%9jO "ddlZGddeZy)Nc:eZdZdZdZd dZdZdZdZdZ dZ y ) CommonChecksumaHashlib-alike helper for CRC32C operations. This class should not be used directly and requires an update implementation. Args: initial_value (Optional[bytes]): the initial chunk of data from which the CRC32C checksum is computed. Defaults to b''. c@d|_|dk7r|j|yy)Nr)_crcupdate)self initial_values S/var/www/html/truck-me/venv/lib/python3.12/site-packages/google_crc32c/_checksum.py__init__zCommonChecksum.__init__s" C  KK & rct)zUpdate the checksum with a new chunk of data. Args: chunk (Optional[bytes]): a chunk of data used to extend the CRC32C checksum. )NotImplementedError)r datas r r zCommonChecksum.update"s "!rcBtjd|jS)zBig-endian order, per RFC 4960. See: https://cloud.google.com/storage/docs/json_api/v1/objects#crc32c Returns: bytes: An eight-byte digest string. z>L)structpackrr s r digestzCommonChecksum.digest+s{{4++rcVdj|jjdS)zLike :meth:`digest` except returns as a bytestring of double length. Returns bytes: A sixteen byte digest string, contaiing only hex digits. z{:08x}ascii)formatrencoders r hexdigestzCommonChecksum.hexdigest5s" tyy)0099rcH|j}|j|_|S)zvCreate another checksum with the same CRC32C value. Returns: Checksum: the new instance. ) __class__r)r clones r copyzCommonChecksum.copy=s  YY  rc#`K |j|}|sy|j||*w)a;Consume chunks from a stream, extending our CRC32 checksum. Args: stream (BinaryIO): the stream to consume. chunksize (int): the size of the read to perform Returns: Generator[bytes, None, None]: Iterable of the chunks read from the stream. N)readr )r stream chunksizechunks r consumezCommonChecksum.consumeGs5KK *E KK K s,.N)r) __name__ __module__ __qualname____doc__ __slots__r r rrrr$rrr rrs,I' ",:rr)robjectrrrr r+sEVEr