o ÙtBhéã@sHddlZddlZddlZddlmZdd„Zdd„ZGdd„deƒZdS) éN)ÚCommonChecksumcCstjj ||t|ƒ¡S)aYUpdate an existing CRC checksum with new chunk of data. Args crc (int): An existing CRC check sum. chunk (Union[bytes, List[int], Tuple[int]]): A new chunk of data. Intended to be a byte string or similar. Returns int: New CRC checksum computed by extending existing CRC with ``chunk``. )Ú google_crc32cÚ _crc32c_cffiÚlibÚ crc32c_extendÚlen)ÚcrcÚchunk©r úi/var/www/html/riverr-enterprise-integrations-main/venv/lib/python3.10/site-packages/google_crc32c/cffi.pyÚextends r cCstjj |t|ƒ¡S)züCompute a CRC checksum for a chunk of data. Args chunk (Union[bytes, List[int], Tuple[int]]): A new chunk of data. Intended to be a byte string or similar. Returns int: New CRC checksum computed for ``chunk``. )rrrÚ crc32c_valuer)r r r r Úvalue's rc@s&eZdZdZdZd dd„Zdd„ZdS) ÚChecksumzÈHashlib-alike helper for CRC32C operations. Args: initial_value (Optional[bytes]): the initial chunk of data from which the CRC32C checksum is computed. Defaults to b''. )Ú_crcócCst|ƒ|_dS)N)rr)ÚselfÚ initial_valuer r r Ú__init__>szChecksum.__init__cCst|j|ƒ|_dS)z®Update the checksum with a new chunk of data. Args: chunk (Optional[bytes]): a chunk of data used to extend the CRC32C checksum. N)r r)rr r r r ÚupdateAszChecksum.updateN)r)Ú__name__Ú __module__Ú __qualname__Ú__doc__Ú __slots__rrr r r r r4s   r) ÚstructÚgoogle_crc32c.__config__rÚgoogle_crc32c._crc32c_cffiÚgoogle_crc32c._checksumrr rrr r r r Ús