Mercurial > cpython-lru_cache-weakref

annotate Lib/shutil.py @ 58925:eecf1bef052d 2.6

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Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents e2dcad56e40e
children e3fdfdb1a8ff 0ab36796dd79
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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6f4146846337 The third and final doc-string sweep by Ka-Ping Yee.
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1 """Utility functions for copying files and directory trees.
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2
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3 XXX The functions here don't copy the resource fork or other metadata on Mac.
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4
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5 """
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6
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7 import os
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8 import sys
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9 import stat
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10 from os.path import abspath
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11 import fnmatch
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12
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13 __all__ = ["copyfileobj","copyfile","copymode","copystat","copy","copy2",
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14 "copytree","move","rmtree","Error"]
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15
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16 class Error(EnvironmentError):
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17 pass
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18
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19 try:
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20 WindowsError
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21 except NameError:
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22 WindowsError = None
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23
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24 def copyfileobj(fsrc, fdst, length=16*1024):
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25 """copy data from file-like object fsrc to file-like object fdst"""
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26 while 1:
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27 buf = fsrc.read(length)
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28 if not buf:
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29 break
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30 fdst.write(buf)
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31
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32 def _samefile(src, dst):
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33 # Macintosh, Unix.
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34 if hasattr(os.path,'samefile'):
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35 try:
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36 return os.path.samefile(src, dst)
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37 except OSError:
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38 return False
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39
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40 # All other platforms: check for same pathname.
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41 return (os.path.normcase(os.path.abspath(src)) ==
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42 os.path.normcase(os.path.abspath(dst)))
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43
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44 def copyfile(src, dst):
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45 """Copy data from src to dst"""
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46 if _samefile(src, dst):
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47 raise Error, "`%s` and `%s` are the same file" % (src, dst)
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48
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49 fsrc = None
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50 fdst = None
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51 try:
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52 fsrc = open(src, 'rb')
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53 fdst = open(dst, 'wb')
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54 copyfileobj(fsrc, fdst)
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55 finally:
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56 if fdst:
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57 fdst.close()
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58 if fsrc:
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59 fsrc.close()
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60
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61 def copymode(src, dst):
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62 """Copy mode bits from src to dst"""
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63 if hasattr(os, 'chmod'):
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64 st = os.stat(src)
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65 mode = stat.S_IMODE(st.st_mode)
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66 os.chmod(dst, mode)
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67
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68 def copystat(src, dst):
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69 """Copy all stat info (mode bits, atime, mtime, flags) from src to dst"""
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70 st = os.stat(src)
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71 mode = stat.S_IMODE(st.st_mode)
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72 if hasattr(os, 'utime'):
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73 os.utime(dst, (st.st_atime, st.st_mtime))
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74 if hasattr(os, 'chmod'):
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75 os.chmod(dst, mode)
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76 if hasattr(os, 'chflags') and hasattr(st, 'st_flags'):
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77 os.chflags(dst, st.st_flags)
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78
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79
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80 def copy(src, dst):
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81 """Copy data and mode bits ("cp src dst").
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82
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83 The destination may be a directory.
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84
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85 """
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86 if os.path.isdir(dst):
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87 dst = os.path.join(dst, os.path.basename(src))
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88 copyfile(src, dst)
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89 copymode(src, dst)
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90
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91 def copy2(src, dst):
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92 """Copy data and all stat info ("cp -p src dst").
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93
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94 The destination may be a directory.
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95
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96 """
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97 if os.path.isdir(dst):
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98 dst = os.path.join(dst, os.path.basename(src))
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99 copyfile(src, dst)
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100 copystat(src, dst)
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101
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102 def ignore_patterns(*patterns):
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103 """Function that can be used as copytree() ignore parameter.
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104
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105 Patterns is a sequence of glob-style patterns
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106 that are used to exclude files"""
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107 def _ignore_patterns(path, names):
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108 ignored_names = []
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109 for pattern in patterns:
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110 ignored_names.extend(fnmatch.filter(names, pattern))
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111 return set(ignored_names)
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112 return _ignore_patterns
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113
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114 def copytree(src, dst, symlinks=False, ignore=None):
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115 """Recursively copy a directory tree using copy2().
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116
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117 The destination directory must not already exist.
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118 If exception(s) occur, an Error is raised with a list of reasons.
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119
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120 If the optional symlinks flag is true, symbolic links in the
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121 source tree result in symbolic links in the destination tree; if
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122 it is false, the contents of the files pointed to by symbolic
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123 links are copied.
