def wheel_from_metadata(location, metadata):
if not metadata.has_metadata(pkg_resources.DistInfoDistribution.PKG_INFO):
return None
from email.parser import Parser
pkg_info = Parser().parsestr(metadata.get_metadata(pkg_resources.DistInfoDistribution.PKG_INFO))
return pkg_resources.DistInfoDistribution(
location=location,
metadata=metadata,
# TODO(wickman) Is this necessary or will they get picked up correctly?
project_name=pkg_info.get('Name'),
version=pkg_info.get('Version'),
platform=None)
def distribution(self, location, metadata=None):
""" Get DistInfoDistribution for wheel """
info = self.distribution_info()
return pkg_resources.DistInfoDistribution(
location=location,
metadata=metadata,
project_name=info['name'],
version=info['ver'],
platform=info['plat'],
# trick buildout into believing this dist is a BINARY_DIS
# so it invokes our `_call_easy_install` override:
precedence=pkg_resources.BINARY_DIST,
)
def __init__(self, distribution=None, location=None, importer=None):
"""
Constructs the WheelDistribution
"""
if distribution is not None and location is not None:
raise self.Error("location and distribution cannot both be set")
if distribution is not None:
self.distribution = distribution
else:
# Construct the metadata provider
if self.is_wheel_archive(location):
importer = importer or zipimport.zipimporter(location)
metadata = WheelMetadata(importer)
else:
root = os.path.dirname(location)
metadata = pkg_resources.PathMetadata(root, location)
project_name, version, py_version, platform = [None] * 4
match = self.WHEEL_INFO_RE(os.path.basename(metadata.egg_info))
if match:
project_name, version, py_version, platform = match.group(
"name", "ver", "pyver", "plat"
)
py_version = py_version or sys.version_info[0]
self.distribution = pkg_resources.DistInfoDistribution(
location,
metadata,
project_name=project_name,
version=version,
py_version=py_version,
platform=platform,
)
# self.distribution.egg_info is the only reliable way to get the name.
# I'm not sure if egg_info is a public interface, but we already rely
# on it for WheelMetadata.
wheel_info = os.path.basename(self.distribution.egg_info)
parsed_filename = self.WHEEL_INFO_RE(wheel_info)
if parsed_filename is None:
raise self.Error("Bad wheel '%s'" % wheel_info)
self.name, self.ver, self.namever = parsed_filename.group(
"name", "ver", "namever"
)
dist=pkg_resources.Distribution(
location='/path/to/dist',
project_name='crunchy-frog',
version="0.1",
py_version=None,
platform=None,
),
expected_path='/path/to/dist/crunchy_frog-0.1.egg/EGG-INFO/PKG-INFO'),
DistTestCase(
description='''
Create a short dist info name
''',
dist=pkg_resources.DistInfoDistribution(
location='/path/to/dist',
project_name='crunchy-frog',
version="0.1",
py_version=None,
platform=None,
),
expected_path='/path/to/dist/crunchy_frog-0.1.dist-info/METADATA'),
)
@ddt
class TestPackageTools(unittest.TestCase):
def test_get_local_funding_metadata_from_name(self):
package_name = u'mosw'
project_funding_url = ptools.get_local_funding_metadata(package_name)
self.assertEqual(project_funding_url,
'http://ministry-of-silly-walks.python/fundme')
