Mercurial > fife-parpg
annotate utils/util_scripts/path.py @ 344:5a9e5f1c897d
Made CameraDialog a little prettier
author | cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222 |
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date | Tue, 25 Aug 2009 01:28:08 +0000 |
parents | ea2c6960bbc8 |
children | 9dce3dbd4fa9 |
rev | line source |
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0
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1 """ path.py - An object representing a path to a file or directory. |
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2 |
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3 Example: |
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4 |
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5 from path import path |
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6 d = path('/home/guido/bin') |
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7 for f in d.files('*.py'): |
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8 f.chmod(0755) |
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9 |
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10 This module requires Python 2.2 or later. |
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11 |
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12 |
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13 URL: http://www.jorendorff.com/articles/python/path |
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14 Author: Jason Orendorff <jason.orendorff\x40gmail\x2ecom> (and others - see the url!) |
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15 Date: 9 Mar 2007 |
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16 """ |
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17 |
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18 |
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19 # TODO |
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20 # - Tree-walking functions don't avoid symlink loops. Matt Harrison |
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21 # sent me a patch for this. |
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22 # - Bug in write_text(). It doesn't support Universal newline mode. |
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23 # - Better error message in listdir() when self isn't a |
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24 # directory. (On Windows, the error message really sucks.) |
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25 # - Make sure everything has a good docstring. |
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26 # - Add methods for regex find and replace. |
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27 # - guess_content_type() method? |
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28 # - Perhaps support arguments to touch(). |
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29 |
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30 from __future__ import generators |
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31 |
284
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Reverted changes from 2924 as it broke compatibility with python 2.5
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32 import sys, warnings, os, fnmatch, glob, shutil, codecs, md5 |
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33 |
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34 __version__ = '2.2' |
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35 __all__ = ['path'] |
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36 |
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37 # Platform-specific support for path.owner |
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38 if os.name == 'nt': |
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39 try: |
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40 import win32security |
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41 except ImportError: |
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42 win32security = None |
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43 else: |
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44 try: |
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45 import pwd |
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46 except ImportError: |
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47 pwd = None |
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48 |
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49 # Pre-2.3 support. Are unicode filenames supported? |
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50 _base = str |
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51 _getcwd = os.getcwd |
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52 try: |
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53 if os.path.supports_unicode_filenames: |
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54 _base = unicode |
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55 _getcwd = os.getcwdu |
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56 except AttributeError: |
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57 pass |
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58 |
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59 # Pre-2.3 workaround for booleans |
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60 try: |
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61 True, False |
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62 except NameError: |
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63 True, False = 1, 0 |
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64 |
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65 # Pre-2.3 workaround for basestring. |
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66 try: |
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67 basestring |
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68 except NameError: |
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69 basestring = (str, unicode) |
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70 |
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71 # Universal newline support |
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72 _textmode = 'r' |
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73 if hasattr(file, 'newlines'): |
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74 _textmode = 'U' |
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75 |
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76 |
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77 class TreeWalkWarning(Warning): |
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78 pass |
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79 |
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80 class path(_base): |
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81 """ Represents a filesystem path. |
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82 |
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83 For documentation on individual methods, consult their |
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84 counterparts in os.path. |
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85 """ |
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86 |
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87 # --- Special Python methods. |
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88 |
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89 def __repr__(self): |
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90 return 'path(%s)' % _base.__repr__(self) |
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91 |
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92 # Adding a path and a string yields a path. |
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93 def __add__(self, more): |
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94 try: |
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95 resultStr = _base.__add__(self, more) |
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96 except TypeError: #Python bug |
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97 resultStr = NotImplemented |
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98 if resultStr is NotImplemented: |
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99 return resultStr |
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100 return self.__class__(resultStr) |
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101 |
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102 def __radd__(self, other): |
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103 if isinstance(other, basestring): |
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104 return self.__class__(other.__add__(self)) |
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105 else: |
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106 return NotImplemented |
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107 |
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108 # The / operator joins paths. |
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109 def __div__(self, rel): |
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110 """ fp.__div__(rel) == fp / rel == fp.joinpath(rel) |
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111 |
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112 Join two path components, adding a separator character if |
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113 needed. |
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114 """ |
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115 return self.__class__(os.path.join(self, rel)) |
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116 |
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117 # Make the / operator work even when true division is enabled. |
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118 __truediv__ = __div__ |
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119 |
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120 def getcwd(cls): |
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121 """ Return the current working directory as a path object. """ |
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122 return cls(_getcwd()) |
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123 getcwd = classmethod(getcwd) |
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124 |
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125 |
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126 # --- Operations on path strings. |
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127 |
