author | Kevin Bullock <kbullock@ringworld.org> |
Sat, 05 May 2018 18:03:01 -0500 | |
branch | stable |
changeset 37835 | 1f65d7d46545 |
parent 35725 | 2a7e777c9eed |
child 37844 | 8fb9985382be |
permissions | -rw-r--r-- |
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# vfs.py - Mercurial 'vfs' classes |
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# |
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# Copyright Matt Mackall <mpm@selenic.com> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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from __future__ import absolute_import |
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|
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import contextlib |
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import errno |
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import os |
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import shutil |
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import stat |
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import tempfile |
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import threading |
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|
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from .i18n import _ |
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from . import ( |
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encoding, |
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error, |
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pathutil, |
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pycompat, |
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util, |
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) |
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def _avoidambig(path, oldstat): |
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"""Avoid file stat ambiguity forcibly |
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This function causes copying ``path`` file, if it is owned by |
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another (see issue5418 and issue5584 for detail). |
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""" |
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def checkandavoid(): |
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newstat = util.filestat.frompath(path) |
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# return whether file stat ambiguity is (already) avoided |
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return (not newstat.isambig(oldstat) or |
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newstat.avoidambig(path, oldstat)) |
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if not checkandavoid(): |
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# simply copy to change owner of path to get privilege to |
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# advance mtime (see issue5418) |
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util.rename(util.mktempcopy(path), path) |
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checkandavoid() |
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|
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class abstractvfs(object): |
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"""Abstract base class; cannot be instantiated""" |
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def __init__(self, *args, **kwargs): |
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'''Prevent instantiation; don't call this from subclasses.''' |
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raise NotImplementedError('attempted instantiating ' + str(type(self))) |
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|
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def tryread(self, path): |
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'''gracefully return an empty string for missing files''' |
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try: |
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return self.read(path) |
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except IOError as inst: |
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if inst.errno != errno.ENOENT: |
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raise |
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return "" |
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|
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def tryreadlines(self, path, mode='rb'): |
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'''gracefully return an empty array for missing files''' |
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try: |
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return self.readlines(path, mode=mode) |
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except IOError as inst: |
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if inst.errno != errno.ENOENT: |
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raise |
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return [] |
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|
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@util.propertycache |
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def open(self): |
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'''Open ``path`` file, which is relative to vfs root. |
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|
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Newly created directories are marked as "not to be indexed by |
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the content indexing service", if ``notindexed`` is specified |
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for "write" mode access. |
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''' |
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return self.__call__ |
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|
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def read(self, path): |
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with self(path, 'rb') as fp: |
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return fp.read() |
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|
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def readlines(self, path, mode='rb'): |
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with self(path, mode=mode) as fp: |
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return fp.readlines() |
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|
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def write(self, path, data, backgroundclose=False, **kwargs): |
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with self(path, 'wb', backgroundclose=backgroundclose, **kwargs) as fp: |
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return fp.write(data) |
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def writelines(self, path, data, mode='wb', notindexed=False): |
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with self(path, mode=mode, notindexed=notindexed) as fp: |
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return fp.writelines(data) |
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def append(self, path, data): |
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with self(path, 'ab') as fp: |
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return fp.write(data) |
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|
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def basename(self, path): |
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"""return base element of a path (as os.path.basename would do) |
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101 |
This exists to allow handling of strange encoding if needed.""" |
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102 |
return os.path.basename(path) |
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|
103 |
|
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|
104 |
def chmod(self, path, mode): |
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|
105 |
return os.chmod(self.join(path), mode) |
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|
106 |
|
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|
107 |
def dirname(self, path): |
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|
108 |
"""return dirname element of a path (as os.path.dirname would do) |
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|
109 |
|
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|
110 |
