annotate mercurial/vfs.py @ 48663:bf424fe4f814

lfs: take lock before writing requirements With `share-safe`, we will also write file in the store, so we take the store lock before writing requirements. Differential Revision: https://phab.mercurial-scm.org/D11991
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Fri, 07 Jan 2022 17:33:27 +0100
parents 98c3fa6a3ac2
children 6000f5b25c9b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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0f31830fbfc4 vfs: extract 'vfs' class and related code to a new 'vfs' module (API)
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1 # vfs.py - Mercurial 'vfs' classes
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2 #
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3 # Copyright Olivia Mackall <olivia@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7 from __future__ import absolute_import
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8
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9 import contextlib
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10 import errno
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11 import os
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12 import shutil
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13 import stat
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14 import threading
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15
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16 from .i18n import _
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17 from .pycompat import (
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18 delattr,
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19 getattr,
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20 setattr,
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21 )
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22 from . import (
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23 encoding,
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24 error,
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25 pathutil,
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26 pycompat,
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27 util,
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28 )
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29
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30
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31 def _avoidambig(path, oldstat):
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32 """Avoid file stat ambiguity forcibly
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33
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34 This function causes copying ``path`` file, if it is owned by
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35 another (see issue5418 and issue5584 for detail).
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36 """
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37
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38 def checkandavoid():
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39 newstat = util.filestat.frompath(path)
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40 # return whether file stat ambiguity is (already) avoided
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41 return not newstat.isambig(oldstat) or newstat.avoidambig(path, oldstat)
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42
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43 if not checkandavoid():
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44 # simply copy to change owner of path to get privilege to
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45 # advance mtime (see issue5418)
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46 util.rename(util.mktempcopy(path), path)
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47 checkandavoid()
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48
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49
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50 class abstractvfs(object):
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51 """Abstract base class; cannot be instantiated"""
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52
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53 # default directory separator for vfs
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54 #
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55 # Other vfs code always use `/` and this works fine because python file API
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56 # abstract the use of `/` and make it work transparently. For consistency
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57 # vfs will always use `/` when joining. This avoid some confusion in
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58 # encoded vfs (see issue6546)
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59 _dir_sep = b'/'
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60
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61 def __init__(self, *args, **kwargs):
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62 '''Prevent instantiation; don't call this from subclasses.'''
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63 raise NotImplementedError('attempted instantiating ' + str(type(self)))
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64
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65 def __call__(self, path, mode=b'rb', **kwargs):
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66 raise NotImplementedError
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67
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68 def _auditpath(self, path, mode):
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69 raise NotImplementedError
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70
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71 def join(self, path, *insidef):
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72 raise NotImplementedError
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73
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74 def tryread(self, path):
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75 '''gracefully return an empty string for missing files'''
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76 try:
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77 return self.read(path)
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78 except IOError as inst:
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79 if inst.errno != errno.ENOENT:
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80 raise
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81 return b""
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82
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83 def tryreadlines(self, path, mode=b'rb'):
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84 '''gracefully return an empty array for missing files'''
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85 try:
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86 return self.readlines(path, mode=mode)
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87 except IOError as inst:
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88 if inst.errno != errno.ENOENT:
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89 raise
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90 return []
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91
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92 @util.propertycache
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93 def open(self):
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94 """Open ``path`` file, which is relative to vfs root.
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95
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96 Newly created directories are marked as "not to be indexed by
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97 the content indexing service", if ``notindexed`` is specified
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98 for "write" mode access.
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99 """
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100 return self.__call__
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101
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102 def read(self, path):
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103 with self(path, b'rb') as fp:
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104 return fp.read()
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105
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106 def readlines(self, path, mode=b'rb'):
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107 with self(path, mode=mode) as fp:
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108 return fp.readlines()
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109
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110 def write(self, path, data, backgroundclose=False, **kwargs):
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111 with self(path, b'wb', backgroundclose=backgroundclose, **kwargs) as fp:
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112 return fp.write(data)
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113
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114 def writelines(self, path, data, mode=b'wb', notindexed=False):
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115 with self(path, mode=mode, notindexed=notindexed) as fp:
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116 return fp.writelines(data)
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117
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118 def append(self, path, data):
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119 with self(path, b'ab') as fp:
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120 return fp.write(data)
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121
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122 def basename(self, path):
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parents: 25739
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123 """return base element of a path (as os.path.basename would do)
