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60 lines
1.7 KiB
60 lines
1.7 KiB
5 years ago
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import os
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import re
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import zipfile
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from pkginfo.distribution import Distribution
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from twine import exceptions
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wininst_file_re = re.compile(r".*py(?P<pyver>\d+\.\d+)\.exe$")
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class WinInst(Distribution):
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def __init__(self, filename, metadata_version=None):
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self.filename = filename
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self.metadata_version = metadata_version
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self.extractMetadata()
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@property
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def py_version(self):
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m = wininst_file_re.match(self.filename)
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if m is None:
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return "any"
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else:
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return m.group("pyver")
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def read(self):
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fqn = os.path.abspath(os.path.normpath(self.filename))
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if not os.path.exists(fqn):
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raise exceptions.InvalidDistribution(
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'No such file: %s' % fqn
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)
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if fqn.endswith('.exe'):
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archive = zipfile.ZipFile(fqn)
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names = archive.namelist()
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def read_file(name):
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return archive.read(name)
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else:
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raise exceptions.InvalidDistribution(
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'Not a known archive format: %s' % fqn
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)
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try:
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tuples = [x.split('/') for x in names
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if x.endswith(".egg-info") or x.endswith("PKG-INFO")]
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schwarz = sorted([(len(x), x) for x in tuples])
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for path in [x[1] for x in schwarz]:
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candidate = '/'.join(path)
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data = read_file(candidate)
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if b'Metadata-Version' in data:
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return data
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finally:
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archive.close()
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raise exceptions.InvalidDistribution(
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'No PKG-INFO/.egg-info in archive: %s' % fqn
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)
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