This exists to allow handling of strange encoding if needed.""" |
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|
111 |
return os.path.dirname(path) |
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|
112 |
|
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|
113 |
def exists(self, path=None): |
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|
114 |
return os.path.exists(self.join(path)) |
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|
115 |
|
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changelog: use "vfs.fstat()" instead of "util.fstat()"
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|
116 |
def fstat(self, fp): |
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|
117 |
return util.fstat(fp) |
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|
118 |
|
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|
119 |
def isdir(self, path=None): |
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|
120 |
return os.path.isdir(self.join(path)) |
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|
121 |
|
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|
122 |
def isfile(self, path=None): |
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|
123 |
return os.path.isfile(self.join(path)) |
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|
124 |
|
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|
125 |
def islink(self, path=None): |
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|
126 |
return os.path.islink(self.join(path)) |
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|
127 |
|
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merge: while checking for unknown files don't follow symlinks (issue5027)
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|
128 |
def isfileorlink(self, path=None): |
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|
129 |
'''return whether path is a regular file or a symlink |
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|
130 |
|
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|
131 |
Unlike isfile, this doesn't follow symlinks.''' |
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|
132 |
try: |
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|
133 |
st = self.lstat(path) |
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|
134 |
except OSError: |
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|
135 |
return False |
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|
136 |
mode = st.st_mode |
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|
137 |
return stat.S_ISREG(mode) or stat.S_ISLNK(mode) |
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|
138 |
|
23581
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vfs: add a 'reljoin' function for joining relative paths
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|
139 |
def reljoin(self, *paths): |
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|
140 |
"""join various elements of a path together (as os.path.join would do) |
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|
141 |
|
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|
142 |
The vfs base is not injected so that path stay relative. This exists |
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|
143 |
to allow handling of strange encoding if needed.""" |
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|
144 |
return os.path.join(*paths) |
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|
145 |
|
23582
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vfs: add a 'split' method
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|
146 |
def split(self, path): |
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|
147 |
"""split top-most element of a path (as os.path.split would do) |
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|
148 |
|
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|
149 |
This exists to allow handling of strange encoding if needed.""" |
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|
150 |
return os.path.split(path) |
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|
151 |
|
21563
764b691b8bda
vfs: add lexists() in current api
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|
152 |
def lexists(self, path=None): |
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|
153 |
return os.path.lexists(self.join(path)) |
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|
154 |
|
19900
7c21e3398931
context: use "vfs.lstat()" instead of "os.lstat()"
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|
155 |
def lstat(self, path=None): |
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|
156 |
return os.lstat(self.join(path)) |
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|
157 |
|
21799
dfacdd6a111e
vfs: add listdir for os.listdir in vfs
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|
158 |
def listdir(self, path=None): |
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|
159 |
return os.listdir(self.join(path)) |
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|
160 |
|
17161
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|
161 |
def makedir(self, path=None, notindexed=True): |
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|
162 |
return util.makedir(self.join(path), notindexed) |
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|
163 |
|
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|
164 |
def makedirs(self, path=None, mode=None): |
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|
165 |
return util.makedirs(self.join(path), mode) |
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|
166 |
|
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vfs: add "makelock()" and "readlock()"
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|
167 |
def makelock(self, info, path): |
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|
168 |
return util.makelock(info, self.join(path)) |
88d8e568add1
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|
169 |
|
17723
ab23768746fd
scmutil: reorder newly added functions for vfs support in dictionary order
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17681
diff
changeset
|
170 |
def mkdir(self, path=None): |
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|
171 |
return os.mkdir(self.join(path)) |
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|
172 |
|
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vfs: drop text mode flag (API)
Yuya Nishihara <yuya@tcha.org>
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changeset
|
173 |
def mkstemp(self, suffix='', prefix='tmp', dir=None): |
20980
6fb4c94ae300
vfs: add "mkstemp()"
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|
174 |
fd, name = tempfile.mkstemp(suffix=suffix, prefix=prefix, |
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|
175 |
dir=self.join(dir)) |
20980
6fb4c94ae300
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|
176 |
dname, fname = util.split(name) |
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|
177 |
if dir: |
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|
178 |
return fd, os.path.join(dir, fname) |
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|
179 |
else: |
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|
180 |
return fd, fname |
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|
181 |
|
17747
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store: invoke "osutil.listdir()" via vfs
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changeset
|
182 |
def readdir(self, path=None, stat=None, skip=None): |
32208
d74b0cff94a9
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Yuya Nishihara <yuya@tcha.org>
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|
183 |
return util.listdir(self.join(path), stat, skip) |
17747
aad3bce98f76
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changeset
|
184 |
|
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|
185 |
def readlock(self, path): |
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|
186 |
return util.readlock(self.join(path)) |
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|
187 |
|
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vfs: make rename avoid ambiguity of file stat if needed
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changeset
|
188 |
def rename(self, src, dst, checkambig=False): |
29367
4e6e280e238f
doc: describe detail about checkambig optional argument
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|
189 |
"""Rename from src to dst |
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|
190 |
|