39de2e9cc6f4 vfs: add basename
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25739
diff changeset
124
39de2e9cc6f4 vfs: add basename
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25739
diff changeset
125 This exists to allow handling of strange encoding if needed."""
39de2e9cc6f4 vfs: add basename
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25739
diff changeset
126 return os.path.basename(path)
39de2e9cc6f4 vfs: add basename
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25739
diff changeset
127
20086
f3df2612f3c3 vfs: add "chmod()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20085
diff changeset
128 def chmod(self, path, mode):
f3df2612f3c3 vfs: add "chmod()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20085
diff changeset
129 return os.chmod(self.join(path), mode)
f3df2612f3c3 vfs: add "chmod()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20085
diff changeset
130
25772
5471965af5cb vfs: add dirname
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25770
diff changeset
131 def dirname(self, path):
5471965af5cb vfs: add dirname
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25770
diff changeset
132 """return dirname element of a path (as os.path.dirname would do)
5471965af5cb vfs: add dirname
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25770
diff changeset
133
5471965af5cb vfs: add dirname
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25770
diff changeset
134 This exists to allow handling of strange encoding if needed."""
5471965af5cb vfs: add dirname
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25770
diff changeset
135 return os.path.dirname(path)
5471965af5cb vfs: add dirname
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25770
diff changeset
136
17161
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
137 def exists(self, path=None):
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
138 return os.path.exists(self.join(path))
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
139
19899
8c3dcbbfb5de changelog: use "vfs.fstat()" instead of "util.fstat()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19897
diff changeset
140 def fstat(self, fp):
8c3dcbbfb5de changelog: use "vfs.fstat()" instead of "util.fstat()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19897
diff changeset
141 return util.fstat(fp)
8c3dcbbfb5de changelog: use "vfs.fstat()" instead of "util.fstat()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19897
diff changeset
142
17161
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
143 def isdir(self, path=None):
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
144 return os.path.isdir(self.join(path))
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
145
20085
589d6bb5b18d vfs: add "isfile()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20045
diff changeset
146 def isfile(self, path=None):
589d6bb5b18d vfs: add "isfile()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20045
diff changeset
147 return os.path.isfile(self.join(path))
589d6bb5b18d vfs: add "isfile()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20045
diff changeset
148
18949
138978f20180 localrepo: use "vfs.islink()" instead of "os.path.islink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18948
diff changeset
149 def islink(self, path=None):
138978f20180 localrepo: use "vfs.islink()" instead of "os.path.islink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18948
diff changeset
150 return os.path.islink(self.join(path))
138978f20180 localrepo: use "vfs.islink()" instead of "os.path.islink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18948
diff changeset
151
27571
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
152 def isfileorlink(self, path=None):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 44566
diff changeset
153 """return whether path is a regular file or a symlink
27571
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
154
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 44566
diff changeset
155 Unlike isfile, this doesn't follow symlinks."""
27571
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
156 try:
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
157 st = self.lstat(path)
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
158 except OSError:
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
159 return False
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
160 mode = st.st_mode
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
161 return stat.S_ISREG(mode) or stat.S_ISLNK(mode)
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
162
47809
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
163 def _join(self, *paths):
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
164 root_idx = 0
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
165 for idx, p in enumerate(paths):
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
166 if os.path.isabs(p) or p.startswith(self._dir_sep):
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
167 root_idx = idx
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
168 if root_idx != 0:
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
169 paths = paths[root_idx:]
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
170 paths = [p for p in paths if p]
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
171 return self._dir_sep.join(paths)
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
172
23581
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
173 def reljoin(self, *paths):
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
174 """join various elements of a path together (as os.path.join would do)
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
175
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
176 The vfs base is not injected so that path stay relative. This exists
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
177 to allow handling of strange encoding if needed."""
47809
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
178 return self._join(*paths)
23581
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
179
23582
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
180 def split(self, path):
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
181 """split top-most element of a path (as os.path.split would do)
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
182
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
183 This exists to allow handling of strange encoding if needed."""
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
184 return os.path.split(path)
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
185
21563
764b691b8bda vfs: add lexists() in current api
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21111
diff changeset
186 def lexists(self, path=None):
764b691b8bda vfs: add lexists() in current api
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21111
diff changeset
187 return os.path.lexists(self.join(path))
764b691b8bda vfs: add lexists() in current api
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21111
diff changeset
188
19900
7c21e3398931 context: use "vfs.lstat()" instead of "os.lstat()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19899
diff changeset
189 def lstat(self, path=None):
7c21e3398931 context: use "vfs.lstat()" instead of "os.lstat()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19899
diff changeset
190 return os.lstat(self.join(path))
7c21e3398931 context: use "vfs.lstat()" instead of "os.lstat()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19899
diff changeset
191
21799
dfacdd6a111e vfs: add listdir for os.listdir in vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21716
