError: |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1749 |
return os.stat(fp.name) |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1750 |
|
3784 | 1751 |
# File system features |
1752 |
||
29889
6f447b9ec263
util: rename checkcase() to fscasesensitive() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
29832
diff
changeset
|
1753 |
def fscasesensitive(path): |
3784 | 1754 |
""" |
18911
451eb1c27c1b
util: improve doc for checkcase
Mads Kiilerich <mads@kiilerich.com>
parents:
18868
diff
changeset
|
1755 |
Return true if the given path is on a case-sensitive filesystem |
3784 | 1756 |
|
1757 |
Requires a path (like /foo/.hg) ending with a foldable final |
|
1758 |
directory component. |
|
1759 |
""" |
|
24902
986a5c23b1c1
util.checkcase: don't abort on broken symlinks
Siddharth Agarwal <sid0@fb.com>
parents:
24692
diff
changeset
|
1760 |
s1 = os.lstat(path) |
3784 | 1761 |
d, b = os.path.split(path) |
15667
eacfd851cb9e
icasefs: consider as case sensitive if there is no counterevidence, for safety
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15609
diff
changeset
|
1762 |
b2 = b.upper() |
eacfd851cb9e
icasefs: consider as case sensitive if there is no counterevidence, for safety
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15609
diff
changeset
|
1763 |
if b == b2: |
eacfd851cb9e
icasefs: consider as case sensitive if there is no counterevidence, for safety
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15609
diff
changeset
|
1764 |
b2 = b.lower() |
eacfd851cb9e
icasefs: consider as case sensitive if there is no counterevidence, for safety
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15609
diff
changeset
|
1765 |
if b == b2: |
eacfd851cb9e
icasefs: consider as case sensitive if there is no counterevidence, for safety
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15609
diff
changeset
|
1766 |
return True # no evidence against case sensitivity |
eacfd851cb9e
icasefs: consider as case sensitive if there is no counterevidence, for safety
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15609
diff
changeset
|
1767 |
p2 = os.path.join(d, b2) |
3784 | 1768 |
try: |
24902
986a5c23b1c1
util.checkcase: don't abort on broken symlinks
Siddharth Agarwal <sid0@fb.com>
parents:
24692
diff
changeset
|
1769 |
s2 = os.lstat(p2) |
3784 | 1770 |
if s2 == s1: |
1771 |
return False |
|
1772 |
return True |
|
14004
97ed99d1f419
eliminate various naked except clauses
Idan Kamara <idankk86@gmail.com>
parents:
13985
diff
changeset
|
1773 |
except OSError: |
3784 | 1774 |
return True |
1775 |
||
16943
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1776 |
try: |
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1777 |
import re2 |
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1778 |
_re2 = None |
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1779 |
except ImportError: |
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1780 |
_re2 = False |
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1781 |
|
21908
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1782 |
class _re(object): |
21913
50aad4609224
util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
parents:
21912
diff
changeset
|
1783 |
def _checkre2(self): |
50aad4609224
util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
parents:
21912
diff
changeset
|
1784 |
global _re2 |
50aad4609224
util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
parents:
21912
diff
changeset
|
1785 |
try: |
50aad4609224
util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
parents:
21912
diff
changeset
|
1786 |
# check if match works, see issue3964 |
50aad4609224
util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
parents:
21912
diff
changeset
|
1787 |
_re2 = bool(re2.match(r'\[([^\[]+)\]', '[ui]')) |
50aad4609224
util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
parents:
21912
diff
changeset
|
1788 |
except ImportError: |
50aad4609224
util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
parents:
21912
diff
changeset
|
1789 |
_re2 = False |
50aad4609224
util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
parents:
21912
diff
changeset
|
1790 |
|
21908
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1791 |
def compile(self, pat, flags=0): |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1792 |
'''Compile a regular expression, using re2 if possible |
16943
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1793 |
|
21908
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1794 |
For best performance, use only re2-compatible regexp features. The |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1795 |
only flags from the re module that are re2-compatible are |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1796 |
IGNORECASE and MULTILINE.''' |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1797 |
if _re2 is None: |
21913
50aad4609224
util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
parents:
21912
diff
changeset
|
1798 |
self._checkre2() |
21908
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1799 |
if _re2 and (flags & ~(remod.IGNORECASE | remod.MULTILINE)) == 0: |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1800 |
if flags & remod.IGNORECASE: |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1801 |
pat = '(?i)' + pat |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1802 |
if flags & remod.MULTILINE: |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1803 |
pat = '(?m)' + pat |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1804 |
try: |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1805 |
return re2.compile(pat) |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1806 |
except re2.error: |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1807 |
pass |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1808 |
return remod.compile(pat, flags) |
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1809 |
|
21914
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1810 |
@propertycache |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1811 |
def escape(self): |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1812 |
'''Return the version of escape corresponding to self.compile. |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1813 |
|
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1814 |
This is imperfect because whether re2 or re is used for a particular |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1815 |
function depends on the flags, etc, but it's the best we can do. |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1816 |
''' |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1817 |
global _re2 |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1818 |
if _re2 is None: |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1819 |
self._checkre2() |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1820 |
if _re2: |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1821 |
return re2.escape |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1822 |
else: |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1823 |
return remod.escape |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
parents:
21913
diff
changeset
|
1824 |
|
21908
cad9dadc9d26
util: move compilere to a class
Siddharth Agarwal <sid0@fb.com>
parents:
21907
diff
changeset
|
1825 |
re = _re() |
16943
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1826 |
|
6676
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1827 |
_fspathcache = {} |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1828 |
def fspath(name, root): |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1829 |
'''Get name in the case stored in the filesystem |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1830 |
|
15710
f63e40047372
icasefs: avoid path-absoluteness/existance check in util.fspath() for efficiency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15709
diff
changeset
|
1831 |
The name should be relative to root, and be normcase-ed for efficiency. |
f63e40047372
icasefs: avoid path-absoluteness/existance check in util.fspath() for efficiency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15709
diff
changeset
|
1832 |
|
f63e40047372
icasefs: avoid path-absoluteness/existance check in util.fspath() for efficiency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15709
diff
changeset
|
1833 |
Note that this function is unnecessary, and should not be |
6676
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1834 |
called, for case-sensitive filesystems (simply because it's expensive). |
15670
d6c19cfa03ce
icasefs: avoid normcase()-ing in util.fspath() for efficiency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15669
diff
changeset
|
1835 |
|
15710
f63e40047372
icasefs: avoid path-absoluteness/existance check in util.fspath() for efficiency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15709
diff
changeset
|
1836 |
The root should be normcase-ed, too. |
6676
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1837 |
''' |
23097
30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
Siddharth Agarwal <sid0@fb.com>
parents:
23076
diff
changeset
|
1838 |
def _makefspathcacheentry(dir): |
30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
Siddharth Agarwal <sid0@fb.com>
parents:
23076
diff
changeset
|
1839 |
return dict((normcase(n), n) for n in os.listdir(dir)) |
15709
a1f4bd47d18e
icasefs: retry directory scan once for already invalidated cache
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15674
diff
changeset
|
1840 |
|
30613
1112ff99d965
py3: replace os.sep with pycompat.ossep (part 1 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30536
diff
changeset
|
1841 |
seps = pycompat.ossep |
30625
bcf4a975f93d
py3: replace os.altsep with pycompat.altsep
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30613
diff
changeset
|
1842 |
if pycompat.osaltsep: |
bcf4a975f93d
py3: replace os.altsep with pycompat.altsep
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30613
diff
changeset
|
1843 |
seps = seps + pycompat.osaltsep |
6676
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1844 |
# Protect backslashes. This gets silly very quickly. |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1845 |
seps.replace('\\','\\\\') |
31496
670166e0fcaa
util: use bytes re on bytes input in fspath
Augie Fackler <augie@google.com>
parents:
31495
diff
changeset
|
1846 |
pattern = remod.compile(br'([^%s]+)|([%s]+)' % (seps, seps)) |
15669
390bcd01775a
icasefs: use util.normcase() instead of lower() or os.path.normcase in fspath
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15667
diff
changeset
|
1847 |
dir = os.path.normpath(root) |
6676
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1848 |
result = [] |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1849 |
for part, sep in pattern.findall(name): |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1850 |
if sep: |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1851 |
result.append(sep) |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1852 |
continue |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1853 |
|
15719
1dd60426b061
icasefs: follow standard cache look up pattern
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15718
diff
changeset
|
1854 |
if dir not in _fspathcache: |
23097
30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
Siddharth Agarwal <sid0@fb.com>
parents:
23076
diff
changeset
|
1855 |
_fspathcache[dir] = _makefspathcacheentry(dir) |
15719
1dd60426b061
icasefs: follow standard cache look up pattern
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15718
diff
changeset
|
1856 |
contents = _fspathcache[dir] |
6676
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1857 |
|
23097
30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
Siddharth Agarwal <sid0@fb.com>
parents:
23076
diff
changeset
|
1858 |
found = contents.get(part) |
15709
a1f4bd47d18e
icasefs: retry directory scan once for already invalidated cache
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15674
diff
changeset
|
1859 |
if not found: |
15720
3bcfea777efc
icasefs: rewrite comment to explain situtation precisely
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15719
diff
changeset
|
1860 |
# retry "once per directory" per "dirstate.walk" which |
3bcfea777efc
icasefs: rewrite comment to explain situtation precisely
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15719
diff
changeset
|
1861 |
# may take place for each patches of "hg qpush", for example |
23097
30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
Siddharth Agarwal <sid0@fb.com>
parents:
23076
diff
changeset
|
1862 |
_fspathcache[dir] = contents = _makefspathcacheentry(dir) |
30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
Siddharth Agarwal <sid0@fb.com>
parents:
23076
diff
changeset
|
1863 |
found = contents.get(part) |
15709
a1f4bd47d18e
icasefs: retry directory scan once for already invalidated cache
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15674
diff
changeset
|
1864 |
|
a1f4bd47d18e
icasefs: retry directory scan once for already invalidated cache
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15674
diff
changeset
|
1865 |
result.append(found or part) |
15669
390bcd01775a
icasefs: use util.normcase() instead of lower() or os.path.normcase in fspath
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15667
diff
changeset
|
1866 |
dir = os.path.join(dir, part) |
6676
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1867 |
|
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1868 |
return ''.join(result) |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
6595
diff
changeset
|
1869 |
|
12938
bf826c0b9537
opener: check hardlink count reporting (issue1866)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12927
diff
changeset
|
1870 |
def checknlink(testfile): |
bf826c0b9537
opener: check hardlink count reporting (issue1866)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12927
diff
changeset
|
1871 |
'''check whether hardlink count reporting works properly''' |
bf826c0b9537
opener: check hardlink count reporting (issue1866)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12927
diff
changeset
|
1872 |
|
13204
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1873 |
# testfile may be open, so we need a separate file for checking to |
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1874 |
# work around issue2543 (or testfile may get lost on Samba shares) |
34084
6c5cdb02f2f9
checknlink: rename file object from 'fd' to 'fp'
Jun Wu <quark@fb.com>
parents:
34079
diff
changeset
|
1875 |
f1, f2, fp = None, None, None |
12938
bf826c0b9537
opener: check hardlink count reporting (issue1866)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12927
diff
changeset
|
1876 |
try: |
38164
aac4be30e250
py3: wrap tempfile.mkstemp() to use bytes path
Yuya Nishihara <yuya@tcha.org>
parents:
37972
diff
changeset
|
1877 |
fd, f1 = pycompat.mkstemp(prefix='.%s-' % os.path.basename(testfile), |
34079
1104718fb090
checknlink: use a random temp file name for checking
Jun Wu <quark@fb.com>
parents:
34072
diff
changeset
|
1878 |
suffix='1~', dir=os.path.dirname(testfile)) |
1104718fb090
checknlink: use a random temp file name for checking
Jun Wu <quark@fb.com>
parents:
34072
diff
changeset
|
1879 |
os.close(fd) |
1104718fb090
checknlink: use a random temp file name for checking
Jun Wu <quark@fb.com>
parents:
34072
diff
changeset
|
1880 |
f2 = '%s2~' % f1[:-2] |
1104718fb090
checknlink: use a random temp file name for checking
Jun Wu <quark@fb.com>
parents:
34072
diff
changeset
|
1881 |
|
25088
754df8e932d3
util: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24902
diff
changeset
|
1882 |
oslink(f1, f2) |
12938
bf826c0b9537
opener: check hardlink count reporting (issue1866)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12927
diff
changeset
|
1883 |
# nlinks() may behave differently for files on Windows shares if |
bf826c0b9537
opener: check hardlink count reporting (issue1866)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12927
diff
changeset
|
1884 |
# the file is open. |
34084
6c5cdb02f2f9
checknlink: rename file object from 'fd' to 'fp'
Jun Wu <quark@fb.com>
parents:
34079
diff
changeset
|
1885 |
fp = posixfile(f2) |
13204
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1886 |
return nlinks(f2) > 1 |
25088
754df8e932d3
util: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24902
diff
changeset
|
1887 |
except OSError: |
754df8e932d3
util: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24902
diff
changeset
|
1888 |
return False |
12938
bf826c0b9537
opener: check hardlink count reporting (issue1866)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12927
diff
changeset
|
1889 |
finally: |
34084
6c5cdb02f2f9
checknlink: rename file object from 'fd' to 'fp'
Jun Wu <quark@fb.com>
parents:
34079
diff
changeset
|
1890 |
if fp is not None: |
6c5cdb02f2f9
checknlink: rename file object from 'fd' to 'fp'
Jun Wu <quark@fb.com>
parents:
34079
diff
changeset
|
1891 |
fp.close() |
13204
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1892 |
for f in (f1, f2): |
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1893 |
try: |
34079
1104718fb090
checknlink: use a random temp file name for checking
Jun Wu <quark@fb.com>
parents:
34072
diff
changeset
|
1894 |
if f is not None: |
1104718fb090
checknlink: use a random temp file name for checking
Jun Wu <quark@fb.com>
parents:
34072
diff
changeset
|
1895 |
os.unlink(f) |
13204
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1896 |
except OSError: |
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1897 |
pass |
12938
bf826c0b9537
opener: check hardlink count reporting (issue1866)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12927
diff
changeset
|
1898 |
|
5843
83c354c4d529
Add endswithsep() and use it instead of using os.sep and os.altsep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5802
diff
changeset
|
1899 |
def endswithsep(path): |
83c354c4d529
Add endswithsep() and use it instead of using os.sep and os.altsep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5802
diff
changeset
|
1900 |
'''Check path ends with os.sep or os.altsep.''' |
30613
1112ff99d965
py3: replace os.sep with pycompat.ossep (part 1 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30536
diff
changeset
|
1901 |
return (path.endswith(pycompat.ossep) |
30625
bcf4a975f93d
py3: replace os.altsep with pycompat.altsep
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30613
diff
changeset
|
1902 |
or pycompat.osaltsep and path.endswith(pycompat.osaltsep)) |
5843
83c354c4d529
Add endswithsep() and use it instead of using os.sep and os.altsep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5802
diff
changeset
|
1903 |
|
5844
07d8eb78dd68
Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5843
diff
changeset
|
1904 |
def splitpath(path): |
07d8eb78dd68
Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5843
diff
changeset
|
1905 |
'''Split path by os.sep. |
07d8eb78dd68
Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5843
diff
changeset
|
1906 |
Note that this function does not use os.altsep because this is |
07d8eb78dd68
Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5843
diff
changeset
|
1907 |
an alternative of simple "xxx.split(os.sep)". |
07d8eb78dd68
Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5843
diff
changeset
|
1908 |
It is recommended to use os.path.normpath() before using this |
07d8eb78dd68
Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5843
diff
changeset
|
1909 |
function if need.''' |
30613
1112ff99d965
py3: replace os.sep with pycompat.ossep (part 1 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30536
diff
changeset
|
1910 |
return path.split(pycompat.ossep) |
5844
07d8eb78dd68
Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents:
5843
diff
changeset
|
1911 |
|
6062
3c3b126e5619
Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
6007
diff
changeset
|
1912 |
def mktempcopy(name, emptyok=False, createmode=None): |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1913 |
"""Create a temporary file with the same contents from name |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1914 |
|
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1915 |
The permission bits are copied from the original file. |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1916 |
|
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1917 |
If the temporary file is going to be truncated immediately, you |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1918 |
can use emptyok=True as an optimization. |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1919 |
|
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1920 |
Returns the name of the temporary file. |
2176
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1921 |
""" |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1922 |
d, fn = os.path.split(name) |
38164
aac4be30e250
py3: wrap tempfile.mkstemp() to use bytes path
Yuya Nishihara <yuya@tcha.org>
parents:
37972
diff
changeset
|
1923 |
fd, temp = pycompat.mkstemp(prefix='.%s-' % fn, suffix='~', dir=d) |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1924 |
os.close(fd) |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1925 |
# Temporary files are created with mode 0600, which is usually not |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1926 |
# what we want. If the original file already exists, just copy |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1927 |
# its mode. Otherwise, manually obey umask. |
15010
c3114acd8ea2
util: factor new function copymode out of mktempcopy
Adrian Buehlmann <adrian@cadifra.com>
parents:
14999
diff
changeset
|
1928 |
copymode(name, temp, createmode) |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1929 |
if emptyok: |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1930 |
return temp |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1931 |
try: |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1932 |
try: |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1933 |
ifp = posixfile(name, "rb") |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25420
diff
changeset
|
1934 |
except IOError as inst: |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1935 |
if inst.errno == errno.ENOENT: |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1936 |
return temp |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1937 |
if not getattr(inst, 'filename', None): |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1938 |
inst.filename = name |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1939 |
raise |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1940 |
ofp = posixfile(temp, "wb") |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1941 |
for chunk in filechunkiter(ifp): |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1942 |
ofp.write(chunk) |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1943 |
ifp.close() |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1944 |
ofp.close() |
16705
c2d9ef43ff6c
check-code: ignore naked excepts with a "re-raise" comment
Brodie Rao <brodie@sf.io>
parents:
16703
diff
changeset
|
1945 |
except: # re-raises |
34435
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34362
diff
changeset
|
1946 |
try: |
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34362
diff
changeset
|
1947 |
os.unlink(temp) |
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34362
diff
changeset
|
1948 |
except OSError: |
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34362
diff
changeset
|
1949 |
pass |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1950 |
raise |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1951 |
return temp |
2176
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1952 |
|
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1953 |
class filestat(object): |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1954 |
"""help to exactly detect change of a file |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1955 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1956 |
'stat' attribute is result of 'os.stat()' if specified 'path' |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1957 |
exists. Otherwise, it is None. This can avoid preparative |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1958 |
'exists()' examination on client side of this class. |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1959 |
""" |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1960 |
def __init__(self, stat): |
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1961 |
self.stat = stat |
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1962 |
|
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1963 |
@classmethod |
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1964 |
def frompath(cls, path): |
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1965 |
try: |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1966 |
stat = os.stat(path) |
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1967 |
except OSError as err: |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1968 |
if err.errno != errno.ENOENT: |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1969 |
raise |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1970 |
stat = None |
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1971 |
return cls(stat) |
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1972 |
|
32816
1b25c648d5b7
fsmonitor: don't write out state if identity has changed (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32772
diff
changeset
|
1973 |
@classmethod |
1b25c648d5b7
fsmonitor: don't write out state if identity has changed (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32772
diff
changeset
|
1974 |
def fromfp(cls, fp): |
1b25c648d5b7
fsmonitor: don't write out state if identity has changed (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32772
diff
changeset
|
1975 |
stat = os.fstat(fp.fileno()) |
1b25c648d5b7
fsmonitor: don't write out state if identity has changed (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32772
diff
changeset
|
1976 |
return cls(stat) |
1b25c648d5b7
fsmonitor: don't write out state if identity has changed (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32772
diff
changeset
|
1977 |
|
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1978 |
__hash__ = object.__hash__ |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1979 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1980 |
def __eq__(self, old): |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1981 |
try: |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1982 |
# if ambiguity between stat of new and old file is |
30332
318a24b52eeb
spelling: fixes of non-dictionary words
Mads Kiilerich <madski@unity3d.com>
parents:
30329
diff
changeset
|
1983 |
# avoided, comparison of size, ctime and mtime is enough |
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1984 |
# to exactly detect change of a file regardless of platform |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1985 |
return (self.stat.st_size == old.stat.st_size and |
36781
ffa3026d4196
cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents:
36724
diff
changeset
|
1986 |
self.stat[stat.ST_CTIME] == old.stat[stat.ST_CTIME] and |
ffa3026d4196
cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents:
36724
diff
changeset
|
1987 |
self.stat[stat.ST_MTIME] == old.stat[stat.ST_MTIME]) |
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1988 |
except AttributeError: |
32749
b5524fd9a4e3
util: make filestat.__eq__ return True if both of self and old have None stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32746
diff
changeset
|
1989 |
pass |
b5524fd9a4e3
util: make filestat.__eq__ return True if both of self and old have None stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32746
diff
changeset
|
1990 |
try: |
b5524fd9a4e3
util: make filestat.__eq__ return True if both of self and old have None stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32746
diff
changeset
|
1991 |
return self.stat is None and old.stat is None |
b5524fd9a4e3
util: make filestat.__eq__ return True if both of self and old have None stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32746
diff
changeset
|
1992 |
except AttributeError: |
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1993 |
return False |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1994 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1995 |
def isambig(self, old): |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1996 |
"""Examine whether new (= self) stat is ambiguous against old one |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1997 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1998 |
"S[N]" below means stat of a file at N-th change: |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1999 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2000 |
- S[n-1].ctime < S[n].ctime: can detect change of a file |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2001 |
- S[n-1].ctime == S[n].ctime |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2002 |
- S[n-1].ctime < S[n].mtime: means natural advancing (*1) |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2003 |
- S[n-1].ctime == S[n].mtime: is ambiguous (*2) |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2004 |
- S[n-1].ctime > S[n].mtime: never occurs naturally (don't care) |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2005 |
- S[n-1].ctime > S[n].ctime: never occurs naturally (don't care) |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2006 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2007 |
Case (*2) above means that a file was changed twice or more at |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2008 |
same time in sec (= S[n-1].ctime), and comparison of timestamp |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2009 |
is ambiguous. |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2010 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2011 |
Base idea to avoid such ambiguity is "advance mtime 1 sec, if |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2012 |
timestamp is ambiguous". |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2013 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2014 |
But advancing mtime only in case (*2) doesn't work as |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2015 |
expected, because naturally advanced S[n].mtime in case (*1) |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2016 |
might be equal to manually advanced S[n-1 or earlier].mtime. |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2017 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2018 |
Therefore, all "S[n-1].ctime == S[n].ctime" cases should be |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2019 |
treated as ambiguous regardless of mtime, to avoid overlooking |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2020 |
by confliction between such mtime. |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2021 |
|
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2022 |
Advancing mtime "if isambig(oldstat)" ensures "S[n-1].mtime != |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2023 |
S[n].mtime", even if size of a file isn't changed. |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2024 |
""" |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2025 |
try: |
36781
ffa3026d4196
cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents:
36724
diff
changeset
|
2026 |
return (self.stat[stat.ST_CTIME] == old.stat[stat.ST_CTIME]) |
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2027 |
except AttributeError: |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2028 |
return False |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2029 |
|
30319
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2030 |
def avoidambig(self, path, old): |
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2031 |
"""Change file stat of specified path to avoid ambiguity |
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2032 |
|
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2033 |
'old' should be previous filestat of 'path'. |
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2034 |
|
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2035 |
This skips avoiding ambiguity, if a process doesn't have |
32746
77f354ae1123
util: make filestat.avoidambig() return whether ambiguity is avoided or not
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32652
diff
changeset
|
2036 |
appropriate privileges for 'path'. This returns False in this |
77f354ae1123
util: make filestat.avoidambig() return whether ambiguity is avoided or not
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32652
diff
changeset
|
2037 |
case. |
77f354ae1123
util: make filestat.avoidambig() return whether ambiguity is avoided or not
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32652
diff
changeset
|
2038 |
|
77f354ae1123
util: make filestat.avoidambig() return whether ambiguity is avoided or not
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32652
diff
changeset
|
2039 |
Otherwise, this returns True, as "ambiguity is avoided". |
30319
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2040 |
""" |
36781
ffa3026d4196
cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents:
36724
diff
changeset
|
2041 |
advanced = (old.stat[stat.ST_MTIME] + 1) & 0x7fffffff |
30319
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2042 |
try: |
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2043 |
os.utime(path, (advanced, advanced)) |
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2044 |
except OSError as inst: |
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2045 |
if inst.errno == errno.EPERM: |
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2046 |
# utime() on the file created by another user causes EPERM, |
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2047 |
# if a process doesn't have appropriate privileges |
32746
77f354ae1123
util: make filestat.avoidambig() return whether ambiguity is avoided or not
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32652
diff
changeset
|
2048 |
return False |
30319
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2049 |
raise |
32746
77f354ae1123
util: make filestat.avoidambig() return whether ambiguity is avoided or not
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32652
diff
changeset
|
2050 |
return True |
30319
b496a464399c
util: add utility function to skip avoiding file stat ambiguity if EPERM
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
30181
diff
changeset
|
2051 |
|
29298
82f6193ff2bc
util: add __ne__ to filestat class for consistency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29261
diff
changeset
|
2052 |
def __ne__(self, other): |
82f6193ff2bc
util: add __ne__ to filestat class for consistency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29261
diff
changeset
|
2053 |
return not self == other |
82f6193ff2bc
util: add __ne__ to filestat class for consistency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29261
diff
changeset
|
2054 |
|
8778
c5f36402daad
use new style classes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8631
diff
changeset
|
2055 |
class atomictempfile(object): |
17424
e7cfe3587ea4
fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17391
diff
changeset
|
2056 |
'''writable file object that atomically updates a file |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
2057 |
|
14008
da65edcac72a
atomictempfile: rewrite docstring to clarify rename() vs. close().
Greg Ward <greg@gerg.ca>
parents:
14007
diff
changeset
|
2058 |
All writes will go to a temporary copy of the original file. Call |
15057
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
15050
diff
changeset
|
2059 |
close() when you are done writing, and atomictempfile will rename |
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
15050
diff
changeset
|
2060 |
the temporary copy to the original name, making the changes |
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
15050
diff
changeset
|
2061 |
visible. If the object is destroyed without being closed, all your |
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
15050
diff
changeset
|
2062 |
writes are discarded. |
29367
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
2063 |
|
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
2064 |
checkambig argument of constructor is used with filestat, and is |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
2065 |
useful only if target file is guarded by any lock (e.g. repo.lock |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
2066 |
or repo.wlock). |
14008
da65edcac72a
atomictempfile: rewrite docstring to clarify rename() vs. close().
Greg Ward <greg@gerg.ca>
parents:
14007
diff
changeset
|
2067 |
''' |
29201
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2068 |
def __init__(self, name, mode='w+b', createmode=None, checkambig=False): |
14007
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2069 |
self.__name = name # permanent name |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2070 |
self._tempname = mktempcopy(name, emptyok=('w' in mode), |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2071 |
createmode=createmode) |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2072 |
self._fp = posixfile(self._tempname, mode) |
29201
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2073 |
self._checkambig = checkambig |
8327
aa25be1c2889
atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents:
8312
diff
changeset
|
2074 |
|
14007
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2075 |
# delegated methods |
29393
50269a4dce61
atomictempfile: add read to the supported file operations
Martijn Pieters <mjpieters@fb.com>
parents:
29367
diff
changeset
|
2076 |
self.read = self._fp.read |
14007
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2077 |
self.write = self._fp.write |
17237
e73128535105
util: delegate seek and tell methods of atomictempfile
Bryan O'Sullivan <bryano@fb.com>
parents:
17203
diff
changeset
|
2078 |
self.seek = self._fp.seek |
e73128535105
util: delegate seek and tell methods of atomictempfile
Bryan O'Sullivan <bryano@fb.com>
parents:
17203
diff
changeset
|
2079 |
self.tell = self._fp.tell |
14007
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2080 |
self.fileno = self._fp.fileno |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
2081 |
|
15057
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
15050
diff
changeset
|
2082 |
def close(self): |
8785
7a9151bc5b37
atomictempfile: fix exception in __del__ if mktempcopy fails (self._fp is None)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8778
diff
changeset
|
2083 |
if not self._fp.closed: |
8327
aa25be1c2889
atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents:
8312
diff
changeset
|
2084 |
self._fp.close() |
29201
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2085 |
filename = localpath(self.__name) |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
2086 |
oldstat = self._checkambig and filestat.frompath(filename) |
29201
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2087 |
if oldstat and oldstat.stat: |
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2088 |
rename(self._tempname, filename) |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
2089 |
newstat = filestat.frompath(filename) |
29201
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2090 |
if newstat.isambig(oldstat): |
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2091 |
# stat of changed file is ambiguous to original one |
36781
ffa3026d4196
cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents:
36724
diff
changeset
|
2092 |
advanced = (oldstat.stat[stat.ST_MTIME] + 1) & 0x7fffffff |
29201
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2093 |
os.utime(filename, (advanced, advanced)) |
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2094 |
else: |
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2095 |
rename(self._tempname, filename) |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
2096 |
|
15057
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
15050
diff
changeset
|
2097 |
def discard(self): |
8785
7a9151bc5b37
atomictempfile: fix exception in __del__ if mktempcopy fails (self._fp is None)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8778
diff
changeset
|
2098 |
if not self._fp.closed: |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
2099 |
try: |
14007
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2100 |
os.unlink(self._tempname) |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2101 |
except OSError: |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2102 |
pass |
8327
aa25be1c2889
atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents:
8312
diff
changeset
|
2103 |
self._fp.close() |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
2104 |
|
13098
f7d6750dcd01
util: make atomicfiles closable
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13072
diff
changeset
|
2105 |
def __del__(self): |
14968
b7dbe957585c
util: use safehasattr or getattr instead of hasattr
Augie Fackler <durin42@gmail.com>
parents:
14942
diff
changeset
|
2106 |
if safehasattr(self, '_fp'): # constructor actually did something |
15057
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
15050
diff
changeset
|
2107 |
self.discard() |
13098
f7d6750dcd01
util: make atomicfiles closable
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13072
diff
changeset
|
2108 |
|
29394
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2109 |
def __enter__(self): |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2110 |
return self |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2111 |
|
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2112 |
def __exit__(self, exctype, excvalue, traceback): |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2113 |
if exctype is not None: |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2114 |
self.discard() |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2115 |
else: |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2116 |
self.close() |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2117 |
|
38493
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2118 |
def unlinkpath(f, ignoremissing=False, rmdir=True): |
31539 | 2119 |
"""unlink and remove the directory if it is empty""" |
31541
bd9daafbf87c
util: use tryunlink in unlinkpath
Ryan McElroy <rmcelroy@fb.com>
parents:
31540
diff
changeset
|
2120 |
if ignoremissing: |
bd9daafbf87c
util: use tryunlink in unlinkpath
Ryan McElroy <rmcelroy@fb.com>
parents:
31540
diff
changeset
|
2121 |
tryunlink(f) |
bd9daafbf87c
util: use tryunlink in unlinkpath
Ryan McElroy <rmcelroy@fb.com>
parents:
31540
diff
changeset
|
2122 |
else: |
31539 | 2123 |
unlink(f) |
38493
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2124 |
if rmdir: |
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2125 |
# try removing directories that might now be empty |
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2126 |
try: |
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2127 |
removedirs(os.path.dirname(f)) |
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2128 |
except OSError: |
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2129 |
pass |
31539 | 2130 |
|
31540
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2131 |
def tryunlink(f): |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2132 |
"""Attempt to remove a file, ignoring ENOENT errors.""" |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2133 |
try: |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2134 |
unlink(f) |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2135 |
except OSError as e: |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2136 |
if e.errno != errno.ENOENT: |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2137 |
raise |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2138 |
|
18938
e22107cff6bf
util: add notindexed optional parameter to makedirs function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18930
diff
changeset
|
2139 |
def makedirs(name, mode=None, notindexed=False): |
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2140 |
"""recursive directory creation with parent mode inheritance |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2141 |
|
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2142 |
Newly created directories are marked as "not to be indexed by |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2143 |
the content indexing service", if ``notindexed`` is specified |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2144 |
for "write" mode access. |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2145 |
""" |
6062
3c3b126e5619
Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
6007
diff
changeset
|
2146 |
try: |
18938
e22107cff6bf
util: add notindexed optional parameter to makedirs function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18930
diff
changeset
|
2147 |
makedir(name, notindexed) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25420
diff
changeset
|
2148 |
except OSError as err: |
6062
3c3b126e5619
Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
6007
diff
changeset
|
2149 |
if err.errno == errno.EEXIST: |
3c3b126e5619
Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
6007
diff
changeset
|
2150 |
return |
15058
81f33be0ea79
util: postpone and reorder parent calculation in makedirs
Adrian Buehlmann <adrian@cadifra.com>
parents:
15057
diff
changeset
|
2151 |
if err.errno != errno.ENOENT or not name: |
81f33be0ea79
util: postpone and reorder parent calculation in makedirs
Adrian Buehlmann <adrian@cadifra.com>
parents:
15057
diff
changeset
|
2152 |
raise |
81f33be0ea79
util: postpone and reorder parent calculation in makedirs
Adrian Buehlmann <adrian@cadifra.com>
parents:
15057
diff
changeset
|
2153 |
parent = os.path.dirname(os.path.abspath(name)) |
81f33be0ea79
util: postpone and reorder parent calculation in makedirs
Adrian Buehlmann <adrian@cadifra.com>
parents:
15057
diff
changeset
|
2154 |
if parent == name: |
6062
3c3b126e5619
Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
6007
diff
changeset
|
2155 |
raise |
18938
e22107cff6bf
util: add notindexed optional parameter to makedirs function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18930
diff
changeset
|
2156 |
makedirs(parent, mode, notindexed) |
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2157 |
try: |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2158 |
makedir(name, notindexed) |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2159 |
except OSError as err: |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2160 |
# Catch EEXIST to handle races |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2161 |
if err.errno == errno.EEXIST: |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2162 |
return |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2163 |
raise |
18678
423eee0b0b14
util: make ensuredirs safer against races
Bryan O'Sullivan <bryano@fb.com>
parents:
18668
diff
changeset
|
2164 |
if mode is not None: |
423eee0b0b14
util: make ensuredirs safer against races
Bryan O'Sullivan <bryano@fb.com>
parents:
18668
diff
changeset
|
2165 |
os.chmod(name, mode) |
18668
4034b8d551b1
scmutil: create directories in a race-safe way during update
Bryan O'Sullivan <bryano@fb.com>
parents:
18614
diff
changeset
|
2166 |
|
14099
0824a0a3cefc
util: add readfile() & writefile() helper functions
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14077
diff
changeset
|
2167 |
def readfile(path): |
27778
4d10600c3f08
util: simplify file I/O functions using context managers
Bryan O'Sullivan <bryano@fb.com>
parents:
27768
diff
changeset
|
2168 |
with open(path, 'rb') as fp: |
14100
3e9e02a41dfb
util: really drop size from readfile
Matt Mackall <mpm@selenic.com>
parents:
14099
diff
changeset
|
2169 |
return fp.read() |
14099
0824a0a3cefc
util: add readfile() & writefile() helper functions
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14077
diff
changeset
|
2170 |
|
14167
0e4753807c93
util & scmutil: adapt read/write helpers as request by mpm
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14147
diff
changeset
|
2171 |
def writefile(path, text): |
27778
4d10600c3f08
util: simplify file I/O functions using context managers
Bryan O'Sullivan <bryano@fb.com>
parents:
27768
diff
changeset
|
2172 |
with open(path, 'wb') as fp: |
14167
0e4753807c93
util & scmutil: adapt read/write helpers as request by mpm
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14147
diff
changeset
|
2173 |
fp.write(text) |
0e4753807c93
util & scmutil: adapt read/write helpers as request by mpm
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14147
diff
changeset
|
2174 |
|
0e4753807c93
util & scmutil: adapt read/write helpers as request by mpm
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14147
diff
changeset
|
2175 |
def appendfile(path, text): |
27778
4d10600c3f08
util: simplify file I/O functions using context managers
Bryan O'Sullivan <bryano@fb.com>
parents:
27768
diff
changeset
|
2176 |
with open(path, 'ab') as fp: |
14099
0824a0a3cefc
util: add readfile() & writefile() helper functions
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14077
diff
changeset
|
2177 |
fp.write(text) |
0824a0a3cefc
util: add readfile() & writefile() helper functions
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14077
diff
changeset
|
2178 |
|
1199
78ceaf83f28f
Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents:
1169
diff
changeset
|
2179 |
class chunkbuffer(object): |
78ceaf83f28f
Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents:
1169
diff
changeset
|
2180 |
"""Allow arbitrary sized chunks of data to be efficiently read from an |
78ceaf83f28f
Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents:
1169
diff
changeset
|
2181 |
iterator over chunks of arbitrary size.""" |
1200 | 2182 |
|
5446
fa836e050c50
chunkbuffer: removed unused method and arg
Matt Mackall <mpm@selenic.com>
parents:
5420
diff
changeset
|
2183 |
def __init__(self, in_iter): |
32123
5f53c267e362
util: remove doc of long gone 'targetsize' argument
Martin von Zweigbergk <martinvonz@google.com>
parents:
31952
diff
changeset
|
2184 |
"""in_iter is the iterator that's iterating over the input chunks.""" |
11670
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2185 |
def splitbig(chunks): |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2186 |
for chunk in chunks: |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2187 |
if len(chunk) > 2**20: |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2188 |
pos = 0 |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2189 |
while pos < len(chunk): |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2190 |
end = pos + 2 ** 18 |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2191 |
yield chunk[pos:end] |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2192 |
pos = end |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2193 |
else: |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2194 |
yield chunk |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2195 |
self.iter = splitbig(in_iter) |
25113
0ca8410ea345
util: drop alias for collections.deque
Martin von Zweigbergk <martinvonz@google.com>
parents:
25112
diff
changeset
|
2196 |
self._queue = collections.deque() |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2197 |
self._chunkoffset = 0 |
1200 | 2198 |
|
21018
c848bfd02366
util: support None size in chunkbuffer.read()
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20835
diff
changeset
|
2199 |
def read(self, l=None): |
1200 | 2200 |
"""Read L bytes of data from the iterator of chunks of data. |
21018
c848bfd02366
util: support None size in chunkbuffer.read()
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20835
diff
changeset
|
2201 |
Returns less than L bytes if the iterator runs dry. |
c848bfd02366
util: support None size in chunkbuffer.read()
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20835
diff
changeset
|
2202 |
|
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
23097
diff
changeset
|
2203 |
If size parameter is omitted, read everything""" |
26478
a3f7e5461dbd
util.chunkbuffer: special case reading everything
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26450
diff
changeset
|
2204 |
if l is None: |
a3f7e5461dbd
util.chunkbuffer: special case reading everything
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26450
diff
changeset
|
2205 |
return ''.join(self.iter) |
a3f7e5461dbd
util.chunkbuffer: special case reading everything
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26450
diff
changeset
|
2206 |
|
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2207 |
left = l |
17962
4c29668ca316
util: make chunkbuffer non-quadratic on Windows
Matt Mackall <mpm@selenic.com>
parents:
17560
diff
changeset
|
2208 |
buf = [] |
16873
37e081609828
util: simplify queue management in chunkbuffer
Bryan O'Sullivan <bryano@fb.com>
parents:
16834
diff
changeset
|
2209 |
queue = self._queue |
26478
a3f7e5461dbd
util.chunkbuffer: special case reading everything
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26450
diff
changeset
|
2210 |
while left > 0: |
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2211 |
# refill the queue |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2212 |
if not queue: |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2213 |
target = 2**18 |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2214 |
for chunk in self.iter: |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2215 |
queue.append(chunk) |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2216 |
target -= len(chunk) |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2217 |
if target <= 0: |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2218 |
break |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2219 |
if not queue: |
1199
78ceaf83f28f
Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents:
1169
diff
changeset
|
2220 |
break |
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2221 |
|
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2222 |
# The easy way to do this would be to queue.popleft(), modify the |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2223 |
# chunk (if necessary), then queue.appendleft(). However, for cases |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2224 |
# where we read partial chunk content, this incurs 2 dequeue |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2225 |
# mutations and creates a new str for the remaining chunk in the |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2226 |
# queue. Our code below avoids this overhead. |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2227 |
|
26479
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2228 |
chunk = queue[0] |
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2229 |
chunkl = len(chunk) |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2230 |
offset = self._chunkoffset |
26479
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2231 |
|
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2232 |
# Use full chunk. |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2233 |
if offset == 0 and left >= chunkl: |
26479
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2234 |
left -= chunkl |
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2235 |
queue.popleft() |
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2236 |
buf.append(chunk) |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2237 |
# self._chunkoffset remains at 0. |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2238 |
continue |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2239 |
|
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2240 |
chunkremaining = chunkl - offset |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2241 |
|
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2242 |
# Use all of unconsumed part of chunk. |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2243 |
if left >= chunkremaining: |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2244 |
left -= chunkremaining |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2245 |
queue.popleft() |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2246 |
# offset == 0 is enabled by block above, so this won't merely |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2247 |
# copy via ``chunk[0:]``. |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2248 |
buf.append(chunk[offset:]) |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2249 |
self._chunkoffset = 0 |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2250 |
|
26479
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2251 |
# Partial chunk needed. |
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2252 |
else: |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2253 |
buf.append(chunk[offset:offset + left]) |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2254 |
self._chunkoffset += left |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2255 |
left -= chunkremaining |
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2256 |
|
17962
4c29668ca316
util: make chunkbuffer non-quadratic on Windows
Matt Mackall <mpm@selenic.com>
parents:
17560
diff
changeset
|
2257 |
return ''.join(buf) |
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2258 |
|
30181
7356e6b1f5b8
util: increase filechunkiter size to 128k
Mads Kiilerich <madski@unity3d.com>
parents:
30087
diff
changeset
|
2259 |
def filechunkiter(f, size=131072, limit=None): |
2462
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2260 |
"""Create a generator that produces the data in the file size |
30181
7356e6b1f5b8
util: increase filechunkiter size to 128k
Mads Kiilerich <madski@unity3d.com>
parents:
30087
diff
changeset
|
2261 |
(default 131072) bytes at a time, up to optional limit (default is |
2462
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2262 |
to read all data). Chunks may be less than size bytes if the |
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2263 |
chunk is the last chunk in the file, or the file is a socket or |
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2264 |
some other type of file that sometimes reads less data than is |
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2265 |
requested.""" |
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2266 |
assert size >= 0 |
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2267 |
assert limit is None or limit >= 0 |
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2268 |
while True: |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2269 |
if limit is None: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2270 |
nbytes = size |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2271 |
else: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2272 |
nbytes = min(limit, size) |
2462
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2273 |
s = nbytes and f.read(nbytes) |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2274 |
if not s: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2275 |
break |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2276 |
if limit: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2277 |
limit -= len(s) |
1199
78ceaf83f28f
Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents:
1169
diff
changeset
|
2278 |
yield s |
1320
5f277e73778f
Fix up representation of dates in hgweb.