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128 isabs = os.path.isabs |
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129 def abspath(self): return self.__class__(os.path.abspath(self)) |
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130 def normcase(self): return self.__class__(os.path.normcase(self)) |
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131 def normpath(self): return self.__class__(os.path.normpath(self)) |
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132 def realpath(self): return self.__class__(os.path.realpath(self)) |
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133 def expanduser(self): return self.__class__(os.path.expanduser(self)) |
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134 def expandvars(self): return self.__class__(os.path.expandvars(self)) |
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135 def dirname(self): return self.__class__(os.path.dirname(self)) |
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136 basename = os.path.basename |
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137 |
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138 def expand(self): |
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139 """ Clean up a filename by calling expandvars(), |
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140 expanduser(), and normpath() on it. |
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141 |
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142 This is commonly everything needed to clean up a filename |
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143 read from a configuration file, for example. |
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144 """ |
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145 return self.expandvars().expanduser().normpath() |
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146 |
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147 def _get_namebase(self): |
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148 base, ext = os.path.splitext(self.name) |
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149 return base |
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150 |
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151 def _get_ext(self): |
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152 f, ext = os.path.splitext(_base(self)) |
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153 return ext |
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154 |
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155 def _get_drive(self): |
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156 drive, r = os.path.splitdrive(self) |
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157 return self.__class__(drive) |
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158 |
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159 parent = property( |
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160 dirname, None, None, |
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161 """ This path's parent directory, as a new path object. |
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162 |
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163 For example, path('/usr/local/lib/libpython.so').parent == path('/usr/local/lib') |
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164 """) |
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165 |
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166 name = property( |
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167 basename, None, None, |
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168 """ The name of this file or directory without the full path. |
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169 |
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170 For example, path('/usr/local/lib/libpython.so').name == 'libpython.so' |
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171 """) |
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172 |
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173 namebase = property( |
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174 _get_namebase, None, None, |
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175 """ The same as path.name, but with one file extension stripped off. |
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176 |
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177 For example, path('/home/guido/python.tar.gz').name == 'python.tar.gz', |
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178 but path('/home/guido/python.tar.gz').namebase == 'python.tar' |
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179 """) |
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180 |
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181 ext = property( |
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182 _get_ext, None, None, |
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183 """ The file extension, for example '.py'. """) |
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184 |
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185 drive = property( |
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186 _get_drive, None, None, |
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187 """ The drive specifier, for example 'C:'. |
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188 This is always empty on systems that don't use drive specifiers. |
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189 """) |
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190 |
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191 def splitpath(self): |
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192 """ p.splitpath() -> Return (p.parent, p.name). """ |
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193 parent, child = os.path.split(self) |
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194 return self.__class__(parent), child |
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195 |
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196 def splitdrive(self): |
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197 """ p.splitdrive() -> Return (p.drive, <the rest of p>). |
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198 |
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|
199 Split the drive specifier from this path. If there is |
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parents:
diff
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|
200 no drive specifier, p.drive is empty, so the return value |
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201 is simply (path(''), p). This is always the case on Unix. |
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202 """ |
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203 drive, rel = os.path.splitdrive(self) |
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204 return self.__class__(drive), rel |
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205 |
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206 def splitext(self): |
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207 """ p.splitext() -> Return (p.stripext(), p.ext). |
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208 |
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209 Split the filename extension from this path and return |
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210 the two parts. Either part may be empty. |
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211 |
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212 The extension is everything from '.' to the end of the |
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213 last path segment. This has the property that if |
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214 (a, b) == p.splitext(), then a + b == p. |
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215 """ |
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216 filename, ext = os.path.splitext(self) |
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217 return self.__class__(filename), ext |
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218 |
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219 def stripext(self): |
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220 """ p.stripext() -> Remove one file extension from the path. |
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221 |
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222 For example, path('/home/guido/python.tar.gz').stripext() |
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223 returns path('/home/guido/python.tar'). |
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224 """ |
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225 return self.splitext()[0] |
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226 |
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227 if hasattr(os.path, 'splitunc'): |
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228 def splitunc(self): |
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229 unc, rest = os.path.splitunc(self) |
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230 return self.__class__(unc), rest |
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231 |
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232 def _get_uncshare(self): |
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233 unc, r = os.path.splitunc(self) |
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234 return self.__class__(unc) |
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235 |
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236 uncshare = property( |
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237 _get_uncshare, None, None, |
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* Datasets becomes the new trunk and retires after that :-)
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238 """ The UNC mount point for this path. |
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239 This is empty for paths on local drives. """) |
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240 |
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241 def joinpath(self, *args): |
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242 """ Join two or more path components, adding a separator |
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243 character (os.sep) if needed. Returns a new path |
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244 object. |
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245 """ |
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246 return self.__class__(os.path.join(self, *args)) |
