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