Bryan O'Sullivan <bos@serpentine.com>
parents:
1312
diff
changeset
|
2279 |
|
36362
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2280 |
class cappedreader(object): |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2281 |
"""A file object proxy that allows reading up to N bytes. |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2282 |
|
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2283 |
Given a source file object, instances of this type allow reading up to |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2284 |
N bytes from that source file object. Attempts to read past the allowed |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2285 |
limit are treated as EOF. |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2286 |
|
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2287 |
It is assumed that I/O is not performed on the original file object |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2288 |
in addition to I/O that is performed by this instance. If there is, |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2289 |
state tracking will get out of sync and unexpected results will ensue. |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2290 |
""" |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2291 |
def __init__(self, fh, limit): |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2292 |
"""Allow reading up to <limit> bytes from <fh>.""" |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2293 |
self._fh = fh |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2294 |
self._left = limit |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2295 |
|
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2296 |
def read(self, n=-1): |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2297 |
if not self._left: |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2298 |
return b'' |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2299 |
|
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2300 |
if n < 0: |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2301 |
n = self._left |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2302 |
|
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2303 |
data = self._fh.read(min(n, self._left)) |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2304 |
self._left -= len(data) |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2305 |
assert self._left >= 0 |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2306 |
|
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2307 |
return data |
01e29e885600
util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2308 |
|
37052
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2309 |
def readinto(self, b): |
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2310 |
res = self.read(len(b)) |
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2311 |
if res is None: |
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2312 |
return None |
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2313 |
|
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2314 |
b[0:len(res)] = res |
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2315 |
return len(res) |
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2316 |
|
18735
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2317 |
def unitcountfn(*unittable): |
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2318 |
'''return a function that renders a readable count of some quantity''' |
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2319 |
|
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2320 |
def go(count): |
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2321 |
for multiplier, divisor, format in unittable: |
31946
f3b80537a70d
util: fix human-readable printing of negative byte counts
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
31934
diff
changeset
|
2322 |
if abs(count) >= divisor * multiplier: |
18735
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2323 |
return format % (count / float(divisor)) |
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2324 |
return unittable[-1][2] % count |
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2325 |
|
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2326 |
return go |
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2327 |
|
31662
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2328 |
def processlinerange(fromline, toline): |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2329 |
"""Check that linerange <fromline>:<toline> makes sense and return a |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2330 |
0-based range. |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2331 |
|
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2332 |
>>> processlinerange(10, 20) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2333 |
(9, 20) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2334 |
>>> processlinerange(2, 1) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2335 |
Traceback (most recent call last): |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2336 |
... |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2337 |
ParseError: line range must be positive |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2338 |
>>> processlinerange(0, 5) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2339 |
Traceback (most recent call last): |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2340 |
... |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2341 |
ParseError: fromline must be strictly positive |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2342 |
""" |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2343 |
if toline - fromline < 0: |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2344 |
raise error.ParseError(_("line range must be positive")) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2345 |
if fromline < 1: |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2346 |
raise error.ParseError(_("fromline must be strictly positive")) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2347 |
return fromline - 1, toline |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2348 |
|
18735
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2349 |
bytecount = unitcountfn( |
16397
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2350 |
(100, 1 << 30, _('%.0f GB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2351 |
(10, 1 << 30, _('%.1f GB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2352 |
(1, 1 << 30, _('%.2f GB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2353 |
(100, 1 << 20, _('%.0f MB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2354 |
(10, 1 << 20, _('%.1f MB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2355 |
(1, 1 << 20, _('%.2f MB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2356 |
(100, 1 << 10, _('%.0f KB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2357 |
(10, 1 << 10, _('%.1f KB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2358 |
(1, 1 << 10, _('%.2f KB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2359 |
(1, 1, _('%.0f bytes')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2360 |
) |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2361 |
|
36837
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2362 |
class transformingwriter(object): |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2363 |
"""Writable file wrapper to transform data by function""" |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2364 |
|
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2365 |
def __init__(self, fp, encode): |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2366 |
self._fp = fp |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2367 |
self._encode = encode |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2368 |
|
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2369 |
def close(self): |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2370 |
self._fp.close() |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2371 |
|
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2372 |
def flush(self): |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2373 |
self._fp.flush() |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2374 |
|
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2375 |
def write(self, data): |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2376 |
return self._fp.write(self._encode(data)) |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2377 |
|
31776
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2378 |
# Matches a single EOL which can either be a CRLF where repeated CR |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2379 |
# are removed or a LF. We do not care about old Macintosh files, so a |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2380 |
# stray CR is an error. |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2381 |
_eolre = remod.compile(br'\r*\n') |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2382 |
|
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2383 |
def tolf(s): |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2384 |
return _eolre.sub('\n', s) |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2385 |
|
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2386 |
def tocrlf(s): |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2387 |
return _eolre.sub('\r\n', s) |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2388 |
|
36837
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2389 |
def _crlfwriter(fp): |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2390 |
return transformingwriter(fp, tocrlf) |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2391 |
|
31777
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2392 |
if pycompat.oslinesep == '\r\n': |
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2393 |
tonativeeol = tocrlf |
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2394 |
fromnativeeol = tolf |
36837
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2395 |
nativeeolwriter = _crlfwriter |
31777
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2396 |
else: |
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2397 |
tonativeeol = pycompat.identity |
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2398 |
fromnativeeol = pycompat.identity |
36837
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2399 |
nativeeolwriter = pycompat.identity |
31777
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2400 |
|
30418
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2401 |
if (pyplatform.python_implementation() == 'CPython' and |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2402 |
sys.version_info < (3, 0)): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2403 |
# There is an issue in CPython that some IO methods do not handle EINTR |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2404 |
# correctly. The following table shows what CPython version (and functions) |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2405 |
# are affected (buggy: has the EINTR bug, okay: otherwise): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2406 |
# |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2407 |
# | < 2.7.4 | 2.7.4 to 2.7.12 | >= 3.0 |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2408 |
# -------------------------------------------------- |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2409 |
# fp.__iter__ | buggy | buggy | okay |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2410 |
# fp.read* | buggy | okay [1] | okay |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2411 |
# |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2412 |
# [1]: fixed by changeset 67dc99a989cd in the cpython hg repo. |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2413 |
# |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2414 |
# Here we workaround the EINTR issue for fileobj.__iter__. Other methods |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2415 |
# like "read*" are ignored for now, as Python < 2.7.4 is a minority. |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2416 |
# |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2417 |
# Although we can workaround the EINTR issue for fp.__iter__, it is slower: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2418 |
# "for x in fp" is 4x faster than "for x in iter(fp.readline, '')" in |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2419 |
# CPython 2, because CPython 2 maintains an internal readahead buffer for |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2420 |
# fp.__iter__ but not other fp.read* methods. |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2421 |
# |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2422 |
# On modern systems like Linux, the "read" syscall cannot be interrupted |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2423 |
# when reading "fast" files like on-disk files. So the EINTR issue only |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2424 |
# affects things like pipes, sockets, ttys etc. We treat "normal" (S_ISREG) |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2425 |
# files approximately as "fast" files and use the fast (unsafe) code path, |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2426 |
# to minimize the performance impact. |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2427 |
if sys.version_info >= (2, 7, 4): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2428 |
# fp.readline deals with EINTR correctly, use it as a workaround. |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2429 |
def _safeiterfile(fp): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2430 |
return iter(fp.readline, '') |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2431 |
else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2432 |
# fp.read* are broken too, manually deal with EINTR in a stupid way. |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2433 |
# note: this may block longer than necessary because of bufsize. |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2434 |
def _safeiterfile(fp, bufsize=4096): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2435 |
fd = fp.fileno() |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2436 |
line = '' |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2437 |
while True: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2438 |
try: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2439 |
buf = os.read(fd, bufsize) |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2440 |
except OSError as ex: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2441 |
# os.read only raises EINTR before any data is read |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2442 |
if ex.errno == errno.EINTR: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2443 |
continue |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2444 |
else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2445 |
raise |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2446 |
line += buf |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2447 |
if '\n' in buf: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2448 |
splitted = line.splitlines(True) |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2449 |
line = '' |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2450 |
for l in splitted: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2451 |
if l[-1] == '\n': |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2452 |
yield l |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2453 |
else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2454 |
line = l |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2455 |
if not buf: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2456 |
break |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2457 |
if line: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2458 |
yield line |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2459 |
|
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2460 |
def iterfile(fp): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2461 |
fastpath = True |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2462 |
if type(fp) is file: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2463 |
fastpath = stat.S_ISREG(os.fstat(fp.fileno()).st_mode) |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2464 |
if fastpath: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2465 |
return fp |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2466 |
else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2467 |
return _safeiterfile(fp) |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2468 |
else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2469 |
# PyPy and CPython 3 do not have the EINTR issue thus no workaround needed. |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2470 |
def iterfile(fp): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2471 |
return fp |
30395
10514a92860e
util: add iterfile to workaround a fileobj.__iter__ issue with EINTR
Jun Wu <quark@fb.com>
parents:
30359
diff
changeset
|
2472 |
|
7879
5c4026a289a4
templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents:
7875
diff
changeset
|
2473 |
def iterlines(iterator): |
5c4026a289a4
templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents:
7875
diff
changeset
|
2474 |
for chunk in iterator: |
5c4026a289a4
templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents:
7875
diff
changeset
|
2475 |
for line in chunk.splitlines(): |
5c4026a289a4
templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents:
7875
diff
changeset
|
2476 |
yield line |
9610
d78fe60f6bda
make path expanding more consistent
Alexander Solovyov <piranha@piranha.org.ua>
parents:
9569
diff
changeset
|
2477 |
|
d78fe60f6bda
make path expanding more consistent
Alexander Solovyov <piranha@piranha.org.ua>
parents:
9569
diff
changeset
|
2478 |
def expandpath(path): |
d78fe60f6bda
make path expanding more consistent
Alexander Solovyov <piranha@piranha.org.ua>
parents:
9569
diff
changeset
|
2479 |
return os.path.expanduser(os.path.expandvars(path)) |
10239
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10199
diff
changeset
|
2480 |
|
13392
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2481 |
def interpolate(prefix, mapping, s, fn=None, escape_prefix=False): |
11988
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2482 |
"""Return the result of interpolating items in the mapping into string s. |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2483 |
|
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2484 |
prefix is a single character string, or a two character string with |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2485 |
a backslash as the first character if the prefix needs to be escaped in |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2486 |
a regular expression. |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2487 |
|
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2488 |
fn is an optional function that will be applied to the replacement text |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2489 |
just before replacement. |
13392
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2490 |
|
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2491 |
escape_prefix is an optional flag that allows using doubled prefix for |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2492 |
its escaping. |
11988
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2493 |
""" |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2494 |
fn = fn or (lambda s: s) |
13392
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2495 |
patterns = '|'.join(mapping.keys()) |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2496 |
if escape_prefix: |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2497 |
patterns += '|' + prefix |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2498 |
if len(prefix) > 1: |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2499 |
prefix_char = prefix[1:] |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2500 |
else: |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2501 |
prefix_char = prefix |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2502 |
mapping[prefix_char] = prefix_char |
35145
25c543944bc0
py3: add b'' to regular expressions which are raw strings
Pulkit Goyal <7895pulkit@gmail.com>
parents:
35014
diff
changeset
|
2503 |
r = remod.compile(br'%s(%s)' % (prefix, patterns)) |
11988
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2504 |
return r.sub(lambda x: fn(mapping[x.group()[1:]]), s) |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2505 |
|
12076
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2506 |
def getport(port): |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2507 |
"""Return the port for a given network service. |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2508 |
|
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2509 |
If port is an integer, it's returned as is. If it's a string, it's |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2510 |
looked up using socket.getservbyname(). If there's no matching |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26493
diff
changeset
|
2511 |
service, error.Abort is raised. |
12076
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2512 |
""" |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2513 |
try: |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2514 |
return int(port) |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2515 |
except ValueError: |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2516 |
pass |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2517 |
|
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2518 |
try: |
36038
15c8c4ac5d9c
py3: pass system string to socket.getservbyname
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35900
diff
changeset
|
2519 |
return socket.getservbyname(pycompat.sysstr(port)) |
12076
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2520 |
except socket.error: |
37096
895f209b593b
util: use error.Abort instead of local alias
Yuya Nishihara <yuya@tcha.org>
parents:
37095
diff
changeset
|
2521 |
raise error.Abort(_("no port number associated with service '%s'") |
895f209b593b
util: use error.Abort instead of local alias
Yuya Nishihara <yuya@tcha.org>
parents:
37095
diff
changeset
|
2522 |
% port) |
12087
a88a4720c2f0
parsebool: create new function and use it for config parsing
Augie Fackler <durin42@gmail.com>
parents:
12086
diff
changeset
|
2523 |
|
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2524 |
class url(object): |
14146
1618c4f6f15b
tests: use raw string for url tests of '\' handling
Mads Kiilerich <mads@kiilerich.com>
parents:
14100
diff
changeset
|
2525 |
r"""Reliable URL parser. |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2526 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2527 |
This parses URLs and provides attributes for the following |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2528 |
components: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2529 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2530 |
<scheme>://<user>:<passwd>@<host>:<port>/<path>?<query>#<fragment> |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2531 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2532 |
Missing components are set to None. The only exception is |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2533 |
fragment, which is set to '' if present but empty. |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2534 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2535 |
If parsefragment is False, fragment is included in query. If |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2536 |
parsequery is False, query is included in path. If both are |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2537 |
False, both fragment and query are included in path. |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2538 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2539 |
See http://www.ietf.org/rfc/rfc2396.txt for more information. |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2540 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2541 |
Note that for backward compatibility reasons, bundle URLs do not |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2542 |
take host names. That means 'bundle://../' has a path of '../'. |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2543 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2544 |
Examples: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2545 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2546 |
>>> url(b'http://www.ietf.org/rfc/rfc2396.txt') |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2547 |
<url scheme: 'http', host: 'www.ietf.org', path: 'rfc/rfc2396.txt'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2548 |
>>> url(b'ssh://[::1]:2200//home/joe/repo') |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2549 |
<url scheme: 'ssh', host: '[::1]', port: '2200', path: '/home/joe/repo'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2550 |
>>> url(b'file:///home/joe/repo') |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2551 |
<url scheme: 'file', path: '/home/joe/repo'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2552 |
>>> url(b'file:///c:/temp/foo/') |
14915
28edd65000d9
url: handle urls of the form file:///c:/foo/bar/ correctly
Matt Mackall <mpm@selenic.com>
parents:
14825
diff
changeset
|
2553 |
<url scheme: 'file', path: 'c:/temp/foo/'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2554 |
>>> url(b'bundle:foo') |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2555 |
<url scheme: 'bundle', path: 'foo'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2556 |
>>> url(b'bundle://../foo') |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2557 |
<url scheme: 'bundle', path: '../foo'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2558 |
>>> url(br'c:\foo\bar') |
14146
1618c4f6f15b
tests: use raw string for url tests of '\' handling
Mads Kiilerich <mads@kiilerich.com>
parents:
14100
diff
changeset
|
2559 |
<url path: 'c:\\foo\\bar'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2560 |
>>> url(br'\\blah\blah\blah') |
14699
388af80c058b
url: catch UNC paths as yet another Windows special case (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14640
diff
changeset
|
2561 |
<url path: '\\\\blah\\blah\\blah'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2562 |
>>> url(br'\\blah\blah\blah#baz') |
15074
64fbd0de9773
url: parse fragments first (issue2997)
Matt Mackall <mpm@selenic.com>
parents:
15066
diff
changeset
|
2563 |
<url path: '\\\\blah\\blah\\blah', fragment: 'baz'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2564 |
>>> url(br'file:///C:\users\me') |
20106
c33d9217e99d
util: url keeps backslash in paths
Simon Heimberg <simohe@besonet.ch>
parents:
20000
diff
changeset
|
2565 |
<url scheme: 'file', path: 'C:\\users\\me'> |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2566 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2567 |
Authentication credentials: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2568 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2569 |
>>> url(b'ssh://joe:xyz@x/repo') |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2570 |
<url scheme: 'ssh', user: 'joe', passwd: 'xyz', host: 'x', path: 'repo'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2571 |
>>> url(b'ssh://joe@x/repo') |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2572 |
<url scheme: 'ssh', user: 'joe', host: 'x', path: 'repo'> |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2573 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2574 |
Query strings and fragments: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2575 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2576 |
>>> url(b'http://host/a?b#c') |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2577 |
<url scheme: 'http', host: 'host', path: 'a', query: 'b', fragment: 'c'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2578 |
>>> url(b'http://host/a?b#c', parsequery=False, parsefragment=False) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2579 |
<url scheme: 'http', host: 'host', path: 'a?b#c'> |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2580 |
|
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2581 |
Empty path: |
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2582 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2583 |
>>> url(b'') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2584 |
<url path: ''> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2585 |
>>> url(b'#a') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2586 |
<url path: '', fragment: 'a'> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2587 |
>>> url(b'http://host/') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2588 |
<url scheme: 'http', host: 'host', path: ''> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2589 |
>>> url(b'http://host/#a') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2590 |
<url scheme: 'http', host: 'host', path: '', fragment: 'a'> |
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2591 |
|
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2592 |
Only scheme: |
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2593 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2594 |
>>> url(b'http:') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2595 |
<url scheme: 'http'> |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2596 |
""" |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2597 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2598 |
_safechars = "!~*'()+" |
20106
c33d9217e99d