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changeset
|
191 |
checkambig argument is used with util.filestat, and is useful |
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|
192 |
only if destination file is guarded by any lock |
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|
193 |
(e.g. repo.lock or repo.wlock). |
33282
d1db7af81548
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changeset
|
194 |
|
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changeset
|
195 |
To avoid file stat ambiguity forcibly, checkambig=True involves |
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|
196 |
copying ``src`` file, if it is owned by another. Therefore, use |
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|
197 |
checkambig=True only in limited cases (see also issue5418 and |
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changeset
|
198 |
issue5584 for detail). |
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|
199 |
""" |
32748
ed66ec39933f
vfs: create copy at renaming to avoid file stat ambiguity if needed
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parents:
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diff
changeset
|
200 |
srcpath = self.join(src) |
29203
731ced087a4b
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parents:
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diff
changeset
|
201 |
dstpath = self.join(dst) |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
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parents:
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diff
changeset
|
202 |
oldstat = checkambig and util.filestat.frompath(dstpath) |
29203
731ced087a4b
vfs: make rename avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
203 |
if oldstat and oldstat.stat: |
33281
6af0f023d014
vfs: replace avoiding ambiguity in abstractvfs.rename with _avoidambig
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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|
204 |
ret = util.rename(srcpath, dstpath) |
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|
205 |
_avoidambig(dstpath, oldstat) |
29203
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|
206 |
return ret |
32748
ed66ec39933f
vfs: create copy at renaming to avoid file stat ambiguity if needed
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changeset
|
207 |
return util.rename(srcpath, dstpath) |
18948
2f05fa162316
localrepo: use "vfs.rename()" instead of "util.rename()"
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parents:
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diff
changeset
|
208 |
|
18950
647e3b0c8751
localrepo: use "vfs.readlink()" instead of "os.readlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18949
diff
changeset
|
209 |
def readlink(self, path): |
647e3b0c8751
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|
210 |
return os.readlink(self.join(path)) |
647e3b0c8751
localrepo: use "vfs.readlink()" instead of "os.readlink()"
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parents:
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changeset
|
211 |
|
24693
0d28b0df77ea
vfs: add removedirs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
24689
diff
changeset
|
212 |
def removedirs(self, path=None): |
0d28b0df77ea
vfs: add removedirs
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parents:
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diff
changeset
|
213 |
"""Remove a leaf directory and all empty intermediate ones |
0d28b0df77ea
vfs: add removedirs
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parents:
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changeset
|
214 |
""" |
0d28b0df77ea
vfs: add removedirs
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parents:
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diff
changeset
|
215 |
return util.removedirs(self.join(path)) |
0d28b0df77ea
vfs: add removedirs
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parents:
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diff
changeset
|
216 |
|
24689
ca3a90096c95
vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
24635
diff
changeset
|
217 |
def rmtree(self, path=None, ignore_errors=False, forcibly=False): |
ca3a90096c95
vfs: add rmtree
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parents:
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changeset
|
218 |
"""Remove a directory tree recursively |
ca3a90096c95
vfs: add rmtree
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parents:
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changeset
|
219 |
|
ca3a90096c95
vfs: add rmtree
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parents:
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changeset
|
220 |
If ``forcibly``, this tries to remove READ-ONLY files, too. |
ca3a90096c95
vfs: add rmtree
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parents:
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diff
changeset
|
221 |
""" |
ca3a90096c95
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parents:
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changeset
|
222 |
if forcibly: |
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parents:
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diff
changeset
|
223 |
def onerror(function, path, excinfo): |
ca3a90096c95
vfs: add rmtree
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parents:
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changeset
|
224 |
if function is not os.remove: |
ca3a90096c95
vfs: add rmtree
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parents:
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changeset
|
225 |
raise |
ca3a90096c95
vfs: add rmtree
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parents:
24635
diff
changeset
|
226 |
# read-only files cannot be unlinked under Windows |
ca3a90096c95
vfs: add rmtree
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parents:
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changeset
|
227 |
s = os.stat(path) |
ca3a90096c95
vfs: add rmtree
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parents:
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diff
changeset
|
228 |
if (s.st_mode & stat.S_IWRITE) != 0: |
ca3a90096c95
vfs: add rmtree
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parents:
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changeset
|
229 |
raise |
ca3a90096c95
vfs: add rmtree
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parents:
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changeset
|
230 |
os.chmod(path, stat.S_IMODE(s.st_mode) | stat.S_IWRITE) |
ca3a90096c95
vfs: add rmtree
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parents:
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diff
changeset
|
231 |
os.remove(path) |
ca3a90096c95
vfs: add rmtree
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parents:
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diff
changeset
|
232 |
else: |
ca3a90096c95
vfs: add rmtree
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parents:
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diff
changeset
|
233 |
onerror = None |
ca3a90096c95
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parents:
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diff
changeset
|
234 |
return shutil.rmtree(self.join(path), |
ca3a90096c95
vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
24635
diff
changeset
|
235 |
ignore_errors=ignore_errors, onerror=onerror) |
ca3a90096c95
vfs: add rmtree
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parents:
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diff
changeset
|
236 |
|
18951
d13916a00b7e
localrepo: use "vfs.setflags()" instead of "util.setflags()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18950
diff
changeset
|
237 |
def setflags(self, path, l, x): |
d13916a00b7e
localrepo: use "vfs.setflags()" instead of "util.setflags()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18950
diff
changeset
|
238 |
return util.setflags(self.join(path), l, x) |
d13916a00b7e
localrepo: use "vfs.setflags()" instead of "util.setflags()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18950
diff
changeset
|
239 |
|
17726
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17725
diff
changeset
|
240 |
def stat(self, path=None): |
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17725
diff
changeset
|
241 |
return os.stat(self.join(path)) |
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17725
diff
changeset
|
242 |
|
19895
37c0d93fb166
