from aws_lambda_powertools import Logger, Tracer from aws_lambda_powertools.utilities.batch import ( BatchProcessor, EventType, process_partial_response, ) from aws_lambda_powertools.utilities.parser import BaseModel from aws_lambda_powertools.utilities.parser.models import ( KinesisDataStreamRecord, KinesisDataStreamRecordPayload, ) from aws_lambda_powertools.utilities.parser.types import Json from aws_lambda_powertools.utilities.typing import LambdaContext class Order(BaseModel): item: dict class OrderKinesisPayloadRecord(KinesisDataStreamRecordPayload): # type: ignore[override] data: Json[Order] class OrderKinesisRecord(KinesisDataStreamRecord): # type: ignore[override] kinesis: OrderKinesisPayloadRecord processor = BatchProcessor(event_type=EventType.KinesisDataStreams, model=OrderKinesisRecord) tracer = Tracer() logger = Logger() @tracer.capture_method def record_handler(record: OrderKinesisRecord): logger.info(record.kinesis.data.item) return record.kinesis.data.item @logger.inject_lambda_context @tracer.capture_lambda_handler def lambda_handler(event, context: LambdaContext): return process_partial_response(event=event, record_handler=record_handler, processor=processor, context=context)