util: url keeps backslash in paths
Simon Heimberg <simohe@besonet.ch>
parents:
20000
diff
changeset
|
2599 |
_safepchars = "/!~*'()+:\\" |
30329
dadb00a0ec0f
util: use '\\' rather than using r'\'
Augie Fackler <augie@google.com>
parents:
30328
diff
changeset
|
2600 |
_matchscheme = remod.compile('^[a-zA-Z0-9+.\\-]+:').match |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2601 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2602 |
def __init__(self, path, parsequery=True, parsefragment=True): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2603 |
# We slowly chomp away at path until we have only the path left |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2604 |
self.scheme = self.user = self.passwd = self.host = None |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2605 |
self.port = self.path = self.query = self.fragment = None |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2606 |
self._localpath = True |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2607 |
self._hostport = '' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2608 |
self._origpath = path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2609 |
|
15074
64fbd0de9773
url: parse fragments first (issue2997)
Matt Mackall <mpm@selenic.com>
parents:
15066
diff
changeset
|
2610 |
if parsefragment and '#' in path: |
64fbd0de9773
url: parse fragments first (issue2997)
Matt Mackall <mpm@selenic.com>
parents:
15066
diff
changeset
|
2611 |
path, self.fragment = path.split('#', 1) |
64fbd0de9773
url: parse fragments first (issue2997)
Matt Mackall <mpm@selenic.com>
parents:
15066
diff
changeset
|
2612 |
|
14699
388af80c058b
url: catch UNC paths as yet another Windows special case (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14640
diff
changeset
|
2613 |
# special case for Windows drive letters and UNC paths |
30329
dadb00a0ec0f
util: use '\\' rather than using r'\'
Augie Fackler <augie@google.com>
parents:
30328
diff
changeset
|
2614 |
if hasdriveletter(path) or path.startswith('\\\\'): |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2615 |
self.path = path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2616 |
return |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2617 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2618 |
# For compatibility reasons, we can't handle bundle paths as |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2619 |
# normal URLS |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2620 |
if path.startswith('bundle:'): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2621 |
self.scheme = 'bundle' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2622 |
path = path[7:] |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2623 |
if path.startswith('//'): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2624 |
path = path[2:] |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2625 |
self.path = path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2626 |
return |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2627 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2628 |
if self._matchscheme(path): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2629 |
parts = path.split(':', 1) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2630 |
if parts[0]: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2631 |
self.scheme, path = parts |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2632 |
self._localpath = False |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2633 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2634 |
if not path: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2635 |
path = None |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2636 |
if self._localpath: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2637 |
self.path = '' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2638 |
return |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2639 |
else: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2640 |
if self._localpath: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2641 |
self.path = path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2642 |
return |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2643 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2644 |
if parsequery and '?' in path: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2645 |
path, self.query = path.split('?', 1) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2646 |
if not path: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2647 |
path = None |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2648 |
if not self.query: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2649 |
self.query = None |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2650 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2651 |
# // is required to specify a host/authority |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2652 |
if path and path.startswith('//'): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2653 |
parts = path[2:].split('/', 1) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2654 |
if len(parts) > 1: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2655 |
self.host, path = parts |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2656 |
else: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2657 |
self.host = parts[0] |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2658 |
path = None |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2659 |
if not self.host: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2660 |
self.host = None |
15018
e89f62dcd723
url: really handle urls of the form file:///c:/foo/bar/ correctly
Mads Kiilerich <mads@kiilerich.com>
parents:
14988
diff
changeset
|
2661 |
# path of file:///d is /d |
e89f62dcd723
url: really handle urls of the form file:///c:/foo/bar/ correctly
Mads Kiilerich <mads@kiilerich.com>
parents:
14988
diff
changeset
|
2662 |
# path of file:///d:/ is d:/, not /d:/ |
14915
28edd65000d9
url: handle urls of the form file:///c:/foo/bar/ correctly
Matt Mackall <mpm@selenic.com>
parents:
14825
diff
changeset
|
2663 |
if path and not hasdriveletter(path): |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2664 |
path = '/' + path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2665 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2666 |
if self.host and '@' in self.host: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2667 |
self.user, self.host = self.host.rsplit('@', 1) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2668 |
if ':' in self.user: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2669 |
self.user, self.passwd = self.user.split(':', 1) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2670 |
if not self.host: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2671 |
self.host = None |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2672 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2673 |
# Don't split on colons in IPv6 addresses without ports |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2674 |
if (self.host and ':' in self.host and |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2675 |
not (self.host.startswith('[') and self.host.endswith(']'))): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2676 |
self._hostport = self.host |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2677 |
self.host, self.port = self.host.rsplit(':', 1) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2678 |
if not self.host: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2679 |
self.host = None |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2680 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2681 |
if (self.host and self.scheme == 'file' and |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2682 |
self.host not in ('localhost', '127.0.0.1', '[::1]')): |
37096
895f209b593b
util: use error.Abort instead of local alias
Yuya Nishihara <yuya@tcha.org>
parents:
37095
diff
changeset
|
2683 |
raise error.Abort(_('file:// URLs can only refer to localhost')) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2684 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2685 |
self.path = path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2686 |
|
14988
e6730f9e13bc
url: store and assume the query part of an url is in escaped form (issue2921)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14915
diff
changeset
|
2687 |
# leave the query string escaped |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2688 |
for a in ('user', 'passwd', 'host', 'port', |
14988
e6730f9e13bc
url: store and assume the query part of an url is in escaped form (issue2921)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14915
diff
changeset
|
2689 |
'path', 'fragment'): |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2690 |
v = getattr(self, a) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2691 |
if v is not None: |
31567
4ebecf331d7d
util: use urlreq.unquote
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31541
diff
changeset
|
2692 |
setattr(self, a, urlreq.unquote(v)) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2693 |
|
34072
30535fe47e78
py3: fix repr(util.url) to return system string
Yuya Nishihara <yuya@tcha.org>
parents:
34052
diff
changeset
|
2694 |
@encoding.strmethod |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2695 |
def __repr__(self): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2696 |
attrs = [] |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2697 |
for a in ('scheme', 'user', 'passwd', 'host', 'port', 'path', |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2698 |
'query', 'fragment'): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2699 |
v = getattr(self, a) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2700 |
if v is not None: |
37873
bb1b15acfd06
util: make util.url __repr__ consistent on Python 2 and 3
Augie Fackler <augie@google.com>
parents:
37844
diff
changeset
|
2701 |
attrs.append('%s: %r' % (a, pycompat.bytestr(v))) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2702 |
return '<url %s>' % ', '.join(attrs) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2703 |
|
33022
ce96efec8112
py3: add utility to forward __str__() to __bytes__()
Yuya Nishihara <yuya@tcha.org>
parents:
32886
diff
changeset
|
2704 |
def __bytes__(self): |
14147
617483af1cc0
test: test that backslash is preserved by the url class
Mads Kiilerich <mads@kiilerich.com>
parents:
14146
diff
changeset
|
2705 |
r"""Join the URL's components back into a URL string. |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2706 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2707 |
Examples: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2708 |
|
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2709 |
>>> bytes(url(b'http://user:pw@host:80/c:/bob?fo:oo#ba:ar')) |
15452
de7e2fba4326
util: don't encode ':' in url paths
Mads Kiilerich <mads@kiilerich.com>
parents:
15392
diff
changeset
|
2710 |
'http://user:pw@host:80/c:/bob?fo:oo#ba:ar' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2711 |
>>> bytes(url(b'http://user:pw@host:80/?foo=bar&baz=42')) |
14988
e6730f9e13bc
url: store and assume the query part of an url is in escaped form (issue2921)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14915
diff
changeset
|
2712 |
'http://user:pw@host:80/?foo=bar&baz=42' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2713 |
>>> bytes(url(b'http://user:pw@host:80/?foo=bar%3dbaz')) |
14988
e6730f9e13bc
url: store and assume the query part of an url is in escaped form (issue2921)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14915
diff
changeset
|
2714 |
'http://user:pw@host:80/?foo=bar%3dbaz' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2715 |
>>> bytes(url(b'ssh://user:pw@[::1]:2200//home/joe#')) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2716 |
'ssh://user:pw@[::1]:2200//home/joe#' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2717 |
>>> bytes(url(b'http://localhost:80//')) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2718 |
'http://localhost:80//' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2719 |
>>> bytes(url(b'http://localhost:80/')) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2720 |
'http://localhost:80/' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2721 |
>>> bytes(url(b'http://localhost:80')) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2722 |
'http://localhost:80/' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2723 |
>>> bytes(url(b'bundle:foo')) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2724 |
'bundle:foo' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2725 |
>>> bytes(url(b'bundle://../foo')) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2726 |
'bundle:../foo' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2727 |
>>> bytes(url(b'path')) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2728 |
'path' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2729 |
>>> bytes(url(b'file:///tmp/foo/bar')) |
14313
a389dd285282
util: make str(url) return file:/// for abs paths again
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14271
diff
changeset
|
2730 |
'file:///tmp/foo/bar' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2731 |
>>> bytes(url(b'file:///c:/tmp/foo/bar')) |
15611 | 2732 |
'file:///c:/tmp/foo/bar' |
34137
a8994d08e4a2
doctest: use print_function and convert bytes to unicode where needed
Yuya Nishihara <yuya@tcha.org>
parents:
34134
diff
changeset
|
2733 |
>>> print(url(br'bundle:foo\bar')) |
14147
617483af1cc0
test: test that backslash is preserved by the url class
Mads Kiilerich <mads@kiilerich.com>
parents:
14146
diff
changeset
|
2734 |
bundle:foo\bar |
34137
a8994d08e4a2
doctest: use print_function and convert bytes to unicode where needed
Yuya Nishihara <yuya@tcha.org>
parents:
34134
diff
changeset
|
2735 |
>>> print(url(br'file:///D:\data\hg')) |
20106
c33d9217e99d
util: url keeps backslash in paths
Simon Heimberg <simohe@besonet.ch>
parents:
20000
diff
changeset
|
2736 |
file:///D:\data\hg |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2737 |
""" |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2738 |
if self._localpath: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2739 |
s = self.path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2740 |
if self.scheme == 'bundle': |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2741 |
s = 'bundle:' + s |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2742 |
if self.fragment: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2743 |
s += '#' + self.fragment |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2744 |
return s |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2745 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2746 |
s = self.scheme + ':' |
14313
a389dd285282
util: make str(url) return file:/// for abs paths again
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14271
diff
changeset
|
2747 |
if self.user or self.passwd or self.host: |
a389dd285282
util: make str(url) return file:/// for abs paths again
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14271
diff
changeset
|
2748 |
s += '//' |
15609
8f4bad72d8b1
util: fix url.__str__() for windows file URLs
Patrick Mezard <pmezard@gmail.com>
parents:
15505
diff
changeset
|
2749 |
elif self.scheme and (not self.path or self.path.startswith('/') |
8f4bad72d8b1
util: fix url.__str__() for windows file URLs
Patrick Mezard <pmezard@gmail.com>
parents:
15505
diff
changeset
|
2750 |
or hasdriveletter(self.path)): |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2751 |
s += '//' |
15609
8f4bad72d8b1
util: fix url.__str__() for windows file URLs
Patrick Mezard <pmezard@gmail.com>
parents:
15505
diff
changeset
|
2752 |
if hasdriveletter(self.path): |
8f4bad72d8b1
util: fix url.__str__() for windows file URLs
Patrick Mezard <pmezard@gmail.com>
parents:
15505
diff
changeset
|
2753 |
s += '/' |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2754 |
if self.user: |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28882
diff
changeset
|
2755 |
s += urlreq.quote(self.user, safe=self._safechars) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2756 |
if self.passwd: |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28882
diff
changeset
|
2757 |
s += ':' + urlreq.quote(self.passwd, safe=self._safechars) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2758 |
if self.user or self.passwd: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2759 |
s += '@' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2760 |
if self.host: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2761 |
if not (self.host.startswith('[') and self.host.endswith(']')): |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28882
diff
changeset
|
2762 |
s += urlreq.quote(self.host) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2763 |
else: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2764 |
s += self.host |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2765 |
if self.port: |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28882
diff
changeset
|
2766 |
s += ':' + urlreq.quote(self.port) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2767 |
if self.host: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2768 |
s += '/' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2769 |
if self.path: |
14988
e6730f9e13bc
url: store and assume the query part of an url is in escaped form (issue2921)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14915
diff
changeset
|
2770 |
# TODO: similar to the query string, we should not unescape the |
e6730f9e13bc
url: store and assume the query part of an url is in escaped form (issue2921)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14915
diff
changeset
|
2771 |
# path when we store it, the path might contain '%2f' = '/', |
e6730f9e13bc
url: store and assume the query part of an url is in escaped form (issue2921)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14915
diff
changeset
|
2772 |
# which we should *not* escape. |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28882
diff
changeset
|
2773 |
s += urlreq.quote(self.path, safe=self._safepchars) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2774 |
if self.query: |
14988
e6730f9e13bc
url: store and assume the query part of an url is in escaped form (issue2921)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14915
diff
changeset
|
2775 |
# we store the query in escaped form. |
e6730f9e13bc
url: store and assume the query part of an url is in escaped form (issue2921)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14915
diff
changeset
|
2776 |
s += '?' + self.query |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2777 |
if self.fragment is not None: |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28882
diff
changeset
|
2778 |
s += '#' + urlreq.quote(self.fragment, safe=self._safepchars) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2779 |
return s |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2780 |
|
33022
ce96efec8112
py3: add utility to forward __str__() to __bytes__()
Yuya Nishihara <yuya@tcha.org>
parents:
32886
diff
changeset
|
2781 |
__str__ = encoding.strmethod(__bytes__) |
ce96efec8112
py3: add utility to forward __str__() to __bytes__()
Yuya Nishihara <yuya@tcha.org>
parents:
32886
diff
changeset
|
2782 |
|
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2783 |
def authinfo(self): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2784 |
user, passwd = self.user, self.passwd |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2785 |
try: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2786 |
self.user, self.passwd = None, None |
31841
9ff5a124d111
py3: replace str() with bytes()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
31811
diff
changeset
|
2787 |
s = bytes(self) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2788 |
finally: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2789 |
self.user, self.passwd = user, passwd |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2790 |
if not self.user: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2791 |
return (s, None) |
15028
eb97a3e38656
http: explain why the host is passed to urllib2 password manager
Patrick Mezard <pmezard@gmail.com>
parents:
15027
diff
changeset
|
2792 |
# authinfo[1] is passed to urllib2 password manager, and its |
eb97a3e38656
http: explain why the host is passed to urllib2 password manager
Patrick Mezard <pmezard@gmail.com>
parents:
15027
diff
changeset
|
2793 |
# URIs must not contain credentials. The host is passed in the |
eb97a3e38656
http: explain why the host is passed to urllib2 password manager
Patrick Mezard <pmezard@gmail.com>
parents:
15027
diff
changeset
|
2794 |
# URIs list because Python < 2.4.3 uses only that to search for |
eb97a3e38656
http: explain why the host is passed to urllib2 password manager
Patrick Mezard <pmezard@gmail.com>
parents:
15027
diff
changeset
|
2795 |
# a password. |
15024
0f1311e829c9
http: strip credentials from urllib2 manager URIs (issue2885)
Patrick Mezard <pmezard@gmail.com>
parents:
15018
diff
changeset
|
2796 |
return (s, (None, (s, self.host), |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2797 |
self.user, self.passwd or '')) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2798 |
|
14766
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2799 |
def isabs(self): |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2800 |
if self.scheme and self.scheme != 'file': |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2801 |
return True # remote URL |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2802 |
if hasdriveletter(self.path): |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2803 |
return True # absolute for our purposes - can't be joined() |
33096
d9962854a4a2
py3: add b'' to make the regex pattern bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33094
diff
changeset
|
2804 |
if self.path.startswith(br'\\'): |
14766
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2805 |
return True # Windows UNC path |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2806 |
if self.path.startswith('/'): |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2807 |
return True # POSIX-style |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2808 |
return False |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2809 |
|
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2810 |
def localpath(self): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2811 |
if self.scheme == 'file' or self.scheme == 'bundle': |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2812 |
path = self.path or '/' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2813 |
# For Windows, we need to promote hosts containing drive |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2814 |
# letters to paths with drive letters. |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2815 |
if hasdriveletter(self._hostport): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2816 |
path = self._hostport + '/' + self.path |
15496
396e83d635a6
url: handle file://localhost/c:/foo "correctly"
Mads Kiilerich <mads@kiilerich.com>
parents:
15488
diff
changeset
|
2817 |
elif (self.host is not None and self.path |
396e83d635a6
url: handle file://localhost/c:/foo "correctly"
Mads Kiilerich <mads@kiilerich.com>
parents:
15488
diff
changeset
|
2818 |
and not hasdriveletter(path)): |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2819 |
path = '/' + path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2820 |
return path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2821 |
return self._origpath |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2822 |
|
20353
0889585b44f1
util.url: add an 'islocal' method
Siddharth Agarwal <sid0@fb.com>
parents:
20244
diff
changeset
|
2823 |
def islocal(self): |
0889585b44f1
util.url: add an 'islocal' method
Siddharth Agarwal <sid0@fb.com>
parents:
20244
diff
changeset
|
2824 |
'''whether localpath will return something that posixfile can open''' |
0889585b44f1
util.url: add an 'islocal' method
Siddharth Agarwal <sid0@fb.com>
parents:
20244
diff
changeset
|
2825 |
return (not self.scheme or self.scheme == 'file' |
0889585b44f1
util.url: add an 'islocal' method
Siddharth Agarwal <sid0@fb.com>
parents:
20244
diff
changeset
|
2826 |
or self.scheme == 'bundle') |
0889585b44f1
util.url: add an 'islocal' method
Siddharth Agarwal <sid0@fb.com>
parents:
20244
diff
changeset
|
2827 |
|
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2828 |
def hasscheme(path): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2829 |
return bool(url(path).scheme) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2830 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2831 |
def hasdriveletter(path): |
15609
8f4bad72d8b1
util: fix url.__str__() for windows file URLs
Patrick Mezard <pmezard@gmail.com>
parents:
15505
diff
changeset
|
2832 |
return path and path[1:2] == ':' and path[0:1].isalpha() |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2833 |
|
14825
de9eb6b1da4f
util: rename the util.localpath that uses url to urllocalpath (issue2875)
Mads Kiilerich <mads@kiilerich.com>
parents:
14766
diff
changeset
|
2834 |
def urllocalpath(path): |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2835 |
return url(path, parsequery=False, parsefragment=False).localpath() |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2836 |
|
33650
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2837 |
def checksafessh(path): |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2838 |
"""check if a path / url is a potentially unsafe ssh exploit (SEC) |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2839 |
|
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2840 |
This is a sanity check for ssh urls. ssh will parse the first item as |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2841 |
an option; e.g. ssh://-oProxyCommand=curl${IFS}bad.server|sh/path. |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2842 |
Let's prevent these potentially exploited urls entirely and warn the |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2843 |
user. |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2844 |
|
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2845 |
Raises an error.Abort when the url is unsafe. |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2846 |
""" |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2847 |
path = urlreq.unquote(path) |
33660
3fee7f7d2da0
ssh: unban the use of pipe character in user@host:port string
Yuya Nishihara <yuya@tcha.org>
parents:
33657
diff
changeset
|
2848 |
if path.startswith('ssh://-') or path.startswith('svn+ssh://-'): |
33650
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2849 |
raise error.Abort(_('potentially unsafe url: %r') % |
36724
ca201470abb4
util: fix unsafe url abort with bytestr() on url
Augie Fackler <augie@google.com>
parents:
36701
diff
changeset
|
2850 |
(pycompat.bytestr(path),)) |
33650
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2851 |
|
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2852 |
def hidepassword(u): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2853 |
'''hide user credential in a url string''' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2854 |
u = url(u) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2855 |
if u.passwd: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2856 |
u.passwd = '***' |
31841
9ff5a124d111
py3: replace str() with bytes()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
31811
diff
changeset
|
2857 |
return bytes(u) |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2858 |
|
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2859 |
def removeauth(u): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2860 |
'''remove all authentication information from a url string''' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2861 |
u = url(u) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2862 |
u.user = u.passwd = None |
37366
b23e3cc1afd4
py3: return bytes from util.removeauth()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
37322
diff
changeset
|
2863 |
return bytes(u) |
14515
76f295eaed86
util: add helper function isatty(fd) to check for tty-ness
Idan Kamara <idankk86@gmail.com>
parents:
14313
diff
changeset
|
2864 |
|
18736
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2865 |
timecount = unitcountfn( |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2866 |
(1, 1e3, _('%.0f s')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2867 |
(100, 1, _('%.1f s')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2868 |
(10, 1, _('%.2f s')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2869 |
(1, 1, _('%.3f s')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2870 |
(100, 0.001, _('%.1f ms')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2871 |
(10, 0.001, _('%.2f ms')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2872 |
(1, 0.001, _('%.3f ms')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2873 |
(100, 0.000001, _('%.1f us')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2874 |
(10, 0.000001, _('%.2f us')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2875 |
(1, 0.000001, _('%.3f us')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2876 |
(100, 0.000000001, _('%.1f ns')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2877 |
(10, 0.000000001, _('%.2f ns')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2878 |
(1, 0.000000001, _('%.3f ns')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2879 |
) |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2880 |
|
38797
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2881 |
@attr.s |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2882 |
