Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pkg_resources/__init__.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 """ |
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2 Package resource API |
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3 -------------------- |
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4 |
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5 A resource is a logical file contained within a package, or a logical |
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6 subdirectory thereof. The package resource API expects resource names |
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7 to have their path parts separated with ``/``, *not* whatever the local |
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8 path separator is. Do not use os.path operations to manipulate resource |
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9 names being passed into the API. |
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10 |
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11 The package resource API is designed to work with normal filesystem packages, |
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12 .egg files, and unpacked .egg files. It can also work in a limited way with |
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13 .zip files and with custom PEP 302 loaders that support the ``get_data()`` |
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14 method. |
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15 """ |
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16 |
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17 import sys |
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18 import os |
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19 import io |
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20 import time |
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21 import re |
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22 import types |
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23 import zipfile |
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24 import zipimport |
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25 import warnings |
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26 import stat |
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27 import functools |
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28 import pkgutil |
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29 import operator |
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30 import platform |
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31 import collections |
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32 import plistlib |
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33 import email.parser |
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34 import errno |
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35 import tempfile |
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36 import textwrap |
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37 import itertools |
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38 import inspect |
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39 import ntpath |
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40 import posixpath |
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41 import importlib |
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42 from pkgutil import get_importer |
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43 |
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44 try: |
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45 import _imp |
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46 except ImportError: |
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47 # Python 3.2 compatibility |
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48 import imp as _imp |
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49 |
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50 try: |
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51 FileExistsError |
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52 except NameError: |
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53 FileExistsError = OSError |
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54 |
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55 # capture these to bypass sandboxing |
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56 from os import utime |
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57 try: |
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58 from os import mkdir, rename, unlink |
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59 WRITE_SUPPORT = True |
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60 except ImportError: |
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61 # no write support, probably under GAE |
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62 WRITE_SUPPORT = False |
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63 |
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64 from os import open as os_open |
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65 from os.path import isdir, split |
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66 |
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67 try: |
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68 import importlib.machinery as importlib_machinery |
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69 # access attribute to force import under delayed import mechanisms. |
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70 importlib_machinery.__name__ |
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71 except ImportError: |
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72 importlib_machinery = None |
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73 |
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74 from pkg_resources.extern import appdirs |
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75 from pkg_resources.extern import packaging |
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76 __import__('pkg_resources.extern.packaging.version') |
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77 __import__('pkg_resources.extern.packaging.specifiers') |
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78 __import__('pkg_resources.extern.packaging.requirements') |
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79 __import__('pkg_resources.extern.packaging.markers') |
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80 |
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81 if sys.version_info < (3, 5): |
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82 raise RuntimeError("Python 3.5 or later is required") |
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83 |
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84 # declare some globals that will be defined later to |
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85 # satisfy the linters. |
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86 require = None |
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87 working_set = None |
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88 add_activation_listener = None |
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89 resources_stream = None |
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90 cleanup_resources = None |
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91 resource_dir = None |
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92 resource_stream = None |
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93 set_extraction_path = None |
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94 resource_isdir = None |
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95 resource_string = None |
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96 iter_entry_points = None |
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97 resource_listdir = None |
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98 resource_filename = None |
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99 resource_exists = None |
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100 _distribution_finders = None |
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101 _namespace_handlers = None |
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102 _namespace_packages = None |
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103 |
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104 |
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105 class PEP440Warning(RuntimeWarning): |
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106 """ |
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107 Used when there is an issue with a version or specifier not complying with |
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108 PEP 440. |
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109 """ |
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110 |
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111 |
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112 def parse_version(v): |
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113 try: |
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114 return packaging.version.Version(v) |
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115 except packaging.version.InvalidVersion: |
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116 return packaging.version.LegacyVersion(v) |
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117 |
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118 |
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119 _state_vars = {} |
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120 |
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121 |
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122 def _declare_state(vartype, **kw): |
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123 globals().update(kw) |
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124 _state_vars.update(dict.fromkeys(kw, vartype)) |
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125 |
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126 |
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127 def __getstate__(): |
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128 state = {} |
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129 g = globals() |
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130 for k, v in _state_vars.items(): |
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131 state[k] = g['_sget_' + v](g[k]) |
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132 return state |
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133 |
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134 |
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135 def __setstate__(state): |
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136 g = globals() |
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137 for k, v in state.items(): |
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138 g['_sset_' + _state_vars[k]](k, g[k], v) |
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139 return state |
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140 |
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141 |
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142 def _sget_dict(val): |
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143 return val.copy() |
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144 |
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145 |
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146 def _sset_dict(key, ob, state): |
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147 ob.clear() |
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148 ob.update(state) |
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149 |
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150 |
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151 def _sget_object(val): |
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152 return val.__getstate__() |
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153 |
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154 |
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155 def _sset_object(key, ob, state): |
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156 ob.__setstate__(state) |
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157 |
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158 |
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159 _sget_none = _sset_none = lambda *args: None |
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160 |
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161 |
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162 def get_supported_platform(): |
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163 """Return this platform's maximum compatible version. |
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164 |
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165 distutils.util.get_platform() normally reports the minimum version |
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166 of macOS that would be required to *use* extensions produced by |
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167 distutils. But what we want when checking compatibility is to know the |
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168 version of macOS that we are *running*. To allow usage of packages that |
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169 explicitly require a newer version of macOS, we must also know the |
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170 current version of the OS. |
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171 |
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172 If this condition occurs for any other platform with a version in its |
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173 platform strings, this function should be extended accordingly. |
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174 """ |
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175 plat = get_build_platform() |
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176 m = macosVersionString.match(plat) |
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177 if m is not None and sys.platform == "darwin": |
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178 try: |
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179 plat = 'macosx-%s-%s' % ('.'.join(_macos_vers()[:2]), m.group(3)) |
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180 except ValueError: |
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181 # not macOS |
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182 pass |
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183 return plat |
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184 |
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185 |
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186 __all__ = [ |
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187 # Basic resource access and distribution/entry point discovery |
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188 'require', 'run_script', 'get_provider', 'get_distribution', |
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189 'load_entry_point', 'get_entry_map', 'get_entry_info', |
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190 'iter_entry_points', |
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191 'resource_string', 'resource_stream', 'resource_filename', |
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192 'resource_listdir', 'resource_exists', 'resource_isdir', |
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193 |
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194 # Environmental control |
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195 'declare_namespace', 'working_set', 'add_activation_listener', |
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196 'find_distributions', 'set_extraction_path', 'cleanup_resources', |
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197 'get_default_cache', |
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198 |
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199 # Primary implementation classes |
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200 'Environment', 'WorkingSet', 'ResourceManager', |
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201 'Distribution', 'Requirement', 'EntryPoint', |
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202 |
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203 # Exceptions |
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204 'ResolutionError', 'VersionConflict', 'DistributionNotFound', |
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205 'UnknownExtra', 'ExtractionError', |
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206 |
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207 # Warnings |
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208 'PEP440Warning', |
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209 |
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210 # Parsing functions and string utilities |
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211 'parse_requirements', 'parse_version', 'safe_name', 'safe_version', |
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212 'get_platform', 'compatible_platforms', 'yield_lines', 'split_sections', |
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213 'safe_extra', 'to_filename', 'invalid_marker', 'evaluate_marker', |
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214 |
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215 # filesystem utilities |
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216 'ensure_directory', 'normalize_path', |
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217 |
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218 # Distribution "precedence" constants |
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219 'EGG_DIST', 'BINARY_DIST', 'SOURCE_DIST', 'CHECKOUT_DIST', 'DEVELOP_DIST', |
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220 |
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221 # "Provider" interfaces, implementations, and registration/lookup APIs |
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222 'IMetadataProvider', 'IResourceProvider', 'FileMetadata', |
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223 'PathMetadata', 'EggMetadata', 'EmptyProvider', 'empty_provider', |
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224 'NullProvider', 'EggProvider', 'DefaultProvider', 'ZipProvider', |
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225 'register_finder', 'register_namespace_handler', 'register_loader_type', |
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226 'fixup_namespace_packages', 'get_importer', |
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227 |
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228 # Warnings |
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229 'PkgResourcesDeprecationWarning', |
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230 |
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231 # Deprecated/backward compatibility only |
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232 'run_main', 'AvailableDistributions', |
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233 ] |
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234 |
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235 |
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236 class ResolutionError(Exception): |
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237 """Abstract base for dependency resolution errors""" |
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238 |
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239 def __repr__(self): |
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240 return self.__class__.__name__ + repr(self.args) |
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241 |
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242 |
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243 class VersionConflict(ResolutionError): |
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244 """ |
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245 An already-installed version conflicts with the requested version. |
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246 |
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247 Should be initialized with the installed Distribution and the requested |
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248 Requirement. |
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249 """ |
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250 |
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251 _template = "{self.dist} is installed but {self.req} is required" |
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252 |
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253 @property |
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254 def dist(self): |
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255 return self.args[0] |
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256 |
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257 @property |
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258 def req(self): |
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259 return self.args[1] |
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260 |
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261 def report(self): |
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262 return self._template.format(**locals()) |
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263 |
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264 def with_context(self, required_by): |
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265 """ |
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266 If required_by is non-empty, return a version of self that is a |
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267 ContextualVersionConflict. |
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268 """ |
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269 if not required_by: |
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270 return self |
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271 args = self.args + (required_by,) |
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272 return ContextualVersionConflict(*args) |
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273 |
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274 |
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275 class ContextualVersionConflict(VersionConflict): |
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276 """ |
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277 A VersionConflict that accepts a third parameter, the set of the |
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278 requirements that required the installed Distribution. |
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279 """ |
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280 |
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281 _template = VersionConflict._template + ' by {self.required_by}' |
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282 |
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283 @property |
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284 def required_by(self): |
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285 return self.args[2] |
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286 |
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287 |
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288 class DistributionNotFound(ResolutionError): |
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289 """A requested distribution was not found""" |
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290 |
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291 _template = ("The '{self.req}' distribution was not found " |
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292 "and is required by {self.requirers_str}") |
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293 |
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294 @property |
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295 def req(self): |
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296 return self.args[0] |
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297 |
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298 @property |
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299 def requirers(self): |
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300 return self.args[1] |
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301 |
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302 @property |
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303 def requirers_str(self): |
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304 if not self.requirers: |
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305 return 'the application' |
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306 return ', '.join(self.requirers) |
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307 |
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308 def report(self): |
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309 return self._template.format(**locals()) |
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310 |
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311 def __str__(self): |
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312 return self.report() |
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313 |
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314 |
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315 class UnknownExtra(ResolutionError): |
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316 """Distribution doesn't have an "extra feature" of the given name""" |
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317 |
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318 |
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319 _provider_factories = {} |
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320 |
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321 PY_MAJOR = '{}.{}'.format(*sys.version_info) |
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322 EGG_DIST = 3 |
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323 BINARY_DIST = 2 |
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324 SOURCE_DIST = 1 |
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325 CHECKOUT_DIST = 0 |
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326 DEVELOP_DIST = -1 |
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327 |
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328 |
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329 def register_loader_type(loader_type, provider_factory): |
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330 """Register `provider_factory` to make providers for `loader_type` |
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331 |
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332 `loader_type` is the type or class of a PEP 302 ``module.__loader__``, |
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333 and `provider_factory` is a function that, passed a *module* object, |
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334 returns an ``IResourceProvider`` for that module. |
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335 """ |
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336 _provider_factories[loader_type] = provider_factory |
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337 |
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338 |
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339 def get_provider(moduleOrReq): |
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340 """Return an IResourceProvider for the named module or requirement""" |
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341 if isinstance(moduleOrReq, Requirement): |
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342 return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0] |
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343 try: |
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344 module = sys.modules[moduleOrReq] |
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345 except KeyError: |
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346 __import__(moduleOrReq) |
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347 module = sys.modules[moduleOrReq] |
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348 loader = getattr(module, '__loader__', None) |
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349 return _find_adapter(_provider_factories, loader)(module) |
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350 |
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351 |
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352 def _macos_vers(_cache=[]): |
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353 if not _cache: |
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354 version = platform.mac_ver()[0] |
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355 # fallback for MacPorts |
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356 if version == '': |
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357 plist = '/System/Library/CoreServices/SystemVersion.plist' |
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358 if os.path.exists(plist): |
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359 if hasattr(plistlib, 'readPlist'): |
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360 plist_content = plistlib.readPlist(plist) |
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361 if 'ProductVersion' in plist_content: |
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362 version = plist_content['ProductVersion'] |
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363 |
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364 _cache.append(version.split('.')) |
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365 return _cache[0] |
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366 |
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367 |
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368 def _macos_arch(machine): |
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369 return {'PowerPC': 'ppc', 'Power_Macintosh': 'ppc'}.get(machine, machine) |
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370 |
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371 |
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372 def get_build_platform(): |
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373 """Return this platform's string for platform-specific distributions |
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374 |
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375 XXX Currently this is the same as ``distutils.util.get_platform()``, but it |
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376 needs some hacks for Linux and macOS. |
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377 """ |
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378 from sysconfig import get_platform |
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379 |
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380 plat = get_platform() |
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381 if sys.platform == "darwin" and not plat.startswith('macosx-'): |
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382 try: |
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383 version = _macos_vers() |
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384 machine = os.uname()[4].replace(" ", "_") |
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385 return "macosx-%d.%d-%s" % ( |
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386 int(version[0]), int(version[1]), |
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387 _macos_arch(machine), |
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388 ) |
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389 except ValueError: |
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390 # if someone is running a non-Mac darwin system, this will fall |
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391 # through to the default implementation |
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392 pass |
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393 return plat |
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394 |
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395 |
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396 macosVersionString = re.compile(r"macosx-(\d+)\.(\d+)-(.*)") |
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397 darwinVersionString = re.compile(r"darwin-(\d+)\.(\d+)\.(\d+)-(.*)") |
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398 # XXX backward compat |
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399 get_platform = get_build_platform |
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400 |
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401 |
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402 def compatible_platforms(provided, required): |
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403 """Can code for the `provided` platform run on the `required` platform? |
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404 |
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405 Returns true if either platform is ``None``, or the platforms are equal. |
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406 |
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407 XXX Needs compatibility checks for Linux and other unixy OSes. |
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408 """ |
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409 if provided is None or required is None or provided == required: |
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410 # easy case |
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411 return True |
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412 |
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413 # macOS special cases |
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414 reqMac = macosVersionString.match(required) |
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415 if reqMac: |
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416 provMac = macosVersionString.match(provided) |
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417 |
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418 # is this a Mac package? |
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419 if not provMac: |
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420 # this is backwards compatibility for packages built before |
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421 # setuptools 0.6. All packages built after this point will |
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422 # use the new macOS designation. |
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423 provDarwin = darwinVersionString.match(provided) |
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424 if provDarwin: |
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425 dversion = int(provDarwin.group(1)) |
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426 macosversion = "%s.%s" % (reqMac.group(1), reqMac.group(2)) |
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427 if dversion == 7 and macosversion >= "10.3" or \ |
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428 dversion == 8 and macosversion >= "10.4": |
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429 return True |
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430 # egg isn't macOS or legacy darwin |
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431 return False |
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432 |
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433 # are they the same major version and machine type? |
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434 if provMac.group(1) != reqMac.group(1) or \ |
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435 provMac.group(3) != reqMac.group(3): |
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436 return False |