bookmarks: use "vfs.unlink()" instead of "util.unlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19655
diff
changeset
|
243 |
def unlink(self, path=None): |
37c0d93fb166
bookmarks: use "vfs.unlink()" instead of "util.unlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19655
diff
changeset
|
244 |
return util.unlink(self.join(path)) |
37c0d93fb166
bookmarks: use "vfs.unlink()" instead of "util.unlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19655
diff
changeset
|
245 |
|
31542 | 246 |
def tryunlink(self, path=None): |
247 |
"""Attempt to remove a file, ignoring missing file errors.""" |
|
248 |
util.tryunlink(self.join(path)) |
|
249 |
||
21716
90f9be5adade
vfs: add unlinkpath to vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents:
21563
diff
changeset
|
250 |
def unlinkpath(self, path=None, ignoremissing=False): |
31309
8908f985570c
vfs: use repo.wvfs.unlinkpath
Mads Kiilerich <madski@unity3d.com>
parents:
31217
diff
changeset
|
251 |
return util.unlinkpath(self.join(path), ignoremissing=ignoremissing) |
21716
90f9be5adade
vfs: add unlinkpath to vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents:
21563
diff
changeset
|
252 |
|
19896
af03279c766a
bookmarks: use "vfs.utime()" instead of "os.utime()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19895
diff
changeset
|
253 |
def utime(self, path=None, t=None): |
af03279c766a
bookmarks: use "vfs.utime()" instead of "os.utime()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19895
diff
changeset
|
254 |
return os.utime(self.join(path), t) |
af03279c766a
bookmarks: use "vfs.utime()" instead of "os.utime()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19895
diff
changeset
|
255 |
|
24725 | 256 |
def walk(self, path=None, onerror=None): |
257 |
"""Yield (dirpath, dirs, files) tuple for each directories under path |
|
258 |
||
259 |
``dirpath`` is relative one from the root of this vfs. This |
|
260 |
uses ``os.sep`` as path separator, even you specify POSIX |
|
261 |
style ``path``. |
|
262 |
||
263 |
"The root of this vfs" is represented as empty ``dirpath``. |
|
264 |
""" |
|
265 |
root = os.path.normpath(self.join(None)) |
|
266 |
# when dirpath == root, dirpath[prefixlen:] becomes empty |
|
267 |
# because len(dirpath) < prefixlen. |
|
268 |
prefixlen = len(pathutil.normasprefix(root)) |
|
269 |
for dirpath, dirs, files in os.walk(self.join(path), onerror=onerror): |
|
270 |
yield (dirpath[prefixlen:], dirs, files) |
|
271 |
||
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
272 |
@contextlib.contextmanager |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
273 |
def backgroundclosing(self, ui, expectedcount=-1): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
274 |
"""Allow files to be closed asynchronously. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
275 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
276 |
When this context manager is active, ``backgroundclose`` can be passed |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
277 |
to ``__call__``/``open`` to result in the file possibly being closed |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
278 |
asynchronously, on a background thread. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
279 |
""" |
35426
60f2a215faa7
workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents:
34645
diff
changeset
|
280 |
# Sharing backgroundfilecloser between threads is complex and using |
60f2a215faa7
workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents:
34645
diff
changeset
|
281 |
# multiple instances puts us at risk of running out of file descriptors |
60f2a215faa7
workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents:
34645
diff
changeset
|
282 |
# only allow to use backgroundfilecloser when in main thread. |
60f2a215faa7
workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents:
34645
diff
changeset
|
283 |
if not isinstance(threading.currentThread(), threading._MainThread): |
60f2a215faa7
workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents:
34645
diff
changeset
|
284 |
yield |
60f2a215faa7
workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents:
34645
diff
changeset
|
285 |
return |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
286 |
vfs = getattr(self, 'vfs', self) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
287 |
if getattr(vfs, '_backgroundfilecloser', None): |
29389
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
29373
diff
changeset
|
288 |
raise error.Abort( |
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
29373
diff
changeset
|
289 |
_('can only have 1 active background file closer')) |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
290 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
291 |
with backgroundfilecloser(ui, expectedcount=expectedcount) as bfc: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
292 |
try: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
293 |
vfs._backgroundfilecloser = bfc |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
294 |
yield bfc |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
295 |
finally: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
296 |
vfs._backgroundfilecloser = None |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
297 |
|
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
298 |
class vfs(abstractvfs): |
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
299 |
'''Operate files relative to a base directory |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
300 |
|
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
301 |
This class is used to hide the details of COW semantics and |
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
302 |
remote file access from higher level code. |
33649
377e8ddaebef
pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents:
33435
diff
changeset
|
303 |
|
377e8ddaebef
pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents:
33435
diff
changeset
|
304 |
'cacheaudited' should be enabled only if (a) vfs object is short-lived, or |
377e8ddaebef
pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents:
33435
diff
changeset
|
305 |
(b) the base directory is managed by hg and considered sort-of append-only. |
377e8ddaebef
pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents:
33435
diff
changeset
|
306 |
See pathutil.pathauditor() for details. |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
307 |
''' |
33649
377e8ddaebef
pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents:
33435
diff
changeset
|
308 |
def __init__(self, base, audit=True, cacheaudited=False, expandpath=False, |
377e8ddaebef
pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents:
33435
diff
changeset
|
309 |
realpath=False): |
18945
e75b72fffdfe
vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18900
diff
changeset
|
310 |
if expandpath: |
e75b72fffdfe
vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18900
diff
changeset
|
311 |
base = util.expandpath(base) |
e75b72fffdfe
vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18900
diff
changeset
|
312 |
if realpath: |
e75b72fffdfe
vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18900
diff
changeset
|
313 |
base = os.path.realpath(base) |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
314 |
self.base = base |
33259
6fb5c5096887
vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33257
diff
changeset
|
315 |
self._audit = audit |
6fb5c5096887
vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33257
diff
changeset
|
316 |
if audit: |
33649
377e8ddaebef
pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents:
33435
diff
changeset
|
317 |
self.audit = pathutil.pathauditor(self.base, cached=cacheaudited) |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
318 |
else: |
33435
456626e9c3d1
vfs: allow to pass more argument to audit
Boris Feld <boris.feld@octobus.net>
parents:
33412
diff
changeset
|
319 |
self.audit = (lambda path, mode=None: True) |
33259
6fb5c5096887
vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33257
diff
changeset
|
320 |
self.createmode = None |
6fb5c5096887
vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33257
diff
changeset
|
321 |
self._trustnlink = None |
17554
5450c8ad9d98
scmutil: turn opener._audit into a property, mustaudit
Bryan O'Sullivan <bryano@fb.com>
parents:
17248
diff
changeset
|
322 |
|
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parents:
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diff
changeset
|
323 |
@util.propertycache |
14261
e3649bcca3f6
opener: rename _can_symlink to _cansymlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