class timedcmstats(object): |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2883 |
"""Stats information produced by the timedcm context manager on entering.""" |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2884 |
|
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2885 |
# the starting value of the timer as a float (meaning and resulution is |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2886 |
# platform dependent, see util.timer) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2887 |
start = attr.ib(default=attr.Factory(lambda: timer())) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2888 |
# the number of seconds as a floating point value; starts at 0, updated when |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2889 |
# the context is exited. |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2890 |
elapsed = attr.ib(default=0) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2891 |
# the number of nested timedcm context managers. |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2892 |
level = attr.ib(default=1) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2893 |
|
38812
9d49bb117dde
util: make new timedcmstats class Python 3 compatible
Martijn Pieters <mj@zopatista.com>
parents:
38797
diff
changeset
|
2894 |
def __bytes__(self): |
38797
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2895 |
return timecount(self.elapsed) if self.elapsed else '<unknown>' |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2896 |
|
38812
9d49bb117dde
util: make new timedcmstats class Python 3 compatible
Martijn Pieters <mj@zopatista.com>
parents:
38797
diff
changeset
|
2897 |
__str__ = encoding.strmethod(__bytes__) |
9d49bb117dde
util: make new timedcmstats class Python 3 compatible
Martijn Pieters <mj@zopatista.com>
parents:
38797
diff
changeset
|
2898 |
|
38797
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2899 |
@contextlib.contextmanager |
39259
e00123f63410
util: make timedcm require the label (API)
Augie Fackler <augie@google.com>
parents:
39258
diff
changeset
|
2900 |
def timedcm(whencefmt, *whenceargs): |
38797
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2901 |
"""A context manager that produces timing information for a given context. |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2902 |
|
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2903 |
On entering a timedcmstats instance is produced. |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2904 |
|
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2905 |
This context manager is reentrant. |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2906 |
|
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2907 |
""" |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2908 |
# track nested context managers |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2909 |
timedcm._nested += 1 |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2910 |
timing_stats = timedcmstats(level=timedcm._nested) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2911 |
try: |
39257
497effb0a04a
util: make timedcm context manager also emit trace events
Augie Fackler <augie@google.com>
parents:
39209
diff
changeset
|
2912 |
with tracing.log(whencefmt, *whenceargs): |
497effb0a04a
util: make timedcm context manager also emit trace events
Augie Fackler <augie@google.com>
parents:
39209
diff
changeset
|
2913 |
yield timing_stats |
38797
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2914 |
finally: |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2915 |
timing_stats.elapsed = timer() - timing_stats.start |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2916 |
timedcm._nested -= 1 |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2917 |
|
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2918 |
timedcm._nested = 0 |
18736
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2919 |
|
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2920 |
def timed(func): |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2921 |
'''Report the execution time of a function call to stderr. |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2922 |
|
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2923 |
During development, use as a decorator when you need to measure |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2924 |
the cost of a function, e.g. as follows: |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2925 |
|
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2926 |
@util.timed |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2927 |
def foo(a, b, c): |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2928 |
pass |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2929 |
''' |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2930 |
|
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2931 |
def wrapper(*args, **kwargs): |
39258
331ab85e910b
cleanup: make all uses of timedcm specify what they're timing
Augie Fackler <augie@google.com>
parents:
39257
diff
changeset
|
2932 |
with timedcm(pycompat.bytestr(func.__name__)) as time_stats: |
38797
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2933 |
result = func(*args, **kwargs) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2934 |
stderr = procutil.stderr |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2935 |
stderr.write('%s%s: %s\n' % ( |
38812
9d49bb117dde
util: make new timedcmstats class Python 3 compatible
Martijn Pieters <mj@zopatista.com>
parents:
38797
diff
changeset
|
2936 |
' ' * time_stats.level * 2, pycompat.bytestr(func.__name__), |
9d49bb117dde
util: make new timedcmstats class Python 3 compatible
Martijn Pieters <mj@zopatista.com>
parents:
38797
diff
changeset
|
2937 |
time_stats)) |
38797
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2938 |
return result |
18736
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2939 |
return wrapper |
19194
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2940 |
|
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2941 |
_sizeunits = (('m', 2**20), ('k', 2**10), ('g', 2**30), |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2942 |
('kb', 2**10), ('mb', 2**20), ('gb', 2**30), ('b', 1)) |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2943 |
|
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2944 |
def sizetoint(s): |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2945 |
'''Convert a space specifier to a byte count. |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2946 |
|
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2947 |
>>> sizetoint(b'30') |
19194
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2948 |
30 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2949 |
>>> sizetoint(b'2.2kb') |
19194
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2950 |
2252 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2951 |
>>> sizetoint(b'6M') |
19194
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2952 |
6291456 |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2953 |
''' |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2954 |
t = s.strip().lower() |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2955 |
try: |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2956 |
for k, u in _sizeunits: |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2957 |
if t.endswith(k): |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2958 |
return int(float(t[:-len(k)]) * u) |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2959 |
return int(t) |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2960 |
except ValueError: |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2961 |
raise error.ParseError(_("couldn't parse size: %s") % s) |
19211
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2962 |
|
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2963 |
class hooks(object): |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2964 |
'''A collection of hook functions that can be used to extend a |
26098 | 2965 |
function's behavior. Hooks are called in lexicographic order, |
19211
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2966 |
based on the names of their sources.''' |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2967 |
|
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2968 |
def __init__(self): |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2969 |
self._hooks = [] |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2970 |
|
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2971 |
def add(self, source, hook): |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2972 |
self._hooks.append((source, hook)) |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2973 |
|
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2974 |
def __call__(self, *args): |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2975 |
self._hooks.sort(key=lambda x: x[0]) |
21046
cc13addbd62b
util: enable "hooks" to return list of the values returned from each hooks
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
21018
diff
changeset
|
2976 |
results = [] |
19211
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2977 |
for source, hook in self._hooks: |
21046
cc13addbd62b
util: enable "hooks" to return list of the values returned from each hooks
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
21018
diff
changeset
|
2978 |
results.append(hook(*args)) |
cc13addbd62b
util: enable "hooks" to return list of the values returned from each hooks
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
21018
diff
changeset
|
2979 |
return results |
20244
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
2980 |
|
36129
2874896a6e3b
util: format line number of stack trace using %d
Augie Fackler <augie@google.com>
parents:
36128
diff
changeset
|
2981 |
def getstackframes(skip=0, line=' %-*s in %s\n', fileline='%s:%d', depth=0): |
28497
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2982 |
'''Yields lines for a nicely formatted stacktrace. |
31315
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
2983 |
Skips the 'skip' last entries, then return the last 'depth' entries. |
28497
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2984 |
Each file+linenumber is formatted according to fileline. |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2985 |
Each line is formatted according to line. |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2986 |
If line is None, it yields: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2987 |
length of longest filepath+line number, |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2988 |
filepath+linenumber, |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2989 |
function |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2990 |
|
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2991 |
Not be used in production code but very convenient while developing. |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2992 |
''' |
36130
7ec26f27ca83
util: convert traceback-related sysstrs to sysbytes in getstackframes
Augie Fackler <augie@google.com>
parents:
36129
diff
changeset
|
2993 |
entries = [(fileline % (pycompat.sysbytes(fn), ln), pycompat.sysbytes(func)) |
31315
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
2994 |
for fn, ln, func, _text in traceback.extract_stack()[:-skip - 1] |
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
2995 |
][-depth:] |
28497
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2996 |
if entries: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2997 |
fnmax = max(len(entry[0]) for entry in entries) |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2998 |
for fnln, func in entries: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2999 |
if line is None: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
3000 |
yield (fnmax, fnln, func) |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
3001 |
else: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
3002 |
yield line % (fnmax, fnln, func) |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
3003 |
|
31315
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
3004 |
def debugstacktrace(msg='stacktrace', skip=0, |
37118
5be286db5fb5
procutil: move process/executable management functions to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37117
diff
changeset
|
3005 |
f=procutil.stderr, otherf=procutil.stdout, depth=0): |
20244
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
3006 |
'''Writes a message to f (stderr) with a nicely formatted stacktrace. |
31315
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
3007 |
Skips the 'skip' entries closest to the call, then show 'depth' entries. |
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
3008 |
By default it will flush stdout first. |
28496
b592564a803c
util: reword debugstacktrace comment
timeless <timeless@mozdev.org>
parents:
28027
diff
changeset
|
3009 |
It can be used everywhere and intentionally does not require an ui object. |
20244
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
3010 |
Not be used in production code but very convenient while developing. |
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
3011 |
''' |
20542
be27652675ce
util: debugstacktrace, flush before and after writing
Mads Kiilerich <madski@unity3d.com>
parents:
20353
diff
changeset
|
3012 |
if otherf: |
be27652675ce
util: debugstacktrace, flush before and after writing
Mads Kiilerich <madski@unity3d.com>
parents:
20353
diff
changeset
|
3013 |
otherf.flush() |
31314
7c877cbf30d6
util: strip trailing newline from debugstacktrace message
Mads Kiilerich <madski@unity3d.com>
parents:
31141
diff
changeset
|
3014 |
f.write('%s at:\n' % msg.rstrip()) |
31315
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
3015 |
for line in getstackframes(skip + 1, depth=depth): |
28497
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
3016 |
f.write(line) |
20542
be27652675ce
util: debugstacktrace, flush before and after writing
Mads Kiilerich <madski@unity3d.com>
parents:
20353
diff
changeset
|
3017 |
f.flush() |
20244
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
3018 |
|
24635
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3019 |
class dirs(object): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3020 |
'''a multiset of directory names from a dirstate or manifest''' |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3021 |
|
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3022 |
def __init__(self, map, skip=None): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3023 |
self._dirs = {} |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3024 |
addpath = self.addpath |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3025 |
if safehasattr(map, 'iteritems') and skip is not None: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3026 |
for f, s in map.iteritems(): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3027 |
if s[0] != skip: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3028 |
addpath(f) |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3029 |
else: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3030 |
for f in map: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3031 |
addpath(f) |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3032 |
|
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3033 |
def addpath(self, path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3034 |
dirs = self._dirs |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3035 |
for base in finddirs(path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3036 |
if base in dirs: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3037 |
dirs[base] += 1 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3038 |
return |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3039 |
dirs[base] = 1 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3040 |
|
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3041 |
def delpath(self, path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3042 |
dirs = self._dirs |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3043 |
for base in finddirs(path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3044 |
if dirs[base] > 1: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3045 |
dirs[base] -= 1 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3046 |
return |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3047 |
del dirs[base] |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3048 |
|
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3049 |
def __iter__(self): |
31430
807387581d89
py3: use iter() instead of iterkeys()
Rishabh Madan <rishabhmadan96@gmail.com>
parents:
31404
diff
changeset
|
3050 |
return iter(self._dirs) |
24635
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3051 |
|
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3052 |
def __contains__(self, d): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3053 |
return d in self._dirs |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3054 |
|
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3055 |
if safehasattr(parsers, 'dirs'): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3056 |
dirs = parsers.dirs |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3057 |
|
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3058 |
def finddirs(path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3059 |
pos = path.rfind('/') |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3060 |
while pos != -1: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3061 |
yield path[:pos] |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3062 |
pos = path.rfind('/', 0, pos) |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3063 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3064 |
# compression code |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3065 |
|
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3066 |
SERVERROLE = 'server' |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3067 |
CLIENTROLE = 'client' |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3068 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3069 |
compewireprotosupport = collections.namedtuple(u'compenginewireprotosupport', |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3070 |
(u'name', u'serverpriority', |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3071 |
u'clientpriority')) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3072 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3073 |
class compressormanager(object): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3074 |
"""Holds registrations of various compression engines. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3075 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3076 |
This class essentially abstracts the differences between compression |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3077 |
engines to allow new compression formats to be added easily, possibly from |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3078 |
extensions. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3079 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3080 |
Compressors are registered against the global instance by calling its |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3081 |
``register()`` method. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3082 |
""" |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3083 |
def __init__(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3084 |
self._engines = {} |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3085 |
# Bundle spec human name to engine name. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3086 |
self._bundlenames = {} |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3087 |
# Internal bundle identifier to engine name. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3088 |
self._bundletypes = {} |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3089 |
# Revlog header to engine name. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3090 |
self._revlogheaders = {} |
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3091 |
# Wire proto identifier to engine name. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3092 |
self._wiretypes = {} |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3093 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3094 |
def __getitem__(self, key): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3095 |
return self._engines[key] |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3096 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3097 |
def __contains__(self, key): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3098 |
return key in self._engines |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3099 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3100 |
def __iter__(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3101 |
return iter(self._engines.keys()) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3102 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3103 |
def register(self, engine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3104 |
"""Register a compression engine with the manager. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3105 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3106 |
The argument must be a ``compressionengine`` instance. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3107 |
""" |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3108 |
if not isinstance(engine, compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3109 |
raise ValueError(_('argument must be a compressionengine')) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3110 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3111 |
name = engine.name() |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3112 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3113 |
if name in self._engines: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3114 |
raise error.Abort(_('compression engine %s already registered') % |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3115 |
name) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3116 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3117 |
bundleinfo = engine.bundletype() |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3118 |
if bundleinfo: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3119 |
bundlename, bundletype = bundleinfo |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3120 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3121 |
if bundlename in self._bundlenames: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3122 |
raise error.Abort(_('bundle name %s already registered') % |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3123 |
bundlename) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3124 |
if bundletype in self._bundletypes: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3125 |
raise error.Abort(_('bundle type %s already registered by %s') % |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3126 |
(bundletype, self._bundletypes[bundletype])) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3127 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3128 |
# No external facing name declared. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3129 |
if bundlename: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3130 |
self._bundlenames[bundlename] = name |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3131 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3132 |
self._bundletypes[bundletype] = name |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3133 |
|
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3134 |
wiresupport = engine.wireprotosupport() |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3135 |
if wiresupport: |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3136 |
wiretype = wiresupport.name |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3137 |
if wiretype in self._wiretypes: |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3138 |
raise error.Abort(_('wire protocol compression %s already ' |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3139 |
'registered by %s') % |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3140 |
(wiretype, self._wiretypes[wiretype])) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3141 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3142 |
self._wiretypes[wiretype] = name |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3143 |
|
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3144 |
revlogheader = engine.revlogheader() |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3145 |
if revlogheader and revlogheader in self._revlogheaders: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3146 |
raise error.Abort(_('revlog header %s already registered by %s') % |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3147 |
(revlogheader, self._revlogheaders[revlogheader])) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3148 |
|
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3149 |
if revlogheader: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3150 |
self._revlogheaders[revlogheader] = name |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3151 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3152 |
self._engines[name] = engine |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3153 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3154 |
@property |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3155 |
def supportedbundlenames(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3156 |
return set(self._bundlenames.keys()) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3157 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3158 |
@property |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3159 |
def supportedbundletypes(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3160 |
return set(self._bundletypes.keys()) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3161 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3162 |
def forbundlename(self, bundlename): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3163 |
"""Obtain a compression engine registered to a bundle name. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3164 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3165 |
Will raise KeyError if the bundle type isn't registered. |
30438
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3166 |
|
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3167 |
Will abort if the engine is known but not available. |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3168 |
""" |
30438
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3169 |
engine = self._engines[self._bundlenames[bundlename]] |
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3170 |
if not engine.available(): |
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3171 |
raise error.Abort(_('compression engine %s could not be loaded') % |
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3172 |
engine.name()) |
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3173 |
return engine |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3174 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3175 |
def forbundletype(self, bundletype): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3176 |
"""Obtain a compression engine registered to a bundle type. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3177 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3178 |
Will raise KeyError if the bundle type isn't registered. |
30438
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3179 |
|
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3180 |
Will abort if the engine is known but not available. |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3181 |
""" |
30438
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3182 |
engine = self._engines[self._bundletypes[bundletype]] |
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3183 |
if not engine.available(): |
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3184 |
raise error.Abort(_('compression engine %s could not be loaded') % |
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3185 |
engine.name()) |
90933e4e44fd
util: check for compression engine availability before returning
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30437
diff
changeset
|
3186 |
return engine |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3187 |
|
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3188 |
def supportedwireengines(self, role, onlyavailable=True): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3189 |
"""Obtain compression engines that support the wire protocol. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3190 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3191 |
Returns a list of engines in prioritized order, most desired first. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3192 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3193 |
If ``onlyavailable`` is set, filter out engines that can't be |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3194 |
loaded. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3195 |
""" |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3196 |
assert role in (SERVERROLE, CLIENTROLE) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3197 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3198 |
attr = 'serverpriority' if role == SERVERROLE else 'clientpriority' |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3199 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3200 |
engines = [self._engines[e] for e in self._wiretypes.values()] |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3201 |
if onlyavailable: |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3202 |
