You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.3 KiB
76 lines
2.3 KiB
import io
|
|
import os
|
|
import tarfile
|
|
import zipfile
|
|
|
|
from .distribution import Distribution
|
|
|
|
class SDist(Distribution):
|
|
|
|
def __init__(self, filename, metadata_version=None):
|
|
self.filename = filename
|
|
self.metadata_version = metadata_version
|
|
self.extractMetadata()
|
|
|
|
@classmethod
|
|
def _get_archive(cls, fqn):
|
|
if not os.path.exists(fqn):
|
|
raise ValueError('No such file: %s' % fqn)
|
|
|
|
if fqn.endswith('.zip'):
|
|
archive = zipfile.ZipFile(fqn)
|
|
names = archive.namelist()
|
|
def read_file(name):
|
|
return archive.read(name)
|
|
elif fqn.endswith('gz') or fqn.endswith('bz2'):
|
|
archive = tarfile.TarFile.open(fqn)
|
|
names = archive.getnames()
|
|
def read_file(name):
|
|
return archive.extractfile(name).read()
|
|
else:
|
|
raise ValueError('Not a known archive format: %s' % fqn)
|
|
|
|
return archive, names, read_file
|
|
|
|
|
|
def read(self):
|
|
fqn = os.path.abspath(
|
|
os.path.normpath(self.filename))
|
|
|
|
archive, names, read_file = self._get_archive(fqn)
|
|
|
|
try:
|
|
tuples = [x.split('/') for x in names if 'PKG-INFO' in x]
|
|
schwarz = sorted([(len(x), x) for x in tuples])
|
|
for path in [x[1] for x in schwarz]:
|
|
candidate = '/'.join(path)
|
|
data = read_file(candidate)
|
|
if b'Metadata-Version' in data:
|
|
return data
|
|
finally:
|
|
archive.close()
|
|
|
|
raise ValueError('No PKG-INFO in archive: %s' % fqn)
|
|
|
|
|
|
class UnpackedSDist(SDist):
|
|
def __init__(self, filename, metadata_version=None):
|
|
if os.path.isdir(filename):
|
|
pass
|
|
elif os.path.isfile(filename):
|
|
filename = os.path.dirname(filename)
|
|
else:
|
|
raise ValueError('No such file: %s' % filename)
|
|
|
|
super(UnpackedSDist, self).__init__(
|
|
filename, metadata_version=metadata_version)
|
|
|
|
def read(self):
|
|
try:
|
|
pkg_info = os.path.join(self.filename, 'PKG-INFO')
|
|
with io.open(pkg_info, errors='ignore') as f:
|
|
return f.read()
|
|
except Exception as e:
|
|
raise ValueError('Could not load %s as an unpacked sdist: %s'
|
|
% (self.filename, e))
|