Best Python code snippet using localstack_python
dynamodbstreams_api.py
Source:dynamodbstreams_api.py
...74 return error_response('Requested resource not found', error_type='ResourceNotFoundException')75 elif action == '%s.GetShardIterator' % ACTION_HEADER_PREFIX:76 # forward request to Kinesis API77 stream_name = stream_name_from_stream_arn(data['StreamArn'])78 stream_shard_id = kinesis_shard_id(data['ShardId'])79 result = kinesis.get_shard_iterator(StreamName=stream_name,80 ShardId=stream_shard_id, ShardIteratorType=data['ShardIteratorType'])81 elif action == '%s.GetRecords' % ACTION_HEADER_PREFIX:82 kinesis_records = kinesis.get_records(**data)83 result = {'Records': []}84 for record in kinesis_records['Records']:85 result['Records'].append(json.loads(to_str(record['Data'])))86 else:87 print('WARNING: Unknown operation "%s"' % action)88 return jsonify(result)89# -----------------90# HELPER FUNCTIONS91# -----------------92def error_response(message=None, error_type=None, code=400):93 if not message:94 message = 'Unknown error'95 if not error_type:96 error_type = 'UnknownError'97 if 'com.amazonaws.dynamodb' not in error_type:98 error_type = 'com.amazonaws.dynamodb.v20120810#%s' % error_type99 content = {100 'message': message,101 '__type': error_type102 }103 return make_response(jsonify(content), code)104def get_kinesis_stream_name(table_name):105 return DDB_KINESIS_STREAM_NAME_PREFIX + table_name106def table_name_from_stream_arn(stream_arn):107 return stream_arn.split(':table/')[1].split('/')[0]108def stream_name_from_stream_arn(stream_arn):109 table_name = table_name_from_stream_arn(stream_arn)110 return get_kinesis_stream_name(table_name)111def random_id(stream_arn, kinesis_shard_id):112 namespace = uuid.UUID(bytes=hashlib.sha1(stream_arn.encode('utf-8')).digest()[:16])113 return uuid.uuid5(namespace, kinesis_shard_id.encode('utf-8')).hex114def shard_id(stream_arn, kinesis_shard_id):115 return '-'.join([kinesis_shard_id, random_id(stream_arn, kinesis_shard_id)])116def kinesis_shard_id(dynamodbstream_shard_id):117 return dynamodbstream_shard_id.rsplit('-', 1)[0]118def serve(port, quiet=True):...
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