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437 |
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438 # is the required OS major update >= the provided one? |
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439 if int(provMac.group(2)) > int(reqMac.group(2)): |
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440 return False |
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441 |
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442 return True |
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443 |
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444 # XXX Linux and other platforms' special cases should go here |
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445 return False |
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446 |
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447 |
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448 def run_script(dist_spec, script_name): |
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449 """Locate distribution `dist_spec` and run its `script_name` script""" |
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450 ns = sys._getframe(1).f_globals |
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451 name = ns['__name__'] |
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452 ns.clear() |
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453 ns['__name__'] = name |
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454 require(dist_spec)[0].run_script(script_name, ns) |
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455 |
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456 |
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457 # backward compatibility |
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458 run_main = run_script |
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459 |
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460 |
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461 def get_distribution(dist): |
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462 """Return a current distribution object for a Requirement or string""" |
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463 if isinstance(dist, str): |
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464 dist = Requirement.parse(dist) |
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465 if isinstance(dist, Requirement): |
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466 dist = get_provider(dist) |
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467 if not isinstance(dist, Distribution): |
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468 raise TypeError("Expected string, Requirement, or Distribution", dist) |
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469 return dist |
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470 |
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471 |
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472 def load_entry_point(dist, group, name): |
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473 """Return `name` entry point of `group` for `dist` or raise ImportError""" |
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474 return get_distribution(dist).load_entry_point(group, name) |
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475 |
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476 |
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477 def get_entry_map(dist, group=None): |
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478 """Return the entry point map for `group`, or the full entry map""" |
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479 return get_distribution(dist).get_entry_map(group) |
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480 |
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481 |
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482 def get_entry_info(dist, group, name): |
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483 """Return the EntryPoint object for `group`+`name`, or ``None``""" |
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484 return get_distribution(dist).get_entry_info(group, name) |
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485 |
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486 |
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487 class IMetadataProvider: |
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488 def has_metadata(name): |
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489 """Does the package's distribution contain the named metadata?""" |
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490 |
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491 def get_metadata(name): |
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492 """The named metadata resource as a string""" |
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493 |
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494 def get_metadata_lines(name): |
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495 """Yield named metadata resource as list of non-blank non-comment lines |
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496 |
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497 Leading and trailing whitespace is stripped from each line, and lines |
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498 with ``#`` as the first non-blank character are omitted.""" |
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499 |
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500 def metadata_isdir(name): |
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501 """Is the named metadata a directory? (like ``os.path.isdir()``)""" |
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502 |
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503 def metadata_listdir(name): |
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504 """List of metadata names in the directory (like ``os.listdir()``)""" |
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505 |
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506 def run_script(script_name, namespace): |
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507 """Execute the named script in the supplied namespace dictionary""" |
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508 |
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509 |
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510 class IResourceProvider(IMetadataProvider): |
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511 """An object that provides access to package resources""" |
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512 |
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513 def get_resource_filename(manager, resource_name): |
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514 """Return a true filesystem path for `resource_name` |
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515 |
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516 `manager` must be an ``IResourceManager``""" |
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517 |
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518 def get_resource_stream(manager, resource_name): |
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519 """Return a readable file-like object for `resource_name` |
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520 |
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521 `manager` must be an ``IResourceManager``""" |
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522 |
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523 def get_resource_string(manager, resource_name): |
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524 """Return a string containing the contents of `resource_name` |
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525 |
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526 `manager` must be an ``IResourceManager``""" |
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527 |
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528 def has_resource(resource_name): |
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529 """Does the package contain the named resource?""" |
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530 |
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531 def resource_isdir(resource_name): |
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532 """Is the named resource a directory? (like ``os.path.isdir()``)""" |
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533 |
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534 def resource_listdir(resource_name): |
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535 """List of resource names in the directory (like ``os.listdir()``)""" |
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536 |
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537 |
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538 class WorkingSet: |
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539 """A collection of active distributions on sys.path (or a similar list)""" |
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540 |
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541 def __init__(self, entries=None): |
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542 """Create working set from list of path entries (default=sys.path)""" |
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543 self.entries = [] |
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544 self.entry_keys = {} |
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545 self.by_key = {} |
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546 self.callbacks = [] |
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547 |
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548 if entries is None: |
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549 entries = sys.path |
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550 |
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551 for entry in entries: |
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552 self.add_entry(entry) |
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553 |
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554 @classmethod |
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555 def _build_master(cls): |
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556 """ |
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557 Prepare the master working set. |
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558 """ |
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559 ws = cls() |
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560 try: |
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561 from __main__ import __requires__ |
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562 except ImportError: |
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563 # The main program does not list any requirements |
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564 return ws |
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565 |
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566 # ensure the requirements are met |
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567 try: |
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568 ws.require(__requires__) |
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569 except VersionConflict: |
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570 return cls._build_from_requirements(__requires__) |
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571 |
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572 return ws |
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573 |
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574 @classmethod |
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575 def _build_from_requirements(cls, req_spec): |
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576 """ |
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577 Build a working set from a requirement spec. Rewrites sys.path. |
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578 """ |
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579 # try it without defaults already on sys.path |
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580 # by starting with an empty path |
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581 ws = cls([]) |
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582 reqs = parse_requirements(req_spec) |
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583 dists = ws.resolve(reqs, Environment()) |
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584 for dist in dists: |
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585 ws.add(dist) |
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586 |
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587 # add any missing entries from sys.path |
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588 for entry in sys.path: |
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589 if entry not in ws.entries: |
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590 ws.add_entry(entry) |
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591 |
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592 # then copy back to sys.path |
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593 sys.path[:] = ws.entries |
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594 return ws |
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595 |
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596 def add_entry(self, entry): |
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597 """Add a path item to ``.entries``, finding any distributions on it |
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598 |
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599 ``find_distributions(entry, True)`` is used to find distributions |
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600 corresponding to the path entry, and they are added. `entry` is |
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601 always appended to ``.entries``, even if it is already present. |
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602 (This is because ``sys.path`` can contain the same value more than |
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603 once, and the ``.entries`` of the ``sys.path`` WorkingSet should always |
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604 equal ``sys.path``.) |
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605 """ |
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606 self.entry_keys.setdefault(entry, []) |
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607 self.entries.append(entry) |
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608 for dist in find_distributions(entry, True): |
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609 self.add(dist, entry, False) |
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610 |
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611 def __contains__(self, dist): |
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612 """True if `dist` is the active distribution for its project""" |
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613 return self.by_key.get(dist.key) == dist |
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614 |
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615 def find(self, req): |
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616 """Find a distribution matching requirement `req` |
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617 |
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618 If there is an active distribution for the requested project, this |
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619 returns it as long as it meets the version requirement specified by |
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620 `req`. But, if there is an active distribution for the project and it |
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621 does *not* meet the `req` requirement, ``VersionConflict`` is raised. |
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622 If there is no active distribution for the requested project, ``None`` |
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623 is returned. |
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624 """ |
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625 dist = self.by_key.get(req.key) |
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626 if dist is not None and dist not in req: |
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627 # XXX add more info |
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628 raise VersionConflict(dist, req) |
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629 return dist |
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630 |
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631 def iter_entry_points(self, group, name=None): |
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632 """Yield entry point objects from `group` matching `name` |
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633 |
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634 If `name` is None, yields all entry points in `group` from all |
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635 distributions in the working set, otherwise only ones matching |
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636 both `group` and `name` are yielded (in distribution order). |
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637 """ |
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638 return ( |
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639 entry |
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640 for dist in self |
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641 for entry in dist.get_entry_map(group).values() |
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642 if name is None or name == entry.name |
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643 ) |
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644 |
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645 def run_script(self, requires, script_name): |
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646 """Locate distribution for `requires` and run `script_name` script""" |
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647 ns = sys._getframe(1).f_globals |
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648 name = ns['__name__'] |
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649 ns.clear() |
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650 ns['__name__'] = name |
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651 self.require(requires)[0].run_script(script_name, ns) |
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652 |
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653 def __iter__(self): |
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654 """Yield distributions for non-duplicate projects in the working set |
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655 |
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656 The yield order is the order in which the items' path entries were |
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657 added to the working set. |
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658 """ |
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659 seen = {} |
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660 for item in self.entries: |
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661 if item not in self.entry_keys: |
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662 # workaround a cache issue |
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663 continue |
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664 |
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665 for key in self.entry_keys[item]: |
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666 if key not in seen: |
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667 seen[key] = 1 |
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668 yield self.by_key[key] |
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669 |
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670 def add(self, dist, entry=None, insert=True, replace=False): |
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671 """Add `dist` to working set, associated with `entry` |
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672 |
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673 If `entry` is unspecified, it defaults to the ``.location`` of `dist`. |
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674 On exit from this routine, `entry` is added to the end of the working |
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675 set's ``.entries`` (if it wasn't already present). |
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676 |
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677 `dist` is only added to the working set if it's for a project that |
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678 doesn't already have a distribution in the set, unless `replace=True`. |
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679 If it's added, any callbacks registered with the ``subscribe()`` method |
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680 will be called. |
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681 """ |
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682 if insert: |
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683 dist.insert_on(self.entries, entry, replace=replace) |
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684 |
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685 if entry is None: |
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686 entry = dist.location |
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687 keys = self.entry_keys.setdefault(entry, []) |
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688 keys2 = self.entry_keys.setdefault(dist.location, []) |
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689 if not replace and dist.key in self.by_key: |
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690 # ignore hidden distros |
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691 return |
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692 |
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693 self.by_key[dist.key] = dist |
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694 if dist.key not in keys: |
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695 keys.append(dist.key) |
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696 if dist.key not in keys2: |
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697 keys2.append(dist.key) |
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698 self._added_new(dist) |
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699 |
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700 # FIXME: 'WorkingSet.resolve' is too complex (11) |
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701 def resolve(self, requirements, env=None, installer=None, # noqa: C901 |
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702 replace_conflicting=False, extras=None): |
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703 """List all distributions needed to (recursively) meet `requirements` |
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704 |
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705 `requirements` must be a sequence of ``Requirement`` objects. `env`, |
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706 if supplied, should be an ``Environment`` instance. If |
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707 not supplied, it defaults to all distributions available within any |
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708 entry or distribution in the working set. `installer`, if supplied, |
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709 will be invoked with each requirement that cannot be met by an |
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710 already-installed distribution; it should return a ``Distribution`` or |
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711 ``None``. |
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712 |
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713 Unless `replace_conflicting=True`, raises a VersionConflict exception |
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714 if |
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715 any requirements are found on the path that have the correct name but |
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716 the wrong version. Otherwise, if an `installer` is supplied it will be |
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717 invoked to obtain the correct version of the requirement and activate |
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718 it. |
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719 |
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720 `extras` is a list of the extras to be used with these requirements. |
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721 This is important because extra requirements may look like `my_req; |
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722 extra = "my_extra"`, which would otherwise be interpreted as a purely |
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723 optional requirement. Instead, we want to be able to assert that these |
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724 requirements are truly required. |
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725 """ |
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726 |
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727 # set up the stack |
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728 requirements = list(requirements)[::-1] |
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729 # set of processed requirements |
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730 processed = {} |
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731 # key -> dist |
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732 best = {} |
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733 to_activate = [] |
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734 |
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735 req_extras = _ReqExtras() |
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736 |
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737 # Mapping of requirement to set of distributions that required it; |
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738 # useful for reporting info about conflicts. |
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739 required_by = collections.defaultdict(set) |
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740 |
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741 while requirements: |
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742 # process dependencies breadth-first |
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743 req = requirements.pop(0) |
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744 if req in processed: |
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745 # Ignore cyclic or redundant dependencies |
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746 continue |
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747 |
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748 if not req_extras.markers_pass(req, extras): |
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749 continue |
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750 |
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751 dist = best.get(req.key) |
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752 if dist is None: |
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753 # Find the best distribution and add it to the map |
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754 dist = self.by_key.get(req.key) |
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755 if dist is None or (dist not in req and replace_conflicting): |
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756 ws = self |
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757 if env is None: |
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758 if dist is None: |
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759 env = Environment(self.entries) |
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760 else: |
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761 # Use an empty environment and workingset to avoid |
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762 # any further conflicts with the conflicting |
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763 # distribution |
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764 env = Environment([]) |
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765 ws = WorkingSet([]) |
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766 dist = best[req.key] = env.best_match( |
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767 req, ws, installer, |
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768 replace_conflicting=replace_conflicting |
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769 ) |
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770 if dist is None: |
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771 requirers = required_by.get(req, None) |
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772 raise DistributionNotFound(req, requirers) |
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773 to_activate.append(dist) |
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774 if dist not in req: |
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775 # Oops, the "best" so far conflicts with a dependency |
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776 dependent_req = required_by[req] |
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777 raise VersionConflict(dist, req).with_context(dependent_req) |
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778 |
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779 # push the new requirements onto the stack |
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780 new_requirements = dist.requires(req.extras)[::-1] |
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781 requirements.extend(new_requirements) |
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782 |
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783 # Register the new requirements needed by req |
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784 for new_requirement in new_requirements: |
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785 required_by[new_requirement].add(req.project_name) |
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786 req_extras[new_requirement] = req.extras |
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787 |
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788 processed[req] = True |
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789 |
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790 # return list of distros to activate |
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791 return to_activate |
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792 |
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793 def find_plugins( |
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794 self, plugin_env, full_env=None, installer=None, fallback=True): |
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795 """Find all activatable distributions in `plugin_env` |
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796 |
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797 Example usage:: |
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798 |
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799 distributions, errors = working_set.find_plugins( |
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800 Environment(plugin_dirlist) |
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801 ) |
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802 # add plugins+libs to sys.path |
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|
803 map(working_set.add, distributions) |
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|
804 # display errors |
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|
805 print('Could not load', errors) |
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|
806 |
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|
807 The `plugin_env` should be an ``Environment`` instance that contains |
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|
808 only distributions that are in the project's "plugin directory" or |
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|
809 directories. The `full_env`, if supplied, should be an ``Environment`` |
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|
810 contains all currently-available distributions. If `full_env` is not |
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|
811 supplied, one is created automatically from the ``WorkingSet`` this |
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|
812 method is called on, which will typically mean that every directory on |
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|
813 ``sys.path`` will be scanned for distributions. |
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|
814 |
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|
815 `installer` is a standard installer callback as used by the |
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|
816 ``resolve()`` method. The `fallback` flag indicates whether we should |
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817 attempt to resolve older versions of a plugin if the newest version |
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|
818 cannot be resolved. |
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819 |
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820 This method returns a 2-tuple: (`distributions`, `error_info`), where |
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821 `distributions` is a list of the distributions found in `plugin_env` |
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822 that were loadable, along with any other distributions that are needed |
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823 to resolve their dependencies. `error_info` is a dictionary mapping |
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824 unloadable plugin distributions to an exception instance describing the |
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|
825 error that occurred. Usually this will be a ``DistributionNotFound`` or |
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826 ``VersionConflict`` instance. |
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827 """ |
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828 |
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829 plugin_projects = list(plugin_env) |
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830 # scan project names in alphabetic order |
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831 plugin_projects.sort() |
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832 |
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833 error_info = {} |
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834 distributions = {} |
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835 |
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|
836 if full_env is None: |
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837 env = Environment(self.entries) |
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838 env += plugin_env |
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839 else: |
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840 env = full_env + plugin_env |
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841 |
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842 shadow_set = self.__class__([]) |
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843 # put all our entries in shadow_set |
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844 list(map(shadow_set.add, self)) |
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845 |
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846 for project_name in plugin_projects: |
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847 |
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848 for dist in plugin_env[project_name]: |