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247 |
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248 def splitall(self): |
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249 r""" Return a list of the path components in this path. |
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250 |
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251 The first item in the list will be a path. Its value will be |
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252 either os.curdir, os.pardir, empty, or the root directory of |
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253 this path (for example, '/' or 'C:\\'). The other items in |
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254 the list will be strings. |
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255 |
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256 path.path.joinpath(*result) will yield the original path. |
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257 """ |
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258 parts = [] |
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259 loc = self |
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260 while loc != os.curdir and loc != os.pardir: |
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261 prev = loc |
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262 loc, child = prev.splitpath() |
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263 if loc == prev: |
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|
264 break |
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265 parts.append(child) |
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266 parts.append(loc) |
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267 parts.reverse() |
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268 return parts |
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269 |
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270 def relpath(self): |
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271 """ Return this path as a relative path, |
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272 based from the current working directory. |
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273 """ |
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274 cwd = self.__class__(os.getcwd()) |
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275 return cwd.relpathto(self) |
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276 |
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277 def relpathto(self, dest): |
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278 """ Return a relative path from self to dest. |
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279 |
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|
280 If there is no relative path from self to dest, for example if |
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|
281 they reside on different drives in Windows, then this returns |
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|
282 dest.abspath(). |
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|
283 """ |
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|
284 origin = self.abspath() |
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285 dest = self.__class__(dest).abspath() |
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|
286 |
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|
287 orig_list = origin.normcase().splitall() |
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288 # Don't normcase dest! We want to preserve the case. |
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289 dest_list = dest.splitall() |
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290 |
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291 if orig_list[0] != os.path.normcase(dest_list[0]): |
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292 # Can't get here from there. |
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293 return dest |
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294 |
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295 # Find the location where the two paths start to differ. |
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* Datasets becomes the new trunk and retires after that :-)
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296 i = 0 |
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297 for start_seg, dest_seg in zip(orig_list, dest_list): |
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298 if start_seg != os.path.normcase(dest_seg): |
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* Datasets becomes the new trunk and retires after that :-)
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|
299 break |
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|
300 i += 1 |
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301 |
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302 # Now i is the point where the two paths diverge. |
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303 # Need a certain number of "os.pardir"s to work up |
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304 # from the origin to the point of divergence. |
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305 segments = [os.pardir] * (len(orig_list) - i) |
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306 # Need to add the diverging part of dest_list. |
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307 segments += dest_list[i:] |
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* Datasets becomes the new trunk and retires after that :-)
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308 if len(segments) == 0: |
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309 # If they happen to be identical, use os.curdir. |
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310 relpath = os.curdir |
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311 else: |
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312 relpath = os.path.join(*segments) |
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313 return self.__class__(relpath) |
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314 |
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315 # --- Listing, searching, walking, and matching |
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316 |
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317 def listdir(self, pattern=None): |
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318 """ D.listdir() -> List of items in this directory. |
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319 |
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320 Use D.files() or D.dirs() instead if you want a listing |
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321 of just files or just subdirectories. |
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322 |
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323 The elements of the list are path objects. |
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324 |
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325 With the optional 'pattern' argument, this only lists |
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326 items whose names match the given pattern. |
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327 """ |
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328 names = os.listdir(self) |
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329 if pattern is not None: |
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330 names = fnmatch.filter(names, pattern) |
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331 return [self / child for child in names] |
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332 |
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333 def dirs(self, pattern=None): |
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334 """ D.dirs() -> List of this directory's subdirectories. |
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335 |
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336 The elements of the list are path objects. |
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337 This does not walk recursively into subdirectories |
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* Datasets becomes the new trunk and retires after that :-)
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338 (but see path.walkdirs). |
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339 |
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340 With the optional 'pattern' argument, this only lists |
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341 directories whose names match the given pattern. For |
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342 example, d.dirs('build-*'). |
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* Datasets becomes the new trunk and retires after that :-)
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343 """ |
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344 return [p for p in self.listdir(pattern) if p.isdir()] |
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345 |
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346 def files(self, pattern=None): |
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347 """ D.files() -> List of the files in this directory. |
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348 |
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349 The elements of the list are path objects. |
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350 This does not walk into subdirectories (see path.walkfiles). |
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351 |
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352 With the optional 'pattern' argument, this only lists files |
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353 whose names match the given pattern. For example, |
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354 d.files('*.pyc'). |
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|
355 """ |
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|
356 |
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357 return [p for p in self.listdir(pattern) if p.isfile()] |
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358 |
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359 def walk(self, pattern=None, errors='strict'): |
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360 """ D.walk() -> iterator over files and subdirs, recursively. |
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* Datasets becomes the new trunk and retires after that :-)
