annotate mercurial/vfs.py @ 36439:02cd2fb6de72

narrow: drop redundant templatekw/revset names from help text ":<name>:" is automatically added by the registrar.
author Yuya Nishihara <yuya@tcha.org>
date Sun, 25 Feb 2018 13:42:51 +0900
parents 2a7e777c9eed
children 8fb9985382be
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
31217
0f31830fbfc4 vfs: extract 'vfs' class and related code to a new 'vfs' module (API)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31025
diff changeset
1 # vfs.py - Mercurial 'vfs' classes
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8b252e826c68 add: introduce a warning message for non-portable filenames (issue2756) (BC)
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff changeset
2 #
8b252e826c68 add: introduce a warning message for non-portable filenames (issue2756) (BC)
Adrian Buehlmann <adrian@cadifra.com>
parents:
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3 # Copyright Matt Mackall <mpm@selenic.com>
8b252e826c68 add: introduce a warning message for non-portable filenames (issue2756) (BC)
Adrian Buehlmann <adrian@cadifra.com>
parents:
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4 #
8b252e826c68 add: introduce a warning message for non-portable filenames (issue2756) (BC)
Adrian Buehlmann <adrian@cadifra.com>
parents:
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5 # This software may be used and distributed according to the terms of the
8b252e826c68 add: introduce a warning message for non-portable filenames (issue2756) (BC)
Adrian Buehlmann <adrian@cadifra.com>
parents:
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6 # GNU General Public License version 2 or any later version.
27482
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
7 from __future__ import absolute_import
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
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8
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2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
9 import contextlib
27482
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
10 import errno
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
11 import os
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
12 import shutil
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
13 import stat
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
14 import tempfile
27895
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
15 import threading
27482
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
16
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
17 from .i18n import _
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
18 from . import (
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Augie Fackler <raf@durin42.com>
parents: 33649
diff changeset
19 encoding,
27482
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
20 error,
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
diff changeset
21 pathutil,
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af7c60988f6e py3: make scmutil.rcpath() return bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30109
diff changeset
22 pycompat,
27482
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
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23 util,
dde3da2246f1 scmutil: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27093
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24 )
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Kevin Bullock <kbullock@ringworld.org>
parents: 18678
diff changeset
25
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
26 def _avoidambig(path, oldstat):
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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27 """Avoid file stat ambiguity forcibly
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
diff changeset
28
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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29 This function causes copying ``path`` file, if it is owned by
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
diff changeset
30 another (see issue5418 and issue5584 for detail).
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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31 """
646352291f5b vfs: copy if EPERM to avoid file stat ambiguity forcibly at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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32 def checkandavoid():
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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33 newstat = util.filestat.frompath(path)
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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34 # return whether file stat ambiguity is (already) avoided
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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35 return (not newstat.isambig(oldstat) or
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parents: 33259
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36 newstat.avoidambig(path, oldstat))
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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37 if not checkandavoid():
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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38 # simply copy to change owner of path to get privilege to
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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39 # advance mtime (see issue5418)
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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40 util.rename(util.mktempcopy(path), path)
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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41 checkandavoid()
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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42
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
43 class abstractvfs(object):
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d3f7e110c3c0 opener: introduce an abstact superclass of it
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14068
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44 """Abstract base class; cannot be instantiated"""
d3f7e110c3c0 opener: introduce an abstact superclass of it
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14068
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45
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14068
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46 def __init__(self, *args, **kwargs):
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parents: 14068
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47 '''Prevent instantiation; don't call this from subclasses.'''
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parents: 14068
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48 raise NotImplementedError('attempted instantiating ' + str(type(self)))
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parents: 14068
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49
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Matt Mackall <mpm@selenic.com>
parents: 16436
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50 def tryread(self, path):
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Thomas Arendsen Hein <thomas@intevation.de>
parents: 16455
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51 '''gracefully return an empty string for missing files'''
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Matt Mackall <mpm@selenic.com>
parents: 16436
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52 try:
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parents: 16436
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53 return self.read(path)
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parents: 25658
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54 except IOError as inst:
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parents: 16436
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55 if inst.errno != errno.ENOENT:
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parents: 16436
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56 raise
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Matt Mackall <mpm@selenic.com>
parents: 16436
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57 return ""
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parents: 16436
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58
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23259
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59 def tryreadlines(self, path, mode='rb'):
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parents: 23259
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60 '''gracefully return an empty array for missing files'''
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parents: 23259
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61 try:
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23259
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62 return self.readlines(path, mode=mode)
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parents: 25658
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63 except IOError as inst:
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parents: 23259
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64 if inst.errno != errno.ENOENT:
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23259
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65 raise
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parents: 23259
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66 return []
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parents: 23259
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67
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29714
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68 @util.propertycache
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parents: 29714
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69 def open(self):
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parents: 23368
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70 '''Open ``path`` file, which is relative to vfs root.
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parents: 23368
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71
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parents: 23368
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72 Newly created directories are marked as "not to be indexed by
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parents: 23368
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73 the content indexing service", if ``notindexed`` is specified
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parents: 23368
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74 for "write" mode access.