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124
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125 The optional ignore argument is a callable. If given, it
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126 is called with the `src` parameter, which is the directory
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127 being visited by copytree(), and `names` which is the list of
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128 `src` contents, as returned by os.listdir():
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129
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130 callable(src, names) -> ignored_names
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Georg Brandl <georg@python.org>
parents: 45858
diff changeset
131
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
132 Since copytree() is called recursively, the callable will be
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
133 called once for each directory that is copied. It returns a
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
134 list of names relative to the `src` directory that should
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
135 not be copied.
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
136
5349
6ab392d7a52f Transformed comments to doc strings.
Guido van Rossum <guido@python.org>
parents: 5348
diff changeset
137 XXX Consider this example code rather than the ultimate tool.
6ab392d7a52f Transformed comments to doc strings.
Guido van Rossum <guido@python.org>
parents: 5348
diff changeset
138
6ab392d7a52f Transformed comments to doc strings.
Guido van Rossum <guido@python.org>
parents: 5348
diff changeset
139 """
5348
ae02ed2aac3f Reindented at 4 spaces.
Guido van Rossum <guido@python.org>
parents: 5347
diff changeset
140 names = os.listdir(src)
47888
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
141 if ignore is not None:
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
142 ignored_names = ignore(src, names)
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
143 else:
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
144 ignored_names = set()
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
145
34364
19e61a2a5632 Patch #1094015:
Johannes Gijsbers <jlg@dds.nl>
parents: 33865
diff changeset
146 os.makedirs(dst)
25641
13438586daa6 Patch #448038: Add move(). Report errors from copytree as in shutil.Error.
Martin v. Löwis <martin@v.loewis.de>
parents: 25170
diff changeset
147 errors = []
5348
ae02ed2aac3f Reindented at 4 spaces.
Guido van Rossum <guido@python.org>
parents: 5347
diff changeset
148 for name in names:
47888
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
149 if name in ignored_names:
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
150 continue
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
151 srcname = os.path.join(src, name)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
152 dstname = os.path.join(dst, name)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
153 try:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
154 if symlinks and os.path.islink(srcname):
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
155 linkto = os.readlink(srcname)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
156 os.symlink(linkto, dstname)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
157 elif os.path.isdir(srcname):
47888
d7526670ff0a #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade.
Georg Brandl <georg@python.org>
parents: 45858
diff changeset
158 copytree(srcname, dstname, symlinks, ignore)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
159 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
160 copy2(srcname, dstname)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
161 # XXX What about devices, sockets etc.?
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7203
diff changeset
162 except (IOError, os.error), why:
38032
565bffde8bf1 Bug #1472949: stringify IOErrors in shutil.copytree when appending
Georg Brandl <georg@python.org>
parents: 35505
diff changeset
163 errors.append((srcname, dstname, str(why)))
35501
ed65e0ad2215 patch [ 1242454 ] shutil.copytree() quits too soon after an error.
Georg Brandl <georg@python.org>
parents: 34485
diff changeset
164 # catch the Error from the recursive copytree so that we can
ed65e0ad2215 patch [ 1242454 ] shutil.copytree() quits too soon after an error.
Georg Brandl <georg@python.org>
parents: 34485
diff changeset
165 # continue with other files
ed65e0ad2215 patch [ 1242454 ] shutil.copytree() quits too soon after an error.
Georg Brandl <georg@python.org>
parents: 34485
diff changeset
166 except Error, err:
ed65e0ad2215 patch [ 1242454 ] shutil.copytree() quits too soon after an error.
Georg Brandl <georg@python.org>
parents: 34485
diff changeset
167 errors.extend(err.args[0])
39307
9377c6604542 Don't copy directory stat times in shutil.copytree on Windows
Martin v. Löwis <martin@v.loewis.de>
parents: 38032
diff changeset
168 try:
9377c6604542 Don't copy directory stat times in shutil.copytree on Windows
Martin v. Löwis <martin@v.loewis.de>
parents: 38032
diff changeset
169 copystat(src, dst)
9377c6604542 Don't copy directory stat times in shutil.copytree on Windows
Martin v. Löwis <martin@v.loewis.de>
parents: 38032
diff changeset
170 except OSError, why:
48214
0aae72f8dda9 #3134: shutil referenced undefined WindowsError symbol
Antoine Pitrou <solipsis@pitrou.net>
parents: 47888
diff changeset
171 if WindowsError is not None and isinstance(why, WindowsError):
0aae72f8dda9 #3134: shutil referenced undefined WindowsError symbol
Antoine Pitrou <solipsis@pitrou.net>
parents: 47888
diff changeset
172 # Copying file access times may fail on Windows
0aae72f8dda9 #3134: shutil referenced undefined WindowsError symbol
Antoine Pitrou <solipsis@pitrou.net>
parents: 47888
diff changeset
173 pass
0aae72f8dda9 #3134: shutil referenced undefined WindowsError symbol
Antoine Pitrou <solipsis@pitrou.net>
parents: 47888
diff changeset
174 else:
0aae72f8dda9 #3134: shutil referenced undefined WindowsError symbol
Antoine Pitrou <solipsis@pitrou.net>
parents: 47888
diff changeset
175 errors.extend((src, dst, str(why)))
25641
13438586daa6 Patch #448038: Add move(). Report errors from copytree as in shutil.Error.