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|
361 |
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|
362 The iterator yields path objects naming each child item of |
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* Datasets becomes the new trunk and retires after that :-)
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|
363 this directory and its descendants. This requires that |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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|
364 D.isdir(). |
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* Datasets becomes the new trunk and retires after that :-)
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|
365 |
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* Datasets becomes the new trunk and retires after that :-)
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366 This performs a depth-first traversal of the directory tree. |
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* Datasets becomes the new trunk and retires after that :-)
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367 Each directory is returned just before all its children. |
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* Datasets becomes the new trunk and retires after that :-)
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|
368 |
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|
369 The errors= keyword argument controls behavior when an |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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|
370 error occurs. The default is 'strict', which causes an |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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|
371 exception. The other allowed values are 'warn', which |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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|
372 reports the error via warnings.warn(), and 'ignore'. |
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* Datasets becomes the new trunk and retires after that :-)
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|
373 """ |
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|
374 if errors not in ('strict', 'warn', 'ignore'): |
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* Datasets becomes the new trunk and retires after that :-)
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|
375 raise ValueError("invalid errors parameter") |
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* Datasets becomes the new trunk and retires after that :-)
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|
376 |
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* Datasets becomes the new trunk and retires after that :-)
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|
377 try: |
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* Datasets becomes the new trunk and retires after that :-)
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|
378 childList = self.listdir() |
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* Datasets becomes the new trunk and retires after that :-)
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|
379 except Exception: |
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* Datasets becomes the new trunk and retires after that :-)
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|
380 if errors == 'ignore': |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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|
381 return |
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* Datasets becomes the new trunk and retires after that :-)
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|
382 elif errors == 'warn': |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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|
383 warnings.warn( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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changeset
|
384 "Unable to list directory '%s': %s" |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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parents:
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|
385 % (self, sys.exc_info()[1]), |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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parents:
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changeset
|
386 TreeWalkWarning) |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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changeset
|
387 return |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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changeset
|
388 else: |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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changeset
|
389 raise |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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parents:
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|
390 |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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changeset
|
391 for child in childList: |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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changeset
|
392 if pattern is None or child.fnmatch(pattern): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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parents:
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|
393 yield child |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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changeset
|
394 try: |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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changeset
|
395 isdir = child.isdir() |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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changeset
|
396 except Exception: |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
397 if errors == 'ignore': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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parents:
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changeset
|
398 isdir = False |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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changeset
|
399 elif errors == 'warn': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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changeset
|
400 warnings.warn( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
401 "Unable to access '%s': %s" |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
402 % (child, sys.exc_info()[1]), |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
403 TreeWalkWarning) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
404 isdir = False |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
405 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
406 raise |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
407 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
408 if isdir: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
409 for item in child.walk(pattern, errors): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
410 yield item |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
411 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
412 def walkdirs(self, pattern=None, errors='strict'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
413 """ D.walkdirs() -> iterator over subdirs, recursively. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
414 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
415 With the optional 'pattern' argument, this yields only |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
416 directories whose names match the given pattern. For |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
417 example, mydir.walkdirs('*test') yields only directories |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
418 with names ending in 'test'. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
419 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
420 The errors= keyword argument controls behavior when an |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
421 error occurs. The default is 'strict', which causes an |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
422 exception. The other allowed values are 'warn', which |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
423 reports the error via warnings.warn(), and 'ignore'. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
424 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
425 if errors not in ('strict', 'warn', 'ignore'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
426 raise ValueError("invalid errors parameter") |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
427 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
428 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
429 dirs = self.dirs() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
430 except Exception: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
431 if errors == 'ignore': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
432 return |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
433 elif errors == 'warn': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
434 warnings.warn( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
435 "Unable to list directory '%s': %s" |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
436 % (self, sys.exc_info()[1]), |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
437 TreeWalkWarning) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
438 return |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
439 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
440 raise |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
441 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
442 for child in dirs: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
443 if pattern is None or child.fnmatch(pattern): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
444 yield child |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
445 for subsubdir in child.walkdirs(pattern, errors): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
446 yield subsubdir |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
447 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
448 def walkfiles(self, pattern=None, errors='strict'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
449 """ D.walkfiles() -> iterator over files in D, recursively. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
450 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