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23368
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75 '''
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29714
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76 return self.__call__
19897
896a4568def7 vfs: add "open()" for newly added code paths which open files via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19896
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77
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14138
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78 def read(self, path):
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parents: 27651
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79 with self(path, 'rb') as fp:
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14090
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80 return fp.read()
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14090
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81
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23259
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82 def readlines(self, path, mode='rb'):
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 27651
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83 with self(path, mode=mode) as fp:
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23259
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84 return fp.readlines()
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23259
diff changeset
85
35725
2a7e777c9eed write: add the possibility to pass keyword argument from batchget to vfs
Boris Feld <boris.feld@octobus.net>
parents: 35625
diff changeset
86 def write(self, path, data, backgroundclose=False, **kwargs):
2a7e777c9eed write: add the possibility to pass keyword argument from batchget to vfs
Boris Feld <boris.feld@octobus.net>
parents: 35625
diff changeset
87 with self(path, 'wb', backgroundclose=backgroundclose, **kwargs) as fp:
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14138
diff changeset
88 return fp.write(data)
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14138
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89
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23370
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90 def writelines(self, path, data, mode='wb', notindexed=False):
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parents: 27651
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91 with self(path, mode=mode, notindexed=notindexed) as fp:
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parents: 23370
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92 return fp.writelines(data)
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parents: 23370
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93
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14138
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94 def append(self, path, data):
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 27651
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95 with self(path, 'ab') as fp:
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14090
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96 return fp.write(data)
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14090
diff changeset
97
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25739
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98 def basename(self, path):
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25739
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99 """return base element of a path (as os.path.basename would do)
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25739
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100
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parents: 25739
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101 This exists to allow handling of strange encoding if needed."""
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parents: 25739
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102 return os.path.basename(path)
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25739
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103
20086
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20085
diff changeset
104 def chmod(self, path, mode):
f3df2612f3c3 vfs: add "chmod()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20085
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105 return os.chmod(self.join(path), mode)
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20085
diff changeset
106
25772
5471965af5cb vfs: add dirname
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25770
diff changeset
107 def dirname(self, path):
5471965af5cb vfs: add dirname
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25770
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108 """return dirname element of a path (as os.path.dirname would do)
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parents: 25770
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109
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parents: 25770
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110 This exists to allow handling of strange encoding if needed."""
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parents: 25770
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111 return os.path.dirname(path)
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 25770
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112
17161
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
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113 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
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114 return os.path.exists(self.join(path))
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
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115
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19897
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116 def fstat(self, fp):
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19897
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117 return util.fstat(fp)
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parents: 19897
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118
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119 def isdir(self, path=None):
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parents: 17157
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120 return os.path.isdir(self.join(path))
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
121
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20045
diff changeset
122 def isfile(self, path=None):
589d6bb5b18d vfs: add "isfile()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20045
diff changeset
123 return os.path.isfile(self.join(path))
589d6bb5b18d vfs: add "isfile()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20045
diff changeset
124
18949
138978f20180 localrepo: use "vfs.islink()" instead of "os.path.islink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18948
diff changeset
125 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
126 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
127
27571
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
128 def isfileorlink(self, path=None):
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
129 '''return whether path is a regular file or a symlink
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
130
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
131 Unlike isfile, this doesn't follow symlinks.'''
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
132 try:
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
133 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
134 except OSError:
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
135 return False
6a6e78f84cc6 merge: while checking for unknown files don't follow symlinks (issue5027)
Siddharth Agarwal <sid0@fb.com>
parents: 26836
diff changeset
136 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
137 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
138
23581
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
139 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
140 """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
141
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
142 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
143 to allow handling of strange encoding if needed."""
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
144 return os.path.join(*paths)
aed981c7bebf vfs: add a 'reljoin' function for joining relative paths
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23539
diff changeset
145
23582
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
146 def split(self, path):
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
147 """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
148
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
149 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
150 return os.path.split(path)
7559dc8c4238 vfs: add a 'split' method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23581
diff changeset
151
21563
764b691b8bda vfs: add lexists() in current api
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21111
diff changeset
152 def lexists(self, path=None):
764b691b8bda vfs: add lexists() in current api
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21111
diff changeset
153 return os.path.lexists(self.join(path))
764b691b8bda vfs: add lexists() in current api
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21111
diff changeset
154
19900
7c21e3398931 context: use "vfs.lstat()" instead of "os.lstat()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19899
diff changeset
155 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
156 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
157
21799
dfacdd6a111e vfs: add listdir for os.listdir in vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21716
diff changeset
158 def listdir(self, path=None):
dfacdd6a111e vfs: add listdir for os.listdir in vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21716
diff changeset
159 return os.listdir(self.join(path))
dfacdd6a111e vfs: add listdir for os.listdir in vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21716
diff changeset
160
17161
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
161 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
162 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
163
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
164 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
165 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
166
20090
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
167 def makelock(self, info, path):
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
168 return util.makelock(info, self.join(path))
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
169
17723
ab23768746fd scmutil: reorder newly added functions for vfs support in dictionary order
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17681
diff changeset
170 def mkdir(self, path=None):
ab23768746fd scmutil: reorder newly added functions for vfs support in dictionary order
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17681
diff changeset
171 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
172
35625
390f860228ba vfs: drop text mode flag (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35426
diff changeset
173 def mkstemp(self, suffix='', prefix='tmp', dir=None):
20980
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
174 fd, name = tempfile.mkstemp(suffix=suffix, prefix=prefix,
35625
390f860228ba vfs: drop text mode flag (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35426
diff changeset
175 dir=self.join(dir))
20980
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
176 dname, fname = util.split(name)
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
177 if dir:
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
178 return fd, os.path.join(dir, fname)
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
179 else:
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
180 return fd, fname
6fb4c94ae300 vfs: add "mkstemp()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20862
diff changeset
181
17747
aad3bce98f76 store: invoke "osutil.listdir()" via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17726
diff changeset
182 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
183 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
184
20090
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
185 def readlock(self, path):
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
186 return util.readlock(self.join(path))
88d8e568add1 vfs: add "makelock()" and "readlock()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20086
diff changeset
187
29203
731ced087a4b vfs: make rename avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29202
diff changeset
188 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
189 """Rename from src to dst
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
190
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
191 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
192 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
193 (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
194
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
195 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
196 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
197 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
198 issue5584 for detail).