14236
diff
changeset
|
324 |
def _cansymlink(self): |
13970
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parents:
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diff
changeset
|
325 |
return util.checklink(self.base) |
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parents:
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diff
changeset
|
326 |
|
18192
f9a89bdd64a6
scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents:
17850
diff
changeset
|
327 |
@util.propertycache |
f9a89bdd64a6
scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents:
17850
diff
changeset
|
328 |
def _chmod(self): |
f9a89bdd64a6
scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents:
17850
diff
changeset
|
329 |
return util.checkexec(self.base) |
f9a89bdd64a6
scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents:
17850
diff
changeset
|
330 |
|
17763
13070de77c86
vfs: backout fchmod change from 76b73ce0ffac
Matt Mackall <mpm@selenic.com>
parents:
17752
diff
changeset
|
331 |
def _fixfilemode(self, name): |
18192
f9a89bdd64a6
scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents:
17850
diff
changeset
|
332 |
if self.createmode is None or not self._chmod: |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
333 |
return |
25658
e93036747902
global: mass rewrite to use modern octal syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25629
diff
changeset
|
334 |
os.chmod(name, self.createmode & 0o666) |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
335 |
|
35625
390f860228ba
vfs: drop text mode flag (API)
Yuya Nishihara <yuya@tcha.org>
parents:
35426
diff
changeset
|
336 |
def __call__(self, path, mode="r", atomictemp=False, notindexed=False, |
390f860228ba
vfs: drop text mode flag (API)
Yuya Nishihara <yuya@tcha.org>
parents:
35426
diff
changeset
|
337 |
backgroundclose=False, checkambig=False, auditpath=True): |
23370
46265d0f0c7b
vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23368
diff
changeset
|
338 |
'''Open ``path`` file, which is relative to vfs root. |
46265d0f0c7b
vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23368
diff
changeset
|
339 |
|
46265d0f0c7b
vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23368
diff
changeset
|
340 |
Newly created directories are marked as "not to be indexed by |
46265d0f0c7b
vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23368
diff
changeset
|
341 |
the content indexing service", if ``notindexed`` is specified |
46265d0f0c7b
vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23368
diff
changeset
|
342 |
for "write" mode access. |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
343 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
344 |
If ``backgroundclose`` is passed, the file may be closed asynchronously. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
345 |
It can only be used if the ``self.backgroundclosing()`` context manager |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
346 |
is active. This should only be specified if the following criteria hold: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
347 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
348 |
1. There is a potential for writing thousands of files. Unless you |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
349 |
are writing thousands of files, the performance benefits of |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
350 |
asynchronously closing files is not realized. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
351 |
2. Files are opened exactly once for the ``backgroundclosing`` |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
352 |
active duration and are therefore free of race conditions between |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
353 |
closing a file on a background thread and reopening it. (If the |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
354 |
file were opened multiple times, there could be unflushed data |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
355 |
because the original file handle hasn't been flushed/closed yet.) |
29202
76f1ea360c7e
vfs: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29119
diff
changeset
|
356 |
|
29367
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29341
diff
changeset
|
357 |
``checkambig`` argument is passed to atomictemplfile (valid |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29341
diff
changeset
|
358 |
only for writing), and is useful only if target file is |
4e6e280e238f
doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29341
diff
changeset
|
359 |
guarded by any lock (e.g. repo.lock or repo.wlock). |
33282
d1db7af81548
vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33281
diff
changeset
|
360 |
|
d1db7af81548
vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33281
diff
changeset
|
361 |
To avoid file stat ambiguity forcibly, checkambig=True involves |
d1db7af81548
vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33281
diff
changeset
|
362 |
copying ``path`` file opened in "append" mode (e.g. for |
d1db7af81548
vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33281
diff
changeset
|
363 |
truncation), if it is owned by another. Therefore, use |
d1db7af81548
vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33281
diff
changeset
|
364 |
combination of append mode and checkambig=True only in limited |
d1db7af81548
vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33281
diff
changeset
|
365 |
cases (see also issue5418 and issue5584 for detail). |
23370
46265d0f0c7b
vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23368
diff
changeset
|
366 |
''' |
33257
15e9cbe6ae49
vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33234
diff
changeset
|
367 |
if auditpath: |
15e9cbe6ae49
vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33234
diff
changeset
|
368 |
if self._audit: |
15e9cbe6ae49
vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33234
diff
changeset
|
369 |
r = util.checkosfilename(path) |
15e9cbe6ae49
vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33234
diff
changeset
|
370 |
if r: |
15e9cbe6ae49
vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33234
diff
changeset
|
371 |
raise error.Abort("%s: %r" % (r, path)) |
33435
456626e9c3d1
vfs: allow to pass more argument to audit
Boris Feld <boris.feld@octobus.net>
parents:
33412
diff
changeset
|
372 |
self.audit(path, mode=mode) |
16199
8181bd808dc5
scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents:
16198
diff
changeset
|
373 |
f = self.join(path) |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
374 |
|
35625
390f860228ba
vfs: drop text mode flag (API)
Yuya Nishihara <yuya@tcha.org>
parents:
35426
diff
changeset
|
375 |
if "b" not in mode: |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
376 |
mode += "b" # for that other OS |
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
377 |
|
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
378 |
nlink = -1 |
17937
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
379 |
if mode not in ('r', 'rb'): |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
380 |
dirname, basename = util.split(f) |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
381 |
# If basename is empty, then the path is malformed because it points |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
382 |
# to a directory. Let the posixfile() call below raise IOError. |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
383 |
if basename: |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
384 |
if atomictemp: |
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28819
diff
changeset
|
385 |
util.makedirs(dirname, self.createmode, notindexed) |
29202
76f1ea360c7e
vfs: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29119
diff
changeset
|
386 |
return util.atomictempfile(f, mode, self.createmode, |
76f1ea360c7e
vfs: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29119
diff
changeset
|
387 |
checkambig=checkambig) |
17937
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
388 |
try: |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
389 |
if 'w' in mode: |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
390 |
util.unlink(f) |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
391 |
nlink = 0 |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
392 |
else: |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
393 |
# nlinks() may behave differently for files on Windows |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
394 |
# shares if the file is open. |
27706
22e362da27cf
scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27651
diff
changeset
|
395 |
with util.posixfile(f): |
22e362da27cf
scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27651
diff
changeset
|
396 |
nlink = util.nlinks(f) |
22e362da27cf
scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27651
diff
changeset
|
397 |
if nlink < 1: |
22e362da27cf
scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27651
diff
changeset
|
398 |
nlink = 2 # force mktempcopy (issue1922) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
399 |
except (OSError, IOError) as e: |
17937
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
400 |
if e.errno != errno.ENOENT: |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
401 |
raise |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
402 |
nlink = 0 |
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28819
diff
changeset
|
403 |
util.makedirs(dirname, self.createmode, notindexed) |
17937
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
404 |
if nlink > 0: |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
405 |
if self._trustnlink is None: |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
406 |
self._trustnlink = nlink > 1 or util.checknlink(f) |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
407 |
if nlink > 1 or not self._trustnlink: |
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents:
17850
diff
changeset
|
408 |
util.rename(util.mktempcopy(f), f) |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
409 |
fp = util.posixfile(f, mode) |
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
410 |
if nlink == 0: |
17763
13070de77c86
vfs: backout fchmod change from 76b73ce0ffac
Matt Mackall <mpm@selenic.com>
parents:
17752
diff
changeset
|
411 |
self._fixfilemode(f) |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
412 |
|
29996
9766d88c2465
vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29995
diff
changeset
|
413 |
if checkambig: |
9766d88c2465
vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29995
diff
changeset
|
414 |
if mode in ('r', 'rb'): |
9766d88c2465
vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29995
diff
changeset
|
415 |
raise error.Abort(_('implementation error: mode %s is not' |
9766d88c2465
vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29995
diff
changeset
|
416 |
' valid for checkambig=True') % mode) |
9766d88c2465
vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29995
diff
changeset
|
417 |
fp = checkambigatclosing(fp) |
9766d88c2465
vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29995
diff
changeset
|
418 |
|
35426
60f2a215faa7
workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents:
34645
diff
changeset
|
419 |
if (backgroundclose and |
60f2a215faa7
workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents:
34645
diff
changeset
|
420 |
isinstance(threading.currentThread(), threading._MainThread)): |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
421 |
if not self._backgroundfilecloser: |
29389
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
29373
diff
changeset
|
422 |
raise error.Abort(_('backgroundclose can only be used when a ' |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
423 |
'backgroundclosing context manager is active') |
29389
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
29373
diff
changeset
|
424 |
) |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
425 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
426 |
fp = delayclosedfile(fp, self._backgroundfilecloser) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
427 |
|
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
428 |
return fp |
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
429 |
|
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
430 |
def symlink(self, src, dst): |
18327
4aecdb91443c
scmutil: simplify vfs.audit - drop wrapped vfs.auditor
Mads Kiilerich <mads@kiilerich.com>
parents:
18316
diff
changeset
|
431 |
self.audit(dst) |
16199
8181bd808dc5
scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents:
16198
diff
changeset
|
432 |
linkname = self.join(dst) |
31549 | 433 |
util.tryunlink(linkname) |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
434 |
|
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28819
diff
changeset
|
435 |
util.makedirs(os.path.dirname(linkname), self.createmode) |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
436 |
|
14261
e3649bcca3f6
opener: rename _can_symlink to _cansymlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
14236
diff
changeset
|
437 |
if self._cansymlink: |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
438 |
try: |
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
439 |
os.symlink(src, linkname) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
440 |
except OSError as err: |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
441 |
raise OSError(err.errno, _('could not symlink to %r: %s') % |
34022
d5b2beca16c0
python3: wrap all uses of <exception>.strerror with strtolocal
Augie Fackler <raf@durin42.com>
parents:
33649
diff
changeset
|
442 |
(src, encoding.strtolocal(err.strerror)), |
d5b2beca16c0
python3: wrap all uses of <exception>.strerror with strtolocal
Augie Fackler <raf@durin42.com>
parents:
33649
diff
changeset
|
443 |
linkname) |
13970
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13962
diff
changeset
|
444 |
else: |
17768
9837cafc25b1
vfs: use self.write to write symlink placeholders
Matt Mackall <mpm@selenic.com>
parents:
17763
diff
changeset
|
445 |
self.write(dst, src) |
13971
bfeaa88b875d
move canonpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13970
diff
changeset
|
446 |
|
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
24582
diff
changeset
|
447 |
def join(self, path, *insidef): |
17161
be016e96117a
localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17157
diff
changeset
|
448 |
if path: |
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
24582
diff
changeset
|
449 |
return os.path.join(self.base, path, *insidef) |
17681
a41fd730f230
scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents:
17675
diff
changeset
|
450 |
else: |
a41fd730f230
scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents:
17675
diff
changeset
|
451 |
return self.base |
16199
8181bd808dc5
scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents:
16198
diff
changeset
|
452 |
|
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
453 |
opener = vfs |
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
454 |
|
33412
a42369e04aee
vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents:
33282
diff
changeset
|
455 |
class proxyvfs(object): |
17845
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17821
diff
changeset
|
456 |
def __init__(self, vfs): |
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17821
diff
changeset
|
457 |
self.vfs = vfs |
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17821
diff
changeset
|
458 |
|
27879
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27851
diff
changeset
|
459 |
@property |
29714
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
29417
diff
changeset
|
460 |
def options(self): |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
29417
diff
changeset
|
461 |
return self.vfs.options |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
29417
diff
changeset
|
462 |
|
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
29417
diff
changeset
|
463 |
@options.setter |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
29417
diff
changeset
|
464 |
def options(self, value): |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
29417
diff
changeset
|
465 |
self.vfs.options = value |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
29417
diff
changeset
|
466 |
|
33412
a42369e04aee
vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents:
33282
diff
changeset
|
467 |
class filtervfs(abstractvfs, proxyvfs): |
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
468 |
'''Wrapper vfs for filtering filenames with a function.''' |
14090
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
469 |
|
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
470 |
def __init__(self, vfs, filter): |
33412
a42369e04aee
vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents:
33282
diff
changeset
|
471 |
proxyvfs.__init__(self, vfs) |
14090
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
472 |
self._filter = filter |
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
473 |
|
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
474 |
