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- """Tools for reading and writing PKG-INFO / METADATA without caring
- about the encoding."""
- from email.parser import Parser
- try:
- unicode
- _PY3 = False
- except NameError:
- _PY3 = True
- if not _PY3:
- from email.generator import Generator
- def read_pkg_info_bytes(bytestr):
- return Parser().parsestr(bytestr)
- def read_pkg_info(path):
- with open(path, "r") as headers:
- message = Parser().parse(headers)
- return message
- def write_pkg_info(path, message):
- with open(path, 'w') as metadata:
- Generator(metadata, mangle_from_=False, maxheaderlen=0).flatten(message)
- else:
- from email.generator import BytesGenerator
- def read_pkg_info_bytes(bytestr):
- headers = bytestr.decode(encoding="ascii", errors="surrogateescape")
- message = Parser().parsestr(headers)
- return message
- def read_pkg_info(path):
- with open(path, "r",
- encoding="ascii",
- errors="surrogateescape") as headers:
- message = Parser().parse(headers)
- return message
- def write_pkg_info(path, message):
- with open(path, "wb") as out:
- BytesGenerator(out, mangle_from_=False, maxheaderlen=0).flatten(message)
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