29367
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
199 """
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
200 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
201 dstpath = self.join(dst)
32772
7ad95626f6a7 filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents: 32748
diff changeset
202 oldstat = checkambig and util.filestat.frompath(dstpath)
29203
731ced087a4b vfs: make rename avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29202
diff changeset
203 if oldstat and oldstat.stat:
33281
6af0f023d014 vfs: replace avoiding ambiguity in abstractvfs.rename with _avoidambig
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33280
diff changeset
204 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
205 _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
206 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
207 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
208
18950
647e3b0c8751 localrepo: use "vfs.readlink()" instead of "os.readlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18949
diff changeset
209 def readlink(self, path):
647e3b0c8751 localrepo: use "vfs.readlink()" instead of "os.readlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18949
diff changeset
210 return os.readlink(self.join(path))
647e3b0c8751 localrepo: use "vfs.readlink()" instead of "os.readlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18949
diff changeset
211
24693
0d28b0df77ea vfs: add removedirs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24689
diff changeset
212 def removedirs(self, path=None):
0d28b0df77ea vfs: add removedirs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24689
diff changeset
213 """Remove a leaf directory and all empty intermediate ones
0d28b0df77ea vfs: add removedirs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24689
diff changeset
214 """
0d28b0df77ea vfs: add removedirs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24689
diff changeset
215 return util.removedirs(self.join(path))
0d28b0df77ea vfs: add removedirs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24689
diff changeset
216
24689
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
217 def rmtree(self, path=None, ignore_errors=False, forcibly=False):
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
218 """Remove a directory tree recursively
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
219
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
220 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
221 """
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
222 if forcibly:
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
223 def onerror(function, path, excinfo):
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
224 if function is not os.remove:
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
225 raise
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
226 # read-only files cannot be unlinked under Windows
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
227 s = os.stat(path)
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
228 if (s.st_mode & stat.S_IWRITE) != 0:
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
229 raise
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
230 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
231 os.remove(path)
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
232 else:
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
233 onerror = None
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
234 return shutil.rmtree(self.join(path),
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
235 ignore_errors=ignore_errors, onerror=onerror)
ca3a90096c95 vfs: add rmtree
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24635
diff changeset
236
18951
d13916a00b7e localrepo: use "vfs.setflags()" instead of "util.setflags()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18950
diff changeset
237 def setflags(self, path, l, x):
d13916a00b7e localrepo: use "vfs.setflags()" instead of "util.setflags()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18950
diff changeset
238 return util.setflags(self.join(path), l, x)
d13916a00b7e localrepo: use "vfs.setflags()" instead of "util.setflags()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18950
diff changeset
239
17726
7cb7e17c23b2 store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17725
diff changeset
240 def stat(self, path=None):
7cb7e17c23b2 store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17725
diff changeset
241 return os.stat(self.join(path))
7cb7e17c23b2 store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17725
diff changeset
242
19895
37c0d93fb166 bookmarks: use "vfs.unlink()" instead of "util.unlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19655
diff changeset
243 def unlink(self, path=None):
37c0d93fb166 bookmarks: use "vfs.unlink()" instead of "util.unlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19655
diff changeset
244 return util.unlink(self.join(path))
37c0d93fb166 bookmarks: use "vfs.unlink()" instead of "util.unlink()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19655
diff changeset
245
31542
fad440db3565 vfs: add tryunlink method
Ryan McElroy <rmcelroy@fb.com>
parents: 31309
diff changeset
246 def tryunlink(self, path=None):
fad440db3565 vfs: add tryunlink method
Ryan McElroy <rmcelroy@fb.com>
parents: 31309
diff changeset
247 """Attempt to remove a file, ignoring missing file errors."""
