# Kinesis Aggregation/Deaggregation Libraries for Python
#
# Copyright 2014, Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Amazon Software License (the "License").
# You may not use this file except in compliance with the License.
# A copy of the License is located at
#
# http://aws.amazon.com/asl/
#
# or in the "license" file accompanying this file. This file is distributed
# on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
# express or implied. See the License for the specific language governing
# permissions and limitations under the License.

import hashlib

# Message aggregation protocol-specific constants
# (https://github.com/awslabs/amazon-kinesis-producer/blob/master/aggregation-format.md)
MAGIC = b'\xf3\x89\x9a\xc2'
DIGEST_SIZE = hashlib.md5().digest_size

# Kinesis Limits
# (https://docs.aws.amazon.com/kinesis/latest/APIReference/API_PutRecord.html)
MAX_BYTES_PER_RECORD = 1024 * 1024  # 1 MB
