hL *ddlZGddeZdS)Nc<eZdZdZdZd dZdZdZdZdZ d Z d S) 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''. cNd|_|dkr||dSdS)Nrr)_crcupdate)self initial_values [/var/www/html/e360mart/e360mart_env/lib/python3.11/site-packages/google_crc32c/_checksum.py__init__zCommonChecksum.__init__s4 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. )NotImplemented)r datas r r zCommonChecksum.update"src6tjd|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+++rc\d|jdS)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& ty))00999rcF|}|j|_|S)zvCreate another checksum with the same CRC32C value. Returns: Checksum: the new instance. ) __class__r)r clones r copyzCommonChecksum.copy=s!   Y  rc#nK ||}|sdS|||V3)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. TN)readr )r stream chunksizechunks r consumezCommonChecksum.consumeGsI KK **E  KK   KKK  rN)r) __name__ __module__ __qualname____doc__ __slots__r r rrrr$rrr rrsI'''' ,,,:::rr)robjectrrrr r+sN EEEEEVEEEEEr