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271 lines
9.0 KiB
Python
271 lines
9.0 KiB
Python
5 years ago
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import os
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import operator
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import sys
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import contextlib
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import itertools
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import unittest
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from distutils.errors import DistutilsError, DistutilsOptionError
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from distutils import log
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from unittest import TestLoader
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from setuptools.extern import six
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from setuptools.extern.six.moves import map, filter
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from pkg_resources import (resource_listdir, resource_exists, normalize_path,
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working_set, _namespace_packages, evaluate_marker,
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add_activation_listener, require, EntryPoint)
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from setuptools import Command
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__metaclass__ = type
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class ScanningLoader(TestLoader):
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def __init__(self):
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TestLoader.__init__(self)
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self._visited = set()
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def loadTestsFromModule(self, module, pattern=None):
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"""Return a suite of all tests cases contained in the given module
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If the module is a package, load tests from all the modules in it.
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If the module has an ``additional_tests`` function, call it and add
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the return value to the tests.
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"""
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if module in self._visited:
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return None
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self._visited.add(module)
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tests = []
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tests.append(TestLoader.loadTestsFromModule(self, module))
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if hasattr(module, "additional_tests"):
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tests.append(module.additional_tests())
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if hasattr(module, '__path__'):
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for file in resource_listdir(module.__name__, ''):
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if file.endswith('.py') and file != '__init__.py':
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submodule = module.__name__ + '.' + file[:-3]
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else:
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if resource_exists(module.__name__, file + '/__init__.py'):
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submodule = module.__name__ + '.' + file
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else:
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continue
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tests.append(self.loadTestsFromName(submodule))
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if len(tests) != 1:
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return self.suiteClass(tests)
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else:
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return tests[0] # don't create a nested suite for only one return
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# adapted from jaraco.classes.properties:NonDataProperty
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class NonDataProperty:
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def __init__(self, fget):
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self.fget = fget
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def __get__(self, obj, objtype=None):
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if obj is None:
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return self
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return self.fget(obj)
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class test(Command):
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"""Command to run unit tests after in-place build"""
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description = "run unit tests after in-place build"
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user_options = [
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('test-module=', 'm', "Run 'test_suite' in specified module"),
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('test-suite=', 's',
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"Run single test, case or suite (e.g. 'module.test_suite')"),
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('test-runner=', 'r', "Test runner to use"),
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]
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def initialize_options(self):
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self.test_suite = None
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self.test_module = None
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self.test_loader = None
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self.test_runner = None
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def finalize_options(self):
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if self.test_suite and self.test_module:
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msg = "You may specify a module or a suite, but not both"
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raise DistutilsOptionError(msg)
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if self.test_suite is None:
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if self.test_module is None:
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self.test_suite = self.distribution.test_suite
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else:
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self.test_suite = self.test_module + ".test_suite"
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if self.test_loader is None:
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self.test_loader = getattr(self.distribution, 'test_loader', None)
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if self.test_loader is None:
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self.test_loader = "setuptools.command.test:ScanningLoader"
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if self.test_runner is None:
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self.test_runner = getattr(self.distribution, 'test_runner', None)
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@NonDataProperty
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def test_args(self):
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return list(self._test_args())
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def _test_args(self):
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if not self.test_suite and sys.version_info >= (2, 7):
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yield 'discover'
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if self.verbose:
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yield '--verbose'
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if self.test_suite:
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yield self.test_suite
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def with_project_on_sys_path(self, func):
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"""
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Backward compatibility for project_on_sys_path context.
