import boto3 import os def on_event(event, context): print(event) request_type = event['RequestType'] if request_type == 'Create': return on_create(event) if request_type == 'Update': return on_update(event) if request_type == 'Delete': return on_delete(event) raise Exception("Invalid request type: %s" % request_type) def on_create(event): print("Nothing to do on Create") def on_update(event): print("Nothing to do on Update") def on_delete(event): bucket = boto3.resource('s3').Bucket(os.environ["BucketName"]) bucket.objects.all().delete()