mirror of https://github.com/python/cpython
260 lines
8.9 KiB
Python
260 lines
8.9 KiB
Python
"""Tests for distutils.dist."""
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import distutils.cmd
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import distutils.dist
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import os
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import io
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import sys
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import unittest
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import warnings
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from test.support import TESTFN
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from distutils.tests import support
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class test_dist(distutils.cmd.Command):
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"""Sample distutils extension command."""
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user_options = [
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("sample-option=", "S", "help text"),
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]
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def initialize_options(self):
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self.sample_option = None
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class TestDistribution(distutils.dist.Distribution):
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"""Distribution subclasses that avoids the default search for
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configuration files.
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The ._config_files attribute must be set before
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.parse_config_files() is called.
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"""
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def find_config_files(self):
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return self._config_files
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class DistributionTestCase(unittest.TestCase):
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def setUp(self):
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self.argv = sys.argv[:]
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del sys.argv[1:]
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def tearDown(self):
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sys.argv[:] = self.argv
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def create_distribution(self, configfiles=()):
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d = TestDistribution()
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d._config_files = configfiles
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d.parse_config_files()
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d.parse_command_line()
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return d
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def test_command_packages_unspecified(self):
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sys.argv.append("build")
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d = self.create_distribution()
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self.assertEqual(d.get_command_packages(), ["distutils.command"])
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def test_command_packages_cmdline(self):
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from distutils.tests.test_dist import test_dist
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sys.argv.extend(["--command-packages",
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"foo.bar,distutils.tests",
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"test_dist",
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"-Ssometext",
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])
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d = self.create_distribution()
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# let's actually try to load our test command:
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self.assertEqual(d.get_command_packages(),
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["distutils.command", "foo.bar", "distutils.tests"])
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cmd = d.get_command_obj("test_dist")
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self.assert_(isinstance(cmd, test_dist))
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self.assertEqual(cmd.sample_option, "sometext")
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def test_command_packages_configfile(self):
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sys.argv.append("build")
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f = open(TESTFN, "w")
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try:
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print("[global]", file=f)
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print("command_packages = foo.bar, splat", file=f)
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f.close()
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d = self.create_distribution([TESTFN])
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self.assertEqual(d.get_command_packages(),
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["distutils.command", "foo.bar", "splat"])
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# ensure command line overrides config:
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sys.argv[1:] = ["--command-packages", "spork", "build"]
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d = self.create_distribution([TESTFN])
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self.assertEqual(d.get_command_packages(),
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["distutils.command", "spork"])
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# Setting --command-packages to '' should cause the default to
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# be used even if a config file specified something else:
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sys.argv[1:] = ["--command-packages", "", "build"]
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d = self.create_distribution([TESTFN])
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self.assertEqual(d.get_command_packages(), ["distutils.command"])
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finally:
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os.unlink(TESTFN)
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def test_empty_options(self):
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# an empty options dictionary should not stay in the
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# list of attributes
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klass = distutils.dist.Distribution
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# catching warnings
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warns = []
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def _warn(msg):
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warns.append(msg)
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old_warn = warnings.warn
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warnings.warn = _warn
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try:
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dist = klass(attrs={'author': 'xxx',
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'name': 'xxx',
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'version': 'xxx',
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'url': 'xxxx',
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'options': {}})
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finally:
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warnings.warn = old_warn
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self.assertEquals(len(warns), 0)
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class MetadataTestCase(support.TempdirManager, unittest.TestCase):
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def test_simple_metadata(self):
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attrs = {"name": "package",
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"version": "1.0"}
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dist = distutils.dist.Distribution(attrs)
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meta = self.format_metadata(dist)
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self.assert_("Metadata-Version: 1.0" in meta)
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self.assert_("provides:" not in meta.lower())
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self.assert_("requires:" not in meta.lower())
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self.assert_("obsoletes:" not in meta.lower())
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def test_provides(self):
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attrs = {"name": "package",