fad440db3565 vfs: add tryunlink method
Ryan McElroy <rmcelroy@fb.com>
parents: 31309
diff changeset
248 util.tryunlink(self.join(path))
fad440db3565 vfs: add tryunlink method
Ryan McElroy <rmcelroy@fb.com>
parents: 31309
diff changeset
249
21716
90f9be5adade vfs: add unlinkpath to vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21563
diff changeset
250 def unlinkpath(self, path=None, ignoremissing=False):
31309
8908f985570c vfs: use repo.wvfs.unlinkpath
Mads Kiilerich <madski@unity3d.com>
parents: 31217
diff changeset
251 return util.unlinkpath(self.join(path), ignoremissing=ignoremissing)
21716
90f9be5adade vfs: add unlinkpath to vfs
Chinmay Joshi <c@chinmayjoshi.com>
parents: 21563
diff changeset
252
19896
af03279c766a bookmarks: use "vfs.utime()" instead of "os.utime()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19895
diff changeset
253 def utime(self, path=None, t=None):
af03279c766a bookmarks: use "vfs.utime()" instead of "os.utime()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19895
diff changeset
254 return os.utime(self.join(path), t)
af03279c766a bookmarks: use "vfs.utime()" instead of "os.utime()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 19895
diff changeset
255
24725
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
256 def walk(self, path=None, onerror=None):
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
257 """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
258
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
259 ``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
260 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
261 style ``path``.
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
262
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
263 "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
264 """
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
265 root = os.path.normpath(self.join(None))
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
266 # when dirpath == root, dirpath[prefixlen:] becomes empty
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
267 # because len(dirpath) < prefixlen.
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
268 prefixlen = len(pathutil.normasprefix(root))
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
269 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
270 yield (dirpath[prefixlen:], dirs, files)
ee751d47cf2c vfs: add walk
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 24723
diff changeset
271
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
272 @contextlib.contextmanager
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
273 def backgroundclosing(self, ui, expectedcount=-1):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
274 """Allow files to be closed asynchronously.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
275
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
276 When this context manager is active, ``backgroundclose`` can be passed
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
277 to ``__call__``/``open`` to result in the file possibly being closed
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
278 asynchronously, on a background thread.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
279 """
35426
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
280 # Sharing backgroundfilecloser between threads is complex and using
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
281 # multiple instances puts us at risk of running out of file descriptors
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
282 # only allow to use backgroundfilecloser when in main thread.
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
283 if not isinstance(threading.currentThread(), threading._MainThread):
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
284 yield
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
285 return
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
286 vfs = getattr(self, 'vfs', self)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
287 if getattr(vfs, '_backgroundfilecloser', None):
29389
98e8313dcd9e i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents: 29373
diff changeset
288 raise error.Abort(
98e8313dcd9e i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents: 29373
diff changeset
289 _('can only have 1 active background file closer'))
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
290
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
291 with backgroundfilecloser(ui, expectedcount=expectedcount) as bfc:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
292 try:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
293 vfs._backgroundfilecloser = bfc
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
294 yield bfc
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
295 finally:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
296 vfs._backgroundfilecloser = None
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
297
17649
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
298 class vfs(abstractvfs):
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
299 '''Operate files relative to a base directory
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
300
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
301 This class is used to hide the details of COW semantics and
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
302 remote file access from higher level code.
33649
377e8ddaebef pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents: 33435
diff changeset
303
377e8ddaebef pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents: 33435
diff changeset
304 'cacheaudited' should be enabled only if (a) vfs object is short-lived, or
377e8ddaebef pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents: 33435
diff changeset
305 (b) the base directory is managed by hg and considered sort-of append-only.
377e8ddaebef pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents: 33435
diff changeset
306 See pathutil.pathauditor() for details.
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
307 '''
33649
377e8ddaebef pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents: 33435
diff changeset
308 def __init__(self, base, audit=True, cacheaudited=False, expandpath=False,
377e8ddaebef pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents: 33435
diff changeset
309 realpath=False):
18945
e75b72fffdfe vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18900
diff changeset
310 if expandpath:
e75b72fffdfe vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18900
diff changeset
311 base = util.expandpath(base)
e75b72fffdfe vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18900
diff changeset
312 if realpath:
e75b72fffdfe vfs: split "expand" into "realpath"/"expandpath" to apply each separately
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18900
diff changeset
313 base = os.path.realpath(base)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
314 self.base = base
33259
6fb5c5096887 vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33257
diff changeset
315 self._audit = audit
6fb5c5096887 vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33257
diff changeset
316 if audit:
33649
377e8ddaebef pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents: 33435
diff changeset
317 self.audit = pathutil.pathauditor(self.base, cached=cacheaudited)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
318 else:
33435
456626e9c3d1 vfs: allow to pass more argument to audit
Boris Feld <boris.feld@octobus.net>
parents: 33412
diff changeset
319 self.audit = (lambda path, mode=None: True)
33259
6fb5c5096887 vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33257
diff changeset
320 self.createmode = None
6fb5c5096887 vfs: drop the 'mustaudit' API
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33257
diff changeset
321 self._trustnlink = None
17554
5450c8ad9d98 scmutil: turn opener._audit into a property, mustaudit
Bryan O'Sullivan <bryano@fb.com>
parents: 17248
diff changeset
322
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
323 @util.propertycache
14261
e3649bcca3f6 opener: rename _can_symlink to _cansymlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
324 def _cansymlink(self):
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
325 return util.checklink(self.base)
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
326
18192
f9a89bdd64a6 scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents: 17850
diff changeset
327 @util.propertycache
f9a89bdd64a6 scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents: 17850
diff changeset
328 def _chmod(self):
f9a89bdd64a6 scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents: 17850
diff changeset
329 return util.checkexec(self.base)
f9a89bdd64a6 scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents: 17850
diff changeset
330
17763
13070de77c86 vfs: backout fchmod change from 76b73ce0ffac
Matt Mackall <mpm@selenic.com>
parents: 17752
diff changeset
331 def _fixfilemode(self, name):
18192
f9a89bdd64a6 scmutil: don't try to match modes on filesystems without modes (issue3740)
Matt Mackall <mpm@selenic.com>
parents: 17850
diff changeset
332 if self.createmode is None or not self._chmod:
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
333 return
25658
e93036747902 global: mass rewrite to use modern octal syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25629
diff changeset
334 os.chmod(name, self.createmode & 0o666)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
335
35625
390f860228ba vfs: drop text mode flag (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35426
diff changeset
336 def __call__(self, path, mode="r", atomictemp=False, notindexed=False,
390f860228ba vfs: drop text mode flag (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35426
diff changeset
337 backgroundclose=False, checkambig=False, auditpath=True):
23370
46265d0f0c7b vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23368
diff changeset
338 '''Open ``path`` file, which is relative to vfs root.