engines = [e for e in engines if e.available()] |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3203 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3204 |
def getkey(e): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3205 |
# Sort first by priority, highest first. In case of tie, sort |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3206 |
# alphabetically. This is arbitrary, but ensures output is |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3207 |
# stable. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3208 |
w = e.wireprotosupport() |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3209 |
return -1 * getattr(w, attr), w.name |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3210 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3211 |
return list(sorted(engines, key=getkey)) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3212 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3213 |
def forwiretype(self, wiretype): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3214 |
engine = self._engines[self._wiretypes[wiretype]] |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3215 |
if not engine.available(): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3216 |
raise error.Abort(_('compression engine %s could not be loaded') % |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3217 |
engine.name()) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3218 |
return engine |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3219 |
|
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3220 |
def forrevlogheader(self, header): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3221 |
"""Obtain a compression engine registered to a revlog header. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3222 |
|
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3223 |
Will raise KeyError if the revlog header value isn't registered. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3224 |
""" |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3225 |
return self._engines[self._revlogheaders[header]] |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3226 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3227 |
compengines = compressormanager() |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3228 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3229 |
class compressionengine(object): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3230 |
"""Base class for compression engines. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3231 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3232 |
Compression engines must implement the interface defined by this class. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3233 |
""" |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3234 |
def name(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3235 |
"""Returns the name of the compression engine. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3236 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3237 |
This is the key the engine is registered under. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3238 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3239 |
This method must be implemented. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3240 |
""" |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3241 |
raise NotImplementedError() |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3242 |
|
30437
64d7275445d0
util: expose an "available" API on compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30418
diff
changeset
|
3243 |
def available(self): |
64d7275445d0
util: expose an "available" API on compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30418
diff
changeset
|
3244 |
"""Whether the compression engine is available. |
64d7275445d0
util: expose an "available" API on compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30418
diff
changeset
|
3245 |
|
64d7275445d0
util: expose an "available" API on compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30418
diff
changeset
|
3246 |
The intent of this method is to allow optional compression engines |
64d7275445d0
util: expose an "available" API on compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30418
diff
changeset
|
3247 |
that may not be available in all installations (such as engines relying |
64d7275445d0
util: expose an "available" API on compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30418
diff
changeset
|
3248 |
on C extensions that may not be present). |
64d7275445d0
util: expose an "available" API on compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30418
diff
changeset
|
3249 |
""" |
64d7275445d0
util: expose an "available" API on compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30418
diff
changeset
|
3250 |
return True |
64d7275445d0
util: expose an "available" API on compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30418
diff
changeset
|
3251 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3252 |
def bundletype(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3253 |
"""Describes bundle identifiers for this engine. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3254 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3255 |
If this compression engine isn't supported for bundles, returns None. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3256 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3257 |
If this engine can be used for bundles, returns a 2-tuple of strings of |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3258 |
the user-facing "bundle spec" compression name and an internal |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3259 |
identifier used to denote the compression format within bundles. To |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3260 |
exclude the name from external usage, set the first element to ``None``. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3261 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3262 |
If bundle compression is supported, the class must also implement |
30359
673f0fdc1046
util: remove compressorobj API from compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30356
diff
changeset
|
3263 |
``compressstream`` and `decompressorreader``. |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3264 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3265 |
The docstring of this method is used in the help system to tell users |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3266 |
about this engine. |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3267 |
""" |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3268 |
return None |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3269 |
|
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3270 |
def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3271 |
"""Declare support for this compression format on the wire protocol. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3272 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3273 |
If this compression engine isn't supported for compressing wire |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3274 |
protocol payloads, returns None. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3275 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3276 |
Otherwise, returns ``compenginewireprotosupport`` with the following |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3277 |
fields: |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3278 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3279 |
* String format identifier |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3280 |
* Integer priority for the server |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3281 |
* Integer priority for the client |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3282 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3283 |
The integer priorities are used to order the advertisement of format |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3284 |
support by server and client. The highest integer is advertised |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3285 |
first. Integers with non-positive values aren't advertised. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3286 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3287 |
The priority values are somewhat arbitrary and only used for default |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3288 |
ordering. The relative order can be changed via config options. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3289 |
|
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3290 |
If wire protocol compression is supported, the class must also implement |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3291 |
``compressstream`` and ``decompressorreader``. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3292 |
""" |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3293 |
return None |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3294 |
|
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3295 |
def revlogheader(self): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3296 |
"""Header added to revlog chunks that identifies this engine. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3297 |
|
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3298 |
If this engine can be used to compress revlogs, this method should |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3299 |
return the bytes used to identify chunks compressed with this engine. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3300 |
Else, the method should return ``None`` to indicate it does not |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3301 |
participate in revlog compression. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3302 |
""" |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3303 |
return None |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3304 |
|
30356
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3305 |
def compressstream(self, it, opts=None): |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3306 |
"""Compress an iterator of chunks. |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3307 |
|
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3308 |
The method receives an iterator (ideally a generator) of chunks of |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3309 |
bytes to be compressed. It returns an iterator (ideally a generator) |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3310 |
of bytes of chunks representing the compressed output. |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3311 |
|
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3312 |
Optionally accepts an argument defining how to perform compression. |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3313 |
Each engine treats this argument differently. |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3314 |
""" |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3315 |
raise NotImplementedError() |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3316 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3317 |
def decompressorreader(self, fh): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3318 |
"""Perform decompression on a file object. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3319 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3320 |
Argument is an object with a ``read(size)`` method that returns |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3321 |
compressed data. Return value is an object with a ``read(size)`` that |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3322 |
returns uncompressed data. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3323 |
""" |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3324 |
raise NotImplementedError() |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3325 |
|
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3326 |
def revlogcompressor(self, opts=None): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3327 |
"""Obtain an object that can be used to compress revlog entries. |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3328 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3329 |
The object has a ``compress(data)`` method that compresses binary |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3330 |
data. This method returns compressed binary data or ``None`` if |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3331 |
the data could not be compressed (too small, not compressible, etc). |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3332 |
The returned data should have a header uniquely identifying this |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3333 |
compression format so decompression can be routed to this engine. |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3334 |
This header should be identified by the ``revlogheader()`` return |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3335 |
value. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3336 |
|
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3337 |
The object has a ``decompress(data)`` method that decompresses |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3338 |
data. The method will only be called if ``data`` begins with |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3339 |
``revlogheader()``. The method should return the raw, uncompressed |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3340 |
data or raise a ``RevlogError``. |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3341 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3342 |
The object is reusable but is not thread safe. |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3343 |
""" |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3344 |
raise NotImplementedError() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3345 |
|
38713
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3346 |
class _CompressedStreamReader(object): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3347 |
def __init__(self, fh): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3348 |
if safehasattr(fh, 'unbufferedread'): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3349 |
self._reader = fh.unbufferedread |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3350 |
else: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3351 |
self._reader = fh.read |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3352 |
self._pending = [] |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3353 |
self._pos = 0 |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3354 |
self._eof = False |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3355 |
|
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3356 |
def _decompress(self, chunk): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3357 |
raise NotImplementedError() |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3358 |
|
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3359 |
def read(self, l): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3360 |
buf = [] |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3361 |
while True: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3362 |
while self._pending: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3363 |
if len(self._pending[0]) > l + self._pos: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3364 |
newbuf = self._pending[0] |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3365 |
buf.append(newbuf[self._pos:self._pos + l]) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3366 |
self._pos += l |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3367 |
return ''.join(buf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3368 |
|
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3369 |
newbuf = self._pending.pop(0) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3370 |
if self._pos: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3371 |
buf.append(newbuf[self._pos:]) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3372 |
l -= len(newbuf) - self._pos |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3373 |
else: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3374 |
buf.append(newbuf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3375 |
l -= len(newbuf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3376 |
self._pos = 0 |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3377 |
|
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3378 |
if self._eof: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3379 |
return ''.join(buf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3380 |
chunk = self._reader(65536) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3381 |
self._decompress(chunk) |
39209
1af95139e5ec
util: improve handling of truncated compressed streams
Joerg Sonnenberger <joerg@bec.de>
parents:
39060
diff
changeset
|
3382 |
if not chunk and not self._pending and not self._eof: |
1af95139e5ec
util: improve handling of truncated compressed streams
Joerg Sonnenberger <joerg@bec.de>
parents:
39060
diff
changeset
|
3383 |
# No progress and no new data, bail out |
1af95139e5ec
util: improve handling of truncated compressed streams
Joerg Sonnenberger <joerg@bec.de>
parents:
39060
diff
changeset
|
3384 |
return ''.join(buf) |
38713
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3385 |
|
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3386 |
class _GzipCompressedStreamReader(_CompressedStreamReader): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3387 |
def __init__(self, fh): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3388 |
super(_GzipCompressedStreamReader, self).__init__(fh) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3389 |
self._decompobj = zlib.decompressobj() |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3390 |
def _decompress(self, chunk): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3391 |
newbuf = self._decompobj.decompress(chunk) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3392 |
if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3393 |
self._pending.append(newbuf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3394 |
d = self._decompobj.copy() |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3395 |
try: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3396 |
d.decompress('x') |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3397 |
d.flush() |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3398 |
if d.unused_data == 'x': |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3399 |
self._eof = True |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3400 |
except zlib.error: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3401 |
pass |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3402 |
|
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3403 |
class _BZ2CompressedStreamReader(_CompressedStreamReader): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3404 |
def __init__(self, fh): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3405 |
super(_BZ2CompressedStreamReader, self).__init__(fh) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3406 |
self._decompobj = bz2.BZ2Decompressor() |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3407 |
def _decompress(self, chunk): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3408 |
newbuf = self._decompobj.decompress(chunk) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3409 |
if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3410 |
self._pending.append(newbuf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3411 |
try: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3412 |
while True: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3413 |
newbuf = self._decompobj.decompress('') |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3414 |
if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3415 |
self._pending.append(newbuf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3416 |
else: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3417 |
break |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3418 |
except EOFError: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3419 |
self._eof = True |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3420 |
|
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3421 |
class _TruncatedBZ2CompressedStreamReader(_BZ2CompressedStreamReader): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3422 |
def __init__(self, fh): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3423 |
super(_TruncatedBZ2CompressedStreamReader, self).__init__(fh) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3424 |
newbuf = self._decompobj.decompress('BZ') |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3425 |
if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3426 |
self._pending.append(newbuf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3427 |
|
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3428 |
class _ZstdCompressedStreamReader(_CompressedStreamReader): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3429 |
def __init__(self, fh, zstd): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3430 |
super(_ZstdCompressedStreamReader, self).__init__(fh) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3431 |
self._zstd = zstd |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3432 |
self._decompobj = zstd.ZstdDecompressor().decompressobj() |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3433 |
def _decompress(self, chunk): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3434 |
newbuf = self._decompobj.decompress(chunk) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3435 |
if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3436 |
self._pending.append(newbuf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3437 |
try: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3438 |
while True: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3439 |
newbuf = self._decompobj.decompress('') |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3440 |
if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3441 |
self._pending.append(newbuf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3442 |
else: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3443 |
break |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3444 |
except self._zstd.ZstdError: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3445 |
self._eof = True |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3446 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3447 |
class _zlibengine(compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3448 |
def name(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3449 |
return 'zlib' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3450 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3451 |
def bundletype(self): |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3452 |
"""zlib compression using the DEFLATE algorithm. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3453 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3454 |
All Mercurial clients should support this format. The compression |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3455 |
algorithm strikes a reasonable balance between compression ratio |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3456 |
and size. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3457 |
""" |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3458 |
return 'gzip', 'GZ' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3459 |
|
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3460 |
def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3461 |
return compewireprotosupport('zlib', 20, 20) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3462 |
|
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3463 |
def revlogheader(self): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3464 |
return 'x' |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3465 |
|
30356
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3466 |
def compressstream(self, it, opts=None): |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3467 |
opts = opts or {} |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3468 |
|
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3469 |
z = zlib.compressobj(opts.get('level', -1)) |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3470 |
for chunk in it: |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3471 |
data = z.compress(chunk) |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3472 |
# Not all calls to compress emit data. It is cheaper to inspect |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3473 |
# here than to feed empty chunks through generator. |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3474 |
if data: |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3475 |
yield data |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3476 |
|
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3477 |
yield z.flush() |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3478 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3479 |
def decompressorreader(self, fh): |
38713
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3480 |
return _GzipCompressedStreamReader(fh) |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3481 |
|
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3482 |
class zlibrevlogcompressor(object): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3483 |
def compress(self, data): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3484 |
insize = len(data) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3485 |
# Caller handles empty input case. |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3486 |
assert insize > 0 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3487 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3488 |
if insize < 44: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3489 |
return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3490 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3491 |
elif insize <= 1000000: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3492 |
compressed = zlib.compress(data) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3493 |
if len(compressed) < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3494 |
return compressed |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3495 |
return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3496 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3497 |
# zlib makes an internal copy of the input buffer, doubling |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3498 |
# memory usage for large inputs. So do streaming compression |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3499 |
# on large inputs. |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3500 |
else: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3501 |
z = zlib.compressobj() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3502 |
parts = [] |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3503 |
pos = 0 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3504 |
while pos < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3505 |
pos2 = pos + 2**20 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3506 |
parts.append(z.compress(data[pos:pos2])) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3507 |
pos = pos2 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3508 |
parts.append(z.flush()) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3509 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3510 |
if sum(map(len, parts)) < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3511 |
return ''.join(parts) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3512 |
return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3513 |
|
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3514 |
def decompress(self, data): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3515 |
try: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3516 |
return zlib.decompress(data) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3517 |
except zlib.error as e: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3518 |
raise error.RevlogError(_('revlog decompress error: %s') % |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37083
diff
changeset
|
3519 |
stringutil.forcebytestr(e)) |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3520 |
|
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3521 |
def revlogcompressor(self, opts=None): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3522 |
return self.zlibrevlogcompressor() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3523 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3524 |
compengines.register(_zlibengine()) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3525 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3526 |
class _bz2engine(compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3527 |
def name(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3528 |
return 'bz2' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3529 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3530 |
def bundletype(self): |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3531 |
"""An algorithm that produces smaller bundles than ``gzip``. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3532 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3533 |
All Mercurial clients should support this format. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3534 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3535 |
This engine will likely produce smaller bundles than ``gzip`` but |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3536 |