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849 |
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850 req = [dist.as_requirement()] |
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851 |
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852 try: |
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853 resolvees = shadow_set.resolve(req, env, installer) |
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854 |
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855 except ResolutionError as v: |
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856 # save error info |
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857 error_info[dist] = v |
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858 if fallback: |
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859 # try the next older version of project |
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860 continue |
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861 else: |
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862 # give up on this project, keep going |
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863 break |
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864 |
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865 else: |
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866 list(map(shadow_set.add, resolvees)) |
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867 distributions.update(dict.fromkeys(resolvees)) |
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868 |
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869 # success, no need to try any more versions of this project |
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870 break |
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|
871 |
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872 distributions = list(distributions) |
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873 distributions.sort() |
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|
874 |
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875 return distributions, error_info |
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876 |
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877 def require(self, *requirements): |
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878 """Ensure that distributions matching `requirements` are activated |
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|
879 |
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880 `requirements` must be a string or a (possibly-nested) sequence |
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881 thereof, specifying the distributions and versions required. The |
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882 return value is a sequence of the distributions that needed to be |
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883 activated to fulfill the requirements; all relevant distributions are |
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884 included, even if they were already activated in this working set. |
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885 """ |
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886 needed = self.resolve(parse_requirements(requirements)) |
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887 |
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888 for dist in needed: |
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889 self.add(dist) |
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890 |
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891 return needed |
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892 |
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893 def subscribe(self, callback, existing=True): |
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894 """Invoke `callback` for all distributions |
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895 |
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896 If `existing=True` (default), |
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897 call on all existing ones, as well. |
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898 """ |
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899 if callback in self.callbacks: |
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900 return |
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901 self.callbacks.append(callback) |
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902 if not existing: |
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903 return |
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904 for dist in self: |
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905 callback(dist) |
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906 |
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907 def _added_new(self, dist): |
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908 for callback in self.callbacks: |
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909 callback(dist) |
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910 |
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911 def __getstate__(self): |
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912 return ( |
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913 self.entries[:], self.entry_keys.copy(), self.by_key.copy(), |
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914 self.callbacks[:] |
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915 ) |
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916 |
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917 def __setstate__(self, e_k_b_c): |
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918 entries, keys, by_key, callbacks = e_k_b_c |
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919 self.entries = entries[:] |
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920 self.entry_keys = keys.copy() |
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921 self.by_key = by_key.copy() |
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922 self.callbacks = callbacks[:] |
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923 |
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924 |
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925 class _ReqExtras(dict): |
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926 """ |
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927 Map each requirement to the extras that demanded it. |
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928 """ |
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929 |
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930 def markers_pass(self, req, extras=None): |
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931 """ |
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932 Evaluate markers for req against each extra that |
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933 demanded it. |
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934 |
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935 Return False if the req has a marker and fails |
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936 evaluation. Otherwise, return True. |
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937 """ |
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938 extra_evals = ( |
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939 req.marker.evaluate({'extra': extra}) |
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940 for extra in self.get(req, ()) + (extras or (None,)) |
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941 ) |
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942 return not req.marker or any(extra_evals) |
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943 |
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944 |
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945 class Environment: |
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946 """Searchable snapshot of distributions on a search path""" |
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947 |
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948 def __init__( |
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949 self, search_path=None, platform=get_supported_platform(), |
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950 python=PY_MAJOR): |
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951 """Snapshot distributions available on a search path |
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952 |
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953 Any distributions found on `search_path` are added to the environment. |
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954 `search_path` should be a sequence of ``sys.path`` items. If not |
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955 supplied, ``sys.path`` is used. |
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956 |
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957 `platform` is an optional string specifying the name of the platform |
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958 that platform-specific distributions must be compatible with. If |
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959 unspecified, it defaults to the current platform. `python` is an |
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960 optional string naming the desired version of Python (e.g. ``'3.6'``); |
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961 it defaults to the current version. |
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962 |
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963 You may explicitly set `platform` (and/or `python`) to ``None`` if you |
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964 wish to map *all* distributions, not just those compatible with the |
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965 running platform or Python version. |
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966 """ |
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967 self._distmap = {} |
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968 self.platform = platform |
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969 self.python = python |
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970 self.scan(search_path) |
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971 |
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972 def can_add(self, dist): |
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973 """Is distribution `dist` acceptable for this environment? |
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974 |
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975 The distribution must match the platform and python version |
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976 requirements specified when this environment was created, or False |
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977 is returned. |
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978 """ |
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979 py_compat = ( |
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980 self.python is None |
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981 or dist.py_version is None |
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982 or dist.py_version == self.python |
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983 ) |
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984 return py_compat and compatible_platforms(dist.platform, self.platform) |
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985 |
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986 def remove(self, dist): |
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987 """Remove `dist` from the environment""" |
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988 self._distmap[dist.key].remove(dist) |
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989 |
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990 def scan(self, search_path=None): |
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991 """Scan `search_path` for distributions usable in this environment |
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992 |
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993 Any distributions found are added to the environment. |
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994 `search_path` should be a sequence of ``sys.path`` items. If not |
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995 supplied, ``sys.path`` is used. Only distributions conforming to |
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996 the platform/python version defined at initialization are added. |
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997 """ |
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998 if search_path is None: |
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999 search_path = sys.path |
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1000 |
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1001 for item in search_path: |
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1002 for dist in find_distributions(item): |
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1003 self.add(dist) |
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1004 |
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1005 def __getitem__(self, project_name): |
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1006 """Return a newest-to-oldest list of distributions for `project_name` |
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1007 |
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1008 Uses case-insensitive `project_name` comparison, assuming all the |
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1009 project's distributions use their project's name converted to all |
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1010 lowercase as their key. |
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1011 |
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1012 """ |
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1013 distribution_key = project_name.lower() |
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1014 return self._distmap.get(distribution_key, []) |
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1015 |
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1016 def add(self, dist): |
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1017 """Add `dist` if we ``can_add()`` it and it has not already been added |
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1018 """ |
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1019 if self.can_add(dist) and dist.has_version(): |
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1020 dists = self._distmap.setdefault(dist.key, []) |
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1021 if dist not in dists: |
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1022 dists.append(dist) |
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1023 dists.sort(key=operator.attrgetter('hashcmp'), reverse=True) |
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1024 |
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1025 def best_match( |
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1026 self, req, working_set, installer=None, replace_conflicting=False): |
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1027 """Find distribution best matching `req` and usable on `working_set` |
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1028 |
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1029 This calls the ``find(req)`` method of the `working_set` to see if a |
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1030 suitable distribution is already active. (This may raise |
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1031 ``VersionConflict`` if an unsuitable version of the project is already |
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1032 active in the specified `working_set`.) If a suitable distribution |
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1033 isn't active, this method returns the newest distribution in the |
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1034 environment that meets the ``Requirement`` in `req`. If no suitable |
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1035 distribution is found, and `installer` is supplied, then the result of |
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1036 calling the environment's ``obtain(req, installer)`` method will be |
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1037 returned. |
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1038 """ |
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1039 try: |
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1040 dist = working_set.find(req) |
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1041 except VersionConflict: |
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1042 if not replace_conflicting: |
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1043 raise |
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1044 dist = None |
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1045 if dist is not None: |
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1046 return dist |
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1047 for dist in self[req.key]: |
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1048 if dist in req: |
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1049 return dist |
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1050 # try to download/install |
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1051 return self.obtain(req, installer) |
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1052 |
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1053 def obtain(self, requirement, installer=None): |
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1054 """Obtain a distribution matching `requirement` (e.g. via download) |
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1055 |
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1056 Obtain a distro that matches requirement (e.g. via download). In the |
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1057 base ``Environment`` class, this routine just returns |
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1058 ``installer(requirement)``, unless `installer` is None, in which case |
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1059 None is returned instead. This method is a hook that allows subclasses |
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1060 to attempt other ways of obtaining a distribution before falling back |
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1061 to the `installer` argument.""" |
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1062 if installer is not None: |
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1063 return installer(requirement) |
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1064 |
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1065 def __iter__(self): |
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1066 """Yield the unique project names of the available distributions""" |
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1067 for key in self._distmap.keys(): |
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1068 if self[key]: |
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1069 yield key |
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1070 |
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1071 def __iadd__(self, other): |
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1072 """In-place addition of a distribution or environment""" |
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1073 if isinstance(other, Distribution): |
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1074 self.add(other) |
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1075 elif isinstance(other, Environment): |
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1076 for project in other: |
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1077 for dist in other[project]: |
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1078 self.add(dist) |
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1079 else: |
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1080 raise TypeError("Can't add %r to environment" % (other,)) |
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1081 return self |
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1082 |
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1083 def __add__(self, other): |
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1084 """Add an environment or distribution to an environment""" |
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1085 new = self.__class__([], platform=None, python=None) |
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1086 for env in self, other: |
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1087 new += env |
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1088 return new |
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1089 |
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1090 |
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1091 # XXX backward compatibility |
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1092 AvailableDistributions = Environment |
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1093 |
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1094 |
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1095 class ExtractionError(RuntimeError): |
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1096 """An error occurred extracting a resource |
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1097 |
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1098 The following attributes are available from instances of this exception: |
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1099 |
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1100 manager |
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1101 The resource manager that raised this exception |
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1102 |
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1103 cache_path |
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1104 The base directory for resource extraction |
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1105 |
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1106 original_error |
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1107 The exception instance that caused extraction to fail |
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1108 """ |
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1109 |
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1110 |
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1111 class ResourceManager: |
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1112 """Manage resource extraction and packages""" |
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1113 extraction_path = None |
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1114 |
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1115 def __init__(self): |
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1116 self.cached_files = {} |
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1117 |
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1118 def resource_exists(self, package_or_requirement, resource_name): |
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1119 """Does the named resource exist?""" |
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1120 return get_provider(package_or_requirement).has_resource(resource_name) |
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1121 |
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1122 def resource_isdir(self, package_or_requirement, resource_name): |
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1123 """Is the named resource an existing directory?""" |
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1124 return get_provider(package_or_requirement).resource_isdir( |
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1125 resource_name |
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1126 ) |
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1127 |
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1128 def resource_filename(self, package_or_requirement, resource_name): |
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1129 """Return a true filesystem path for specified resource""" |
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1130 return get_provider(package_or_requirement).get_resource_filename( |
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1131 self, resource_name |
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1132 ) |
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1133 |
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1134 def resource_stream(self, package_or_requirement, resource_name): |
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1135 """Return a readable file-like object for specified resource""" |
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1136 return get_provider(package_or_requirement).get_resource_stream( |
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1137 self, resource_name |
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1138 ) |
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1139 |
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1140 def resource_string(self, package_or_requirement, resource_name): |
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1141 """Return specified resource as a string""" |
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1142 return get_provider(package_or_requirement).get_resource_string( |
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1143 self, resource_name |
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1144 ) |
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1145 |
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1146 def resource_listdir(self, package_or_requirement, resource_name): |
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1147 """List the contents of the named resource directory""" |
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1148 return get_provider(package_or_requirement).resource_listdir( |
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1149 resource_name |
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1150 ) |
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1151 |
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1152 def extraction_error(self): |
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1153 """Give an error message for problems extracting file(s)""" |
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1154 |
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1155 old_exc = sys.exc_info()[1] |
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1156 cache_path = self.extraction_path or get_default_cache() |
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1157 |
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1158 tmpl = textwrap.dedent(""" |
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1159 Can't extract file(s) to egg cache |
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1160 |
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1161 The following error occurred while trying to extract file(s) |
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1162 to the Python egg cache: |
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1163 |
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1164 {old_exc} |
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1165 |
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1166 The Python egg cache directory is currently set to: |
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1167 |
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1168 {cache_path} |
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1169 |
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1170 Perhaps your account does not have write access to this directory? |
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1171 You can change the cache directory by setting the PYTHON_EGG_CACHE |
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1172 environment variable to point to an accessible directory. |
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1173 """).lstrip() |
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1174 err = ExtractionError(tmpl.format(**locals())) |
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1175 err.manager = self |
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1176 err.cache_path = cache_path |
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1177 err.original_error = old_exc |
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1178 raise err |
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1179 |
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1180 def get_cache_path(self, archive_name, names=()): |
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1181 """Return absolute location in cache for `archive_name` and `names` |
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1182 |
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1183 The parent directory of the resulting path will be created if it does |
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1184 not already exist. `archive_name` should be the base filename of the |
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1185 enclosing egg (which may not be the name of the enclosing zipfile!), |
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1186 including its ".egg" extension. `names`, if provided, should be a |
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1187 sequence of path name parts "under" the egg's extraction location. |
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1188 |
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1189 This method should only be called by resource providers that need to |
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1190 obtain an extraction location, and only for names they intend to |
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1191 extract, as it tracks the generated names for possible cleanup later. |
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1192 """ |
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1193 extract_path = self.extraction_path or get_default_cache() |
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1194 target_path = os.path.join(extract_path, archive_name + '-tmp', *names) |
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1195 try: |
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1196 _bypass_ensure_directory(target_path) |
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1197 except Exception: |
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1198 self.extraction_error() |
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1199 |
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1200 self._warn_unsafe_extraction_path(extract_path) |
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1201 |
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1202 self.cached_files[target_path] = 1 |
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1203 return target_path |
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1204 |
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1205 @staticmethod |
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1206 def _warn_unsafe_extraction_path(path): |
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1207 """ |
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1208 If the default extraction path is overridden and set to an insecure |
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1209 location, such as /tmp, it opens up an opportunity for an attacker to |
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1210 replace an extracted file with an unauthorized payload. Warn the user |
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1211 if a known insecure location is used. |
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1212 |
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1213 See Distribute #375 for more details. |
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1214 """ |
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1215 if os.name == 'nt' and not path.startswith(os.environ['windir']): |
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1216 # On Windows, permissions are generally restrictive by default |
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1217 # and temp directories are not writable by other users, so |
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1218 # bypass the warning. |
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1219 return |
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1220 mode = os.stat(path).st_mode |
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1221 if mode & stat.S_IWOTH or mode & stat.S_IWGRP: |
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1222 msg = ( |
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1223 "Extraction path is writable by group/others " |
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1224 "and vulnerable to attack when " |
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1225 "used with get_resource_filename ({path}). " |
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1226 "Consider a more secure " |
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1227 "location (set with .set_extraction_path or the " |
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1228 "PYTHON_EGG_CACHE environment variable)." |
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1229 ).format(**locals()) |
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1230 warnings.warn(msg, UserWarning) |
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1231 |
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1232 def postprocess(self, tempname, filename): |
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1233 """Perform any platform-specific postprocessing of `tempname` |
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1234 |
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1235 This is where Mac header rewrites should be done; other platforms don't |
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1236 have anything special they should do. |
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1237 |
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1238 Resource providers should call this method ONLY after successfully |
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1239 extracting a compressed resource. They must NOT call it on resources |
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1240 that are already in the filesystem. |
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1241 |
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1242 `tempname` is the current (temporary) name of the file, and `filename` |
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1243 is the name it will be renamed to by the caller after this routine |
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1244 returns. |
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1245 """ |
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1246 |
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1247 if os.name == 'posix': |
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1248 # Make the resource executable |
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1249 mode = ((os.stat(tempname).st_mode) | 0o555) & 0o7777 |
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1250 os.chmod(tempname, mode) |
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1251 |
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1252 def set_extraction_path(self, path): |
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1253 """Set the base path where resources will be extracted to, if needed. |
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1254 |
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1255 If you do not call this routine before any extractions take place, the |
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1256 path defaults to the return value of ``get_default_cache()``. (Which |
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1257 is based on the ``PYTHON_EGG_CACHE`` environment variable, with various |