diff changeset
192 def listdir(self, path=None):
dfacdd6a111e vfs: add listdir for os.listdir in vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21716
diff changeset
193 return os.listdir(self.join(path))
dfacdd6a111e vfs: add listdir for os.listdir in vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21716
diff changeset
194
17161
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
195 def makedir(self, path=None, notindexed=True):
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
196 return util.makedir(self.join(path), notindexed)
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
197
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
198 def makedirs(self, path=None, mode=None):
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
199 return util.makedirs(self.join(path), mode)
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
200
20090
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
201 def makelock(self, info, path):
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
202 return util.makelock(info, self.join(path))
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
203
17723
ab23768746fd scmutil: reorder newly added functions for vfs support in dictionary order
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17681
diff changeset
204 def mkdir(self, path=None):
ab23768746fd scmutil: reorder newly added functions for vfs support in dictionary order
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17681
diff changeset
205 return os.mkdir(self.join(path))
ab23768746fd scmutil: reorder newly added functions for vfs support in dictionary order
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17681
diff changeset
206
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
207 def mkstemp(self, suffix=b'', prefix=b'tmp', dir=None):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
208 fd, name = pycompat.mkstemp(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
209 suffix=suffix, prefix=prefix, dir=self.join(dir)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
210 )
20980
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
211 dname, fname = util.split(name)
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
212 if dir:
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
213 return fd, os.path.join(dir, fname)
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
214 else:
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
215 return fd, fname
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
216
17747
aad3bce98f76 store: invoke "osutil.listdir()" via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17726
diff changeset
217 def readdir(self, path=None, stat=None, skip=None):
32208
d74b0cff94a9 osutil: proxy through util (and platform) modules (API)
Yuya Nishihara <yuya@tcha.org>
parents: 31644
diff changeset
218 return util.listdir(self.join(path), stat, skip)
17747
aad3bce98f76 store: invoke "osutil.listdir()" via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17726
diff changeset
219
20090
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
220 def readlock(self, path):
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
221 return util.readlock(self.join(path))
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
222
29203
731ced087a4b vfs: make rename avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29202
diff changeset
223 def rename(self, src, dst, checkambig=False):
29367
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
224 """Rename from src to dst
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
225
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
226 checkambig argument is used with util.filestat, and is useful
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
227 only if destination file is guarded by any lock
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
228 (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
229
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
230 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
231 copying ``src`` file, 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
232 checkambig=True only in limited cases (see also issue5418 and
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
233 issue5584 for detail).
29367
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
234 """
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
235 self._auditpath(dst, b'w')
32748
ed66ec39933f vfs: create copy at renaming to avoid file stat ambiguity if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 32747
diff changeset
236 srcpath = self.join(src)
29203
731ced087a4b vfs: make rename avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29202
diff changeset
237 dstpath = self.join(dst)
32772
7ad95626f6a7 filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents: 32748
diff changeset
238 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: 29202
diff changeset
239 if oldstat and oldstat.stat:
33281
6af0f023d014 vfs: replace avoiding ambiguity in abstractvfs.rename with _avoidambig
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33280
diff changeset
240 ret = util.rename(srcpath, dstpath)
6af0f023d014 vfs: replace avoiding ambiguity in abstractvfs.rename with _avoidambig
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33280
diff changeset
241 _avoidambig(dstpath, oldstat)
29203
731ced087a4b vfs: make rename avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29202
diff changeset
242 return ret
32748
ed66ec39933f vfs: create copy at renaming to avoid file stat ambiguity if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 32747
diff changeset
243 return util.rename(srcpath, dstpath)
18948
2f05fa162316 localrepo: use "vfs.rename()" instead of "util.rename()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18945
diff changeset
244
18950
647e3b0c8751 localrepo: use "vfs.readlink()" instead of "os.readlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18949
diff changeset
245 def readlink(self, path):
39904
5fe0b880200e py3: convert os.readlink() path to native strings on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 39464
diff changeset
246 return util.readlink(self.join(path))
18950
647e3b0c8751 localrepo: use "vfs.readlink()" instead of "os.readlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18949
diff changeset
247
24693
0d28b0df77ea vfs: add removedirs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24689
diff changeset
248 def removedirs(self, path=None):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 44566
diff changeset
249 """Remove a leaf directory and all empty intermediate ones"""
24693
0d28b0df77ea vfs: add removedirs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24689
diff changeset
250 return util.removedirs(self.join(path))
0d28b0df77ea vfs: add removedirs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24689
diff changeset
251
39464
3dd34b401bc2 merge: use vfs methods for I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38493
diff changeset
252 def rmdir(self, path=None):
3dd34b401bc2 merge: use vfs methods for I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38493
diff changeset
253 """Remove an empty directory."""
3dd34b401bc2 merge: use vfs methods for I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38493
diff changeset
254 return os.rmdir(self.join(path))
3dd34b401bc2 merge: use vfs methods for I/O
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38493
diff changeset
255
24689
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
256 def rmtree(self, path=None, ignore_errors=False, forcibly=False):
