annotate planemo/lib/python3.7/site-packages/pip/_internal/utils/appdirs.py @ 1:56ad4e20f292 draft

"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1 """
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2 This code was taken from https://github.com/ActiveState/appdirs and modified
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3 to suit our purposes.
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4 """
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5 from __future__ import absolute_import
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6
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7 import os
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8 import sys
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9
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10 from pip._vendor.six import PY2, text_type
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11
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12 from pip._internal.utils.compat import WINDOWS, expanduser
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13 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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14
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15 if MYPY_CHECK_RUNNING:
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16 from typing import List
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17
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18
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19 def user_cache_dir(appname):
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20 # type: (str) -> str
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21 r"""
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22 Return full path to the user-specific cache dir for this application.
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23
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24 "appname" is the name of application.
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25
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26 Typical user cache directories are:
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27 macOS: ~/Library/Caches/<AppName>
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28 Unix: ~/.cache/<AppName> (XDG default)
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29 Windows: C:\Users\<username>\AppData\Local\<AppName>\Cache
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30
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31 On Windows the only suggestion in the MSDN docs is that local settings go
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32 in the `CSIDL_LOCAL_APPDATA` directory. This is identical to the
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33 non-roaming app data dir (the default returned by `user_data_dir`). Apps
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34 typically put cache data somewhere *under* the given dir here. Some
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35 examples:
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36 ...\Mozilla\Firefox\Profiles\<ProfileName>\Cache
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37 ...\Acme\SuperApp\Cache\1.0
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38
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39 OPINION: This function appends "Cache" to the `CSIDL_LOCAL_APPDATA` value.
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40 """
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41 if WINDOWS:
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42 # Get the base path
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43 path = os.path.normpath(_get_win_folder("CSIDL_LOCAL_APPDATA"))
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44
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45 # When using Python 2, return paths as bytes on Windows like we do on
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46 # other operating systems. See helper function docs for more details.
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47 if PY2 and isinstance(path, text_type):
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48 path = _win_path_to_bytes(path)
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49
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50 # Add our app name and Cache directory to it
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51 path = os.path.join(path, appname, "Cache")
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52 elif sys.platform == "darwin":
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53 # Get the base path
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54 path = expanduser("~/Library/Caches")
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55
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56 # Add our app name to it
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57 path = os.path.join(path, appname)
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58 else:
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59 # Get the base path
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60 path = os.getenv("XDG_CACHE_HOME", expanduser("~/.cache"))
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61
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62 # Add our app name to it
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63 path = os.path.join(path, appname)
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64
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65 return path
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66
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67
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68 def user_data_dir(appname, roaming=False):
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69 # type: (str, bool) -> str
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70 r"""
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71 Return full path to the user-specific data dir for this application.
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72
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73 "appname" is the name of application.
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74 If None, just the system directory is returned.
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75 "roaming" (boolean, default False) can be set True to use the Windows
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76 roaming appdata directory. That means that for users on a Windows
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77 network setup for roaming profiles, this user data will be
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78 sync'd on login. See
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79 <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
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80 for a discussion of issues.
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81
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82 Typical user data directories are:
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83 macOS: ~/Library/Application Support/<AppName>
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84 if it exists, else ~/.config/<AppName>
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85 Unix: ~/.local/share/<AppName> # or in
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86 $XDG_DATA_HOME, if defined
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87 Win XP (not roaming): C:\Documents and Settings\<username>\ ...
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88 ...Application Data\<AppName>
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89 Win XP (roaming): C:\Documents and Settings\<username>\Local ...
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90 ...Settings\Application Data\<AppName>
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91 Win 7 (not roaming): C:\\Users\<username>\AppData\Local\<AppName>
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92 Win 7 (roaming): C:\\Users\<username>\AppData\Roaming\<AppName>
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93
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94 For Unix, we follow the XDG spec and support $XDG_DATA_HOME.
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95 That means, by default "~/.local/share/<AppName>".
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96 """
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97 if WINDOWS:
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98 const = roaming and "CSIDL_APPDATA" or "CSIDL_LOCAL_APPDATA"
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99 path = os.path.join(os.path.normpath(_get_win_folder(const)), appname)
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100 elif sys.platform == "darwin":
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101 path = os.path.join(
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102 expanduser('~/Library/Application Support/'),
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103 appname,
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104 ) if os.path.isdir(os.path.join(
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105 expanduser('~/Library/Application Support/'),
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106 appname,
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107 )
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108 ) else os.path.join(
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109 expanduser('~/.config/'),
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110 appname,
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111 )
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112 else:
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113 path = os.path.join(
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114 os.getenv('XDG_DATA_HOME', expanduser("~/.local/share")),
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115 appname,
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116 )
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117
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118 return path
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119
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120
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121 def user_config_dir(appname, roaming=True):
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122 # type: (str, bool) -> str
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123 """Return full path to the user-specific config dir for this application.
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124
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125 "appname" is the name of application.
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126 If None, just the system directory is returned.
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127 "roaming" (boolean, default True) can be set False to not use the
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128 Windows roaming appdata directory. That means that for users on a
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129 Windows network setup for roaming profiles, this user data will be
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130 sync'd on login. See
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131 <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
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132 for a discussion of issues.