451 The optional argument, pattern, limits the results to files |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
452 with names that match the pattern. For example, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
453 mydir.walkfiles('*.tmp') yields only files with the .tmp |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
454 extension. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
455 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
456 if errors not in ('strict', 'warn', 'ignore'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
457 raise ValueError("invalid errors parameter") |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
458 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
459 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
460 childList = self.listdir() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
461 except Exception: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
462 if errors == 'ignore': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
463 return |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
464 elif errors == 'warn': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
465 warnings.warn( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
466 "Unable to list directory '%s': %s" |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
467 % (self, sys.exc_info()[1]), |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
468 TreeWalkWarning) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
469 return |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
470 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
471 raise |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
472 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
473 for child in childList: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
474 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
475 isfile = child.isfile() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
476 isdir = not isfile and child.isdir() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
477 except: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
478 if errors == 'ignore': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
479 continue |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
480 elif errors == 'warn': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
481 warnings.warn( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
482 "Unable to access '%s': %s" |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
483 % (self, sys.exc_info()[1]), |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
484 TreeWalkWarning) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
485 continue |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
486 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
487 raise |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
488 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
489 if isfile: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
490 if pattern is None or child.fnmatch(pattern): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
491 yield child |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
492 elif isdir: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
493 for f in child.walkfiles(pattern, errors): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
494 yield f |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
495 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
496 def fnmatch(self, pattern): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
497 """ Return True if self.name matches the given pattern. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
498 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
499 pattern - A filename pattern with wildcards, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
500 for example '*.py'. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
501 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
502 return fnmatch.fnmatch(self.name, pattern) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
503 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
504 def glob(self, pattern): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
505 """ Return a list of path objects that match the pattern. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
506 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
507 pattern - a path relative to this directory, with wildcards. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
508 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
509 For example, path('/users').glob('*/bin/*') returns a list |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
510 of all the files users have in their bin directories. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
511 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
512 cls = self.__class__ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
513 return [cls(s) for s in glob.glob(_base(self / pattern))] |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
514 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
515 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
516 # --- Reading or writing an entire file at once. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
517 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
518 def open(self, mode='r'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
519 """ Open this file. Return a file object. """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
520 return file(self, mode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
521 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
522 def bytes(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
523 """ Open this file, read all bytes, return them as a string. """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
524 f = self.open('rb') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
525 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
526 return f.read() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
527 finally: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
528 f.close() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
529 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
530 def write_bytes(self, bytes, append=False): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
531 """ Open this file and write the given bytes to it. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
532 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
533 Default behavior is to overwrite any existing file. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
534 Call p.write_bytes(bytes, append=True) to append instead. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
535 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
536 if append: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
537 mode = 'ab' |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
538 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
539 mode = 'wb' |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
540 f = self.open(mode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
541 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
542 f.write(bytes) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
543 finally: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
544 f.close() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
545 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
546 def text(self, encoding=None, errors='strict'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
547 r""" Open this file, read it in, return the content as a string. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
548 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
549 This uses 'U' mode in Python 2.3 and later, so '\r\n' and '\r' |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
550 are automatically translated to '\n'. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
551 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
552 Optional arguments: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
553 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
554 encoding - The Unicode encoding (or character set) of |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
555 the file. If present, the content of the file is |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
556 decoded and returned as a unicode object; otherwise |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
557 it is returned as an 8-bit str. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
558 errors - How to handle Unicode errors; see help(str.decode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
559 for the options. Default is 'strict'. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
560 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
561 if encoding is None: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
562 # 8-bit |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
563 f = self.open(_textmode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
564 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
565 return f.read() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
566 finally: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
567 f.close() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
568 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
569 # Unicode |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
570 f = codecs.open(self, 'r', encoding, errors) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
571 # (Note - Can't use 'U' mode here, since codecs.open |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
572 # doesn't support 'U' mode, even in Python 2.3.) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
573 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
574 t = f.read() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
575 finally: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
576 f.close() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
577 return (t.replace(u'\r\n', u'\n') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
578 .replace(u'\r\x85', u'\n') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
579 .replace(u'\r', u'\n') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
580 .replace(u'\x85', u'\n') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
581 .replace(u'\u2028', u'\n')) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
582 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
583 def write_text(self, text, encoding=None, errors='strict', linesep=os.linesep, append=False): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