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
257 """Remove a directory tree recursively
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
258
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
259 If ``forcibly``, this tries to remove READ-ONLY files, too.
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
260 """
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
261 if forcibly:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
262
24689
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
263 def onerror(function, path, excinfo):
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
264 if function is not os.remove:
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
265 raise
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
266 # read-only files cannot be unlinked under Windows
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
267 s = os.stat(path)
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
268 if (s.st_mode & stat.S_IWRITE) != 0:
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
269 raise
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
270 os.chmod(path, stat.S_IMODE(s.st_mode) | stat.S_IWRITE)
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
271 os.remove(path)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
272
24689
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
273 else:
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
274 onerror = None
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
275 return shutil.rmtree(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
276 self.join(path), ignore_errors=ignore_errors, onerror=onerror
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
277 )
24689
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
278
18951
d13916a00b7e localrepo: use "vfs.setflags()" instead of "util.setflags()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18950
diff changeset
279 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
280 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
281
17726
7cb7e17c23b2 store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17725
diff changeset
282 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
283 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
284
19895
37c0d93fb166 bookmarks: use "vfs.unlink()" instead of "util.unlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19655
diff changeset
285 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
286 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
287
31542
fad440db3565 vfs: add tryunlink method
Ryan McElroy <rmcelroy@fb.com>
parents: 31309
diff changeset
288 def tryunlink(self, path=None):
fad440db3565 vfs: add tryunlink method
Ryan McElroy <rmcelroy@fb.com>
parents: 31309
diff changeset
289 """Attempt to remove a file, ignoring missing file errors."""
fad440db3565 vfs: add tryunlink method
Ryan McElroy <rmcelroy@fb.com>
parents: 31309
diff changeset
290 util.tryunlink(self.join(path))
fad440db3565 vfs: add tryunlink method
Ryan McElroy <rmcelroy@fb.com>
parents: 31309
diff changeset
291
38493
da2a7d8354b2 unlinkpath: make empty directory removal optional (issue5901) (issue5826)
Kyle Lippincott <spectral@google.com>
parents: 38164
diff changeset
292 def unlinkpath(self, path=None, ignoremissing=False, rmdir=True):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
293 return util.unlinkpath(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
294 self.join(path), ignoremissing=ignoremissing, rmdir=rmdir
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
295 )
21716
90f9be5adade vfs: add unlinkpath to vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21563
diff changeset
296
19896
af03279c766a bookmarks: use "vfs.utime()" instead of "os.utime()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19895
diff changeset
297 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
298 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
299
24725
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
300 def walk(self, path=None, onerror=None):
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
301 """Yield (dirpath, dirs, files) tuple for each directories under path
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
302
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
303 ``dirpath`` is relative one from the root of this vfs. This
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
304 uses ``os.sep`` as path separator, even you specify POSIX
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
305 style ``path``.
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
306
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
307 "The root of this vfs" is represented as empty ``dirpath``.
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
308 """
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
309 root = os.path.normpath(self.join(None))
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
310 # when dirpath == root, dirpath[prefixlen:] becomes empty
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
311 # because len(dirpath) < prefixlen.
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
312 prefixlen = len(pathutil.normasprefix(root))
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
313 for dirpath, dirs, files in os.walk(self.join(path), onerror=onerror):
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
314 yield (dirpath[prefixlen:], dirs, files)
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
315
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
316 @contextlib.contextmanager
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
317 def backgroundclosing(self, ui, expectedcount=-1):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
318 """Allow files to be closed asynchronously.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
319
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
320 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
321 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
322 asynchronously, on a background thread.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
323 """
35426
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
324 # 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
325 # 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
326 # only allow to use backgroundfilecloser when in main thread.
43482
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
327 if not isinstance(
47178
63286e0886a6 vfs: Fix deprecation warning in Python 3.10 (issue6520)
Karthikeyan Singaravelan <tir.karthi@gmail.com>
parents: 46819
diff changeset
328 threading.current_thread(),
43482
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
329 threading._MainThread, # pytype: disable=module-attr
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
330 ):
35426
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
331 yield
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
332 return
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
333 vfs = getattr(self, 'vfs', self)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
334 if getattr(vfs, '_backgroundfilecloser', None):
29389
98e8313dcd9e i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents: 29373
diff changeset
335 raise error.Abort(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
336 _(b'can only have 1 active background file closer')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
337 )
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
338
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
339 with backgroundfilecloser(ui, expectedcount=expectedcount) as bfc:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
340 try:
43482
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
341 vfs._backgroundfilecloser = (
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
342 bfc # pytype: disable=attribute-error
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
343 )
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
344 yield bfc
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
345 finally:
43482
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
346 vfs._backgroundfilecloser = (
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
347 None # pytype: disable=attribute-error
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
348 )
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
349
47443
9ab54aa56982 vfs: add a `register_file` method on the vfs class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47178
diff changeset
350 def register_file(self, path):
9ab54aa56982 vfs: add a `register_file` method on the vfs class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47178
diff changeset
351 """generic hook point to lets fncache steer its stew"""
9ab54aa56982 vfs: add a `register_file` method on the vfs class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47178
diff changeset
352
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
353
17649
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
354 class vfs(abstractvfs):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 44566