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1258 platform-specific fallbacks. See that routine's documentation for more |
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|
1259 details.) |
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1260 |
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1261 Resources are extracted to subdirectories of this path based upon |
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1262 information given by the ``IResourceProvider``. You may set this to a |
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1263 temporary directory, but then you must call ``cleanup_resources()`` to |
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1264 delete the extracted files when done. There is no guarantee that |
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1265 ``cleanup_resources()`` will be able to remove all extracted files. |
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1266 |
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1267 (Note: you may not change the extraction path for a given resource |
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1268 manager once resources have been extracted, unless you first call |
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1269 ``cleanup_resources()``.) |
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1270 """ |
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1271 if self.cached_files: |
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1272 raise ValueError( |
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1273 "Can't change extraction path, files already extracted" |
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1274 ) |
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1275 |
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1276 self.extraction_path = path |
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1277 |
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1278 def cleanup_resources(self, force=False): |
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1279 """ |
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1280 Delete all extracted resource files and directories, returning a list |
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1281 of the file and directory names that could not be successfully removed. |
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1282 This function does not have any concurrency protection, so it should |
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1283 generally only be called when the extraction path is a temporary |
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1284 directory exclusive to a single process. This method is not |
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1285 automatically called; you must call it explicitly or register it as an |
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1286 ``atexit`` function if you wish to ensure cleanup of a temporary |
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1287 directory used for extractions. |
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1288 """ |
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1289 # XXX |
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1290 |
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1291 |
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1292 def get_default_cache(): |
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1293 """ |
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1294 Return the ``PYTHON_EGG_CACHE`` environment variable |
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1295 or a platform-relevant user cache dir for an app |
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1296 named "Python-Eggs". |
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1297 """ |
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1298 return ( |
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1299 os.environ.get('PYTHON_EGG_CACHE') |
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1300 or appdirs.user_cache_dir(appname='Python-Eggs') |
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1301 ) |
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1302 |
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1303 |
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1304 def safe_name(name): |
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1305 """Convert an arbitrary string to a standard distribution name |
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1306 |
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1307 Any runs of non-alphanumeric/. characters are replaced with a single '-'. |
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1308 """ |
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1309 return re.sub('[^A-Za-z0-9.]+', '-', name) |
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1310 |
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1311 |
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1312 def safe_version(version): |
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1313 """ |
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1314 Convert an arbitrary string to a standard version string |
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1315 """ |
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1316 try: |
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1317 # normalize the version |
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1318 return str(packaging.version.Version(version)) |
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1319 except packaging.version.InvalidVersion: |
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1320 version = version.replace(' ', '.') |
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1321 return re.sub('[^A-Za-z0-9.]+', '-', version) |
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1322 |
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1323 |
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1324 def safe_extra(extra): |
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1325 """Convert an arbitrary string to a standard 'extra' name |
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1326 |
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1327 Any runs of non-alphanumeric characters are replaced with a single '_', |
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1328 and the result is always lowercased. |
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1329 """ |
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1330 return re.sub('[^A-Za-z0-9.-]+', '_', extra).lower() |
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1331 |
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1332 |
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1333 def to_filename(name): |
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1334 """Convert a project or version name to its filename-escaped form |
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1335 |
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1336 Any '-' characters are currently replaced with '_'. |
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1337 """ |
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1338 return name.replace('-', '_') |
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1339 |
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1340 |
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1341 def invalid_marker(text): |
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1342 """ |
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1343 Validate text as a PEP 508 environment marker; return an exception |
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1344 if invalid or False otherwise. |
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1345 """ |
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1346 try: |
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1347 evaluate_marker(text) |
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1348 except SyntaxError as e: |
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1349 e.filename = None |
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1350 e.lineno = None |
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1351 return e |
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1352 return False |
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1353 |
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1354 |
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1355 def evaluate_marker(text, extra=None): |
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1356 """ |
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1357 Evaluate a PEP 508 environment marker. |
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1358 Return a boolean indicating the marker result in this environment. |
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1359 Raise SyntaxError if marker is invalid. |
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1360 |
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1361 This implementation uses the 'pyparsing' module. |
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1362 """ |
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1363 try: |
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1364 marker = packaging.markers.Marker(text) |
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1365 return marker.evaluate() |
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1366 except packaging.markers.InvalidMarker as e: |
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1367 raise SyntaxError(e) from e |
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1368 |
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|
1369 |
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|
1370 class NullProvider: |
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1371 """Try to implement resources and metadata for arbitrary PEP 302 loaders""" |
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1372 |
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1373 egg_name = None |
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1374 egg_info = None |
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1375 loader = None |
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1376 |
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|
1377 def __init__(self, module): |
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1378 self.loader = getattr(module, '__loader__', None) |
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1379 self.module_path = os.path.dirname(getattr(module, '__file__', '')) |
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1380 |
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1381 def get_resource_filename(self, manager, resource_name): |
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1382 return self._fn(self.module_path, resource_name) |
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1383 |
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|
1384 def get_resource_stream(self, manager, resource_name): |
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1385 return io.BytesIO(self.get_resource_string(manager, resource_name)) |
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1386 |
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|
1387 def get_resource_string(self, manager, resource_name): |
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1388 return self._get(self._fn(self.module_path, resource_name)) |
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1389 |
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1390 def has_resource(self, resource_name): |
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1391 return self._has(self._fn(self.module_path, resource_name)) |
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1392 |
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1393 def _get_metadata_path(self, name): |
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1394 return self._fn(self.egg_info, name) |
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1395 |
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1396 def has_metadata(self, name): |
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1397 if not self.egg_info: |
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1398 return self.egg_info |
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1399 |
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1400 path = self._get_metadata_path(name) |
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1401 return self._has(path) |
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1402 |
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1403 def get_metadata(self, name): |
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1404 if not self.egg_info: |
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1405 return "" |
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1406 path = self._get_metadata_path(name) |
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|
1407 value = self._get(path) |
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|
1408 try: |
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|
1409 return value.decode('utf-8') |
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1410 except UnicodeDecodeError as exc: |
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|
1411 # Include the path in the error message to simplify |
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1412 # troubleshooting, and without changing the exception type. |
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1413 exc.reason += ' in {} file at path: {}'.format(name, path) |
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|
1414 raise |
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|
1415 |
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|
1416 def get_metadata_lines(self, name): |
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1417 return yield_lines(self.get_metadata(name)) |
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|
1418 |
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|
1419 def resource_isdir(self, resource_name): |
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1420 return self._isdir(self._fn(self.module_path, resource_name)) |
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|
1421 |
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|
1422 def metadata_isdir(self, name): |
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1423 return self.egg_info and self._isdir(self._fn(self.egg_info, name)) |
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|
1424 |
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|
1425 def resource_listdir(self, resource_name): |
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1426 return self._listdir(self._fn(self.module_path, resource_name)) |
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|
1427 |
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|
1428 def metadata_listdir(self, name): |
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1429 if self.egg_info: |
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|
1430 return self._listdir(self._fn(self.egg_info, name)) |
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|
1431 return [] |
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|
1432 |
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|
1433 def run_script(self, script_name, namespace): |
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|
1434 script = 'scripts/' + script_name |
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|
1435 if not self.has_metadata(script): |
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|
1436 raise ResolutionError( |
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|
1437 "Script {script!r} not found in metadata at {self.egg_info!r}" |
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|
1438 .format(**locals()), |
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|
1439 ) |
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|
1440 script_text = self.get_metadata(script).replace('\r\n', '\n') |
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|
1441 script_text = script_text.replace('\r', '\n') |
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|
1442 script_filename = self._fn(self.egg_info, script) |
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|
1443 namespace['__file__'] = script_filename |
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|
1444 if os.path.exists(script_filename): |
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|
1445 with open(script_filename) as fid: |
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|
1446 source = fid.read() |
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|
1447 code = compile(source, script_filename, 'exec') |
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|
1448 exec(code, namespace, namespace) |
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|
1449 else: |
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|
1450 from linecache import cache |
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|
1451 cache[script_filename] = ( |
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|
1452 len(script_text), 0, script_text.split('\n'), script_filename |
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|
1453 ) |
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|
1454 script_code = compile(script_text, script_filename, 'exec') |
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|
1455 exec(script_code, namespace, namespace) |
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|
1456 |
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|
1457 def _has(self, path): |
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|
1458 raise NotImplementedError( |
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|
1459 "Can't perform this operation for unregistered loader type" |
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1460 ) |
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|
1461 |
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|
1462 def _isdir(self, path): |
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|
1463 raise NotImplementedError( |
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|
1464 "Can't perform this operation for unregistered loader type" |
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1465 ) |
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|
1466 |
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|
1467 def _listdir(self, path): |
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|
1468 raise NotImplementedError( |
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|
1469 "Can't perform this operation for unregistered loader type" |
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1470 ) |
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1471 |
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|
1472 def _fn(self, base, resource_name): |
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|
1473 self._validate_resource_path(resource_name) |
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|
1474 if resource_name: |
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|
1475 return os.path.join(base, *resource_name.split('/')) |
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1476 return base |
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|
1477 |
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|
1478 @staticmethod |
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|
1479 def _validate_resource_path(path): |
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|
1480 """ |
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|
1481 Validate the resource paths according to the docs. |
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|
1482 https://setuptools.readthedocs.io/en/latest/pkg_resources.html#basic-resource-access |
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|
1483 |
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|
1484 >>> warned = getfixture('recwarn') |
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|
1485 >>> warnings.simplefilter('always') |
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|
1486 >>> vrp = NullProvider._validate_resource_path |
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|
1487 >>> vrp('foo/bar.txt') |
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1488 >>> bool(warned) |
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|
1489 False |
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|
1490 >>> vrp('../foo/bar.txt') |
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|
1491 >>> bool(warned) |
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1492 True |
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1493 >>> warned.clear() |
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|
1494 >>> vrp('/foo/bar.txt') |
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|
1495 >>> bool(warned) |
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|
1496 True |
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|
1497 >>> vrp('foo/../../bar.txt') |
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|
1498 >>> bool(warned) |
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1499 True |
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|
1500 >>> warned.clear() |
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|
1501 >>> vrp('foo/f../bar.txt') |
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|
1502 >>> bool(warned) |
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|
1503 False |
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|
1504 |
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|
1505 Windows path separators are straight-up disallowed. |
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1506 >>> vrp(r'\\foo/bar.txt') |
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|
1507 Traceback (most recent call last): |
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1508 ... |
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1509 ValueError: Use of .. or absolute path in a resource path \ |
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|
1510 is not allowed. |
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|
1511 |
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|
1512 >>> vrp(r'C:\\foo/bar.txt') |
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|
1513 Traceback (most recent call last): |
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1514 ... |
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1515 ValueError: Use of .. or absolute path in a resource path \ |
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|
1516 is not allowed. |
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1517 |
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1518 Blank values are allowed |
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1519 |
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1520 >>> vrp('') |
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1521 >>> bool(warned) |
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|
1522 False |
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|
1523 |
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|
1524 Non-string values are not. |
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|
1525 |
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1526 >>> vrp(None) |
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|
1527 Traceback (most recent call last): |
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|
1528 ... |
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|
1529 AttributeError: ... |
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|
1530 """ |
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|
1531 invalid = ( |
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|
1532 os.path.pardir in path.split(posixpath.sep) or |
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|
1533 posixpath.isabs(path) or |
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|
1534 ntpath.isabs(path) |
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|
1535 ) |
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|
1536 if not invalid: |
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|
1537 return |
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|
1538 |
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|
1539 msg = "Use of .. or absolute path in a resource path is not allowed." |
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|
1540 |
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|
1541 # Aggressively disallow Windows absolute paths |
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|
1542 if ntpath.isabs(path) and not posixpath.isabs(path): |
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|
1543 raise ValueError(msg) |
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|
1544 |
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parents:
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|
1545 # for compatibility, warn; in future |
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|
1546 # raise ValueError(msg) |
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|
1547 warnings.warn( |
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|
1548 msg[:-1] + " and will raise exceptions in a future release.", |
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|
1549 DeprecationWarning, |
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shellac
parents:
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|
1550 stacklevel=4, |
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|
1551 ) |
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|
1552 |
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|
1553 def _get(self, path): |
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parents:
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|
1554 if hasattr(self.loader, 'get_data'): |
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|
1555 return self.loader.get_data(path) |
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parents:
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|
1556 raise NotImplementedError( |
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shellac
parents:
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|
1557 "Can't perform this operation for loaders without 'get_data()'" |
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|
1558 ) |
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|
1559 |
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|
1560 |
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shellac
parents:
diff
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|
1561 register_loader_type(object, NullProvider) |
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|
1562 |
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|
1563 |
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parents:
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|
1564 def _parents(path): |
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parents:
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|
1565 """ |
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parents:
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|
1566 yield all parents of path including path |
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parents:
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|
1567 """ |
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parents:
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|
1568 last = None |
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|
1569 while path != last: |
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shellac
parents:
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|
1570 yield path |
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parents:
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|
1571 last = path |
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parents:
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|
1572 path, _ = os.path.split(path) |
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parents:
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|
1573 |
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|
1574 |
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parents:
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|
1575 class EggProvider(NullProvider): |
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shellac
parents:
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|
1576 """Provider based on a virtual filesystem""" |
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|
1577 |
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parents:
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|
1578 def __init__(self, module): |
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parents:
diff
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|
1579 NullProvider.__init__(self, module) |
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parents:
diff
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|
1580 self._setup_prefix() |
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parents:
diff
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|
1581 |
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parents:
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|
1582 def _setup_prefix(self): |
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parents:
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|
1583 # Assume that metadata may be nested inside a "basket" |
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parents:
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|
1584 # of multiple eggs and use module_path instead of .archive. |
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parents:
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|
1585 eggs = filter(_is_egg_path, _parents(self.module_path)) |
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parents:
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|
1586 egg = next(eggs, None) |
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shellac
parents:
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|
1587 egg and self._set_egg(egg) |
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parents:
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|
1588 |
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parents:
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|
1589 def _set_egg(self, path): |
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shellac
parents:
diff
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|
1590 self.egg_name = os.path.basename(path) |
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shellac
parents:
diff
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|
1591 self.egg_info = os.path.join(path, 'EGG-INFO') |
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parents:
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|
1592 self.egg_root = path |
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parents:
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|
1593 |
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parents:
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|
1594 |
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parents:
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1595 class DefaultProvider(EggProvider): |
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1596 """Provides access to package resources in the filesystem""" |
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1597 |
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1598 def _has(self, path): |
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1599 return os.path.exists(path) |
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1600 |
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1601 def _isdir(self, path): |
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1602 return os.path.isdir(path) |
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1603 |
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1604 def _listdir(self, path): |
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1605 return os.listdir(path) |
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1606 |
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1607 def get_resource_stream(self, manager, resource_name): |
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1608 return open(self._fn(self.module_path, resource_name), 'rb') |
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1609 |
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1610 def _get(self, path): |
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1611 with open(path, 'rb') as stream: |
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1612 return stream.read() |
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1613 |
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1614 @classmethod |
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1615 def _register(cls): |
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1616 loader_names = 'SourceFileLoader', 'SourcelessFileLoader', |
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1617 for name in loader_names: |
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1618 loader_cls = getattr(importlib_machinery, name, type(None)) |
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1619 register_loader_type(loader_cls, cls) |
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1620 |
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1621 |
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1622 DefaultProvider._register() |
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1623 |
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1624 |
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1625 class EmptyProvider(NullProvider): |
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1626 """Provider that returns nothing for all requests""" |
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1627 |
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1628 module_path = None |
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1629 |
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1630 _isdir = _has = lambda self, path: False |
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1631 |
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1632 def _get(self, path): |
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1633 return '' |
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1634 |
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1635 def _listdir(self, path): |
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1636 return [] |
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1637 |
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1638 def __init__(self): |
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1639 pass |
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1640 |
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1641 |
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1642 empty_provider = EmptyProvider() |
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1643 |
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1644 |
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1645 class ZipManifests(dict): |
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1646 """ |
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1647 zip manifest builder |
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1648 """ |
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1649 |
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1650 @classmethod |
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1651 def build(cls, path): |
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1652 """ |
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1653 Build a dictionary similar to the zipimport directory |
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1654 caches, except instead of tuples, store ZipInfo objects. |
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1655 |
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1656 Use a platform-specific path separator (os.sep) for the path keys |
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1657 for compatibility with pypy on Windows. |
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1658 """ |
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1659 with zipfile.ZipFile(path) as zfile: |