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"""
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with self.project_on_sys_path():
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func()
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@contextlib.contextmanager
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def project_on_sys_path(self, include_dists=[]):
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with_2to3 = six.PY3 and getattr(self.distribution, 'use_2to3', False)
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if with_2to3:
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# If we run 2to3 we can not do this inplace:
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# Ensure metadata is up-to-date
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self.reinitialize_command('build_py', inplace=0)
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self.run_command('build_py')
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bpy_cmd = self.get_finalized_command("build_py")
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build_path = normalize_path(bpy_cmd.build_lib)
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# Build extensions
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self.reinitialize_command('egg_info', egg_base=build_path)
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self.run_command('egg_info')
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self.reinitialize_command('build_ext', inplace=0)
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self.run_command('build_ext')
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else:
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# Without 2to3 inplace works fine:
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self.run_command('egg_info')
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# Build extensions in-place
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self.reinitialize_command('build_ext', inplace=1)
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self.run_command('build_ext')
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ei_cmd = self.get_finalized_command("egg_info")
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old_path = sys.path[:]
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old_modules = sys.modules.copy()
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try:
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project_path = normalize_path(ei_cmd.egg_base)
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sys.path.insert(0, project_path)
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working_set.__init__()
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add_activation_listener(lambda dist: dist.activate())
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require('%s==%s' % (ei_cmd.egg_name, ei_cmd.egg_version))
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with self.paths_on_pythonpath([project_path]):
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yield
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finally:
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sys.path[:] = old_path
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sys.modules.clear()
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sys.modules.update(old_modules)
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working_set.__init__()
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@staticmethod
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@contextlib.contextmanager
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def paths_on_pythonpath(paths):
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"""
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Add the indicated paths to the head of the PYTHONPATH environment
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variable so that subprocesses will also see the packages at
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these paths.
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Do this in a context that restores the value on exit.
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"""
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nothing = object()
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orig_pythonpath = os.environ.get('PYTHONPATH', nothing)
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current_pythonpath = os.environ.get('PYTHONPATH', '')
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try:
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prefix = os.pathsep.join(paths)
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to_join = filter(None, [prefix, current_pythonpath])
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new_path = os.pathsep.join(to_join)
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if new_path:
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os.environ['PYTHONPATH'] = new_path
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yield
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finally:
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if orig_pythonpath is nothing:
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os.environ.pop('PYTHONPATH', None)
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else:
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os.environ['PYTHONPATH'] = orig_pythonpath
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@staticmethod
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def install_dists(dist):
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"""
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Install the requirements indicated by self.distribution and
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return an iterable of the dists that were built.
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"""
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ir_d = dist.fetch_build_eggs(dist.install_requires)
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tr_d = dist.fetch_build_eggs(dist.tests_require or [])
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er_d = dist.fetch_build_eggs(
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v for k, v in dist.extras_require.items()
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if k.startswith(':') and evaluate_marker(k[1:])
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)
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return itertools.chain(ir_d, tr_d, er_d)
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def run(self):
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installed_dists = self.install_dists(self.distribution)
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cmd = ' '.join(self._argv)
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if self.dry_run:
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self.announce('skipping "%s" (dry run)' % cmd)
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return
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self.announce('running "%s"' % cmd)
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paths = map(operator.attrgetter('location'), installed_dists)
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with self.paths_on_pythonpath(paths):
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with self.project_on_sys_path():
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self.run_tests()
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def run_tests(self):
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# Purge modules under test from sys.modules. The test loader will
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# re-import them from the build location. Required when 2to3 is used
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# with namespace packages.
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if six.PY3 and getattr(self.distribution, 'use_2to3', False):
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module = self.test_suite.split('.')[0]
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if module in _namespace_packages:
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del_modules = []
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if module in sys.modules:
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del_modules.append(module)
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module += '.'
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for name in sys.modules:
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if name.startswith(module):
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del_modules.append(name)
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list(map(sys.modules.__delitem__, del_modules))
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test = unittest.main(
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None, None, self._argv,
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testLoader=self._resolve_as_ep(self.test_loader),
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testRunner=self._resolve_as_ep(self.test_runner),
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exit=False,
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)
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if not test.result.wasSuccessful():
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msg = 'Test failed: %s' % test.result
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self.announce(msg, log.ERROR)
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raise DistutilsError(msg)
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@property
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def _argv(self):
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return ['unittest'] + self.test_args
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@staticmethod
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def _resolve_as_ep(val):
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"""
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Load the indicated attribute value, called, as a as if it were
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specified as an entry point.
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"""
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if val is None:
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return
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parsed = EntryPoint.parse("x=" + val)
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return parsed.resolve()()
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