584 r""" Write the given text to this file. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
585 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
586 The default behavior is to overwrite any existing file; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
587 to append instead, use the 'append=True' keyword argument. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
588 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
589 There are two differences between path.write_text() and |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
590 path.write_bytes(): newline handling and Unicode handling. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
591 See below. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
592 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
593 Parameters: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
594 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
595 - text - str/unicode - The text to be written. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
596 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
597 - encoding - str - The Unicode encoding that will be used. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
598 This is ignored if 'text' isn't a Unicode string. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
599 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
600 - errors - str - How to handle Unicode encoding errors. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
601 Default is 'strict'. See help(unicode.encode) for the |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
602 options. This is ignored if 'text' isn't a Unicode |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
603 string. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
604 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
605 - linesep - keyword argument - str/unicode - The sequence of |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
606 characters to be used to mark end-of-line. The default is |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
607 os.linesep. You can also specify None; this means to |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
608 leave all newlines as they are in 'text'. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
609 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
610 - append - keyword argument - bool - Specifies what to do if |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
611 the file already exists (True: append to the end of it; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
612 False: overwrite it.) The default is False. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
613 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
614 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
615 --- Newline handling. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
616 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
617 write_text() converts all standard end-of-line sequences |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
618 ('\n', '\r', and '\r\n') to your platform's default end-of-line |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
619 sequence (see os.linesep; on Windows, for example, the |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
620 end-of-line marker is '\r\n'). |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
621 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
622 If you don't like your platform's default, you can override it |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
623 using the 'linesep=' keyword argument. If you specifically want |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
624 write_text() to preserve the newlines as-is, use 'linesep=None'. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
625 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
626 This applies to Unicode text the same as to 8-bit text, except |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
627 there are three additional standard Unicode end-of-line sequences: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
628 u'\x85', u'\r\x85', and u'\u2028'. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
629 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
630 (This is slightly different from when you open a file for |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
631 writing with fopen(filename, "w") in C or file(filename, 'w') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
632 in Python.) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
633 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
634 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
635 --- Unicode |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
636 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
637 If 'text' isn't Unicode, then apart from newline handling, the |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
638 bytes are written verbatim to the file. The 'encoding' and |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
639 'errors' arguments are not used and must be omitted. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
640 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
641 If 'text' is Unicode, it is first converted to bytes using the |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
642 specified 'encoding' (or the default encoding if 'encoding' |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
643 isn't specified). The 'errors' argument applies only to this |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
644 conversion. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
645 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
646 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
647 if isinstance(text, unicode): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
648 if linesep is not None: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
649 # Convert all standard end-of-line sequences to |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
650 # ordinary newline characters. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
651 text = (text.replace(u'\r\n', u'\n') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
652 .replace(u'\r\x85', u'\n') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
653 .replace(u'\r', u'\n') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
654 .replace(u'\x85', u'\n') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
655 .replace(u'\u2028', u'\n')) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
656 text = text.replace(u'\n', linesep) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
657 if encoding is None: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
658 encoding = sys.getdefaultencoding() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
659 bytes = text.encode(encoding, errors) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
660 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
661 # It is an error to specify an encoding if 'text' is |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
662 # an 8-bit string. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
663 assert encoding is None |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
664 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
665 if linesep is not None: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
666 text = (text.replace('\r\n', '\n') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
667 .replace('\r', '\n')) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
668 bytes = text.replace('\n', linesep) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
669 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
670 self.write_bytes(bytes, append) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
671 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
672 def lines(self, encoding=None, errors='strict', retain=True): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
673 r""" Open this file, read all lines, return them in a list. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
674 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
675 Optional arguments: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
676 encoding - The Unicode encoding (or character set) of |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
677 the file. The default is None, meaning the content |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
678 of the file is read as 8-bit characters and returned |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
679 as a list of (non-Unicode) str objects. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
680 errors - How to handle Unicode errors; see help(str.decode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
681 for the options. Default is 'strict' |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
682 retain - If true, retain newline characters; but all newline |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
683 character combinations ('\r', '\n', '\r\n') are |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
684 translated to '\n'. If false, newline characters are |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
685 stripped off. Default is True. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
686 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
687 This uses 'U' mode in Python 2.3 and later. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
688 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
689 if encoding is None and retain: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
690 f = self.open(_textmode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
691 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
692 return f.readlines() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
693 finally: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
694 f.close() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
695 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
696 return self.text(encoding, errors).splitlines(retain) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
697 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
698 def write_lines(self, lines, encoding=None, errors='strict', |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
699 linesep=os.linesep, append=False): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
700 r""" Write the given lines of text to this file. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
701 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
702 By default this overwrites any existing file at this path. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