46265d0f0c7b vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23368
diff changeset
339
46265d0f0c7b vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23368
diff changeset
340 Newly created directories are marked as "not to be indexed by
46265d0f0c7b vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23368
diff changeset
341 the content indexing service", if ``notindexed`` is specified
46265d0f0c7b vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23368
diff changeset
342 for "write" mode access.
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
343
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
344 If ``backgroundclose`` is passed, the file may be closed asynchronously.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
345 It can only be used if the ``self.backgroundclosing()`` context manager
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
346 is active. This should only be specified if the following criteria hold:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
347
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
348 1. There is a potential for writing thousands of files. Unless you
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
349 are writing thousands of files, the performance benefits of
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
350 asynchronously closing files is not realized.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
351 2. Files are opened exactly once for the ``backgroundclosing``
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
352 active duration and are therefore free of race conditions between
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
353 closing a file on a background thread and reopening it. (If the
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
354 file were opened multiple times, there could be unflushed data
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
355 because the original file handle hasn't been flushed/closed yet.)
29202
76f1ea360c7e vfs: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29119
diff changeset
356
29367
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
357 ``checkambig`` argument is passed to atomictemplfile (valid
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
358 only for writing), and is useful only if target file is
4e6e280e238f doc: describe detail about checkambig optional argument
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29341
diff changeset
359 guarded by any lock (e.g. repo.lock or repo.wlock).
33282
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
360
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
361 To avoid file stat ambiguity forcibly, checkambig=True involves
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
362 copying ``path`` file opened in "append" mode (e.g. for
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
363 truncation), if it is owned by another. Therefore, use
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
364 combination of append mode and checkambig=True only in limited
d1db7af81548 vfs: add explanation about cost of checkambig=True in corner case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33281
diff changeset
365 cases (see also issue5418 and issue5584 for detail).
23370
46265d0f0c7b vfs: add "notindexed" argument to invoke "ensuredir" with it in write mode
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23368
diff changeset
366 '''
33257
15e9cbe6ae49 vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33234
diff changeset
367 if auditpath:
15e9cbe6ae49 vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33234
diff changeset
368 if self._audit:
15e9cbe6ae49 vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33234
diff changeset
369 r = util.checkosfilename(path)
15e9cbe6ae49 vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33234
diff changeset
370 if r:
15e9cbe6ae49 vfs: simplify path audit disabling in stream clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33234
diff changeset
371 raise error.Abort("%s: %r" % (r, path))
33435
456626e9c3d1 vfs: allow to pass more argument to audit
Boris Feld <boris.feld@octobus.net>
parents: 33412
diff changeset
372 self.audit(path, mode=mode)
16199
8181bd808dc5 scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents: 16198
diff changeset
373 f = self.join(path)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
374
35625
390f860228ba vfs: drop text mode flag (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35426
diff changeset
375 if "b" not in mode:
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
376 mode += "b" # for that other OS
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
377
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
378 nlink = -1
17937
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
379 if mode not in ('r', 'rb'):
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
380 dirname, basename = util.split(f)
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
381 # If basename is empty, then the path is malformed because it points
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
382 # to a directory. Let the posixfile() call below raise IOError.
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
383 if basename:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
384 if atomictemp:
29017
07be86828e79 util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents: 28819
diff changeset
385 util.makedirs(dirname, self.createmode, notindexed)
29202
76f1ea360c7e vfs: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29119
diff changeset
386 return util.atomictempfile(f, mode, self.createmode,
76f1ea360c7e vfs: make atomictempfile avoid ambiguity of file stat if needed
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29119
diff changeset
387 checkambig=checkambig)
17937
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
388 try:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
389 if 'w' in mode:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
390 util.unlink(f)
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
391 nlink = 0
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
392 else:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
393 # nlinks() may behave differently for files on Windows
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
394 # shares if the file is open.
