def read_pkg_file(self, file):
"""Reads the metadata values from a file object."""
msg = message_from_file(file)
self.metadata_version = version.Version(msg['metadata-version'])
self.name = _read_field_from_msg(msg, 'name')
self.version = _read_field_from_msg(msg, 'version')
self.description = _read_field_from_msg(msg, 'summary')
# we are filling author only.
self.author = _read_field_from_msg(msg, 'author')
self.maintainer = None
self.author_email = _read_field_from_msg(msg, 'author-email')
self.maintainer_email = None
self.url = _read_field_from_msg(msg, 'home-page')
self.license = _read_field_unescaped_from_msg(msg, 'license')
if 'download-url' in msg:
self.download_url = _read_field_from_msg(msg, 'download-url')
else:
self.download_url = None
self.long_description = _read_field_unescaped_from_msg(msg, 'description')
if (
self.long_description is None and
self.metadata_version >= version.Version('2.1')
):
self.long_description = _read_payload_from_msg(msg)
self.description = _read_field_from_msg(msg, 'summary')
if 'keywords' in msg:
self.keywords = _read_field_from_msg(msg, 'keywords').split(',')
self.platforms = _read_list_from_msg(msg, 'platform')
self.classifiers = _read_list_from_msg(msg, 'classifier')
# PEP 314 - these fields only exist in 1.1
if self.metadata_version == version.Version('1.1'):
self.requires = _read_list_from_msg(msg, 'requires')
self.provides = _read_list_from_msg(msg, 'provides')
self.obsoletes = _read_list_from_msg(msg, 'obsoletes')
else:
self.requires = None
self.provides = None
self.obsoletes = None
self.license_files = _read_list_from_msg(msg, 'license-file')
def testRequire(self):
req = Require('Json', '1.0.3', 'json')
assert req.name == 'Json'
assert req.module == 'json'
assert req.requested_version == version.Version('1.0.3')
assert req.attribute == '__version__'
assert req.full_name() == 'Json-1.0.3'
from json import __version__
assert str(req.get_version()) == __version__
assert req.version_ok('1.0.9')
assert not req.version_ok('0.9.1')
assert not req.version_ok('unknown')
assert req.is_present()
assert req.is_current()
req = Require('Do-what-I-mean', '1.0', 'd-w-i-m')
assert not req.is_present()
assert not req.is_current()
def get_metadata_version(self):
mv = getattr(self, 'metadata_version', None)
if mv is None:
mv = version.Version('2.1')
self.metadata_version = mv
return mv