Source code for twine.wininst
import os
import re
import zipfile
from typing import Optional
from pkginfo import distribution
from twine import exceptions
wininst_file_re = re.compile(r".*py(?P<pyver>\d+\.\d+)\.exe$")
[docs]class WinInst(distribution.Distribution):
[docs] def __init__(self, filename: str, metadata_version: Optional[str] = None) -> None:
self.filename = filename
self.metadata_version = metadata_version
self.extractMetadata()
@property
def py_version(self) -> str:
m = wininst_file_re.match(self.filename)
if m is None:
return "any"
else:
return m.group("pyver")
[docs] def read(self) -> bytes:
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: str) -> bytes:
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", "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
)