diff changeset
355 """Operate files relative to a base directory
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
356
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
357 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
358 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
359
377e8ddaebef pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents: 33435
diff changeset
360 '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
361 (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
362 See pathutil.pathauditor() for details.
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 44566
diff changeset
363 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
364
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
365 def __init__(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
366 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
367 base,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
368 audit=True,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
369 cacheaudited=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
370 expandpath=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
371 realpath=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
372 ):
18945
e75b72fffdfe vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18900
diff changeset
373 if expandpath:
e75b72fffdfe vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18900
diff changeset
374 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
375 if realpath:
e75b72fffdfe vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18900
diff changeset
376 base = os.path.realpath(base)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
377 self.base = base
33259
6fb5c5096887 vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33257
diff changeset
378 self._audit = audit
6fb5c5096887 vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33257
diff changeset
379 if audit:
33649
377e8ddaebef pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents: 33435
diff changeset
380 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
381 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
382 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
383 self.createmode = None
6fb5c5096887 vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33257
diff changeset
384 self._trustnlink = None
43025
3518da504303 vfs: give all vfs an options attribute by default
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41095
diff changeset
385 self.options = {}
17554
5450c8ad9d98 scmutil: turn opener._audit into a property, mustaudit
Bryan O'Sullivan <bryano@fb.com>
parents: 17248
diff changeset
386
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
387 @util.propertycache
14261
e3649bcca3f6 opener: rename _can_symlink to _cansymlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
388 def _cansymlink(self):
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
389 return util.checklink(self.base)
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
390
18192
f9a89bdd64a6 scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents: 17850
diff changeset
391 @util.propertycache
f9a89bdd64a6 scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents: 17850
diff changeset
392 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
393 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
394
17763
13070de77c86 vfs: backout fchmod change from 76b73ce0ffac
Matt Mackall <mpm@selenic.com>
parents: 17752
diff changeset
395 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
396 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
397 return
25658
e93036747902 global: mass rewrite to use modern octal syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25629
diff changeset
398 os.chmod(name, self.createmode & 0o666)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
399
40754
34f15db81cf0 vfs: extract the audit path logic into a submethod
Boris Feld <boris.feld@octobus.net>
parents: 39904
diff changeset
400 def _auditpath(self, path, mode):
34f15db81cf0 vfs: extract the audit path logic into a submethod
Boris Feld <boris.feld@octobus.net>
parents: 39904
diff changeset
401 if self._audit:
41090
c8006a25b845 vfs: makes all audited path relative
Boris Feld <boris.feld@octobus.net>
parents: 40989
diff changeset
402 if os.path.isabs(path) and path.startswith(self.base):
c8006a25b845 vfs: makes all audited path relative
Boris Feld <boris.feld@octobus.net>
parents: 40989
diff changeset
403 path = os.path.relpath(path, self.base)
40754
34f15db81cf0 vfs: extract the audit path logic into a submethod
Boris Feld <boris.feld@octobus.net>
parents: 39904
diff changeset
404 r = util.checkosfilename(path)
34f15db81cf0 vfs: extract the audit path logic into a submethod
Boris Feld <boris.feld@octobus.net>
parents: 39904
diff changeset
405 if r:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
406 raise error.Abort(b"%s: %r" % (r, path))
40754
34f15db81cf0 vfs: extract the audit path logic into a submethod
Boris Feld <boris.feld@octobus.net>
parents: 39904
diff changeset
407 self.audit(path, mode=mode)
34f15db81cf0 vfs: extract the audit path logic into a submethod
Boris Feld <boris.feld@octobus.net>
parents: 39904
diff changeset
408
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
409 def __call__(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
410 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
411 path,
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
412 mode=b"r",
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
413 atomictemp=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
414 notindexed=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
415 backgroundclose=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
416 checkambig=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
417 auditpath=True,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
418 makeparentdirs=True,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
419 ):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 44566
diff changeset
420 """Open ``path`` file, which is relative to vfs root.
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
421
40796
03bca908d9fb vfs: add option to not create parent directories implicitly
Yuya Nishihara <yuya@tcha.org>
parents: 40754
diff changeset
422 By default, parent directories are created as needed. Newly created
03bca908d9fb vfs: add option to not create parent directories implicitly
Yuya Nishihara <yuya@tcha.org>
parents: 40754
diff changeset
423 directories are marked as "not to be indexed by the content indexing
03bca908d9fb vfs: add option to not create parent directories implicitly
Yuya Nishihara <yuya@tcha.org>
parents: 40754
diff changeset
424 service", if ``notindexed`` is specified for "write" mode access.
03bca908d9fb vfs: add option to not create parent directories implicitly
Yuya Nishihara <yuya@tcha.org>
parents: 40754
diff changeset
425 Set ``makeparentdirs=False`` to not create directories implicitly.
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
426
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
427 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
428 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
429 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
430
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
431 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
432 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
433 asynchronously closing files is not realized.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
434 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
435 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
436 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
437 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
438 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
439
44566
77d48738b8e0 vfs: fix typo in comment (remove extra "l")
Kyle Lippincott <spectral@google.com>
parents: 43506
diff changeset
440 ``checkambig`` argument is passed to atomictempfile (valid
29367
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
441 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
442 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
443
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
444 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
445 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
446 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
447 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
448 cases (see also issue5418 and issue5584 for detail).