27706
22e362da27cf scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27651
diff changeset
395 with util.posixfile(f):
22e362da27cf scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27651
diff changeset
396 nlink = util.nlinks(f)
22e362da27cf scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27651
diff changeset
397 if nlink < 1:
22e362da27cf scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27651
diff changeset
398 nlink = 2 # force mktempcopy (issue1922)
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25658
diff changeset
399 except (OSError, IOError) as e:
17937
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
400 if e.errno != errno.ENOENT:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
401 raise
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
402 nlink = 0
29017
07be86828e79 util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents: 28819
diff changeset
403 util.makedirs(dirname, self.createmode, notindexed)
17937
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
404 if nlink > 0:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
405 if self._trustnlink is None:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
406 self._trustnlink = nlink > 1 or util.checknlink(f)
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
407 if nlink > 1 or not self._trustnlink:
3cb032d50447 vfs: optimize __call__ by not calling util.split for reads
Adrian Buehlmann <adrian@cadifra.com>
parents: 17850
diff changeset
408 util.rename(util.mktempcopy(f), f)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
409 fp = util.posixfile(f, mode)
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
410 if nlink == 0:
17763
13070de77c86 vfs: backout fchmod change from 76b73ce0ffac
Matt Mackall <mpm@selenic.com>
parents: 17752
diff changeset
411 self._fixfilemode(f)
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
412
29996
9766d88c2465 vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29995
diff changeset
413 if checkambig:
9766d88c2465 vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29995
diff changeset
414 if mode in ('r', 'rb'):
9766d88c2465 vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29995
diff changeset
415 raise error.Abort(_('implementation error: mode %s is not'
9766d88c2465 vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29995
diff changeset
416 ' valid for checkambig=True') % mode)
9766d88c2465 vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29995
diff changeset
417 fp = checkambigatclosing(fp)
9766d88c2465 vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29995
diff changeset
418
35426
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
419 if (backgroundclose and
60f2a215faa7 workers: don't use backgroundfilecloser in threads
Wojciech Lis <wlis@fb.com>
parents: 34645
diff changeset
420 isinstance(threading.currentThread(), threading._MainThread)):
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
421 if not self._backgroundfilecloser:
29389
98e8313dcd9e i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents: 29373
diff changeset
422 raise error.Abort(_('backgroundclose can only be used when a '
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
423 'backgroundclosing context manager is active')
29389
98e8313dcd9e i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents: 29373
diff changeset
424 )
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
425
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
426 fp = delayclosedfile(fp, self._backgroundfilecloser)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
427
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
428 return fp
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
429
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
430 def symlink(self, src, dst):
18327
4aecdb91443c scmutil: simplify vfs.audit - drop wrapped vfs.auditor
Mads Kiilerich <mads@kiilerich.com>
parents: 18316
diff changeset
431 self.audit(dst)
16199
8181bd808dc5 scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents: 16198
diff changeset
432 linkname = self.join(dst)
31549
18b9d9b95719 vfs: use tryunlink
Ryan McElroy <rmcelroy@fb.com>
parents: 31542
diff changeset
433 util.tryunlink(linkname)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
434
29017
07be86828e79 util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents: 28819
diff changeset
435 util.makedirs(os.path.dirname(linkname), self.createmode)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
436
14261
e3649bcca3f6 opener: rename _can_symlink to _cansymlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
437 if self._cansymlink:
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
438 try:
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
439 os.symlink(src, linkname)
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25658
diff changeset
440 except OSError as err:
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
441 raise OSError(err.errno, _('could not symlink to %r: %s') %
34022
d5b2beca16c0 python3: wrap all uses of <exception>.strerror with strtolocal
Augie Fackler <raf@durin42.com>
parents: 33649
diff changeset
442 (src, encoding.strtolocal(err.strerror)),
d5b2beca16c0 python3: wrap all uses of <exception>.strerror with strtolocal
Augie Fackler <raf@durin42.com>
parents: 33649
diff changeset
443 linkname)
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13962
diff changeset
444 else:
17768
9837cafc25b1 vfs: use self.write to write symlink placeholders
Matt Mackall <mpm@selenic.com>
parents: 17763
diff changeset
445 self.write(dst, src)
13971
bfeaa88b875d move canonpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 13970
diff changeset
446
24628
a0b47885a1c5 vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents: 24582
diff changeset
447 def join(self, path, *insidef):
17161
be016e96117a localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17157
diff changeset
448 if path:
24628
a0b47885a1c5 vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents: 24582
diff changeset
449 return os.path.join(self.base, path, *insidef)
17681
a41fd730f230 scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents: 17675
diff changeset
450 else:
a41fd730f230 scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents: 17675
diff changeset
451 return self.base
16199
8181bd808dc5 scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents: 16198
diff changeset
452
17649
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
453 opener = vfs
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
454
33412
a42369e04aee vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents: 33282
diff changeset
455 class proxyvfs(object):
17845
408ded42c5ec scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents: 17821
diff changeset
456 def __init__(self, vfs):
408ded42c5ec scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents: 17821
diff changeset
457 self.vfs = vfs
408ded42c5ec scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents: 17821
diff changeset
458
27879
52a4ad62b006 cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents: 27851
diff changeset
459 @property
29714
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
460 def options(self):
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
461 return self.vfs.options
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
462
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
463 @options.setter
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
464 def options(self, value):
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
465 self.vfs.options = value
69109052d9ac auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents: 29417
diff changeset
466
33412
a42369e04aee vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents: 33282
diff changeset
467 class filtervfs(abstractvfs, proxyvfs):
17649
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
468 '''Wrapper vfs for filtering filenames with a function.'''