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1660 items = ( |
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1661 ( |
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1662 name.replace('/', os.sep), |
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1663 zfile.getinfo(name), |
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1664 ) |
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1665 for name in zfile.namelist() |
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1666 ) |
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1667 return dict(items) |
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1668 |
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1669 load = build |
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1670 |
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1671 |
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1672 class MemoizedZipManifests(ZipManifests): |
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1673 """ |
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1674 Memoized zipfile manifests. |
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1675 """ |
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1676 manifest_mod = collections.namedtuple('manifest_mod', 'manifest mtime') |
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1677 |
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1678 def load(self, path): |
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1679 """ |
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1680 Load a manifest at path or return a suitable manifest already loaded. |
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1681 """ |
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1682 path = os.path.normpath(path) |
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1683 mtime = os.stat(path).st_mtime |
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1684 |
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1685 if path not in self or self[path].mtime != mtime: |
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1686 manifest = self.build(path) |
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1687 self[path] = self.manifest_mod(manifest, mtime) |
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1688 |
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1689 return self[path].manifest |
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1690 |
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1691 |
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1692 class ZipProvider(EggProvider): |
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1693 """Resource support for zips and eggs""" |
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1694 |
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1695 eagers = None |
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1696 _zip_manifests = MemoizedZipManifests() |
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1697 |
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1698 def __init__(self, module): |
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1699 EggProvider.__init__(self, module) |
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1700 self.zip_pre = self.loader.archive + os.sep |
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1701 |
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1702 def _zipinfo_name(self, fspath): |
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1703 # Convert a virtual filename (full path to file) into a zipfile subpath |
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1704 # usable with the zipimport directory cache for our target archive |
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1705 fspath = fspath.rstrip(os.sep) |
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1706 if fspath == self.loader.archive: |
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1707 return '' |
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1708 if fspath.startswith(self.zip_pre): |
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1709 return fspath[len(self.zip_pre):] |
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|
1710 raise AssertionError( |
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parents:
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|
1711 "%s is not a subpath of %s" % (fspath, self.zip_pre) |
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|
1712 ) |
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parents:
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|
1713 |
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parents:
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|
1714 def _parts(self, zip_path): |
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parents:
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|
1715 # Convert a zipfile subpath into an egg-relative path part list. |
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shellac
parents:
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|
1716 # pseudo-fs path |
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parents:
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|
1717 fspath = self.zip_pre + zip_path |
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parents:
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|
1718 if fspath.startswith(self.egg_root + os.sep): |
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parents:
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|
1719 return fspath[len(self.egg_root) + 1:].split(os.sep) |
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|
1720 raise AssertionError( |
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parents:
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|
1721 "%s is not a subpath of %s" % (fspath, self.egg_root) |
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1722 ) |
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|
1723 |
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|
1724 @property |
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parents:
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|
1725 def zipinfo(self): |
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parents:
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|
1726 return self._zip_manifests.load(self.loader.archive) |
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|
1727 |
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|
1728 def get_resource_filename(self, manager, resource_name): |
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|
1729 if not self.egg_name: |
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|
1730 raise NotImplementedError( |
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|
1731 "resource_filename() only supported for .egg, not .zip" |
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1732 ) |
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|
1733 # no need to lock for extraction, since we use temp names |
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|
1734 zip_path = self._resource_to_zip(resource_name) |
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|
1735 eagers = self._get_eager_resources() |
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1736 if '/'.join(self._parts(zip_path)) in eagers: |
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|
1737 for name in eagers: |
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1738 self._extract_resource(manager, self._eager_to_zip(name)) |
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1739 return self._extract_resource(manager, zip_path) |
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1740 |
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|
1741 @staticmethod |
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1742 def _get_date_and_size(zip_stat): |
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1743 size = zip_stat.file_size |
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1744 # ymdhms+wday, yday, dst |
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1745 date_time = zip_stat.date_time + (0, 0, -1) |
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1746 # 1980 offset already done |
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1747 timestamp = time.mktime(date_time) |
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1748 return timestamp, size |
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1749 |
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1750 # FIXME: 'ZipProvider._extract_resource' is too complex (12) |
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1751 def _extract_resource(self, manager, zip_path): # noqa: C901 |
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1752 |
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1753 if zip_path in self._index(): |
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1754 for name in self._index()[zip_path]: |
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1755 last = self._extract_resource( |
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|
1756 manager, os.path.join(zip_path, name) |
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1757 ) |
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|
1758 # return the extracted directory name |
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1759 return os.path.dirname(last) |
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1760 |
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1761 timestamp, size = self._get_date_and_size(self.zipinfo[zip_path]) |
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1762 |
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|
1763 if not WRITE_SUPPORT: |
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parents:
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1764 raise IOError('"os.rename" and "os.unlink" are not supported ' |
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1765 'on this platform') |
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|
1766 try: |
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|
1767 |
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1768 real_path = manager.get_cache_path( |
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1769 self.egg_name, self._parts(zip_path) |
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|
1770 ) |
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|
1771 |
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|
1772 if self._is_current(real_path, zip_path): |
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|
1773 return real_path |
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|
1774 |
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|
1775 outf, tmpnam = _mkstemp( |
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|
1776 ".$extract", |
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|
1777 dir=os.path.dirname(real_path), |
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|
1778 ) |
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|
1779 os.write(outf, self.loader.get_data(zip_path)) |
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|
1780 os.close(outf) |
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|
1781 utime(tmpnam, (timestamp, timestamp)) |
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shellac
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|
1782 manager.postprocess(tmpnam, real_path) |
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|
1783 |
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|
1784 try: |
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|
1785 rename(tmpnam, real_path) |
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|
1786 |
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1787 except os.error: |
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|
1788 if os.path.isfile(real_path): |
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|
1789 if self._is_current(real_path, zip_path): |
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1790 # the file became current since it was checked above, |
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|
1791 # so proceed. |
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1792 return real_path |
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|
1793 # Windows, del old file and retry |
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1794 elif os.name == 'nt': |
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1795 unlink(real_path) |
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|
1796 rename(tmpnam, real_path) |
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1797 return real_path |
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|
1798 raise |
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1799 |
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1800 except os.error: |
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|
1801 # report a user-friendly error |
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1802 manager.extraction_error() |
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1803 |
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1804 return real_path |
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1805 |
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1806 def _is_current(self, file_path, zip_path): |
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1807 """ |
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1808 Return True if the file_path is current for this zip_path |
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1809 """ |
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1810 timestamp, size = self._get_date_and_size(self.zipinfo[zip_path]) |
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1811 if not os.path.isfile(file_path): |
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1812 return False |
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1813 stat = os.stat(file_path) |
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1814 if stat.st_size != size or stat.st_mtime != timestamp: |
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1815 return False |
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1816 # check that the contents match |
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1817 zip_contents = self.loader.get_data(zip_path) |
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1818 with open(file_path, 'rb') as f: |
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1819 file_contents = f.read() |
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1820 return zip_contents == file_contents |
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1821 |
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1822 def _get_eager_resources(self): |
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1823 if self.eagers is None: |
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1824 eagers = [] |
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1825 for name in ('native_libs.txt', 'eager_resources.txt'): |
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1826 if self.has_metadata(name): |
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1827 eagers.extend(self.get_metadata_lines(name)) |
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1828 self.eagers = eagers |
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1829 return self.eagers |
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1830 |
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1831 def _index(self): |
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1832 try: |
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1833 return self._dirindex |
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1834 except AttributeError: |
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1835 ind = {} |
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1836 for path in self.zipinfo: |
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1837 parts = path.split(os.sep) |
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1838 while parts: |
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1839 parent = os.sep.join(parts[:-1]) |
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1840 if parent in ind: |
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1841 ind[parent].append(parts[-1]) |
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1842 break |
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1843 else: |
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1844 ind[parent] = [parts.pop()] |
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1845 self._dirindex = ind |
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1846 return ind |
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1847 |
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1848 def _has(self, fspath): |
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1849 zip_path = self._zipinfo_name(fspath) |
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1850 return zip_path in self.zipinfo or zip_path in self._index() |
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1851 |
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1852 def _isdir(self, fspath): |
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1853 return self._zipinfo_name(fspath) in self._index() |
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1854 |
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1855 def _listdir(self, fspath): |
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1856 return list(self._index().get(self._zipinfo_name(fspath), ())) |
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1857 |
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1858 def _eager_to_zip(self, resource_name): |
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1859 return self._zipinfo_name(self._fn(self.egg_root, resource_name)) |
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1860 |
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1861 def _resource_to_zip(self, resource_name): |
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1862 return self._zipinfo_name(self._fn(self.module_path, resource_name)) |
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1863 |
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1864 |
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1865 register_loader_type(zipimport.zipimporter, ZipProvider) |
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1866 |
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1867 |
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1868 class FileMetadata(EmptyProvider): |
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1869 """Metadata handler for standalone PKG-INFO files |
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1870 |
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1871 Usage:: |
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1872 |
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1873 metadata = FileMetadata("/path/to/PKG-INFO") |
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1874 |
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1875 This provider rejects all data and metadata requests except for PKG-INFO, |
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1876 which is treated as existing, and will be the contents of the file at |
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1877 the provided location. |
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1878 """ |
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1879 |
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1880 def __init__(self, path): |
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1881 self.path = path |
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1882 |
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1883 def _get_metadata_path(self, name): |
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1884 return self.path |
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1885 |
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1886 def has_metadata(self, name): |
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1887 return name == 'PKG-INFO' and os.path.isfile(self.path) |
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1888 |
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1889 def get_metadata(self, name): |
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1890 if name != 'PKG-INFO': |
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1891 raise KeyError("No metadata except PKG-INFO is available") |
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1892 |
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1893 with io.open(self.path, encoding='utf-8', errors="replace") as f: |
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1894 metadata = f.read() |
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1895 self._warn_on_replacement(metadata) |
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1896 return metadata |
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1897 |
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1898 def _warn_on_replacement(self, metadata): |
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1899 replacement_char = '�' |
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1900 if replacement_char in metadata: |
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1901 tmpl = "{self.path} could not be properly decoded in UTF-8" |
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1902 msg = tmpl.format(**locals()) |
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1903 warnings.warn(msg) |
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1904 |
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1905 def get_metadata_lines(self, name): |
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1906 return yield_lines(self.get_metadata(name)) |
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1907 |
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1908 |
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1909 class PathMetadata(DefaultProvider): |
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1910 """Metadata provider for egg directories |
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1911 |
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1912 Usage:: |
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1913 |
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1914 # Development eggs: |
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1915 |
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1916 egg_info = "/path/to/PackageName.egg-info" |
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1917 base_dir = os.path.dirname(egg_info) |
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1918 metadata = PathMetadata(base_dir, egg_info) |
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1919 dist_name = os.path.splitext(os.path.basename(egg_info))[0] |
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1920 dist = Distribution(basedir, project_name=dist_name, metadata=metadata) |
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1921 |
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1922 # Unpacked egg directories: |
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1923 |
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1924 egg_path = "/path/to/PackageName-ver-pyver-etc.egg" |
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1925 metadata = PathMetadata(egg_path, os.path.join(egg_path,'EGG-INFO')) |
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1926 dist = Distribution.from_filename(egg_path, metadata=metadata) |
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1927 """ |
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1928 |
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1929 def __init__(self, path, egg_info): |
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1930 self.module_path = path |
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1931 self.egg_info = egg_info |
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1932 |
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1933 |
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1934 class EggMetadata(ZipProvider): |
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1935 """Metadata provider for .egg files""" |
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1936 |
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1937 def __init__(self, importer): |
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1938 """Create a metadata provider from a zipimporter""" |
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1939 |
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1940 self.zip_pre = importer.archive + os.sep |
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1941 self.loader = importer |
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1942 if importer.prefix: |
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1943 self.module_path = os.path.join(importer.archive, importer.prefix) |
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1944 else: |
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1945 self.module_path = importer.archive |
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1946 self._setup_prefix() |
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1947 |
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1948 |
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1949 _declare_state('dict', _distribution_finders={}) |
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1950 |
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1951 |
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1952 def register_finder(importer_type, distribution_finder): |
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1953 """Register `distribution_finder` to find distributions in sys.path items |
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1954 |
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1955 `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item |
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1956 handler), and `distribution_finder` is a callable that, passed a path |
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1957 item and the importer instance, yields ``Distribution`` instances found on |
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1958 that path item. See ``pkg_resources.find_on_path`` for an example.""" |
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1959 _distribution_finders[importer_type] = distribution_finder |
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1960 |
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1961 |
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1962 def find_distributions(path_item, only=False): |
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1963 """Yield distributions accessible via `path_item`""" |
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1964 importer = get_importer(path_item) |
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1965 finder = _find_adapter(_distribution_finders, importer) |
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1966 return finder(importer, path_item, only) |
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1967 |
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1968 |
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1969 def find_eggs_in_zip(importer, path_item, only=False): |
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1970 """ |
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1971 Find eggs in zip files; possibly multiple nested eggs. |
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1972 """ |
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1973 if importer.archive.endswith('.whl'): |
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1974 # wheels are not supported with this finder |
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1975 # they don't have PKG-INFO metadata, and won't ever contain eggs |
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1976 return |
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1977 metadata = EggMetadata(importer) |
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1978 if metadata.has_metadata('PKG-INFO'): |
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1979 yield Distribution.from_filename(path_item, metadata=metadata) |
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1980 if only: |
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1981 # don't yield nested distros |
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1982 return |
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1983 for subitem in metadata.resource_listdir(''): |
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1984 if _is_egg_path(subitem): |
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1985 subpath = os.path.join(path_item, subitem) |
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1986 dists = find_eggs_in_zip(zipimport.zipimporter(subpath), subpath) |
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1987 for dist in dists: |
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1988 yield dist |
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1989 elif subitem.lower().endswith(('.dist-info', '.egg-info')): |
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1990 subpath = os.path.join(path_item, subitem) |
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1991 submeta = EggMetadata(zipimport.zipimporter(subpath)) |
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1992 submeta.egg_info = subpath |
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1993 yield Distribution.from_location(path_item, subitem, submeta) |
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1994 |
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1995 |
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1996 register_finder(zipimport.zipimporter, find_eggs_in_zip) |
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1997 |
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1998 |
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1999 def find_nothing(importer, path_item, only=False): |
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2000 return () |
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2001 |
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2002 |
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2003 register_finder(object, find_nothing) |
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2004 |
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2005 |
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2006 def _by_version_descending(names): |
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2007 """ |
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2008 Given a list of filenames, return them in descending order |
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2009 by version number. |
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2010 |
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2011 >>> names = 'bar', 'foo', 'Python-2.7.10.egg', 'Python-2.7.2.egg' |
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2012 >>> _by_version_descending(names) |
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2013 ['Python-2.7.10.egg', 'Python-2.7.2.egg', 'foo', 'bar'] |
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2014 >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.egg' |
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2015 >>> _by_version_descending(names) |
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2016 ['Setuptools-1.2.3.egg', 'Setuptools-1.2.3b1.egg'] |
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2017 >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.post1.egg' |
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2018 >>> _by_version_descending(names) |
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2019 ['Setuptools-1.2.3.post1.egg', 'Setuptools-1.2.3b1.egg'] |
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2020 """ |
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2021 def _by_version(name): |
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2022 """ |
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2023 Parse each component of the filename |
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2024 """ |
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2025 name, ext = os.path.splitext(name) |
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2026 parts = itertools.chain(name.split('-'), [ext]) |
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2027 return [packaging.version.parse(part) for part in parts] |
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2028 |
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2029 return sorted(names, key=_by_version, reverse=True) |
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2030 |
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2031 |
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2032 def find_on_path(importer, path_item, only=False): |
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2033 """Yield distributions accessible on a sys.path directory""" |
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2034 path_item = _normalize_cached(path_item) |
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2035 |
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2036 if _is_unpacked_egg(path_item): |
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2037 yield Distribution.from_filename( |
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2038 path_item, metadata=PathMetadata( |
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2039 path_item, os.path.join(path_item, 'EGG-INFO') |
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2040 ) |
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2041 ) |
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2042 return |
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2043 |
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2044 entries = ( |
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|