def __call__(self, path, *args, **kwargs): |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
475 |
return self.vfs(self._filter(path), *args, **kwargs) |
14090
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
476 |
|
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
24582
diff
changeset
|
477 |
def join(self, path, *insidef): |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17723
diff
changeset
|
478 |
if path: |
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
24582
diff
changeset
|
479 |
return self.vfs.join(self._filter(self.vfs.reljoin(path, *insidef))) |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17723
diff
changeset
|
480 |
else: |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
481 |
return self.vfs.join(path) |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17723
diff
changeset
|
482 |
|
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
483 |
filteropener = filtervfs |
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
484 |
|
33412
a42369e04aee
vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents:
33282
diff
changeset
|
485 |
class readonlyvfs(abstractvfs, proxyvfs): |
18213
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
486 |
'''Wrapper vfs preventing any writing.''' |
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
487 |
|
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
488 |
def __init__(self, vfs): |
33412
a42369e04aee
vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents:
33282
diff
changeset
|
489 |
proxyvfs.__init__(self, vfs) |
18213
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
490 |
|
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
491 |
def __call__(self, path, mode='r', *args, **kw): |
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
492 |
if mode not in ('r', 'rb'): |
29389
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
29373
diff
changeset
|
493 |
raise error.Abort(_('this vfs is read only')) |
18213
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
494 |
return self.vfs(path, mode, *args, **kw) |
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
495 |
|
26156
a112fffdb632
scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents:
26098
diff
changeset
|
496 |
def join(self, path, *insidef): |
a112fffdb632
scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents:
26098
diff
changeset
|
497 |
return self.vfs.join(path, *insidef) |
18213
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
498 |
|
29994
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
499 |
class closewrapbase(object): |
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
500 |
"""Base class of wrapper, which hooks closing |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
501 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
502 |
Do not instantiate outside of the vfs layer. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
503 |
""" |
29994
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
504 |
def __init__(self, fh): |
31644
f80d9ddc40f3
py3: abuse r'' to preserve str-ness of literals passed to __setattr__()
Yuya Nishihara <yuya@tcha.org>
parents:
31549
diff
changeset
|
505 |
object.__setattr__(self, r'_origfh', fh) |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
506 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
507 |
def __getattr__(self, attr): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
508 |
return getattr(self._origfh, attr) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
509 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
510 |
def __setattr__(self, attr, value): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
511 |
return setattr(self._origfh, attr, value) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
512 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
513 |
def __delattr__(self, attr): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
514 |
return delattr(self._origfh, attr) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
515 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
516 |
def __enter__(self): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
517 |
return self._origfh.__enter__() |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
518 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
519 |
def __exit__(self, exc_type, exc_value, exc_tb): |
29994
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
520 |
raise NotImplementedError('attempted instantiating ' + str(type(self))) |
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
521 |
|
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
522 |
def close(self): |
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
523 |
raise NotImplementedError('attempted instantiating ' + str(type(self))) |
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
524 |
|
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
525 |
class delayclosedfile(closewrapbase): |
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
526 |
"""Proxy for a file object whose close is delayed. |
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
527 |
|
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
528 |
Do not instantiate outside of the vfs layer. |
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
529 |
""" |
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
530 |
def __init__(self, fh, closer): |
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
531 |
super(delayclosedfile, self).__init__(fh) |
31644
f80d9ddc40f3
py3: abuse r'' to preserve str-ness of literals passed to __setattr__()
Yuya Nishihara <yuya@tcha.org>
parents:
31549
diff
changeset
|
532 |
object.__setattr__(self, r'_closer', closer) |
29994
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
533 |
|
0c40e64d6154
scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29802
diff
changeset
|
534 |
def __exit__(self, exc_type, exc_value, exc_tb): |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
535 |
self._closer.close(self._origfh) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
536 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
537 |
def close(self): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
538 |
self._closer.close(self._origfh) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
539 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
540 |
class backgroundfilecloser(object): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
541 |
"""Coordinates background closing of file handles on multiple threads.""" |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
542 |
def __init__(self, ui, expectedcount=-1): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
543 |
self._running = False |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
544 |
self._entered = False |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
545 |
self._threads = [] |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
546 |
self._threadexception = None |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
547 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
548 |
# Only Windows/NTFS has slow file closing. So only enable by default |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
549 |
# on that platform. But allow to be enabled elsewhere for testing. |
34645 | 550 |
defaultenabled = pycompat.iswindows |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
551 |
enabled = ui.configbool('worker', 'backgroundclose', defaultenabled) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
552 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
553 |
if not enabled: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
554 |
return |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
555 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
556 |
# There is overhead to starting and stopping the background threads. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
557 |
# Don't do background processing unless the file count is large enough |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
558 |
# to justify it. |
33231
d19804c16710
configitems: register the 'worker.backgroundcloseminfilecount' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33230
diff
changeset
|
559 |
minfilecount = ui.configint('worker', 'backgroundcloseminfilecount') |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
560 |
# FUTURE dynamically start background threads after minfilecount closes. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
561 |
# (We don't currently have any callers that don't know their file count) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
562 |