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 44566
diff changeset
449 """
33257
15e9cbe6ae49 vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33234
diff changeset
450 if auditpath:
40754
34f15db81cf0 vfs: extract the audit path logic into a submethod
Boris Feld <boris.feld@octobus.net>
parents: 39904
diff changeset
451 self._auditpath(path, mode)
16199
8181bd808dc5 scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents: 16198
diff changeset
452 f = self.join(path)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
453
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
454 if b"b" not in mode:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
455 mode += b"b" # for that other OS
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
456
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
457 nlink = -1
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
458 if mode not in (b'r', b'rb'):
17937
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
459 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
460 # 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
461 # 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
462 if basename:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
463 if atomictemp:
40796
03bca908d9fb vfs: add option to not create parent directories implicitly
Yuya Nishihara <yuya@tcha.org>
parents: 40754
diff changeset
464 if makeparentdirs:
03bca908d9fb vfs: add option to not create parent directories implicitly
Yuya Nishihara <yuya@tcha.org>
parents: 40754
diff changeset
465 util.makedirs(dirname, self.createmode, notindexed)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
466 return util.atomictempfile(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
467 f, mode, self.createmode, checkambig=checkambig
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
468 )
17937
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
469 try:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
470 if b'w' in mode:
17937
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
471 util.unlink(f)
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
472 nlink = 0
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
473 else:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
474 # 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
475 # 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
476 with util.posixfile(f):
22e362da27cf scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27651
diff changeset
477 nlink = util.nlinks(f)
22e362da27cf scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27651
diff changeset
478 if nlink < 1:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
479 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
480 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
481 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
482 raise
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
483 nlink = 0
40796
03bca908d9fb vfs: add option to not create parent directories implicitly
Yuya Nishihara <yuya@tcha.org>
parents: 40754
diff changeset
484 if makeparentdirs:
03bca908d9fb vfs: add option to not create parent directories implicitly
Yuya Nishihara <yuya@tcha.org>
parents: 40754
diff changeset
485 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
486 if nlink > 0:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
487 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
488 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
489 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
490 util.rename(util.mktempcopy(f), f)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
491 fp = util.posixfile(f, mode)
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
492 if nlink == 0:
17763
13070de77c86 vfs: backout fchmod change from 76b73ce0ffac
Matt Mackall <mpm@selenic.com>
parents: 17752
diff changeset
493 self._fixfilemode(f)
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
494
29996
9766d88c2465 vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29995
diff changeset
495 if checkambig:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
496 if mode in (b'r', b'rb'):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
497 raise error.Abort(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
498 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
499 b'implementation error: mode %s is not'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
500 b' valid for checkambig=True'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
501 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
502 % mode
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
503 )
29996
9766d88c2465 vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29995
diff changeset
504 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
505
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
506 if backgroundclose and isinstance(
47178
63286e0886a6 vfs: Fix deprecation warning in Python 3.10 (issue6520)
Karthikeyan Singaravelan <tir.karthi@gmail.com>
parents: 46819
diff changeset
507 threading.current_thread(),
43482
fc19f8ab8199 vfs: suppress some pytype errors around us using a private attribute
Augie Fackler <augie@google.com>
parents: 43468
diff changeset
508 threading._MainThread, # pytype: disable=module-attr
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
509 ):
43484
da9ecbb10368 vfs: more attribute suppressions
Augie Fackler <augie@google.com>
parents: 43482
diff changeset
510 if (
da9ecbb10368 vfs: more attribute suppressions
Augie Fackler <augie@google.com>
parents: 43482
diff changeset
511 not self._backgroundfilecloser # pytype: disable=attribute-error
da9ecbb10368 vfs: more attribute suppressions
Augie Fackler <augie@google.com>
parents: 43482
diff changeset
512 ):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
513 raise error.Abort(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
514 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
515 b'backgroundclose can only be used when a '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
516 b'backgroundclosing context manager is active'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
517 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
518 )
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
519
43484
da9ecbb10368 vfs: more attribute suppressions
Augie Fackler <augie@google.com>
parents: 43482
diff changeset
520 fp = delayclosedfile(
da9ecbb10368 vfs: more attribute suppressions
Augie Fackler <augie@google.com>
parents: 43482
diff changeset
521 fp,
da9ecbb10368 vfs: more attribute suppressions
Augie Fackler <augie@google.com>
parents: 43482
diff changeset
522 self._backgroundfilecloser, # pytype: disable=attribute-error
da9ecbb10368 vfs: more attribute suppressions
Augie Fackler <augie@google.com>
parents: 43482
diff changeset
523 )
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
524
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
525 return fp
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
526
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
527 def symlink(self, src, dst):
18327
4aecdb91443c scmutil: simplify vfs.audit - drop wrapped vfs.auditor
Mads Kiilerich <mads@kiilerich.com>
parents: 18316
diff changeset
528 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
529 linkname = self.join(dst)
31549
18b9d9b95719 vfs: use tryunlink
Ryan McElroy <rmcelroy@fb.com>
parents: 31542
diff changeset
530 util.tryunlink(linkname)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
531
29017
07be86828e79 util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents: 28819
diff changeset
532 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
533
14261
e3649bcca3f6 opener: rename _can_symlink to _cansymlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
534 if self._cansymlink:
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
535 try:
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
536 os.symlink(src, linkname)
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25658
diff changeset
537 except OSError as err:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
538 raise OSError(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
539 err.errno,
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
540 _(b'could not symlink to %r: %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
541 % (src, encoding.strtolocal(err.strerror)),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
542 linkname,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
543 )
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
544 else:
17768
9837cafc25b1 vfs: use self.write to write symlink placeholders
Matt Mackall <mpm@selenic.com>
parents: 17763
diff changeset
545 self.write(dst, src)
13971
bfeaa88b875d move canonpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13970
diff changeset
546
24628
a0b47885a1c5 vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents: 24582
diff changeset
547 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
548 if path:
47809
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
549 parts = [self.base, path]
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
