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"""Test .dist-info style distributions.
"""
import os, shutil, tempfile, unittest
import pkg_resources
from pkg_resources import Requirement
class TestDistInfo(unittest.TestCase):
def test_distinfo(self):
dists = {}
for d in pkg_resources.find_distributions(self.tmpdir):
dists[d.project_name] = d
unversioned = dists['UnversionedDistribution']
versioned = dists['VersionedDistribution']
assert versioned.version == '2.718' # from filename
assert unversioned.version == '0.3' # from METADATA
requires = [Requirement.parse('splort==4'),
Requirement.parse('quux>=1.1')]
for d in (unversioned, versioned):
self.assertEquals(d.requires(), requires[:1])
self.assertEquals(d.requires(extras=('baz',)), requires)
self.assertEquals(d.extras, ['baz'])
def setUp(self):
self.tmpdir = tempfile.mkdtemp()
versioned = os.path.join(self.tmpdir,
'VersionedDistribution-2.718.dist-info')
os.mkdir(versioned)
open(os.path.join(versioned, 'METADATA'), 'w+').write(
"""Metadata-Version: 1.2
Name: VersionedDistribution
Requires-Dist: splort (4)
Provides-Extra: baz
Requires-Dist: quux (>=1.1); extra == 'baz'
""")
unversioned = os.path.join(self.tmpdir,
'UnversionedDistribution.dist-info')
os.mkdir(unversioned)
open(os.path.join(unversioned, 'METADATA'), 'w+').write(
"""Metadata-Version: 1.2
Name: UnversionedDistribution
Version: 0.3
Requires-Dist: splort (==4)
Provides-Extra: baz
Requires-Dist: quux (>=1.1); extra == 'baz'
""")
def tearDown(self):
shutil.rmtree(self.tmpdir)
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