2045 os.path.join(path_item, child) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2046 for child in safe_listdir(path_item) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2047 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2048 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2049 # for performance, before sorting by version, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2050 # screen entries for only those that will yield |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2051 # distributions |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2052 filtered = ( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2053 entry |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2054 for entry in entries |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2055 if dist_factory(path_item, entry, only) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2056 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2057 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2058 # scan for .egg and .egg-info in directory |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2059 path_item_entries = _by_version_descending(filtered) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2060 for entry in path_item_entries: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2061 fullpath = os.path.join(path_item, entry) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2062 factory = dist_factory(path_item, entry, only) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2063 for dist in factory(fullpath): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2064 yield dist |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2065 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2066 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2067 def dist_factory(path_item, entry, only): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2068 """Return a dist_factory for the given entry.""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2069 lower = entry.lower() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2070 is_egg_info = lower.endswith('.egg-info') |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2071 is_dist_info = ( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2072 lower.endswith('.dist-info') and |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2073 os.path.isdir(os.path.join(path_item, entry)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2074 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2075 is_meta = is_egg_info or is_dist_info |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2076 return ( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2077 distributions_from_metadata |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2078 if is_meta else |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2079 find_distributions |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2080 if not only and _is_egg_path(entry) else |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2081 resolve_egg_link |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2082 if not only and lower.endswith('.egg-link') else |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2083 NoDists() |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2084 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2085 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2086 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2087 class NoDists: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2088 """ |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2089 >>> bool(NoDists()) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2090 False |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2091 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2092 >>> list(NoDists()('anything')) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2093 [] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2094 """ |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2095 def __bool__(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2096 return False |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2097 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2098 def __call__(self, fullpath): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2099 return iter(()) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2100 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2101 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2102 def safe_listdir(path): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2103 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2104 Attempt to list contents of path, but suppress some exceptions. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2105 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2106 try: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2107 return os.listdir(path) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2108 except (PermissionError, NotADirectoryError): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2109 pass |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2110 except OSError as e: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2111 # Ignore the directory if does not exist, not a directory or |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2112 # permission denied |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2113 if e.errno not in (errno.ENOTDIR, errno.EACCES, errno.ENOENT): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2114 raise |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2115 return () |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2116 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2117 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2118 def distributions_from_metadata(path): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2119 root = os.path.dirname(path) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2120 if os.path.isdir(path): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2121 if len(os.listdir(path)) == 0: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2122 # empty metadata dir; skip |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2123 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2124 metadata = PathMetadata(root, path) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2125 else: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2126 metadata = FileMetadata(path) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2127 entry = os.path.basename(path) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2128 yield Distribution.from_location( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2129 root, entry, metadata, precedence=DEVELOP_DIST, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2130 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2131 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2132 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2133 def non_empty_lines(path): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2134 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2135 Yield non-empty lines from file at path |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2136 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2137 with open(path) as f: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2138 for line in f: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2139 line = line.strip() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2140 if line: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2141 yield line |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2142 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2143 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2144 def resolve_egg_link(path): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2145 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2146 Given a path to an .egg-link, resolve distributions |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2147 present in the referenced path. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2148 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2149 referenced_paths = non_empty_lines(path) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2150 resolved_paths = ( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2151 os.path.join(os.path.dirname(path), ref) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2152 for ref in referenced_paths |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2153 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2154 dist_groups = map(find_distributions, resolved_paths) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2155 return next(dist_groups, ()) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2156 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2157 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2158 register_finder(pkgutil.ImpImporter, find_on_path) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2159 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2160 if hasattr(importlib_machinery, 'FileFinder'): |
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|
2161 register_finder(importlib_machinery.FileFinder, find_on_path) |
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|
2162 |
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|
2163 _declare_state('dict', _namespace_handlers={}) |
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|
2164 _declare_state('dict', _namespace_packages={}) |
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|
2165 |
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|
2166 |
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|
2167 def register_namespace_handler(importer_type, namespace_handler): |
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|
2168 """Register `namespace_handler` to declare namespace packages |
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|
2169 |
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|
2170 `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item |
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|
2171 handler), and `namespace_handler` is a callable like this:: |
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|
2172 |
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|
2173 def namespace_handler(importer, path_entry, moduleName, module): |
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|
2174 # return a path_entry to use for child packages |
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|
2175 |
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|
2176 Namespace handlers are only called if the importer object has already |
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|
2177 agreed that it can handle the relevant path item, and they should only |
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|
2178 return a subpath if the module __path__ does not already contain an |
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|
2179 equivalent subpath. For an example namespace handler, see |
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|
2180 ``pkg_resources.file_ns_handler``. |
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|
2181 """ |
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|
2182 _namespace_handlers[importer_type] = namespace_handler |
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|
2183 |
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|
2184 |
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|
2185 def _handle_ns(packageName, path_item): |
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2186 """Ensure that named package includes a subpath of path_item (if needed)""" |
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2187 |
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|
2188 importer = get_importer(path_item) |
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|
2189 if importer is None: |
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|
2190 return None |
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|
2191 |
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|
2192 # use find_spec (PEP 451) and fall-back to find_module (PEP 302) |
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|
2193 try: |
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|
2194 loader = importer.find_spec(packageName).loader |
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2195 except AttributeError: |
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2196 # capture warnings due to #1111 |
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|
2197 with warnings.catch_warnings(): |
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|
2198 warnings.simplefilter("ignore") |
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|
2199 loader = importer.find_module(packageName) |
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2200 |
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|
2201 if loader is None: |
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|
2202 return None |
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2203 module = sys.modules.get(packageName) |
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2204 if module is None: |
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2205 module = sys.modules[packageName] = types.ModuleType(packageName) |
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2206 module.__path__ = [] |
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2207 _set_parent_ns(packageName) |
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2208 elif not hasattr(module, '__path__'): |
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2209 raise TypeError("Not a package:", packageName) |
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|
2210 handler = _find_adapter(_namespace_handlers, importer) |
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2211 subpath = handler(importer, path_item, packageName, module) |
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2212 if subpath is not None: |
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2213 path = module.__path__ |
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2214 path.append(subpath) |
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2215 importlib.import_module(packageName) |
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2216 _rebuild_mod_path(path, packageName, module) |
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|
2217 return subpath |
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|
2218 |
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|
2219 |
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2220 def _rebuild_mod_path(orig_path, package_name, module): |
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2221 """ |
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2222 Rebuild module.__path__ ensuring that all entries are ordered |
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2223 corresponding to their sys.path order |
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2224 """ |
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2225 sys_path = [_normalize_cached(p) for p in sys.path] |
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2226 |
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|
2227 def safe_sys_path_index(entry): |
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parents:
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|
2228 """ |
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|
2229 Workaround for #520 and #513. |
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2230 """ |
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2231 try: |
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|
2232 return sys_path.index(entry) |
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|
2233 except ValueError: |
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parents:
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|
2234 return float('inf') |
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|
2235 |
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|
2236 def position_in_sys_path(path): |
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2237 """ |
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|
2238 Return the ordinal of the path based on its position in sys.path |
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|
2239 """ |
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|
2240 path_parts = path.split(os.sep) |
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2241 module_parts = package_name.count('.') + 1 |
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|
2242 parts = path_parts[:-module_parts] |
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2243 return safe_sys_path_index(_normalize_cached(os.sep.join(parts))) |
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|
2244 |
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|
2245 new_path = sorted(orig_path, key=position_in_sys_path) |
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2246 new_path = [_normalize_cached(p) for p in new_path] |
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|
2247 |
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|
2248 if isinstance(module.__path__, list): |
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|
2249 module.__path__[:] = new_path |
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|
2250 else: |
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2251 module.__path__ = new_path |
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|
2252 |
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|
2253 |
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|
2254 def declare_namespace(packageName): |
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|
2255 """Declare that package 'packageName' is a namespace package""" |
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|
2256 |
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|
2257 _imp.acquire_lock() |
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|
2258 try: |
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|
2259 if packageName in _namespace_packages: |
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parents:
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|
2260 return |
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|
2261 |
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|
2262 path = sys.path |
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|
2263 parent, _, _ = packageName.rpartition('.') |
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|
2264 |
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|
2265 if parent: |
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|
2266 declare_namespace(parent) |
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|
2267 if parent not in _namespace_packages: |
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parents:
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|
2268 __import__(parent) |
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|
2269 try: |
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|
2270 path = sys.modules[parent].__path__ |
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|
2271 except AttributeError as e: |
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shellac
parents:
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|
2272 raise TypeError("Not a package:", parent) from e |
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2273 |
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|
2274 # Track what packages are namespaces, so when new path items are added, |
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2275 # they can be updated |
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2276 _namespace_packages.setdefault(parent or None, []).append(packageName) |
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2277 _namespace_packages.setdefault(packageName, []) |
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2278 |
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2279 for path_item in path: |
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|
2280 # Ensure all the parent's path items are reflected in the child, |
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2281 # if they apply |
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2282 _handle_ns(packageName, path_item) |
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2283 |
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2284 finally: |
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2285 _imp.release_lock() |
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2286 |
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2287 |
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2288 def fixup_namespace_packages(path_item, parent=None): |
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2289 """Ensure that previously-declared namespace packages include path_item""" |
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2290 _imp.acquire_lock() |
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2291 try: |
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2292 for package in _namespace_packages.get(parent, ()): |
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2293 subpath = _handle_ns(package, path_item) |
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2294 if subpath: |
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2295 fixup_namespace_packages(subpath, package) |
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2296 finally: |
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2297 _imp.release_lock() |
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2298 |
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2299 |
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2300 def file_ns_handler(importer, path_item, packageName, module): |
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2301 """Compute an ns-package subpath for a filesystem or zipfile importer""" |
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2302 |
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2303 subpath = os.path.join(path_item, packageName.split('.')[-1]) |
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2304 normalized = _normalize_cached(subpath) |
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2305 for item in module.__path__: |
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2306 if _normalize_cached(item) == normalized: |
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2307 break |
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2308 else: |
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2309 # Only return the path if it's not already there |
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2310 return subpath |
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2311 |
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2312 |
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2313 register_namespace_handler(pkgutil.ImpImporter, file_ns_handler) |
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2314 register_namespace_handler(zipimport.zipimporter, file_ns_handler) |
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2315 |
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2316 if hasattr(importlib_machinery, 'FileFinder'): |
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2317 register_namespace_handler(importlib_machinery.FileFinder, file_ns_handler) |
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2318 |
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2319 |
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2320 def null_ns_handler(importer, path_item, packageName, module): |
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2321 return None |
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2322 |
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2323 |
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2324 register_namespace_handler(object, null_ns_handler) |
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2325 |
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2326 |
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2327 def normalize_path(filename): |
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2328 """Normalize a file/dir name for comparison purposes""" |
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2329 return os.path.normcase(os.path.realpath(os.path.normpath( |
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2330 _cygwin_patch(filename)))) |
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2331 |
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2332 |
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2333 def _cygwin_patch(filename): # pragma: nocover |
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2334 """ |
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2335 Contrary to POSIX 2008, on Cygwin, getcwd (3) contains |
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2336 symlink components. Using |
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|
2337 os.path.abspath() works around this limitation. A fix in os.getcwd() |
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2338 would probably better, in Cygwin even more so, except |
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2339 that this seems to be by design... |
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2340 """ |
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2341 return os.path.abspath(filename) if sys.platform == 'cygwin' else filename |
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2342 |
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2343 |
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2344 def _normalize_cached(filename, _cache={}): |
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2345 try: |
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2346 return _cache[filename] |
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2347 except KeyError: |
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2348 _cache[filename] = result = normalize_path(filename) |
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2349 return result |
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2350 |
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2351 |
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2352 def _is_egg_path(path): |
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2353 """ |
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2354 Determine if given path appears to be an egg. |
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2355 """ |
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2356 return _is_zip_egg(path) or _is_unpacked_egg(path) |
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2357 |
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2358 |
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2359 def _is_zip_egg(path): |
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2360 return ( |
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2361 path.lower().endswith('.egg') and |
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2362 os.path.isfile(path) and |
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2363 zipfile.is_zipfile(path) |
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2364 ) |
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2365 |
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2366 |
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2367 def _is_unpacked_egg(path): |
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2368 """ |
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|
2369 Determine if given path appears to be an unpacked egg. |
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2370 """ |
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2371 return ( |
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2372 path.lower().endswith('.egg') and |
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2373 os.path.isfile(os.path.join(path, 'EGG-INFO', 'PKG-INFO')) |
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2374 ) |
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2375 |
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2376 |
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2377 def _set_parent_ns(packageName): |
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2378 parts = packageName.split('.') |
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2379 name = parts.pop() |
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2380 if parts: |
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2381 parent = '.'.join(parts) |
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2382 setattr(sys.modules[parent], name, sys.modules[packageName]) |
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2383 |
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2384 |
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2385 def yield_lines(strs): |
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2386 """Yield non-empty/non-comment lines of a string or sequence""" |
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2387 if isinstance(strs, str): |
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2388 for s in strs.splitlines(): |
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2389 s = s.strip() |
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2390 # skip blank lines/comments |
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2391 if s and not s.startswith('#'): |
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2392 yield s |
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2393 else: |
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2394 for ss in strs: |
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2395 for s in yield_lines(ss): |
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2396 yield s |
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2397 |
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2398 |
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2399 MODULE = re.compile(r"\w+(\.\w+)*$").match |
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2400 EGG_NAME = re.compile( |
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2401 r""" |
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2402 (?P<name>[^-]+) ( |
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2403 -(?P<ver>[^-]+) ( |
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2404 -py(?P<pyver>[^-]+) ( |
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2405 -(?P<plat>.+) |
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2406 )? |
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2407 )? |
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2408 )? |
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2409 """, |
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2410 re.VERBOSE | re.IGNORECASE, |
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2411 ).match |
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2412 |
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2413 |
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2414 class EntryPoint: |
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2415 """Object representing an advertised importable object""" |
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2416 |
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2417 def __init__(self, name, module_name, attrs=(), extras=(), dist=None): |
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2418 if not MODULE(module_name): |
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2419 raise ValueError("Invalid module name", module_name) |
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2420 self.name = name |
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2421 self.module_name = module_name |
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2422 self.attrs = tuple(attrs) |
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2423 self.extras = tuple(extras) |
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2424 self.dist = dist |
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2425 |
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2426 def __str__(self): |
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2427 s = "%s = %s" % (self.name, self.module_name) |
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2428 if self.attrs: |
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2429 s += ':' + '.'.join(self.attrs) |
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2430 if self.extras: |
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2431 s += ' [%s]' % ','.join(self.extras) |
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2432 return s |
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2433 |
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2434 def __repr__(self): |
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2435 return "EntryPoint.parse(%r)" % str(self) |
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2436 |
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2437 def load(self, require=True, *args, **kwargs): |
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2438 """ |
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2439 Require packages for this EntryPoint, then resolve it. |
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2440 """ |
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2441 if not require or args or kwargs: |
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2442 warnings.warn( |
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2443 "Parameters to load are deprecated. Call .resolve and " |
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2444 ".require separately.", |
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2445 PkgResourcesDeprecationWarning, |
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2446 stacklevel=2, |
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2447 ) |
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2448 if require: |
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2449 self.require(*args, **kwargs) |
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2450 return self.resolve() |
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2451 |
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2452 def resolve(self): |
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2453 """ |
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2454 Resolve the entry point from its module and attrs. |
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2455 """ |
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2456 module = __import__(self.module_name, fromlist=['__name__'], level=0) |
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2457 try: |
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2458 return functools.reduce(getattr, self.attrs, module) |
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2459 except AttributeError as exc: |
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2460 raise ImportError(str(exc)) from exc |
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2461 |
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2462 def require(self, env=None, installer=None): |
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2463 if self.extras and not self.dist: |
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2464 raise UnknownExtra("Can't require() without a distribution", self) |
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2465 |
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|
2466 # Get the requirements for this entry point with all its extras and |
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2467 # then resolve them. We have to pass `extras` along when resolving so |
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2468 # that the working set knows what extras we want. Otherwise, for |
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2469 # dist-info distributions, the working set will assume that the |
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2470 # requirements for that extra are purely optional and skip over them. |
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|
2471 reqs = self.dist.requires(self.extras) |
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2472 items = working_set.resolve(reqs, env, installer, extras=self.extras) |
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|
2473 list(map(working_set.add, items)) |
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|
2474 |
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2475 pattern = re.compile( |
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2476 r'\s*' |
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|
2477 r'(?P<name>.+?)\s*' |
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2478 r'=\s*' |
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2479 r'(?P<module>[\w.]+)\s*' |
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|
2480 r'(:\s*(?P<attr>[\w.]+))?\s*' |
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|
2481 r'(?P<extras>\[.*\])?\s*$' |
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2482 ) |
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2483 |
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|
2484 @classmethod |
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|
2485 def parse(cls, src, dist=None): |
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|
2486 """Parse a single entry point from string `src` |
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2487 |
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2488 Entry point syntax follows the form:: |
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|
2489 |
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|
2490 name = some.module:some.attr [extra1, extra2] |
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2491 |
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|
2492 The entry name and module name are required, but the ``:attrs`` and |
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2493 ``[extras]`` parts are optional |
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2494 """ |
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2495 m = cls.pattern.match(src) |
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2496 if not m: |
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|
2497 msg = "EntryPoint must be in 'name=module:attrs [extras]' format" |
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parents:
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|
2498 raise ValueError(msg, src) |
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parents:
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|
2499 res = m.groupdict() |
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parents:
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|