14090
e24b5e3c2f27 add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14089
diff changeset
469
17846
f42cf30873dc scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents: 17845
diff changeset
470 def __init__(self, vfs, filter):
33412
a42369e04aee vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents: 33282
diff changeset
471 proxyvfs.__init__(self, vfs)
14090
e24b5e3c2f27 add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14089
diff changeset
472 self._filter = filter
e24b5e3c2f27 add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14089
diff changeset
473
e24b5e3c2f27 add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14089
diff changeset
474 def __call__(self, path, *args, **kwargs):
17846
f42cf30873dc scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents: 17845
diff changeset
475 return self.vfs(self._filter(path), *args, **kwargs)
14090
e24b5e3c2f27 add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14089
diff changeset
476
24628
a0b47885a1c5 vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents: 24582
diff changeset
477 def join(self, path, *insidef):
17725
ffd589d4b785 vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17723
diff changeset
478 if path:
24628
a0b47885a1c5 vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents: 24582
diff changeset
479 return self.vfs.join(self._filter(self.vfs.reljoin(path, *insidef)))
17725
ffd589d4b785 vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17723
diff changeset
480 else:
17846
f42cf30873dc scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents: 17845
diff changeset
481 return self.vfs.join(path)
17725
ffd589d4b785 vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17723
diff changeset
482
17649
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
483 filteropener = filtervfs
f65c6a5f256c scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 17561
diff changeset
484
33412
a42369e04aee vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents: 33282
diff changeset
485 class readonlyvfs(abstractvfs, proxyvfs):
18213
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
486 '''Wrapper vfs preventing any writing.'''
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
487
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
488 def __init__(self, vfs):
33412
a42369e04aee vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents: 33282
diff changeset
489 proxyvfs.__init__(self, vfs)
18213
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
490
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
491 def __call__(self, path, mode='r', *args, **kw):
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
492 if mode not in ('r', 'rb'):
29389
98e8313dcd9e i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents: 29373
diff changeset
493 raise error.Abort(_('this vfs is read only'))
18213
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
494 return self.vfs(path, mode, *args, **kw)
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
495
26156
a112fffdb632 scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents: 26098
diff changeset
496 def join(self, path, *insidef):
a112fffdb632 scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents: 26098
diff changeset
497 return self.vfs.join(path, *insidef)
18213
c38a62af000e vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18206
diff changeset
498
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
499 class closewrapbase(object):
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
500 """Base class of wrapper, which hooks closing
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
501
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
502 Do not instantiate outside of the vfs layer.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
503 """
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
504 def __init__(self, fh):
31644
f80d9ddc40f3 py3: abuse r'' to preserve str-ness of literals passed to __setattr__()
Yuya Nishihara <yuya@tcha.org>
parents: 31549
diff changeset
505 object.__setattr__(self, r'_origfh', fh)
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
506
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
507 def __getattr__(self, attr):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
508 return getattr(self._origfh, attr)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
509
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
510 def __setattr__(self, attr, value):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
511 return setattr(self._origfh, attr, value)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
512
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
513 def __delattr__(self, attr):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
514 return delattr(self._origfh, attr)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
515
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
516 def __enter__(self):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
517 return self._origfh.__enter__()
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
518
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
519 def __exit__(self, exc_type, exc_value, exc_tb):
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
520 raise NotImplementedError('attempted instantiating ' + str(type(self)))
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
521
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
522 def close(self):
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
523 raise NotImplementedError('attempted instantiating ' + str(type(self)))
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
524
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
525 class delayclosedfile(closewrapbase):
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
526 """Proxy for a file object whose close is delayed.
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
527
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
528 Do not instantiate outside of the vfs layer.
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
529 """
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
530 def __init__(self, fh, closer):
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
531 super(delayclosedfile, self).__init__(fh)
31644
f80d9ddc40f3 py3: abuse r'' to preserve str-ness of literals passed to __setattr__()
Yuya Nishihara <yuya@tcha.org>
parents: 31549
diff changeset
532 object.__setattr__(self, r'_closer', closer)
29994
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
533
0c40e64d6154 scmutil: factor out common logic of delayclosedfile to reuse it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29802
diff changeset
534 def __exit__(self, exc_type, exc_value, exc_tb):
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
535 self._closer.close(self._origfh)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
536
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
537 def close(self):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
538 self._closer.close(self._origfh)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
539
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
540 class backgroundfilecloser(object):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
541 """Coordinates background closing of file handles on multiple threads."""
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
542 def __init__(self, ui, expectedcount=-1):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
543 self._running = False
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
544 self._entered = False
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
545 self._threads = []
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
546 self._threadexception = None
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
547
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
548 # Only Windows/NTFS has slow file closing. So only enable by default
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
549 # on that platform. But allow to be enabled elsewhere for testing.