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133
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134 Typical user data directories are:
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135 macOS: same as user_data_dir
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136 Unix: ~/.config/<AppName>
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137 Win *: same as user_data_dir
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138
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139 For Unix, we follow the XDG spec and support $XDG_CONFIG_HOME.
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140 That means, by default "~/.config/<AppName>".
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141 """
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142 if WINDOWS:
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143 path = user_data_dir(appname, roaming=roaming)
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144 elif sys.platform == "darwin":
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145 path = user_data_dir(appname)
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146 else:
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147 path = os.getenv('XDG_CONFIG_HOME', expanduser("~/.config"))
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148 path = os.path.join(path, appname)
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149
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150 return path
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151
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152
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153 # for the discussion regarding site_config_dirs locations
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154 # see <https://github.com/pypa/pip/issues/1733>
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155 def site_config_dirs(appname):
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156 # type: (str) -> List[str]
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157 r"""Return a list of potential user-shared config dirs for this application.
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158
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159 "appname" is the name of application.
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160
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161 Typical user config directories are:
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162 macOS: /Library/Application Support/<AppName>/
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163 Unix: /etc or $XDG_CONFIG_DIRS[i]/<AppName>/ for each value in
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164 $XDG_CONFIG_DIRS
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165 Win XP: C:\Documents and Settings\All Users\Application ...
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166 ...Data\<AppName>\
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167 Vista: (Fail! "C:\ProgramData" is a hidden *system* directory
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168 on Vista.)
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169 Win 7: Hidden, but writeable on Win 7:
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170 C:\ProgramData\<AppName>\
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171 """
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172 if WINDOWS:
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173 path = os.path.normpath(_get_win_folder("CSIDL_COMMON_APPDATA"))
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174 pathlist = [os.path.join(path, appname)]
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175 elif sys.platform == 'darwin':
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176 pathlist = [os.path.join('/Library/Application Support', appname)]
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177 else:
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178 # try looking in $XDG_CONFIG_DIRS
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179 xdg_config_dirs = os.getenv('XDG_CONFIG_DIRS', '/etc/xdg')
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180 if xdg_config_dirs:
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181 pathlist = [
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182 os.path.join(expanduser(x), appname)
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183 for x in xdg_config_dirs.split(os.pathsep)
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184 ]
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185 else:
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186 pathlist = []
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187
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188 # always look in /etc directly as well
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189 pathlist.append('/etc')
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190
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191 return pathlist
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192
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193
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194 # -- Windows support functions --
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195
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196 def _get_win_folder_from_registry(csidl_name):
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197 # type: (str) -> str
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198 """
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199 This is a fallback technique at best. I'm not sure if using the
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200 registry for this guarantees us the correct answer for all CSIDL_*
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201 names.
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202 """
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203 import _winreg
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204
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205 shell_folder_name = {
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206 "CSIDL_APPDATA": "AppData",
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207 "CSIDL_COMMON_APPDATA": "Common AppData",
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208 "CSIDL_LOCAL_APPDATA": "Local AppData",
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209 }[csidl_name]
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210
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211 key = _winreg.OpenKey(
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212 _winreg.HKEY_CURRENT_USER,
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213 r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders"
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214 )
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215 directory, _type = _winreg.QueryValueEx(key, shell_folder_name)
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216 return directory
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217
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218
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219 def _get_win_folder_with_ctypes(csidl_name):
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220 # type: (str) -> str
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221 csidl_const = {
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222 "CSIDL_APPDATA": 26,
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223 "CSIDL_COMMON_APPDATA": 35,
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224 "CSIDL_LOCAL_APPDATA": 28,
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225 }[csidl_name]
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226
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227 buf = ctypes.create_unicode_buffer(1024)
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228 ctypes.windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf)
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229
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230 # Downgrade to short path name if have highbit chars. See
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231 # <http://bugs.activestate.com/show_bug.cgi?id=85099>.
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232 has_high_char = False
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233 for c in buf:
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234 if ord(c) > 255:
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235 has_high_char = True
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236 break
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237 if has_high_char:
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238 buf2 = ctypes.create_unicode_buffer(1024)
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239 if ctypes.windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024):
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240 buf = buf2
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241
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242 return buf.value
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243
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244
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245 if WINDOWS:
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246 try:
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247 import ctypes
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248 _get_win_folder = _get_win_folder_with_ctypes
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249 except ImportError:
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250 _get_win_folder = _get_win_folder_from_registry
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251
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252
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253 def _win_path_to_bytes(path):
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254 """Encode Windows paths to bytes. Only used on Python 2.
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255
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256 Motivation is to be consistent with other operating systems where paths
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257 are also returned as bytes. This avoids problems mixing bytes and Unicode
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258 elsewhere in the codebase. For more details and discussion see
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259 <https://github.com/pypa/pip/issues/3463>.
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260
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261 If encoding using ASCII and MBCS fails, return the original Unicode path.
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262 """
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263 for encoding in ('ASCII', 'MBCS'):
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264 try:
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265 return path.encode(encoding)
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266 except (UnicodeEncodeError, LookupError):
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267 pass
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268 return path