703 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
704 This puts a platform-specific newline sequence on every line. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
705 See 'linesep' below. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
706 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
707 lines - A list of strings. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
708 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
709 encoding - A Unicode encoding to use. This applies only if |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
710 'lines' contains any Unicode strings. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
711 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
712 errors - How to handle errors in Unicode encoding. This |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
713 also applies only to Unicode strings. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
714 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
715 linesep - The desired line-ending. This line-ending is |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
716 applied to every line. If a line already has any |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
717 standard line ending ('\r', '\n', '\r\n', u'\x85', |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
718 u'\r\x85', u'\u2028'), that will be stripped off and |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
719 this will be used instead. The default is os.linesep, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
720 which is platform-dependent ('\r\n' on Windows, '\n' on |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
721 Unix, etc.) Specify None to write the lines as-is, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
722 like file.writelines(). |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
723 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
724 Use the keyword argument append=True to append lines to the |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
725 file. The default is to overwrite the file. Warning: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
726 When you use this with Unicode data, if the encoding of the |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
727 existing data in the file is different from the encoding |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
728 you specify with the encoding= parameter, the result is |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
729 mixed-encoding data, which can really confuse someone trying |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
730 to read the file later. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
731 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
732 if append: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
733 mode = 'ab' |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
734 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
735 mode = 'wb' |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
736 f = self.open(mode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
737 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
738 for line in lines: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
739 isUnicode = isinstance(line, unicode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
740 if linesep is not None: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
741 # Strip off any existing line-end and add the |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
742 # specified linesep string. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
743 if isUnicode: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
744 if line[-2:] in (u'\r\n', u'\x0d\x85'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
745 line = line[:-2] |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
746 elif line[-1:] in (u'\r', u'\n', |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
747 u'\x85', u'\u2028'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
748 line = line[:-1] |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
749 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
750 if line[-2:] == '\r\n': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
751 line = line[:-2] |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
752 elif line[-1:] in ('\r', '\n'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
753 line = line[:-1] |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
754 line += linesep |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
755 if isUnicode: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
756 if encoding is None: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
757 encoding = sys.getdefaultencoding() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
758 line = line.encode(encoding, errors) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
759 f.write(line) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
760 finally: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
761 f.close() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
762 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
763 def read_md5(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
764 """ Calculate the md5 hash for this file. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
765 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
766 This reads through the entire file. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
767 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
768 f = self.open('rb') |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
769 try: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
770 m = md5.new() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
771 while True: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
772 d = f.read(8192) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
773 if not d: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
774 break |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
775 m.update(d) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
776 finally: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
777 f.close() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
778 return m.digest() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
779 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
780 # --- Methods for querying the filesystem. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
781 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
782 exists = os.path.exists |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
783 isdir = os.path.isdir |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
784 isfile = os.path.isfile |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
785 islink = os.path.islink |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
786 ismount = os.path.ismount |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
787 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
788 if hasattr(os.path, 'samefile'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
789 samefile = os.path.samefile |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
790 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
791 getatime = os.path.getatime |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
792 atime = property( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
793 getatime, None, None, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
794 """ Last access time of the file. """) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
795 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
796 getmtime = os.path.getmtime |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
797 mtime = property( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
798 getmtime, None, None, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
799 """ Last-modified time of the file. """) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
800 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
801 if hasattr(os.path, 'getctime'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
802 getctime = os.path.getctime |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
803 ctime = property( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
804 getctime, None, None, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
805 """ Creation time of the file. """) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
806 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
807 getsize = os.path.getsize |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
808 size = property( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
809 getsize, None, None, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
810 """ Size of the file, in bytes. """) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
811 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
812 if hasattr(os, 'access'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
813 def access(self, mode): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
814 """ Return true if current user has access to this path. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
815 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
816 mode - One of the constants os.F_OK, os.R_OK, os.W_OK, os.X_OK |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
817 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
818 return os.access(self, mode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
819 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
820 def stat(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
821 """ Perform a stat() system call on this path. """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
822 return os.stat(self) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
823 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
824 def lstat(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
825 """ Like path.stat(), but do not follow symbolic links. """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
826 return os.lstat(self) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
827 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
828 def get_owner(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
829 r""" Return the name of the owner of this file or directory. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
830 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
831 This follows symbolic links. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
832 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
833 On Windows, this returns a name of the form ur'DOMAIN\User Name'. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