will be significantly slower, both during compression and |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3537 |
decompression. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3538 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3539 |
If available, the ``zstd`` engine can yield similar or better |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3540 |
compression at much higher speeds. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3541 |
""" |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3542 |
return 'bzip2', 'BZ' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3543 |
|
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3544 |
# We declare a protocol name but don't advertise by default because |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3545 |
# it is slow. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3546 |
def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3547 |
return compewireprotosupport('bzip2', 0, 0) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3548 |
|
30356
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3549 |
def compressstream(self, it, opts=None): |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3550 |
opts = opts or {} |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3551 |
z = bz2.BZ2Compressor(opts.get('level', 9)) |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3552 |
for chunk in it: |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3553 |
data = z.compress(chunk) |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3554 |
if data: |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3555 |
yield data |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3556 |
|
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3557 |
yield z.flush() |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3558 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3559 |
def decompressorreader(self, fh): |
38713
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3560 |
return _BZ2CompressedStreamReader(fh) |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3561 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3562 |
compengines.register(_bz2engine()) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3563 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3564 |
class _truncatedbz2engine(compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3565 |
def name(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3566 |
return 'bz2truncated' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3567 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3568 |
def bundletype(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3569 |
return None, '_truncatedBZ' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3570 |
|
30359
673f0fdc1046
util: remove compressorobj API from compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30356
diff
changeset
|
3571 |
# We don't implement compressstream because it is hackily handled elsewhere. |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3572 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3573 |
def decompressorreader(self, fh): |
38713
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3574 |
return _TruncatedBZ2CompressedStreamReader(fh) |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3575 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3576 |
compengines.register(_truncatedbz2engine()) |
30265
6a8aff737a17
util: put compression code next to each other
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30181
diff
changeset
|
3577 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3578 |
class _noopengine(compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3579 |
def name(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3580 |
return 'none' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3581 |
|
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3582 |
def bundletype(self): |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3583 |
"""No compression is performed. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3584 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3585 |
Use this compression engine to explicitly disable compression. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3586 |
""" |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3587 |
return 'none', 'UN' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3588 |
|
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3589 |
# Clients always support uncompressed payloads. Servers don't because |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3590 |
# unless you are on a fast network, uncompressed payloads can easily |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3591 |
# saturate your network pipe. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3592 |
def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3593 |
return compewireprotosupport('none', 0, 10) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3594 |
|
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3595 |
# We don't implement revlogheader because it is handled specially |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3596 |
# in the revlog class. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3597 |
|
30356
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3598 |
def compressstream(self, it, opts=None): |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3599 |
return it |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3600 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3601 |
def decompressorreader(self, fh): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3602 |
return fh |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3603 |
|
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3604 |
class nooprevlogcompressor(object): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3605 |
def compress(self, data): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3606 |
return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3607 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3608 |
def revlogcompressor(self, opts=None): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3609 |
return self.nooprevlogcompressor() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3610 |
|
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3611 |
compengines.register(_noopengine()) |
26266
1e042e31bd0c
changegroup: move all compressions utilities in util
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26201
diff
changeset
|
3612 |
|
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3613 |
class _zstdengine(compressionengine): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3614 |
def name(self): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3615 |
return 'zstd' |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3616 |
|
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3617 |
@propertycache |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3618 |
def _module(self): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3619 |
# Not all installs have the zstd module available. So defer importing |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3620 |
# until first access. |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3621 |
try: |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3622 |
from . import zstd |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3623 |
# Force delayed import. |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3624 |
zstd.__version__ |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3625 |
return zstd |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3626 |
except ImportError: |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3627 |
return None |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3628 |
|
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3629 |
def available(self): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3630 |
return bool(self._module) |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3631 |
|
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3632 |
def bundletype(self): |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3633 |
"""A modern compression algorithm that is fast and highly flexible. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3634 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3635 |
Only supported by Mercurial 4.1 and newer clients. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3636 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3637 |
With the default settings, zstd compression is both faster and yields |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3638 |
better compression than ``gzip``. It also frequently yields better |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3639 |
compression than ``bzip2`` while operating at much higher speeds. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3640 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3641 |
If this engine is available and backwards compatibility is not a |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3642 |
concern, it is likely the best available engine. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3643 |
""" |
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3644 |
return 'zstd', 'ZS' |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3645 |
|
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3646 |
def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3647 |
return compewireprotosupport('zstd', 50, 50) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3648 |
|
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3649 |
def revlogheader(self): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3650 |
return '\x28' |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3651 |
|
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3652 |
def compressstream(self, it, opts=None): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3653 |
opts = opts or {} |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3654 |
# zstd level 3 is almost always significantly faster than zlib |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3655 |
# while providing no worse compression. It strikes a good balance |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3656 |
# between speed and compression. |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3657 |
level = opts.get('level', 3) |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3658 |
|
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3659 |
zstd = self._module |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3660 |
z = zstd.ZstdCompressor(level=level).compressobj() |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3661 |
for chunk in it: |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3662 |
data = z.compress(chunk) |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3663 |
if data: |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3664 |
yield data |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3665 |
|
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3666 |
yield z.flush() |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3667 |
|
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3668 |
def decompressorreader(self, fh): |
38713
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3669 |
return _ZstdCompressedStreamReader(fh, self._module) |
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3670 |
|
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3671 |
class zstdrevlogcompressor(object): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3672 |
def __init__(self, zstd, level=3): |
37496
1765ed63db40
util: drop write_content_size=True
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37455
diff
changeset
|
3673 |
# TODO consider omitting frame magic to save 4 bytes. |
1765ed63db40
util: drop write_content_size=True
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37455
diff
changeset
|
3674 |
# This writes content sizes into the frame header. That is |
1765ed63db40
util: drop write_content_size=True
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37455
diff
changeset
|
3675 |
# extra storage. But it allows a correct size memory allocation |
1765ed63db40
util: drop write_content_size=True
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37455
diff
changeset
|
3676 |
# to hold the result. |
1765ed63db40
util: drop write_content_size=True
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37455
diff
changeset
|
3677 |
self._cctx = zstd.ZstdCompressor(level=level) |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3678 |
self._dctx = zstd.ZstdDecompressor() |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3679 |
self._compinsize = zstd.COMPRESSION_RECOMMENDED_INPUT_SIZE |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3680 |
self._decompinsize = zstd.DECOMPRESSION_RECOMMENDED_INPUT_SIZE |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3681 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3682 |
def compress(self, data): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3683 |
insize = len(data) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3684 |
# Caller handles empty input case. |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3685 |
assert insize > 0 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3686 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3687 |
if insize < 50: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3688 |
return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3689 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3690 |
elif insize <= 1000000: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3691 |
compressed = self._cctx.compress(data) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3692 |
if len(compressed) < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3693 |
return compressed |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3694 |
return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3695 |
else: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3696 |
z = self._cctx.compressobj() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3697 |
chunks = [] |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3698 |
pos = 0 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3699 |
while pos < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3700 |
pos2 = pos + self._compinsize |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3701 |
chunk = z.compress(data[pos:pos2]) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3702 |
if chunk: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3703 |
chunks.append(chunk) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3704 |
pos = pos2 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3705 |
chunks.append(z.flush()) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3706 |
|
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3707 |
if sum(map(len, chunks)) < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3708 |
return ''.join(chunks) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3709 |
return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3710 |
|
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3711 |
def decompress(self, data): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3712 |
insize = len(data) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3713 |
|
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3714 |
try: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3715 |
# This was measured to be faster than other streaming |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3716 |
# decompressors. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3717 |
dobj = self._dctx.decompressobj() |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3718 |
chunks = [] |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3719 |
pos = 0 |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3720 |
while pos < insize: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3721 |
pos2 = pos + self._decompinsize |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3722 |
chunk = dobj.decompress(data[pos:pos2]) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3723 |
if chunk: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3724 |
chunks.append(chunk) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3725 |
pos = pos2 |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3726 |
# Frame should be exhausted, so no finish() API. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3727 |
|
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3728 |
return ''.join(chunks) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3729 |
except Exception as e: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3730 |
raise error.RevlogError(_('revlog decompress error: %s') % |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37083
diff
changeset
|
3731 |
stringutil.forcebytestr(e)) |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3732 |
|
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3733 |
def revlogcompressor(self, opts=None): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3734 |
opts = opts or {} |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3735 |
return self.zstdrevlogcompressor(self._module, |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3736 |
level=opts.get('level', 3)) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3737 |
|
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3738 |
compengines.register(_zstdengine()) |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3739 |
|
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3740 |
def bundlecompressiontopics(): |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3741 |
"""Obtains a list of available bundle compressions for use in help.""" |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3742 |
# help.makeitemsdocs() expects a dict of names to items with a .__doc__. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3743 |
items = {} |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3744 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3745 |
# We need to format the docstring. So use a dummy object/type to hold it |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3746 |
# rather than mutating the original. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3747 |
class docobject(object): |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3748 |
pass |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3749 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3750 |
for name in compengines: |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3751 |
engine = compengines[name] |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3752 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3753 |
if not engine.available(): |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3754 |
continue |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3755 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3756 |
bt = engine.bundletype() |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3757 |
if not bt or not bt[0]: |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3758 |
continue |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3759 |
|
31811
d955b02d8ec6
util: fix %-formatting on docstring by moving a closing parenthesis
Augie Fackler <augie@google.com>
parents:
31792
diff
changeset
|
3760 |
doc = pycompat.sysstr('``%s``\n %s') % ( |
d955b02d8ec6
util: fix %-formatting on docstring by moving a closing parenthesis
Augie Fackler <augie@google.com>
parents:
31792
diff
changeset
|
3761 |
bt[0], engine.bundletype.__doc__) |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3762 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3763 |
value = docobject() |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3764 |
value.__doc__ = doc |
33818
ed04d7254a91
i18n: use saved object to get actual function information if available
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33799
diff
changeset
|
3765 |
value._origdoc = engine.bundletype.__doc__ |
ed04d7254a91
i18n: use saved object to get actual function information if available
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33799
diff
changeset
|
3766 |
value._origfunc = engine.bundletype |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3767 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3768 |
items[bt[0]] = value |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3769 |
|
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3770 |
return items |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3771 |
|
33820
fa7e30efe05a
i18n: get translation entries for description of each compression engines
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33818
diff
changeset
|
3772 |
i18nfunctions = bundlecompressiontopics().values() |
fa7e30efe05a
i18n: get translation entries for description of each compression engines
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33818
diff
changeset
|
3773 |
|
20244
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
3774 |
# convenient shortcut |
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
3775 |
dst = debugstacktrace |
34554
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3776 |
|
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3777 |
def safename(f, tag, ctx, others=None): |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3778 |
""" |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3779 |
Generate a name that it is safe to rename f to in the given context. |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3780 |
|
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3781 |
f: filename to rename |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3782 |
tag: a string tag that will be included in the new name |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3783 |
ctx: a context, in which the new name must not exist |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3784 |
others: a set of other filenames that the new name must not be in |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3785 |
|
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3786 |
Returns a file name of the form oldname~tag[~number] which does not exist |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3787 |
in the provided context and is not in the set of other names. |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3788 |
""" |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3789 |
if others is None: |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3790 |
others = set() |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3791 |
|
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3792 |
fn = '%s~%s' % (f, tag) |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3793 |
if fn not in ctx and fn not in others: |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3794 |
return fn |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3795 |
for n in itertools.count(1): |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3796 |
fn = '%s~%s~%s' % (f, tag, n) |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3797 |
if fn not in ctx and fn not in others: |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3798 |
return fn |
35754
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3799 |
|
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3800 |
def readexactly(stream, n): |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3801 |
'''read n bytes from stream.read and abort if less was available''' |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3802 |
s = stream.read(n) |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3803 |
if len(s) < n: |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3804 |
raise error.Abort(_("stream ended unexpectedly" |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3805 |
" (got %d bytes, expected %d)") |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3806 |
% (len(s), n)) |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3807 |
return s |
35755
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3808 |
|
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3809 |
def uvarintencode(value): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3810 |
"""Encode an unsigned integer value to a varint. |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3811 |
|
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3812 |
A varint is a variable length integer of 1 or more bytes. Each byte |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3813 |
except the last has the most significant bit set. The lower 7 bits of |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3814 |
each byte store the 2's complement representation, least significant group |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3815 |
first. |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3816 |
|
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3817 |
>>> uvarintencode(0) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3818 |
'\\x00' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3819 |
>>> uvarintencode(1) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3820 |
'\\x01' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3821 |
>>> uvarintencode(127) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3822 |
'\\x7f' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3823 |
>>> uvarintencode(1337) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3824 |
'\\xb9\\n' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3825 |
>>> uvarintencode(65536) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3826 |
'\\x80\\x80\\x04' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3827 |
>>> uvarintencode(-1) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3828 |
Traceback (most recent call last): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3829 |
... |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3830 |
ProgrammingError: negative value for uvarint: -1 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3831 |
""" |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3832 |
if value < 0: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3833 |
raise error.ProgrammingError('negative value for uvarint: %d' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3834 |
% value) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3835 |
bits = value & 0x7f |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3836 |
value >>= 7 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3837 |
bytes = [] |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3838 |
while value: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3839 |
bytes.append(pycompat.bytechr(0x80 | bits)) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3840 |
bits = value & 0x7f |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3841 |
value >>= 7 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3842 |
bytes.append(pycompat.bytechr(bits)) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3843 |
|
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3844 |
return ''.join(bytes) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3845 |
|
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3846 |
def uvarintdecodestream(fh): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3847 |
"""Decode an unsigned variable length integer from a stream. |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3848 |
|
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3849 |
The passed argument is anything that has a ``.read(N)`` method. |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3850 |
|
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3851 |
>>> try: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3852 |
... from StringIO import StringIO as BytesIO |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3853 |
... except ImportError: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3854 |
... from io import BytesIO |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3855 |
>>> uvarintdecodestream(BytesIO(b'\\x00')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3856 |
0 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3857 |
>>> uvarintdecodestream(BytesIO(b'\\x01')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3858 |
1 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3859 |
>>> uvarintdecodestream(BytesIO(b'\\x7f')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3860 |
127 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3861 |
>>> uvarintdecodestream(BytesIO(b'\\xb9\\n')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3862 |
1337 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3863 |
>>> uvarintdecodestream(BytesIO(b'\\x80\\x80\\x04')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3864 |
65536 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3865 |
>>> uvarintdecodestream(BytesIO(b'\\x80')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3866 |
Traceback (most recent call last): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3867 |
... |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3868 |
Abort: stream ended unexpectedly (got 0 bytes, expected 1) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3869 |
""" |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3870 |
result = 0 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3871 |
shift = 0 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3872 |
while True: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3873 |
byte = ord(readexactly(fh, 1)) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3874 |
result |= ((byte & 0x7f) << shift) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3875 |
if not (byte & 0x80): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3876 |
return result |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3877 |
shift += 7 |