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"version": "1.0",
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"provides": ["package", "package.sub"]}
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dist = distutils.dist.Distribution(attrs)
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self.assertEqual(dist.metadata.get_provides(),
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["package", "package.sub"])
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self.assertEqual(dist.get_provides(),
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["package", "package.sub"])
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meta = self.format_metadata(dist)
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self.assert_("Metadata-Version: 1.1" in meta)
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self.assert_("requires:" not in meta.lower())
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self.assert_("obsoletes:" not in meta.lower())
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def test_provides_illegal(self):
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self.assertRaises(ValueError,
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distutils.dist.Distribution,
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{"name": "package",
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"version": "1.0",
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"provides": ["my.pkg (splat)"]})
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def test_requires(self):
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attrs = {"name": "package",
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"version": "1.0",
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"requires": ["other", "another (==1.0)"]}
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dist = distutils.dist.Distribution(attrs)
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self.assertEqual(dist.metadata.get_requires(),
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["other", "another (==1.0)"])
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self.assertEqual(dist.get_requires(),
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["other", "another (==1.0)"])
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meta = self.format_metadata(dist)
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self.assert_("Metadata-Version: 1.1" in meta)
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self.assert_("provides:" not in meta.lower())
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self.assert_("Requires: other" in meta)
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self.assert_("Requires: another (==1.0)" in meta)
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self.assert_("obsoletes:" not in meta.lower())
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def test_requires_illegal(self):
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self.assertRaises(ValueError,
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distutils.dist.Distribution,
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{"name": "package",
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"version": "1.0",
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"requires": ["my.pkg (splat)"]})
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def test_obsoletes(self):
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attrs = {"name": "package",
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"version": "1.0",
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"obsoletes": ["other", "another (<1.0)"]}
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dist = distutils.dist.Distribution(attrs)
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self.assertEqual(dist.metadata.get_obsoletes(),
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["other", "another (<1.0)"])
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self.assertEqual(dist.get_obsoletes(),
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["other", "another (<1.0)"])
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meta = self.format_metadata(dist)
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self.assert_("Metadata-Version: 1.1" in meta)
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self.assert_("provides:" not in meta.lower())
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self.assert_("requires:" not in meta.lower())
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self.assert_("Obsoletes: other" in meta)
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self.assert_("Obsoletes: another (<1.0)" in meta)
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def test_obsoletes_illegal(self):
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self.assertRaises(ValueError,
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distutils.dist.Distribution,
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{"name": "package",
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"version": "1.0",
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"obsoletes": ["my.pkg (splat)"]})
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def format_metadata(self, dist):
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sio = io.StringIO()
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dist.metadata.write_pkg_file(sio)
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return sio.getvalue()
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def test_custom_pydistutils(self):
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# fixes #2166
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# make sure pydistutils.cfg is found
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old = {}
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for env in ('HOME', 'HOMEPATH', 'HOMEDRIVE'):
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value = os.environ.get(env)
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old[env] = value
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if value is not None:
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del os.environ[env]
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if os.name == 'posix':
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user_filename = ".pydistutils.cfg"
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else:
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user_filename = "pydistutils.cfg"
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temp_dir = self.mkdtemp()
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user_filename = os.path.join(temp_dir, user_filename)
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f = open(user_filename, 'w')
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f.write('.')
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f.close()
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try:
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dist = distutils.dist.Distribution()
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# linux-style
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if sys.platform in ('linux', 'darwin'):
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os.environ['HOME'] = temp_dir
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files = dist.find_config_files()
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self.assert_(user_filename in files)
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# win32-style
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if sys.platform == 'win32':
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# home drive should be found
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os.environ['HOME'] = temp_dir
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files = dist.find_config_files()
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self.assert_(user_filename in files,
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'%r not found in %r' % (user_filename, files))
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finally:
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for key, value in old.items():
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if value is None:
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continue
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os.environ[key] = value
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os.remove(user_filename)
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def test_suite():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(DistributionTestCase))
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suite.addTest(unittest.makeSuite(MetadataTestCase))
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return suite
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if __name__ == "__main__":
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unittest.main(defaultTest="test_suite")
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