2500 extras = cls._parse_extras(res['extras']) |
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parents:
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|
2501 attrs = res['attr'].split('.') if res['attr'] else () |
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shellac
parents:
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|
2502 return cls(res['name'], res['module'], attrs, extras, dist) |
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parents:
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|
2503 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff
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|
2504 @classmethod |
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parents:
diff
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|
2505 def _parse_extras(cls, extras_spec): |
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parents:
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|
2506 if not extras_spec: |
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parents:
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|
2507 return () |
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parents:
diff
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|
2508 req = Requirement.parse('x' + extras_spec) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2509 if req.specs: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2510 raise ValueError() |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff
changeset
|
2511 return req.extras |
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parents:
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|
2512 |
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parents:
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|
2513 @classmethod |
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parents:
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|
2514 def parse_group(cls, group, lines, dist=None): |
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parents:
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|
2515 """Parse an entry point group""" |
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parents:
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|
2516 if not MODULE(group): |
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parents:
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|
2517 raise ValueError("Invalid group name", group) |
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|
2518 this = {} |
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|
2519 for line in yield_lines(lines): |
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|
2520 ep = cls.parse(line, dist) |
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|
2521 if ep.name in this: |
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|
2522 raise ValueError("Duplicate entry point", group, ep.name) |
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|
2523 this[ep.name] = ep |
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|
2524 return this |
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|
2525 |
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|
2526 @classmethod |
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parents:
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|
2527 def parse_map(cls, data, dist=None): |
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|
2528 """Parse a map of entry point groups""" |
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|
2529 if isinstance(data, dict): |
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parents:
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|
2530 data = data.items() |
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|
2531 else: |
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|
2532 data = split_sections(data) |
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|
2533 maps = {} |
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|
2534 for group, lines in data: |
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parents:
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|
2535 if group is None: |
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|
2536 if not lines: |
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|
2537 continue |
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|
2538 raise ValueError("Entry points must be listed in groups") |
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|
2539 group = group.strip() |
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parents:
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|
2540 if group in maps: |
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parents:
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|
2541 raise ValueError("Duplicate group name", group) |
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|
2542 maps[group] = cls.parse_group(group, lines, dist) |
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parents:
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|
2543 return maps |
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parents:
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|
2544 |
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|
2545 |
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|
2546 def _version_from_file(lines): |
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|
2547 """ |
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|
2548 Given an iterable of lines from a Metadata file, return |
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|
2549 the value of the Version field, if present, or None otherwise. |
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|
2550 """ |
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|
2551 def is_version_line(line): |
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parents:
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|
2552 return line.lower().startswith('version:') |
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parents:
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|
2553 version_lines = filter(is_version_line, lines) |
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parents:
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|
2554 line = next(iter(version_lines), '') |
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parents:
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|
2555 _, _, value = line.partition(':') |
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parents:
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|
2556 return safe_version(value.strip()) or None |
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parents:
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|
2557 |
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parents:
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|
2558 |
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parents:
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|
2559 class Distribution: |
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parents:
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|
2560 """Wrap an actual or potential sys.path entry w/metadata""" |
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parents:
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|
2561 PKG_INFO = 'PKG-INFO' |
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|
2562 |
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parents:
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|
2563 def __init__( |
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parents:
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|
2564 self, location=None, metadata=None, project_name=None, |
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parents:
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|
2565 version=None, py_version=PY_MAJOR, platform=None, |
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shellac
parents:
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|
2566 precedence=EGG_DIST): |
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shellac
parents:
diff
changeset
|
2567 self.project_name = safe_name(project_name or 'Unknown') |
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shellac
parents:
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|
2568 if version is not None: |
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shellac
parents:
diff
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|
2569 self._version = safe_version(version) |
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shellac
parents:
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|
2570 self.py_version = py_version |
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shellac
parents:
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|
2571 self.platform = platform |
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parents:
diff
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|
2572 self.location = location |
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parents:
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|
2573 self.precedence = precedence |
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parents:
diff
changeset
|
2574 self._provider = metadata or empty_provider |
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shellac
parents:
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|
2575 |
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parents:
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changeset
|
2576 @classmethod |
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parents:
diff
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|
2577 def from_location(cls, location, basename, metadata=None, **kw): |
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shellac
parents:
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|
2578 project_name, version, py_version, platform = [None] * 4 |
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shellac
parents:
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|
2579 basename, ext = os.path.splitext(basename) |
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shellac
parents:
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|
2580 if ext.lower() in _distributionImpl: |
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shellac
parents:
diff
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|
2581 cls = _distributionImpl[ext.lower()] |
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parents:
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|
2582 |
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parents:
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|
2583 match = EGG_NAME(basename) |
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parents:
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|
2584 if match: |
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parents:
diff
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|
2585 project_name, version, py_version, platform = match.group( |
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shellac
parents:
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|
2586 'name', 'ver', 'pyver', 'plat' |
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parents:
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|
2587 ) |
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parents:
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|
2588 return cls( |
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shellac
parents:
diff
changeset
|
2589 location, metadata, project_name=project_name, version=version, |
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shellac
parents:
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changeset
|
2590 py_version=py_version, platform=platform, **kw |
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shellac
parents:
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changeset
|
2591 )._reload_version() |
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parents:
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changeset
|
2592 |
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parents:
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|
2593 def _reload_version(self): |
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parents:
diff
changeset
|
2594 return self |
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parents:
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changeset
|
2595 |
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parents:
diff
changeset
|
2596 @property |
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shellac
parents:
diff
changeset
|
2597 def hashcmp(self): |
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shellac
parents:
diff
changeset
|
2598 return ( |
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parents:
diff
changeset
|
2599 self.parsed_version, |
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parents:
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|
2600 self.precedence, |
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parents:
diff
changeset
|
2601 self.key, |
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parents:
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|
2602 self.location, |
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parents:
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changeset
|
2603 self.py_version or '', |
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parents:
diff
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|
2604 self.platform or '', |
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parents:
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|
2605 ) |
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parents:
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|
2606 |
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parents:
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|
2607 def __hash__(self): |
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shellac
parents:
diff
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|
2608 return hash(self.hashcmp) |
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parents:
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|
2609 |
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shellac
parents:
diff
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|
2610 def __lt__(self, other): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2611 return self.hashcmp < other.hashcmp |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2612 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2613 def __le__(self, other): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2614 return self.hashcmp <= other.hashcmp |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2615 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2616 def __gt__(self, other): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2617 return self.hashcmp > other.hashcmp |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2618 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2619 def __ge__(self, other): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2620 return self.hashcmp >= other.hashcmp |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2621 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2622 def __eq__(self, other): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2623 if not isinstance(other, self.__class__): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2624 # It's not a Distribution, so they are not equal |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2625 return False |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2626 return self.hashcmp == other.hashcmp |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2627 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2628 def __ne__(self, other): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2629 return not self == other |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2630 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2631 # These properties have to be lazy so that we don't have to load any |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2632 # metadata until/unless it's actually needed. (i.e., some distributions |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2633 # may not know their name or version without loading PKG-INFO) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2634 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2635 @property |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2636 def key(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2637 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2638 return self._key |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2639 except AttributeError: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2640 self._key = key = self.project_name.lower() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2641 return key |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2642 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2643 @property |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2644 def parsed_version(self): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2645 if not hasattr(self, "_parsed_version"): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2646 self._parsed_version = parse_version(self.version) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2647 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2648 return self._parsed_version |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2649 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2650 def _warn_legacy_version(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2651 LV = packaging.version.LegacyVersion |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2652 is_legacy = isinstance(self._parsed_version, LV) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2653 if not is_legacy: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2654 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2655 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2656 # While an empty version is technically a legacy version and |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2657 # is not a valid PEP 440 version, it's also unlikely to |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2658 # actually come from someone and instead it is more likely that |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2659 # it comes from setuptools attempting to parse a filename and |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2660 # including it in the list. So for that we'll gate this warning |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2661 # on if the version is anything at all or not. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2662 if not self.version: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2663 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2664 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2665 tmpl = textwrap.dedent(""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2666 '{project_name} ({version})' is being parsed as a legacy, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2667 non PEP 440, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2668 version. You may find odd behavior and sort order. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2669 In particular it will be sorted as less than 0.0. It |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2670 is recommended to migrate to PEP 440 compatible |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2671 versions. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2672 """).strip().replace('\n', ' ') |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2673 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2674 warnings.warn(tmpl.format(**vars(self)), PEP440Warning) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2675 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2676 @property |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2677 def version(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2678 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2679 return self._version |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2680 except AttributeError as e: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2681 version = self._get_version() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2682 if version is None: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2683 path = self._get_metadata_path_for_display(self.PKG_INFO) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2684 msg = ( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2685 "Missing 'Version:' header and/or {} file at path: {}" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2686 ).format(self.PKG_INFO, path) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2687 raise ValueError(msg, self) from e |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2688 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2689 return version |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2690 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2691 @property |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2692 def _dep_map(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2693 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2694 A map of extra to its list of (direct) requirements |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2695 for this distribution, including the null extra. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2696 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2697 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2698 return self.__dep_map |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2699 except AttributeError: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2700 self.__dep_map = self._filter_extras(self._build_dep_map()) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2701 return self.__dep_map |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2702 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2703 @staticmethod |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2704 def _filter_extras(dm): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2705 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2706 Given a mapping of extras to dependencies, strip off |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2707 environment markers and filter out any dependencies |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2708 not matching the markers. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2709 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2710 for extra in list(filter(None, dm)): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2711 new_extra = extra |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2712 reqs = dm.pop(extra) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2713 new_extra, _, marker = extra.partition(':') |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2714 fails_marker = marker and ( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2715 invalid_marker(marker) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2716 or not evaluate_marker(marker) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2717 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2718 if fails_marker: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2719 reqs = [] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2720 new_extra = safe_extra(new_extra) or None |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2721 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2722 dm.setdefault(new_extra, []).extend(reqs) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2723 return dm |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2724 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff
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|
2725 def _build_dep_map(self): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff
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|
2726 dm = {} |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2727 for name in 'requires.txt', 'depends.txt': |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2728 for extra, reqs in split_sections(self._get_metadata(name)): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2729 dm.setdefault(extra, []).extend(parse_requirements(reqs)) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2730 return dm |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2731 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2732 def requires(self, extras=()): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2733 """List of Requirements needed for this distro if `extras` are used""" |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2734 dm = self._dep_map |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2735 deps = [] |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2736 deps.extend(dm.get(None, ())) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2737 for ext in extras: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2738 try: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2739 deps.extend(dm[safe_extra(ext)]) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2740 except KeyError as e: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2741 raise UnknownExtra( |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2742 "%s has no such extra feature %r" % (self, ext) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2743 ) from e |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2744 return deps |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2745 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2746 def _get_metadata_path_for_display(self, name): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2747 """ |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff
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|
2748 Return the path to the given metadata file, if available. |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2749 """ |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2750 try: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2751 # We need to access _get_metadata_path() on the provider object |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2752 # directly rather than through this class's __getattr__() |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2753 # since _get_metadata_path() is marked private. |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2754 path = self._provider._get_metadata_path(name) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2755 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2756 # Handle exceptions e.g. in case the distribution's metadata |
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parents:
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|
2757 # provider doesn't support _get_metadata_path(). |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2758 except Exception: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2759 return '[could not detect]' |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2760 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2761 return path |
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|
2762 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2763 def _get_metadata(self, name): |
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shellac
parents:
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|
2764 if self.has_metadata(name): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2765 for line in self.get_metadata_lines(name): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2766 yield line |
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parents:
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|
2767 |
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parents:
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|
2768 def _get_version(self): |
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shellac
parents:
diff
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|
2769 lines = self._get_metadata(self.PKG_INFO) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2770 version = _version_from_file(lines) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2771 |
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parents:
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|
2772 return version |
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parents:
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|
2773 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2774 def activate(self, path=None, replace=False): |
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shellac
parents:
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|
2775 """Ensure distribution is importable on `path` (default=sys.path)""" |
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parents:
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|
2776 if path is None: |
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shellac
parents:
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|
2777 path = sys.path |
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shellac
parents:
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|
2778 self.insert_on(path, replace=replace) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2779 if path is sys.path: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2780 fixup_namespace_packages(self.location) |
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shellac
parents:
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|
2781 for pkg in self._get_metadata('namespace_packages.txt'): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2782 if pkg in sys.modules: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2783 declare_namespace(pkg) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2784 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2785 def egg_name(self): |
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shellac
parents:
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|
2786 """Return what this distribution's standard .egg filename should be""" |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2787 filename = "%s-%s-py%s" % ( |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2788 to_filename(self.project_name), to_filename(self.version), |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2789 self.py_version or PY_MAJOR |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2790 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2791 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2792 if self.platform: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2793 filename += '-' + self.platform |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2794 return filename |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2795 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2796 def __repr__(self): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2797 if self.location: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
2798 return "%s (%s)" % (self, self.location) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2799 else: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2800 return str(self) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2801 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2802 def __str__(self): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2803 try: |
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shellac
parents:
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|
2804 version = getattr(self, 'version', None) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2805 except ValueError: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2806 version = None |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff
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|
2807 version = version or "[unknown version]" |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2808 return "%s %s" % (self.project_name, version) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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|
2809 |
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parents:
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|
2810 def __getattr__(self, attr): |
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shellac
parents:
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|
2811 """Delegate all unrecognized public attributes to .metadata provider""" |
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shellac
parents:
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|
2812 if attr.startswith('_'): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2813 raise AttributeError(attr) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2814 return getattr(self._provider, attr) |
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parents:
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|
2815 |
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parents:
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|
2816 def __dir__(self): |
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parents:
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|
2817 return list( |
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shellac
parents:
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|
2818 set(super(Distribution, self).__dir__()) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2819 | set( |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2820 attr for attr in self._provider.__dir__() |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2821 if not attr.startswith('_') |
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|
2822 ) |
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|
2823 ) |
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parents:
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|
2824 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2825 @classmethod |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2826 def from_filename(cls, filename, metadata=None, **kw): |
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parents:
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|
2827 return cls.from_location( |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2828 _normalize_cached(filename), os.path.basename(filename), metadata, |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
2829 **kw |
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|
2830 ) |
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|
2831 |
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parents:
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|
2832 def as_requirement(self): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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|
2833 """Return a ``Requirement`` that matches this distribution exactly""" |
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shellac
parents:
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|
2834 if isinstance(self.parsed_version, packaging.version.Version): |
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shellac
parents:
diff
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|
2835 spec = "%s==%s" % (self.project_name, self.parsed_version) |
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|
2836 else: |
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changeset
|
