本文整理匯總了Python中pkg_resources.Distribution.from_location方法的典型用法代碼示例。如果您正苦於以下問題：Python Distribution.from_location方法的具體用法？Python Distribution.from_location怎麽用？Python Distribution.from_location使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類pkg_resources.Distribution的用法示例。
在下文中一共展示了Distribution.from_location方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _convert_metadata
# 需要導入模塊: from pkg_resources import Distribution [as 別名]
# 或者: from pkg_resources.Distribution import from_location [as 別名]
def _convert_metadata(zf, destination_eggdir, dist_info, egg_info):
def get_metadata(name):
with zf.open(posixpath.join(dist_info, name)) as fp:
value = fp.read().decode('utf-8') if PY3 else fp.read()
return email.parser.Parser().parsestr(value)
wheel_metadata = get_metadata('WHEEL')
# Check wheel format version is supported.
wheel_version = parse_version(wheel_metadata.get('Wheel-Version'))
wheel_v1 = (
parse_version('1.0') <= wheel_version < parse_version('2.0dev0')
)
if not wheel_v1:
raise ValueError(
'unsupported wheel format version: %s' % wheel_version)
# Extract to target directory.
os.mkdir(destination_eggdir)
zf.extractall(destination_eggdir)
# Convert metadata.
dist_info = os.path.join(destination_eggdir, dist_info)
dist = Distribution.from_location(
destination_eggdir, dist_info,
metadata=PathMetadata(destination_eggdir, dist_info),
)
# Note: Evaluate and strip markers now,
# as it's difficult to convert back from the syntax:
# foobar; "linux" in sys_platform and extra == 'test'
def raw_req(req):
req.marker = None
return str(req)
install_requires = list(sorted(map(raw_req, dist.requires())))
extras_require = {
extra: sorted(
req
for req in map(raw_req, dist.requires((extra,)))
if req not in install_requires
)
for extra in dist.extras
}
os.rename(dist_info, egg_info)
os.rename(
os.path.join(egg_info, 'METADATA'),
os.path.join(egg_info, 'PKG-INFO'),
)
setup_dist = SetuptoolsDistribution(
attrs=dict(
install_requires=install_requires,
extras_require=extras_require,
),
)
write_requirements(
setup_dist.get_command_obj('egg_info'),
None,
os.path.join(egg_info, 'requires.txt'),
)