s dZddlmZddlmZddlmZddlZddlmZddl m Z ddl m Z d Z e fd Zejej ej"d Zd Zd Zy)zHelpers for digesting a file.)absolute_import)division)unicode_literalsN)base) exceptions)filesi@c#>K |j|}|sy|w)N)read)file_ chunk_sizechunks 0lib/googlecloudsdk/command_lib/kms/get_digest.py _ChunkReaderrs' JJz "E  K s)sha256sha384sha512cptj|5}t||cdddS#1swYyxYw)aDigest the file at filename based on digest_algorithm. Args: digest_algorithm: The algorithm used to digest the file, can be one of 'sha256', 'sha384', or 'sha512'. filename: A valid file path over which a digest will be calculated. Returns: The digest of the provided file. Raises: InvalidArgumentException: The provided digest_algorithm is invalid. N)rBinaryFileReaderGetDigestOfFile)digest_algorithmfilenamefs r GetDigestr-s+ h'1 +Q /(''s ,5ctj}tj|}|st j dd|}t |D]}|j|||ji}|jdi|S)a_Digest the file_to_digest based on digest_algorithm. Args: digest_algorithm: The algorithm used to digest the file, can be one of 'sha256', 'sha384', or 'sha512'. file_to_digest: A valid file handle. Returns: The digest of the provided file. Raises: InvalidArgumentException: The provided digest_algorithm is invalid. digestzdigest_algorithm is invalid.) cloudkms_baseGetMessagesModule_DIGEST_ALGORITHMSgetrInvalidArgumentExceptionrupdaterDigest)rfile_to_digestmessages algorithmrr kwargss rrr?s , , .( $$%56)   - -h.L NN ;&N+e MM%, fmmo .&  "6 "")__doc__ __future__rrrhashlibgooglecloudsdk.api_lib.cloudkmsrrgooglecloudsdk.calliopergooglecloudsdk.core.utilr _READ_SIZErrrrrrrrr(rr0sW$&'A.*  $.nnnnnn0$#r(