550 parts.extend(insidef)
98c3fa6a3ac2 vfs: always use / as file separator (issue6546)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47443
diff changeset
551 return self._join(*parts)
17681
a41fd730f230 scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents: 17675
diff changeset
552 else:
a41fd730f230 scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents: 17675
diff changeset
553 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
554
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
555
17649
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
556 opener = vfs
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
557
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
558
41093
6498f0e03526 vfs: fix proxyvfs inheritance
Boris Feld <boris.feld@octobus.net>
parents: 41092
diff changeset
559 class proxyvfs(abstractvfs):
17845
408ded42c5ec scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents: 17821
diff changeset
560 def __init__(self, vfs):
408ded42c5ec scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents: 17821
diff changeset
561 self.vfs = vfs
408ded42c5ec scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents: 17821
diff changeset
562
41094
adee334d94cd vfs: handle _auditpath in proxyvfs
Boris Feld <boris.feld@octobus.net>
parents: 41093
diff changeset
563 def _auditpath(self, path, mode):
adee334d94cd vfs: handle _auditpath in proxyvfs
Boris Feld <boris.feld@octobus.net>
parents: 41093
diff changeset
564 return self.vfs._auditpath(path, mode)
adee334d94cd vfs: handle _auditpath in proxyvfs
Boris Feld <boris.feld@octobus.net>
parents: 41093
diff changeset
565
27879
52a4ad62b006 cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents: 27851
diff changeset
566 @property
29714
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
567 def options(self):
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
568 return self.vfs.options
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
569
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
570 @options.setter
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
571 def options(self, value):
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
572 self.vfs.options = value
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
573
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
574
41093
6498f0e03526 vfs: fix proxyvfs inheritance
Boris Feld <boris.feld@octobus.net>
parents: 41092
diff changeset
575 class filtervfs(proxyvfs, abstractvfs):
17649
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
576 '''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
577
17846
f42cf30873dc scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents: 17845
diff changeset
578 def __init__(self, vfs, filter):
33412
a42369e04aee vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents: 33282
diff changeset
579 proxyvfs.__init__(self, vfs)
14090
e24b5e3c2f27 add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14089
diff changeset
580 self._filter = filter
e24b5e3c2f27 add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14089
diff changeset
581
e24b5e3c2f27 add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14089
diff changeset
582 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
583 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
584
24628
a0b47885a1c5 vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents: 24582
diff changeset
585 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
586 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
587 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
588 else:
17846
f42cf30873dc scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents: 17845
diff changeset
589 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
590
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
591
17649
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
592 filteropener = filtervfs
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
593
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
594
41093
6498f0e03526 vfs: fix proxyvfs inheritance
Boris Feld <boris.feld@octobus.net>
parents: 41092
diff changeset
595 class readonlyvfs(proxyvfs):
18213
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
596 '''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
597
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
598 def __init__(self, vfs):
33412
a42369e04aee vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents: 33282
diff changeset
599 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
600
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
601 def __call__(self, path, mode=b'r', *args, **kw):
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
602 if mode not in (b'r', b'rb'):
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
603 raise error.Abort(_(b'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
604 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
605
26156
a112fffdb632 scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents: 26098
diff changeset
606 def join(self, path, *insidef):
a112fffdb632 scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents: 26098
diff changeset
607 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
608
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
609
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
610 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
611 """Base class of wrapper, which hooks closing
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 Do not instantiate outside of the vfs layer.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
614 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
615
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
616 def __init__(self, fh):
43506
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43484
diff changeset
617 object.__setattr__(self, '_origfh', fh)
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
618
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
619 def __getattr__(self, attr):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
620 return getattr(self._origfh, attr)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
621
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
622 def __setattr__(self, attr, value):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
623 return setattr(self._origfh, attr, value)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
624
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
625 def __delattr__(self, attr):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
626 return delattr(self._origfh, attr)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
627
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
628 def __enter__(self):
40939
8d9f366b7f19 vfs: ensure closewrapbase fh doesn't escape by entering context manager
Matt Harbison <matt_harbison@yahoo.com>
parents: 39904
diff changeset
629 self._origfh.__enter__()
8d9f366b7f19 vfs: ensure closewrapbase fh doesn't escape by entering context manager
Matt Harbison <matt_harbison@yahoo.com>
parents: 39904
diff changeset
630 return self
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
631
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
632 def __exit__(self, exc_type, exc_value, exc_tb):
43466
2dcd4e773193 vfs: fix erroneous bytes constants
Augie Fackler <augie@google.com>
parents: 43462
diff changeset
633 raise NotImplementedError('attempted instantiating ' + str(type(self)))
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
634
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
635 def close(self):
43466
2dcd4e773193 vfs: fix erroneous bytes constants
Augie Fackler <augie@google.com>
parents: 43462
diff changeset
636 raise NotImplementedError('attempted instantiating ' + str(type(self)))
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
637
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
638
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
639 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
640 """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
641
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
642 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
643 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
644
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
645 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
646 super(delayclosedfile, self).__init__(fh)
43506
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43484
diff changeset
647 object.__setattr__(self, '_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
648
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
649 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
650 self._closer.close(self._origfh)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
651
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
652 def close(self):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
653 self._closer.close(self._origfh)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
654
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
655
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
656 class backgroundfilecloser(object):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
