s3 lambda_handler stub

import json

import boto3


s3 = boto3.client('s3')


def lambda_handler(event, context):
    # s3 trigger can have multiple records
    for record in event['Records']:
        bucket = record['s3']['bucket']['name']
        obj_key = record['s3']['object']['key']
        obj = s3.get_object(Bucket=bucket, Key=obj_key)
        body = obj['Body']
        print(body.read())