Gregory P. Smith <g...@krypto.org> added the comment:
it depends on the build. USE_ZLIB_CRC32 causes it due to zlib's 32-bitness as noted my marko. $ ./python Python 3.11.0a6+ (heads/main-dirty:b3f2d4c8ba, Mar 19 2022, 15:32:04) [GCC 9.4.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import binascii, zlib >>> bigdata=memoryview(bytearray((1<<32) + 100)) >>> >>> print(binascii.crc32(bigdata)) 2575877834 >>> crc = binascii.crc32(bigdata[:1000]) >>> crc = binascii.crc32(bigdata[1000:], crc) >>> print(crc) 2838121701 >>> >>> print(zlib.crc32(bigdata)) 2838121701 >>> crc = zlib.crc32(bigdata[:1000]) >>> crc = zlib.crc32(bigdata[1000:], crc) >>> print(crc) 2838121701 >>> ---------- resolution: works for me -> stage: resolved -> needs patch status: closed -> open title: binascii.crc32 is not 64-bit clean -> binascii.crc32 is not 64-bit clean when USE_ZLIB_CRC32 versions: +Python 3.10, Python 3.11, Python 3.8, Python 3.9 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue38256> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