2837 spec = "%s===%s" % (self.project_name, self.parsed_version) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2838 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2839 return Requirement.parse(spec) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2840 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2841 def load_entry_point(self, group, name): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2842 """Return the `name` entry point of `group` or raise ImportError""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2843 ep = self.get_entry_info(group, name) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2844 if ep is None: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2845 raise ImportError("Entry point %r not found" % ((group, name),)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2846 return ep.load() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2847 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2848 def get_entry_map(self, group=None): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2849 """Return the entry point map for `group`, or the full entry map""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2850 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2851 ep_map = self._ep_map |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2852 except AttributeError: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2853 ep_map = self._ep_map = EntryPoint.parse_map( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2854 self._get_metadata('entry_points.txt'), self |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2855 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2856 if group is not None: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2857 return ep_map.get(group, {}) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2858 return ep_map |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2859 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2860 def get_entry_info(self, group, name): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2861 """Return the EntryPoint object for `group`+`name`, or ``None``""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2862 return self.get_entry_map(group).get(name) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2863 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2864 # FIXME: 'Distribution.insert_on' is too complex (13) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2865 def insert_on(self, path, loc=None, replace=False): # noqa: C901 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2866 """Ensure self.location is on path |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2867 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2868 If replace=False (default): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2869 - If location is already in path anywhere, do nothing. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2870 - Else: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2871 - If it's an egg and its parent directory is on path, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2872 insert just ahead of the parent. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2873 - Else: add to the end of path. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2874 If replace=True: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2875 - If location is already on path anywhere (not eggs) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2876 or higher priority than its parent (eggs) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2877 do nothing. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2878 - Else: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2879 - If it's an egg and its parent directory is on path, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2880 insert just ahead of the parent, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2881 removing any lower-priority entries. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2882 - Else: add it to the front of path. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2883 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2884 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2885 loc = loc or self.location |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2886 if not loc: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2887 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2888 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2889 nloc = _normalize_cached(loc) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2890 bdir = os.path.dirname(nloc) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2891 npath = [(p and _normalize_cached(p) or p) for p in path] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2892 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2893 for p, item in enumerate(npath): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2894 if item == nloc: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2895 if replace: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2896 break |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2897 else: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2898 # don't modify path (even removing duplicates) if |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2899 # found and not replace |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2900 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2901 elif item == bdir and self.precedence == EGG_DIST: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2902 # if it's an .egg, give it precedence over its directory |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2903 # UNLESS it's already been added to sys.path and replace=False |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2904 if (not replace) and nloc in npath[p:]: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2905 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2906 if path is sys.path: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2907 self.check_version_conflict() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2908 path.insert(p, loc) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2909 npath.insert(p, nloc) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2910 break |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2911 else: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2912 if path is sys.path: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2913 self.check_version_conflict() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2914 if replace: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2915 path.insert(0, loc) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2916 else: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2917 path.append(loc) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2918 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2919 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2920 # p is the spot where we found or inserted loc; now remove duplicates |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2921 while True: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2922 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2923 np = npath.index(nloc, p + 1) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2924 except ValueError: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2925 break |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2926 else: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2927 del npath[np], path[np] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2928 # ha! |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2929 p = np |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2930 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2931 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2932 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2933 def check_version_conflict(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2934 if self.key == 'setuptools': |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2935 # ignore the inevitable setuptools self-conflicts :( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2936 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2937 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2938 nsp = dict.fromkeys(self._get_metadata('namespace_packages.txt')) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2939 loc = normalize_path(self.location) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2940 for modname in self._get_metadata('top_level.txt'): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2941 if (modname not in sys.modules or modname in nsp |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2942 or modname in _namespace_packages): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2943 continue |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2944 if modname in ('pkg_resources', 'setuptools', 'site'): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2945 continue |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2946 fn = getattr(sys.modules[modname], '__file__', None) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2947 if fn and (normalize_path(fn).startswith(loc) or |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2948 fn.startswith(self.location)): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2949 continue |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2950 issue_warning( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2951 "Module %s was already imported from %s, but %s is being added" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2952 " to sys.path" % (modname, fn, self.location), |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2953 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2954 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2955 def has_version(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2956 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2957 self.version |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2958 except ValueError: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2959 issue_warning("Unbuilt egg for " + repr(self)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2960 return False |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2961 return True |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2962 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2963 def clone(self, **kw): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2964 """Copy this distribution, substituting in any changed keyword args""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2965 names = 'project_name version py_version platform location precedence' |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2966 for attr in names.split(): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2967 kw.setdefault(attr, getattr(self, attr, None)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2968 kw.setdefault('metadata', self._provider) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2969 return self.__class__(**kw) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2970 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2971 @property |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2972 def extras(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2973 return [dep for dep in self._dep_map if dep] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2974 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2975 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2976 class EggInfoDistribution(Distribution): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2977 def _reload_version(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2978 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2979 Packages installed by distutils (e.g. numpy or scipy), |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2980 which uses an old safe_version, and so |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2981 their version numbers can get mangled when |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2982 converted to filenames (e.g., 1.11.0.dev0+2329eae to |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2983 1.11.0.dev0_2329eae). These distributions will not be |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2984 parsed properly |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2985 downstream by Distribution and safe_version, so |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2986 take an extra step and try to get the version number from |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2987 the metadata file itself instead of the filename. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2988 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2989 md_version = self._get_version() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2990 if md_version: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2991 self._version = md_version |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2992 return self |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2993 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2994 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2995 class DistInfoDistribution(Distribution): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2996 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2997 Wrap an actual or potential sys.path entry |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2998 w/metadata, .dist-info style. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
2999 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3000 PKG_INFO = 'METADATA' |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3001 EQEQ = re.compile(r"([\(,])\s*(\d.*?)\s*([,\)])") |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3002 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3003 @property |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3004 def _parsed_pkg_info(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3005 """Parse and cache metadata""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3006 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3007 return self._pkg_info |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3008 except AttributeError: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3009 metadata = self.get_metadata(self.PKG_INFO) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3010 self._pkg_info = email.parser.Parser().parsestr(metadata) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3011 return self._pkg_info |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3012 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3013 @property |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3014 def _dep_map(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3015 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3016 return self.__dep_map |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3017 except AttributeError: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3018 self.__dep_map = self._compute_dependencies() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3019 return self.__dep_map |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3020 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3021 def _compute_dependencies(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3022 """Recompute this distribution's dependencies.""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3023 dm = self.__dep_map = {None: []} |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3024 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3025 reqs = [] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3026 # Including any condition expressions |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3027 for req in self._parsed_pkg_info.get_all('Requires-Dist') or []: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3028 reqs.extend(parse_requirements(req)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3029 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3030 def reqs_for_extra(extra): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3031 for req in reqs: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3032 if not req.marker or req.marker.evaluate({'extra': extra}): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3033 yield req |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3034 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3035 common = frozenset(reqs_for_extra(None)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3036 dm[None].extend(common) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3037 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3038 for extra in self._parsed_pkg_info.get_all('Provides-Extra') or []: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3039 s_extra = safe_extra(extra.strip()) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3040 dm[s_extra] = list(frozenset(reqs_for_extra(extra)) - common) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3041 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3042 return dm |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3043 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3044 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3045 _distributionImpl = { |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3046 '.egg': Distribution, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3047 '.egg-info': EggInfoDistribution, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3048 '.dist-info': DistInfoDistribution, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3049 } |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3050 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3051 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3052 def issue_warning(*args, **kw): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3053 level = 1 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3054 g = globals() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3055 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3056 # find the first stack frame that is *not* code in |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3057 # the pkg_resources module, to use for the warning |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3058 while sys._getframe(level).f_globals is g: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3059 level += 1 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3060 except ValueError: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3061 pass |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3062 warnings.warn(stacklevel=level + 1, *args, **kw) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3063 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3064 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3065 def parse_requirements(strs): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3066 """Yield ``Requirement`` objects for each specification in `strs` |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3067 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3068 `strs` must be a string, or a (possibly-nested) iterable thereof. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3069 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3070 # create a steppable iterator, so we can handle \-continuations |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3071 lines = iter(yield_lines(strs)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3072 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3073 for line in lines: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3074 # Drop comments -- a hash without a space may be in a URL. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3075 if ' #' in line: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3076 line = line[:line.find(' #')] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3077 # If there is a line continuation, drop it, and append the next line. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3078 if line.endswith('\\'): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3079 line = line[:-2].strip() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3080 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3081 line += next(lines) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3082 except StopIteration: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3083 return |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3084 yield Requirement(line) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3085 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3086 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3087 class RequirementParseError(packaging.requirements.InvalidRequirement): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3088 "Compatibility wrapper for InvalidRequirement" |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3089 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3090 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3091 class Requirement(packaging.requirements.Requirement): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3092 def __init__(self, requirement_string): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3093 """DO NOT CALL THIS UNDOCUMENTED METHOD; use Requirement.parse()!""" |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3094 super(Requirement, self).__init__(requirement_string) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3095 self.unsafe_name = self.name |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3096 project_name = safe_name(self.name) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3097 self.project_name, self.key = project_name, project_name.lower() |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3098 self.specs = [ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3099 (spec.operator, spec.version) for spec in self.specifier] |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3100 self.extras = tuple(map(safe_extra, self.extras)) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3101 self.hashCmp = ( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3102 self.key, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3103 self.url, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3104 self.specifier, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3105 frozenset(self.extras), |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3106 str(self.marker) if self.marker else None, |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3107 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3108 self.__hash = hash(self.hashCmp) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3109 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3110 def __eq__(self, other): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3111 return ( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3112 isinstance(other, Requirement) and |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3113 self.hashCmp == other.hashCmp |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3114 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3115 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3116 def __ne__(self, other): |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3117 return not self == other |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3118 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3119 def __contains__(self, item): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3120 if isinstance(item, Distribution): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3121 if item.key != self.key: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3122 return False |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3123 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3124 item = item.version |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3125 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3126 # Allow prereleases always in order to match the previous behavior of |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3127 # this method. In the future this should be smarter and follow PEP 440 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3128 # more accurately. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3129 return self.specifier.contains(item, prereleases=True) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3130 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3131 def __hash__(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3132 return self.__hash |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3133 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3134 def __repr__(self): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3135 return "Requirement.parse(%r)" % str(self) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3136 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3137 @staticmethod |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3138 def parse(s): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3139 req, = parse_requirements(s) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3140 return req |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3141 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3142 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3143 def _always_object(classes): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3144 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3145 Ensure object appears in the mro even |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3146 for old-style classes. |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3147 """ |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3148 if object not in classes: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3149 return classes + (object,) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3150 return classes |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3151 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3152 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3153 def _find_adapter(registry, ob): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3154 """Return an adapter factory for `ob` from `registry`""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3155 types = _always_object(inspect.getmro(getattr(ob, '__class__', type(ob)))) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3156 for t in types: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3157 if t in registry: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3158 return registry[t] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3159 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3160 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3161 def ensure_directory(path): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3162 """Ensure that the parent directory of `path` exists""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3163 dirname = os.path.dirname(path) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3164 os.makedirs(dirname, exist_ok=True) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3165 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3166 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3167 def _bypass_ensure_directory(path): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3168 """Sandbox-bypassing version of ensure_directory()""" |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3169 if not WRITE_SUPPORT: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3170 raise IOError('"os.mkdir" not supported on this platform.') |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3171 dirname, filename = split(path) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3172 if dirname and filename and not isdir(dirname): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3173 _bypass_ensure_directory(dirname) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3174 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
3175 mkdir(dirname, 0o755) |
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3176 except FileExistsError: |
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|
3177 pass |
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|
3178 |
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|
3179 |
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|
3180 def split_sections(s): |
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3181 """Split a string or iterable thereof into (section, content) pairs |
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3182 |
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|
3183 Each ``section`` is a stripped version of the section header ("[section]") |
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|
3184 and each ``content`` is a list of stripped lines excluding blank lines and |
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|
3185 comment-only lines. If there are any such lines before the first section |
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|
3186 header, they're returned in a first ``section`` of ``None``. |
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|
3187 """ |
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3188 section = None |
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3189 content = [] |
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3190 for line in yield_lines(s): |
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|
3191 if line.startswith("["): |
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|
3192 if line.endswith("]"): |
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|
3193 if section or content: |
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|
3194 yield section, content |
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3195 section = line[1:-1].strip() |
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3196 content = [] |
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3197 else: |
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3198 raise ValueError("Invalid section heading", line) |
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3199 else: |
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3200 content.append(line) |
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3201 |
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3202 # wrap up last segment |
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3203 yield section, content |
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3204 |
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3205 |
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3206 def _mkstemp(*args, **kw): |
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3207 old_open = os.open |
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3208 try: |
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|
3209 # temporarily bypass sandboxing |
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|
3210 os.open = os_open |
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|
3211 return tempfile.mkstemp(*args, **kw) |
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|
3212 finally: |
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|
3213 # and then put it back |
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|
3214 os.open = old_open |
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|
3215 |
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3216 |
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3217 # Silence the PEP440Warning by default, so that end users don't get hit by it |
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3218 # randomly just because they use pkg_resources. We want to append the rule |
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3219 # because we want earlier uses of filterwarnings to take precedence over this |
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3220 # one. |
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|
3221 warnings.filterwarnings("ignore", category=PEP440Warning, append=True) |
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3222 |
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3223 |
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3224 # from jaraco.functools 1.3 |
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3225 def _call_aside(f, *args, **kwargs): |
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3226 f(*args, **kwargs) |
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3227 return f |
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3228 |
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3229 |
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|
3230 @_call_aside |
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3231 def _initialize(g=globals()): |
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3232 "Set up global resource manager (deliberately not state-saved)" |
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3233 manager = ResourceManager() |
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3234 g['_manager'] = manager |
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3235 g.update( |
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|
3236 (name, getattr(manager, name)) |
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3237 for name in dir(manager) |
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3238 if not name.startswith('_') |
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|
3239 ) |
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|
3240 |
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|
3241 |
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|
3242 @_call_aside |
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|
3243 def _initialize_master_working_set(): |
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3244 """ |
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3245 Prepare the master working set and make the ``require()`` |
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|
3246 API available. |
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|
3247 |
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|
3248 This function has explicit effects on the global state |
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3249 of pkg_resources. It is intended to be invoked once at |
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3250 the initialization of this module. |
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3251 |
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3252 Invocation by other packages is unsupported and done |
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3253 at their own risk. |
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3254 """ |
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3255 working_set = WorkingSet._build_master() |
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3256 _declare_state('object', working_set=working_set) |
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3257 |
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|
3258 require = working_set.require |
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3259 iter_entry_points = working_set.iter_entry_points |
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3260 add_activation_listener = working_set.subscribe |
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3261 run_script = working_set.run_script |
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3262 # backward compatibility |
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3263 run_main = run_script |
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3264 # Activate all distributions already on sys.path with replace=False and |
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|
3265 # ensure that all distributions added to the working set in the future |
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3266 # (e.g. by calling ``require()``) will get activated as well, |
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3267 # with higher priority (replace=True). |
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|
3268 tuple( |
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|
3269 dist.activate(replace=False) |
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|
3270 for dist in working_set |
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3271 ) |
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3272 add_activation_listener( |
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3273 lambda dist: dist.activate(replace=True), |
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3274 existing=False, |
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3275 ) |
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3276 working_set.entries = [] |
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3277 # match order |
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|
3278 list(map(working_set.add_entry, sys.path)) |
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3279 globals().update(locals()) |
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3280 |
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3281 |
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3282 class PkgResourcesDeprecationWarning(Warning): |
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3283 """ |
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3284 Base class for warning about deprecations in ``pkg_resources`` |
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3285 |
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3286 This class is not derived from ``DeprecationWarning``, and as such is |
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3287 visible by default. |
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3288 """ |