Martin v. Löwis <martin@v.loewis.de>
parents: 25170
diff changeset
176 if errors:
13438586daa6 Patch #448038: Add move(). Report errors from copytree as in shutil.Error.
Martin v. Löwis <martin@v.loewis.de>
parents: 25170
diff changeset
177 raise Error, errors
7203
8c129a567867 Added rmtree(), to recursively remove a directory tree.
Guido van Rossum <guido@python.org>
parents: 5349
diff changeset
178
27361
891ec4d266d1 rmtree(): Make implementation agree with documentation (both latex and
Barry Warsaw <barry@python.org>
parents: 27096
diff changeset
179 def rmtree(path, ignore_errors=False, onerror=None):
7203
8c129a567867 Added rmtree(), to recursively remove a directory tree.
Guido van Rossum <guido@python.org>
parents: 5349
diff changeset
180 """Recursively delete a directory tree.
8c129a567867 Added rmtree(), to recursively remove a directory tree.
Guido van Rossum <guido@python.org>
parents: 5349
diff changeset
181
33865
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
182 If ignore_errors is set, errors are ignored; otherwise, if onerror
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
183 is set, it is called to handle the error with arguments (func,
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
184 path, exc_info) where func is os.listdir, os.remove, or os.rmdir;
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
185 path is the argument to that function that caused it to fail; and
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
186 exc_info is a tuple returned by sys.exc_info(). If ignore_errors
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
187 is false and onerror is None, an exception is raised.
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
188
7203
8c129a567867 Added rmtree(), to recursively remove a directory tree.
Guido van Rossum <guido@python.org>
parents: 5349
diff changeset
189 """
33865
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
190 if ignore_errors:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
191 def onerror(*args):
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
192 pass
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
193 elif onerror is None:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
194 def onerror(*args):
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
195 raise
44823
eaca2367ecc9 #1669: don't allow shutil.rmtree() to be called on a symlink.
Georg Brandl <georg@python.org>
parents: 40872
diff changeset
196 try:
eaca2367ecc9 #1669: don't allow shutil.rmtree() to be called on a symlink.
Georg Brandl <georg@python.org>
parents: 40872
diff changeset
197 if os.path.islink(path):
eaca2367ecc9 #1669: don't allow shutil.rmtree() to be called on a symlink.
Georg Brandl <georg@python.org>
parents: 40872
diff changeset
198 # symlinks to directories are forbidden, see bug #1669
eaca2367ecc9 #1669: don't allow shutil.rmtree() to be called on a symlink.
Georg Brandl <georg@python.org>
parents: 40872
diff changeset
199 raise OSError("Cannot call rmtree on a symbolic link")
eaca2367ecc9 #1669: don't allow shutil.rmtree() to be called on a symlink.
Georg Brandl <georg@python.org>
parents: 40872
diff changeset
200 except OSError:
eaca2367ecc9 #1669: don't allow shutil.rmtree() to be called on a symlink.
Georg Brandl <georg@python.org>
parents: 40872
diff changeset
201 onerror(os.path.islink, path, sys.exc_info())
eaca2367ecc9 #1669: don't allow shutil.rmtree() to be called on a symlink.
Georg Brandl <georg@python.org>
parents: 40872
diff changeset
202 # can't continue even if onerror hook returns
eaca2367ecc9 #1669: don't allow shutil.rmtree() to be called on a symlink.
Georg Brandl <georg@python.org>
parents: 40872
diff changeset
203 return
33865
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
204 names = []
27361
891ec4d266d1 rmtree(): Make implementation agree with documentation (both latex and
Barry Warsaw <barry@python.org>
parents: 27096
diff changeset
205 try:
33865
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
206 names = os.listdir(path)
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
207 except os.error, err:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
208 onerror(os.listdir, path, sys.exc_info())
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
209 for name in names:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
210 fullname = os.path.join(path, name)
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
211 try:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
212 mode = os.lstat(fullname).st_mode
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
213 except os.error:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
214 mode = 0
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
215 if stat.S_ISDIR(mode):
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
216 rmtree(fullname, ignore_errors, onerror)
27361
891ec4d266d1 rmtree(): Make implementation agree with documentation (both latex and
Barry Warsaw <barry@python.org>
parents: 27096
diff changeset
217 else:
33865
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
218 try:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
219 os.remove(fullname)
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
220 except os.error, err:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
221 onerror(os.remove, fullname, sys.exc_info())
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
222 try:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
223 os.rmdir(path)
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
224 except os.error:
f196716ea0db Bug #1048941: shutil.rmtree error handling was always broken
Johannes Gijsbers <jlg@dds.nl>
parents: 33687
diff changeset
225 onerror(os.rmdir, path, sys.exc_info())
7203
8c129a567867 Added rmtree(), to recursively remove a directory tree.
