annotate lib/python3.8/site-packages/setuptools/command/test.py @ 0:9e54283cc701 draft

"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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1 import os
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2 import operator
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3 import sys
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4 import contextlib
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5 import itertools
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6 import unittest
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7 from distutils.errors import DistutilsError, DistutilsOptionError
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8 from distutils import log
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9 from unittest import TestLoader
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10
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11 from setuptools.extern import six
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12 from setuptools.extern.six.moves import map, filter
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13
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14 from pkg_resources import (resource_listdir, resource_exists, normalize_path,
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15 working_set, _namespace_packages, evaluate_marker,
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16 add_activation_listener, require, EntryPoint)
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17 from setuptools import Command
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18 from .build_py import _unique_everseen
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19
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20 __metaclass__ = type
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21
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22
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23 class ScanningLoader(TestLoader):
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24
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25 def __init__(self):
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26 TestLoader.__init__(self)
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27 self._visited = set()
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28
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29 def loadTestsFromModule(self, module, pattern=None):
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30 """Return a suite of all tests cases contained in the given module
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31
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32 If the module is a package, load tests from all the modules in it.
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33 If the module has an ``additional_tests`` function, call it and add
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34 the return value to the tests.
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35 """
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36 if module in self._visited:
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37 return None
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38 self._visited.add(module)
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39
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40 tests = []
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41 tests.append(TestLoader.loadTestsFromModule(self, module))
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42
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43 if hasattr(module, "additional_tests"):
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44 tests.append(module.additional_tests())
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45
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46 if hasattr(module, '__path__'):
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47 for file in resource_listdir(module.__name__, ''):
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48 if file.endswith('.py') and file != '__init__.py':
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49 submodule = module.__name__ + '.' + file[:-3]
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50 else:
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51 if resource_exists(module.__name__, file + '/__init__.py'):
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52 submodule = module.__name__ + '.' + file
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53 else:
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54 continue
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55 tests.append(self.loadTestsFromName(submodule))
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56
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57 if len(tests) != 1:
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58 return self.suiteClass(tests)
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59 else:
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60 return tests[0] # don't create a nested suite for only one return
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61
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62
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63 # adapted from jaraco.classes.properties:NonDataProperty
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64 class NonDataProperty:
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65 def __init__(self, fget):
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66 self.fget = fget
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67
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68 def __get__(self, obj, objtype=None):
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69 if obj is None:
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70 return self
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71 return self.fget(obj)
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72
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73
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74 class test(Command):
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75 """Command to run unit tests after in-place build"""
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76
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77 description = "run unit tests after in-place build (deprecated)"
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78
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79 user_options = [
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80 ('test-module=', 'm', "Run 'test_suite' in specified module"),
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81 ('test-suite=', 's',
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82 "Run single test, case or suite (e.g. 'module.test_suite')"),
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83 ('test-runner=', 'r', "Test runner to use"),
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84 ]
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85
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86 def initialize_options(self):
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87 self.test_suite = None
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88 self.test_module = None
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89 self.test_loader = None
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90 self.test_runner = None
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91
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92 def finalize_options(self):
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93
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94 if self.test_suite and self.test_module:
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95 msg = "You may specify a module or a suite, but not both"
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96 raise DistutilsOptionError(msg)
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97
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98 if self.test_suite is None:
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99 if self.test_module is None:
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100 self.test_suite = self.distribution.test_suite
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101 else:
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102 self.test_suite = self.test_module + ".test_suite"
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103
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104 if self.test_loader is None:
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105 self.test_loader = getattr(self.distribution, 'test_loader', None)
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106 if self.test_loader is None:
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107 self.test_loader = "setuptools.command.test:ScanningLoader"
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108 if self.test_runner is None:
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109 self.test_runner = getattr(self.distribution, 'test_runner', None)
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110
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111 @NonDataProperty
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112 def test_args(self):
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113 return list(self._test_args())
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114
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115 def _test_args(self):
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116 if not self.test_suite and sys.version_info >= (2, 7):
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117 yield 'discover'
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118 if self.verbose:
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119 yield '--verbose'
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120 if self.test_suite:
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121 yield self.test_suite
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122
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123 def with_project_on_sys_path(self, func):
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124 """
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125 Backward compatibility for project_on_sys_path context.