34645
75979c8d4572 codemod: use pycompat.iswindows
Jun Wu <quark@fb.com>
parents: 34022
diff changeset
550 defaultenabled = pycompat.iswindows
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
551 enabled = ui.configbool('worker', 'backgroundclose', defaultenabled)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
552
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
553 if not enabled:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
554 return
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
555
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
556 # There is overhead to starting and stopping the background threads.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
557 # Don't do background processing unless the file count is large enough
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
558 # to justify it.
33231
d19804c16710 configitems: register the 'worker.backgroundcloseminfilecount' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33230
diff changeset
559 minfilecount = ui.configint('worker', 'backgroundcloseminfilecount')
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
560 # FUTURE dynamically start background threads after minfilecount closes.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
561 # (We don't currently have any callers that don't know their file count)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
562 if expectedcount > 0 and expectedcount < minfilecount:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
563 return
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
564
33230
5dcbd2045dcb configitems: register the 'worker.backgroundclosemaxqueue' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32772
diff changeset
565 maxqueue = ui.configint('worker', 'backgroundclosemaxqueue')
33232
4531a967e7f1 configitems: register the 'worker.backgroundclosethreadcount' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33231
diff changeset
566 threadcount = ui.configint('worker', 'backgroundclosethreadcount')
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
567
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
568 ui.debug('starting %d threads for background file closing\n' %
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
569 threadcount)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
570
28819
826d457df138 scmutil: use util.queue/util.empty for py3 compat
timeless <timeless@mozdev.org>
parents: 28197
diff changeset
571 self._queue = util.queue(maxsize=maxqueue)
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
572 self._running = True
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
573
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
574 for i in range(threadcount):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
575 t = threading.Thread(target=self._worker, name='backgroundcloser')
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
576 self._threads.append(t)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
577 t.start()
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
578
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
579 def __enter__(self):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
580 self._entered = True
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
581 return self
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
582
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
583 def __exit__(self, exc_type, exc_value, exc_tb):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
584 self._running = False
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
585
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
586 # Wait for threads to finish closing so open files don't linger for
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
587 # longer than lifetime of context manager.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
588 for t in self._threads:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
589 t.join()
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
590
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
591 def _worker(self):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
592 """Main routine for worker thread."""
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
593 while True:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
594 try:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
595 fh = self._queue.get(block=True, timeout=0.100)
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
596 # Need to catch or the thread will terminate and
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
597 # we could orphan file descriptors.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
598 try:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
599 fh.close()
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
600 except Exception as e:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
601 # Stash so can re-raise from main thread later.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
602 self._threadexception = e
28819
826d457df138 scmutil: use util.queue/util.empty for py3 compat
timeless <timeless@mozdev.org>
parents: 28197
diff changeset
603 except util.empty:
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
604 if not self._running:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
605 break
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
606
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
607 def close(self, fh):
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
608 """Schedule a file for closing."""
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
609 if not self._entered:
29389
98e8313dcd9e i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents: 29373
diff changeset
610 raise error.Abort(_('can only call close() when context manager '
98e8313dcd9e i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents: 29373
diff changeset
611 'active'))
27895
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
612
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
613 # If a background thread encountered an exception, raise now so we fail
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
614 # fast. Otherwise we may potentially go on for minutes until the error
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
615 # is acted on.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
616 if self._threadexception:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
617 e = self._threadexception
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
618 self._threadexception = None
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
619 raise e
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
620
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
621 # If we're not actively running, close synchronously.
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
622 if not self._running:
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
623 fh.close()
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
624 return
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
625
2d6a89e79b48 scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27879
diff changeset
626 self._queue.put(fh, block=True, timeout=None)
29995
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
627
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
628 class checkambigatclosing(closewrapbase):
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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629 """Proxy for a file object, to avoid ambiguity of file stat
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
630
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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631 See also util.filestat for detail about "ambiguity of file stat".
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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632
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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633 This proxy is useful only if the target file is guarded by any
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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634 lock (e.g. repo.lock or repo.wlock)
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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635
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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636 Do not instantiate outside of the vfs layer.
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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637 """
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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638 def __init__(self, fh):
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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639 super(checkambigatclosing, self).__init__(fh)
32772
7ad95626f6a7 filestat: move __init__ to frompath constructor
Siddharth Agarwal <sid0@fb.com>
parents: 32748
diff changeset
640 object.__setattr__(self, r'_oldstat', util.filestat.frompath(fh.name))
29995
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
641
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
642 def _checkambig(self):
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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643 oldstat = self._oldstat
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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644 if oldstat.stat:
33280
646352291f5b vfs: copy if EPERM to avoid file stat ambiguity forcibly at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33259
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645 _avoidambig(self._origfh.name, oldstat)
29995
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
646
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
647 def __exit__(self, exc_type, exc_value, exc_tb):
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
648 self._origfh.__exit__(exc_type, exc_value, exc_tb)
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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649 self._checkambig()
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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650
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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651 def close(self):
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
diff changeset
652 self._origfh.close()
57830bd0e787 scmutil: add file object wrapper class to check ambiguity at closing
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29994
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653 self._checkambig()