Mercurial > cpython-lru_cache-weakref

annotate Lib/plat-mac/macostools.py @ 54294:dba767bc3155 legacy-trunk

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remove mention of old ctypes version
author Benjamin Peterson <benjamin@python.org>
date Sat, 23 May 2009 20:59:09 +0000
parents ee9ced92843a
children 10101cf89d20
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1 """macostools - Various utility functions for MacOS.
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2
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3 mkalias(src, dst) - Create a finder alias 'dst' pointing to 'src'
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4 copy(src, dst) - Full copy of 'src' to 'dst'
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5 """
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6
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7 from warnings import warnpy3k
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8 warnpy3k("In 3.x, the macostools module is removed.", stacklevel=2)
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9
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10 from Carbon import Res
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11 from Carbon import File, Files
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12 import os
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13 import MacOS
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14 try:
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15 openrf = MacOS.openrf
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16 except AttributeError:
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17 # Backward compatibility
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18 openrf = open
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19
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20 Error = 'macostools.Error'
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21
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22 BUFSIZ=0x80000 # Copy in 0.5Mb chunks
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23
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24 COPY_FLAGS = (Files.kIsStationary|Files.kNameLocked|Files.kHasBundle|
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25 Files.kIsInvisible|Files.kIsAlias)
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26
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27 #
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28 # Not guaranteed to be correct or stay correct (Apple doesn't tell you
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29 # how to do this), but it seems to work.
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30 #
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31 def mkalias(src, dst, relative=None):
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32 """Create a finder alias"""
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33 srcfsr = File.FSRef(src)
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34 # The next line will fail under unix-Python if the destination
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35 # doesn't exist yet. We should change this code to be fsref-based.
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36 dstdir, dstname = os.path.split(dst)
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37 if not dstdir: dstdir = os.curdir
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38 dstdirfsr = File.FSRef(dstdir)
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39 if relative:
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40 relativefsr = File.FSRef(relative)
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41 # ik mag er geen None in stoppen :-(
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42 alias = File.FSNewAlias(relativefsr, srcfsr)
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43 else:
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44 alias = srcfsr.FSNewAliasMinimal()
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45
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46 dstfsr, dstfss = Res.FSCreateResourceFile(dstdirfsr, unicode(dstname),
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47 File.FSGetResourceForkName())
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48 h = Res.FSOpenResourceFile(dstfsr, File.FSGetResourceForkName(), 3)
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49 resource = Res.Resource(alias.data)
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50 resource.AddResource('alis', 0, '')
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51 Res.CloseResFile(h)
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52
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53 dstfinfo = dstfss.FSpGetFInfo()
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54 dstfinfo.Flags = dstfinfo.Flags|0x8000 # Alias flag
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55 dstfss.FSpSetFInfo(dstfinfo)
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56
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57 def mkdirs(dst):
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58 """Make directories leading to 'dst' if they don't exist yet"""
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59 if dst == '' or os.path.exists(dst):
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60 return
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61 head, tail = os.path.split(dst)
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62 if os.sep == ':' and not ':' in head:
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63 head = head + ':'
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64 mkdirs(head)
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66 try:
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67 os.mkdir(dst, 0777)
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68 except OSError, e:
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69 # be happy if someone already created the path
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70 if e.errno != errno.EEXIST:
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71 raise
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72
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73
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74 def touched(dst):
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75 """Tell the finder a file has changed. No-op on MacOSX."""
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76 import warnings
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77 warnings.warn("macostools.touched() has been deprecated",
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78 DeprecationWarning, 2)
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79
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80 def touched_ae(dst):
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81 """Tell the finder a file has changed"""
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82 pardir = os.path.split(dst)[0]
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83 if not pardir:
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84 pardir = os.curdir
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85 import Finder
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86 f = Finder.Finder()
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87 f.update(File.FSRef(pardir))
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88
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89 def copy(src, dst, createpath=0, copydates=1, forcetype=None):
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90 """Copy a file, including finder info, resource fork, etc"""
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91 src = File.pathname(src)
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92 dst = File.pathname(dst)
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93 if createpath:
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94 mkdirs(os.path.split(dst)[0])
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95
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96 ifp = open(src, 'rb')
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97 ofp = open(dst, 'wb')
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98 d = ifp.read(BUFSIZ)
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99 while d:
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100 ofp.write(d)
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101 d = ifp.read(BUFSIZ)
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102 ifp.close()
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103 ofp.close()
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104
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105 ifp = openrf(src, '*rb')
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106 ofp = openrf(dst, '*wb')
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107 d = ifp.read(BUFSIZ)
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108 while d:
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109 ofp.write(d)
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110 d = ifp.read(BUFSIZ)
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111 ifp.close()
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112 ofp.close()
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113
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114 srcfss = File.FSSpec(src)
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115 dstfss = File.FSSpec(dst)
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116 sf = srcfss.FSpGetFInfo()
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117 df = dstfss.FSpGetFInfo()
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118 df.Creator, df.Type = sf.Creator, sf.Type
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119 if forcetype is not None:
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120 df.Type = forcetype
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121 df.Flags = (sf.Flags & COPY_FLAGS)
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122 dstfss.FSpSetFInfo(df)
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123 if copydates:
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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124 srcfsr = File.FSRef(src)
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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125 dstfsr = File.FSRef(dst)
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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126 catinfo, _, _, _ = srcfsr.FSGetCatalogInfo(Files.kFSCatInfoAllDates)
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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127 dstfsr.FSSetCatalogInfo(Files.kFSCatInfoAllDates, catinfo)
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c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 28223
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128
26884
f0f9acca4164 Moved most of Mac/Lib hierarchy to Lib/plat-mac: it can be used both
Jack Jansen <jack.jansen@cwi.nl>
parents:
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129 def copytree(src, dst, copydates=1):
27502
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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130 """Copy a complete file tree to a new destination"""
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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131 if os.path.isdir(src):
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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132 mkdirs(dst)
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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133 files = os.listdir(src)
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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134 for f in files:
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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135 copytree(os.path.join(src, f), os.path.join(dst, f), copydates)
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
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136 else:
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Jack Jansen <jack.jansen@cwi.nl>
parents: 26884
diff changeset
137 copy(src, dst, 1, copydates)