Guido van Rossum <guido@python.org>
parents: 5349
diff changeset
226
45858
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
227
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
228 def _basename(path):
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
229 # A basename() variant which first strips the trailing slash, if present.
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
230 # Thus we always get the last component of the path, even for directories.
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
231 return os.path.basename(path.rstrip(os.path.sep))
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
232
25641
13438586daa6 Patch #448038: Add move(). Report errors from copytree as in shutil.Error.
Martin v. Löwis <martin@v.loewis.de>
parents: 25170
diff changeset
233 def move(src, dst):
45858
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
234 """Recursively move a file or directory to another location. This is
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
235 similar to the Unix "mv" command.
25641
13438586daa6 Patch #448038: Add move(). Report errors from copytree as in shutil.Error.
Martin v. Löwis <martin@v.loewis.de>
parents: 25170
diff changeset
236
45858
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
237 If the destination is a directory or a symlink to a directory, the source
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
238 is moved inside the directory. The destination path must not already
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
239 exist.
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
240
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
241 If the destination already exists but is not a directory, it may be
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
242 overwritten depending on os.rename() semantics.
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
243
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
244 If the destination is on our current filesystem, then rename() is used.
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
245 Otherwise, src is copied to the destination and then removed.
25641
13438586daa6 Patch #448038: Add move(). Report errors from copytree as in shutil.Error.
Martin v. Löwis <martin@v.loewis.de>
parents: 25170
diff changeset
246 A lot more could be done here... A look at a mv.c shows a lot of
13438586daa6 Patch #448038: Add move(). Report errors from copytree as in shutil.Error.
Martin v. Löwis <martin@v.loewis.de>
parents: 25170
diff changeset
247 the issues this implementation glosses over.
13438586daa6 Patch #448038: Add move(). Report errors from copytree as in shutil.Error.
Martin v. Löwis <martin@v.loewis.de>
parents: 25170
diff changeset
248
13438586daa6 Patch #448038: Add move(). Report errors from copytree as in shutil.Error.
Martin v. Löwis <martin@v.loewis.de>
parents: 25170
diff changeset
249 """
45858
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
250 real_dst = dst
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
251 if os.path.isdir(dst):
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
252 real_dst = os.path.join(dst, _basename(src))
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
parents: 44823
diff changeset
253 if os.path.exists(real_dst):
923380acd1cd Issue 1577: shutil.move() where destination is a directory was doing a
Sean Reifscheider <jafo@tummy.com>
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254 raise Error, "Destination path '%s' already exists" % real_dst
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255 try:
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256 os.rename(src, real_dst)
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parents: 25170
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257 except OSError:
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parents: 25170
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258 if os.path.isdir(src):
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686e5d38be42 shutil.move() will raise an exception when trying to move a directory into
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parents: 28025
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259 if destinsrc(src, dst):
686e5d38be42 shutil.move() will raise an exception when trying to move a directory into
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parents: 28025
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260 raise Error, "Cannot move a directory '%s' into itself '%s'." % (src, dst)
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parents: 44823
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261 copytree(src, real_dst, symlinks=True)
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262 rmtree(src)
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parents: 25170
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263 else:
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parents: 44823
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264 copy2(src, real_dst)
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parents: 25170
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265 os.unlink(src)
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Brett Cannon <bcannon@gmail.com>
parents: 28025
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266
686e5d38be42 shutil.move() will raise an exception when trying to move a directory into
Brett Cannon <bcannon@gmail.com>
parents: 28025
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267 def destinsrc(src, dst):
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Antoine Pitrou <solipsis@pitrou.net>
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268 src = abspath(src)
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parents: 48214
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269 dst = abspath(dst)
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parents: 48214
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270 if not src.endswith(os.path.sep):
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Antoine Pitrou <solipsis@pitrou.net>
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271 src += os.path.sep
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parents: 48214
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272 if not dst.endswith(os.path.sep):
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273 dst += os.path.sep
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parents: 48214
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274 return dst.startswith(src)