if expectedcount > 0 and expectedcount < minfilecount: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
563 |
return |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
564 |
|
33230
5dcbd2045dcb
configitems: register the 'worker.backgroundclosemaxqueue' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32772
diff
changeset
|
565 |
maxqueue = ui.configint('worker', 'backgroundclosemaxqueue') |
33232
4531a967e7f1
configitems: register the 'worker.backgroundclosethreadcount' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33231
diff
changeset
|
566 |
threadcount = ui.configint('worker', 'backgroundclosethreadcount') |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
567 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
568 |
ui.debug('starting %d threads for background file closing\n' % |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
569 |
threadcount) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
570 |
|
28819
826d457df138
scmutil: use util.queue/util.empty for py3 compat
timeless <timeless@mozdev.org>
parents:
28197
diff
changeset
|
571 |
self._queue = util.queue(maxsize=maxqueue) |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
572 |
self._running = True |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
573 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
574 |
for i in range(threadcount): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
575 |
t = threading.Thread(target=self._worker, name='backgroundcloser') |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
576 |
self._threads.append(t) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
577 |
t.start() |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
578 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
579 |
def __enter__(self): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
580 |
self._entered = True |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
581 |
return self |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
582 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
583 |
def __exit__(self, exc_type, exc_value, exc_tb): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
584 |
self._running = False |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
585 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
586 |
# Wait for threads to finish closing so open files don't linger for |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
587 |
# longer than lifetime of context manager. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
588 |
for t in self._threads: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
589 |
t.join() |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
590 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
591 |
def _worker(self): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
592 |
"""Main routine for worker thread.""" |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
593 |
while True: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
594 |
try: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
595 |
fh = self._queue.get(block=True, timeout=0.100) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
596 |
# Need to catch or the thread will terminate and |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
597 |
# we could orphan file descriptors. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
598 |
try: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
599 |
fh.close() |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
600 |
except Exception as e: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
601 |
# Stash so can re-raise from main thread later. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
602 |
self._threadexception = e |
28819
826d457df138
scmutil: use util.queue/util.empty for py3 compat
timeless <timeless@mozdev.org>
parents:
28197
diff
changeset
|
603 |
except util.empty: |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
604 |
if not self._running: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
605 |
break |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
606 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
607 |
def close(self, fh): |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
608 |
"""Schedule a file for closing.""" |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
609 |
if not self._entered: |
29389
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
29373
diff
changeset
|
610 |
raise error.Abort(_('can only call close() when context manager ' |
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
29373
diff
changeset
|
611 |
'active')) |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
612 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
613 |
# If a background thread encountered an exception, raise now so we fail |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
614 |
# fast. Otherwise we may potentially go on for minutes until the error |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
615 |
# is acted on. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
616 |
if self._threadexception: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
617 |
e = self._threadexception |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
618 |
self._threadexception = None |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
619 |
raise e |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
620 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
621 |
# If we're not actively running, close synchronously. |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
622 |
if not self._running: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
623 |
fh.close() |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
624 |
return |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
625 |
|
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
626 |
self._queue.put(fh, block=True, timeout=None) |
29995
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
627 |
|
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
628 |
class checkambigatclosing(closewrapbase): |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
629 |
"""Proxy for a file object, to avoid ambiguity of file stat |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
630 |
|
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
631 |
See also util.filestat for detail about "ambiguity of file stat". |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
632 |
|
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
633 |
This proxy is useful only if the target file is guarded by any |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
634 |
lock (e.g. repo.lock or repo.wlock) |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
635 |
|
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
636 |
Do not instantiate outside of the vfs layer. |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
637 |
""" |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
638 |
def __init__(self, fh): |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
639 |
super(checkambigatclosing, self).__init__(fh) |
32772
7ad95626f6a7
filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents:
32748
diff
changeset
|
640 |
object.__setattr__(self, r'_oldstat', util.filestat.frompath(fh.name)) |
29995
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
641 |
|
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
642 |
def _checkambig(self): |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
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parents:
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diff
changeset
|
643 |
oldstat = self._oldstat |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
644 |
if oldstat.stat: |
33280
646352291f5b
vfs: copy if EPERM to avoid file stat ambiguity forcibly at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33259
diff
changeset
|
645 |
_avoidambig(self._origfh.name, oldstat) |
29995
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
646 |
|
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
647 |
def __exit__(self, exc_type, exc_value, exc_tb): |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
648 |
self._origfh.__exit__(exc_type, exc_value, exc_tb) |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
649 |
self._checkambig() |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
650 |
|
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
651 |
def close(self): |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
652 |
self._origfh.close() |
57830bd0e787
scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29994
diff
changeset
|
653 |
self._checkambig() |