834 On Windows, a group can own a file or directory. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
835 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
836 if os.name == 'nt': |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
837 if win32security is None: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
838 raise Exception("path.owner requires win32all to be installed") |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
839 desc = win32security.GetFileSecurity( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
840 self, win32security.OWNER_SECURITY_INFORMATION) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
841 sid = desc.GetSecurityDescriptorOwner() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
842 account, domain, typecode = win32security.LookupAccountSid(None, sid) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
843 return domain + u'\\' + account |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
844 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
845 if pwd is None: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
846 raise NotImplementedError("path.owner is not implemented on this platform.") |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
847 st = self.stat() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
848 return pwd.getpwuid(st.st_uid).pw_name |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
849 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
850 owner = property( |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
851 get_owner, None, None, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
852 """ Name of the owner of this file or directory. """) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
853 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
854 if hasattr(os, 'statvfs'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
855 def statvfs(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
856 """ Perform a statvfs() system call on this path. """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
857 return os.statvfs(self) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
858 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
859 if hasattr(os, 'pathconf'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
860 def pathconf(self, name): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
861 return os.pathconf(self, name) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
862 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
863 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
864 # --- Modifying operations on files and directories |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
865 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
866 def utime(self, times): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
867 """ Set the access and modified times of this file. """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
868 os.utime(self, times) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
869 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
870 def chmod(self, mode): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
871 os.chmod(self, mode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
872 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
873 if hasattr(os, 'chown'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
874 def chown(self, uid, gid): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
875 os.chown(self, uid, gid) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
876 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
877 def rename(self, new): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
878 os.rename(self, new) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
879 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
880 def renames(self, new): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
881 os.renames(self, new) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
882 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
883 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
884 # --- Create/delete operations on directories |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
885 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
886 def mkdir(self, mode=0777): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
887 os.mkdir(self, mode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
888 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
889 def makedirs(self, mode=0777): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
890 os.makedirs(self, mode) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
891 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
892 def rmdir(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
893 os.rmdir(self) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
894 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
895 def removedirs(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
896 os.removedirs(self) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
897 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
898 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
899 # --- Modifying operations on files |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
900 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
901 def touch(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
902 """ Set the access/modified times of this file to the current time. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
903 Create the file if it does not exist. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
904 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
905 fd = os.open(self, os.O_WRONLY | os.O_CREAT, 0666) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
906 os.close(fd) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
907 os.utime(self, None) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
908 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
909 def remove(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
910 os.remove(self) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
911 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
912 def unlink(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
913 os.unlink(self) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
914 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
915 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
916 # --- Links |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
917 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
918 if hasattr(os, 'link'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
919 def link(self, newpath): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
920 """ Create a hard link at 'newpath', pointing to this file. """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
921 os.link(self, newpath) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
922 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
923 if hasattr(os, 'symlink'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
924 def symlink(self, newlink): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
925 """ Create a symbolic link at 'newlink', pointing here. """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
926 os.symlink(self, newlink) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
927 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
928 if hasattr(os, 'readlink'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
929 def readlink(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
930 """ Return the path to which this symbolic link points. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
931 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
932 The result may be an absolute or a relative path. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
933 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
934 return self.__class__(os.readlink(self)) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
935 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
936 def readlinkabs(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
937 """ Return the path to which this symbolic link points. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
938 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
939 The result is always an absolute path. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
940 """ |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
941 p = self.readlink() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
942 if p.isabs(): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
943 return p |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
944 else: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
945 return (self.parent / p).abspath() |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
946 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
947 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
948 # --- High-level functions from shutil |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
949 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
950 copyfile = shutil.copyfile |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
951 copymode = shutil.copymode |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
952 copystat = shutil.copystat |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
953 copy = shutil.copy |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
954 copy2 = shutil.copy2 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
955 copytree = shutil.copytree |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
956 if hasattr(shutil, 'move'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
957 move = shutil.move |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
958 rmtree = shutil.rmtree |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
959 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
960 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
961 # --- Special stuff from os |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
962 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
963 if hasattr(os, 'chroot'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
964 def chroot(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
965 os.chroot(self) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
966 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
967 if hasattr(os, 'startfile'): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
968 def startfile(self): |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
969 os.startfile(self) |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
970 |