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126 """
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127 with self.project_on_sys_path():
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128 func()
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129
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130 @contextlib.contextmanager
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131 def project_on_sys_path(self, include_dists=[]):
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132 with_2to3 = not six.PY2 and getattr(
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133 self.distribution, 'use_2to3', False)
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134
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135 if with_2to3:
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136 # If we run 2to3 we can not do this inplace:
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137
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138 # Ensure metadata is up-to-date
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139 self.reinitialize_command('build_py', inplace=0)
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140 self.run_command('build_py')
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141 bpy_cmd = self.get_finalized_command("build_py")
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142 build_path = normalize_path(bpy_cmd.build_lib)
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143
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144 # Build extensions
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145 self.reinitialize_command('egg_info', egg_base=build_path)
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146 self.run_command('egg_info')
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147
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148 self.reinitialize_command('build_ext', inplace=0)
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149 self.run_command('build_ext')
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150 else:
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151 # Without 2to3 inplace works fine:
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152 self.run_command('egg_info')
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153
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154 # Build extensions in-place
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155 self.reinitialize_command('build_ext', inplace=1)
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156 self.run_command('build_ext')
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157
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158 ei_cmd = self.get_finalized_command("egg_info")
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159
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160 old_path = sys.path[:]
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161 old_modules = sys.modules.copy()
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162
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163 try:
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164 project_path = normalize_path(ei_cmd.egg_base)
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165 sys.path.insert(0, project_path)
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166 working_set.__init__()
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167 add_activation_listener(lambda dist: dist.activate())
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168 require('%s==%s' % (ei_cmd.egg_name, ei_cmd.egg_version))
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169 with self.paths_on_pythonpath([project_path]):
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170 yield
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171 finally:
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172 sys.path[:] = old_path
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173 sys.modules.clear()
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174 sys.modules.update(old_modules)
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175 working_set.__init__()
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176
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177 @staticmethod
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178 @contextlib.contextmanager
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179 def paths_on_pythonpath(paths):
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180 """
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181 Add the indicated paths to the head of the PYTHONPATH environment
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182 variable so that subprocesses will also see the packages at
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183 these paths.
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184
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185 Do this in a context that restores the value on exit.
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186 """
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187 nothing = object()
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188 orig_pythonpath = os.environ.get('PYTHONPATH', nothing)
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189 current_pythonpath = os.environ.get('PYTHONPATH', '')
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190 try:
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191 prefix = os.pathsep.join(_unique_everseen(paths))
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192 to_join = filter(None, [prefix, current_pythonpath])
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193 new_path = os.pathsep.join(to_join)
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194 if new_path:
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195 os.environ['PYTHONPATH'] = new_path
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196 yield
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197 finally:
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198 if orig_pythonpath is nothing:
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199 os.environ.pop('PYTHONPATH', None)
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200 else:
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201 os.environ['PYTHONPATH'] = orig_pythonpath
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202
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203 @staticmethod
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204 def install_dists(dist):
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205 """
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206 Install the requirements indicated by self.distribution and
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207 return an iterable of the dists that were built.
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208 """
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209 ir_d = dist.fetch_build_eggs(dist.install_requires)
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210 tr_d = dist.fetch_build_eggs(dist.tests_require or [])
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211 er_d = dist.fetch_build_eggs(
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212 v for k, v in dist.extras_require.items()
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213 if k.startswith(':') and evaluate_marker(k[1:])
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214 )
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215 return itertools.chain(ir_d, tr_d, er_d)
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216
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217 def run(self):
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218 self.announce(
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219 "WARNING: Testing via this command is deprecated and will be "
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220 "removed in a future version. Users looking for a generic test "
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221 "entry point independent of test runner are encouraged to use "
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222 "tox.",
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223 log.WARN,
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224 )
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225
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226 installed_dists = self.install_dists(self.distribution)
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227
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228 cmd = ' '.join(self._argv)
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229 if self.dry_run:
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230 self.announce('skipping "%s" (dry run)' % cmd)
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231 return
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232
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233 self.announce('running "%s"' % cmd)
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234
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235 paths = map(operator.attrgetter('location'), installed_dists)
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236 with self.paths_on_pythonpath(paths):
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237 with self.project_on_sys_path():
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238 self.run_tests()
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239
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240 def run_tests(self):
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241 # Purge modules under test from sys.modules. The test loader will
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242 # re-import them from the build location. Required when 2to3 is used
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243 # with namespace packages.
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244 if not six.PY2 and getattr(self.distribution, 'use_2to3', False):
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245 module = self.test_suite.split('.')[0]
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246 if module in _namespace_packages:
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247 del_modules = []
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248 if module in sys.modules:
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249 del_modules.append(module)
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250 module += '.'
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251 for name in sys.modules:
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252 if name.startswith(module):
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253 del_modules.append(name)
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254 list(map(sys.modules.__delitem__, del_modules))
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255
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256 test = unittest.main(
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257 None, None, self._argv,
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258 testLoader=self._resolve_as_ep(self.test_loader),
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259 testRunner=self._resolve_as_ep(self.test_runner),
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260 exit=False,
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261 )
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262 if not test.result.wasSuccessful():
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263 msg = 'Test failed: %s' % test.result
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264 self.announce(msg, log.ERROR)
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265 raise DistutilsError(msg)
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266
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267 @property
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268 def _argv(self):
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269 return ['unittest'] + self.test_args
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270
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271 @staticmethod
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272 def _resolve_as_ep(val):
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273 """
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274 Load the indicated attribute value, called, as a as if it were
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275 specified as an entry point.
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276 """
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277 if val is None:
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278 return
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279 parsed = EntryPoint.parse("x=" + val)
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280 return parsed.resolve()()