657 """Coordinates background closing of file handles on multiple threads."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
658
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
659 def __init__(self, ui, expectedcount=-1):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
660 self._running = False
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
661 self._entered = False
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
662 self._threads = []
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
663 self._threadexception = None
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
664
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
665 # 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
666 # on that platform. But allow to be enabled elsewhere for testing.
34645
75979c8d4572 codemod: use pycompat.iswindows
Jun Wu <quark@fb.com>
parents: 34022
diff changeset
667 defaultenabled = pycompat.iswindows
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
668 enabled = ui.configbool(b'worker', b'backgroundclose', defaultenabled)
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
669
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
670 if not enabled:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
671 return
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
672
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
673 # 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
674 # 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
675 # to justify it.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
676 minfilecount = ui.configint(b'worker', b'backgroundcloseminfilecount')
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
677 # FUTURE dynamically start background threads after minfilecount closes.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
678 # (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
679 if expectedcount > 0 and expectedcount < minfilecount:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
680 return
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
681
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
682 maxqueue = ui.configint(b'worker', b'backgroundclosemaxqueue')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
683 threadcount = ui.configint(b'worker', b'backgroundclosethreadcount')
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
684
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
685 ui.debug(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
686 b'starting %d threads for background file closing\n' % threadcount
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
687 )
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
688
37844
8fb9985382be pycompat: export queue module instead of symbols in module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35725
diff changeset
689 self._queue = pycompat.queue.Queue(maxsize=maxqueue)
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
690 self._running = True
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
691
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
692 for i in range(threadcount):
43462
ffd632c224c3 vfs: another bytes-str confusion on thread name
Augie Fackler <augie@google.com>
parents: 43117
diff changeset
693 t = threading.Thread(target=self._worker, name='backgroundcloser')
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
694 self._threads.append(t)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
695 t.start()
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
696
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
697 def __enter__(self):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
698 self._entered = True
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
699 return self
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
700
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
701 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
702 self._running = False
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
703
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
704 # 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
705 # longer than lifetime of context manager.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
706 for t in self._threads:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
707 t.join()
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
708
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
709 def _worker(self):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
710 """Main routine for worker thread."""
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
711 while True:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
712 try:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
713 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
714 # 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
715 # we could orphan file descriptors.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
716 try:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
717 fh.close()
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
718 except Exception as e:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
719 # 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
720 self._threadexception = e
37844
8fb9985382be pycompat: export queue module instead of symbols in module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35725
diff changeset
721 except pycompat.queue.Empty:
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
722 if not self._running:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
723 break
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
724
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
725 def close(self, fh):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
726 """Schedule a file for closing."""
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
727 if not self._entered:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
728 raise error.Abort(
43117
8ff1ecfadcd1 cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents: 43090
diff changeset
729 _(b'can only call close() when context manager active')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
730 )
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
731
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
732 # 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
733 # 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
734 # is acted on.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
735 if self._threadexception:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
736 e = self._threadexception
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
737 self._threadexception = None
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
738 raise e
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
739
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
740 # If we're not actively running, close synchronously.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
741 if not self._running:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
742 fh.close()
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
743 return
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
744
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
745 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
746
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
747
29995
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
748 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
749 """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
750
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
751 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
752
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
753 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
754 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
755
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
756 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
757 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43025
diff changeset
758
29995
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
759 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
760 super(checkambigatclosing, self).__init__(fh)
43506
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43484
diff changeset
761 object.__setattr__(self, '_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
762
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
763 def _checkambig(self):
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
764 oldstat = self._oldstat
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
765 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
766 _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
767
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
768 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
769 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
770 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
771
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
772 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
773 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
774 self._checkambig()