62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
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import os
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import re
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import zipfile
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from typing import Optional
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from pkginfo 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.Distribution):
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def __init__(self, filename: str, metadata_version: Optional[str] = None) -> 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) -> str:
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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) -> bytes:
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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("No such file: %s" % fqn)
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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: str) -> bytes:
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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 for file: %s" % fqn
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)
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try:
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tuples = [
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x.split("/")
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for x in names
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if x.endswith(".egg-info") or x.endswith("PKG-INFO")
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]
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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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