demo.py

"""
Amazon-provided demo.
"""

import os
import os.path


def lambda_handler(event, context): # pylint: disable=unused-argument
    """Sample pure Lambda function

    Parameters
    ----------
    event: dict, required
        API Gateway Lambda Proxy Input Format

        Event doc: https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html#api-gateway-simple-proxy-for-lambda-input-format

    context: object, required
        Lambda Context runtime methods and attributes

        Context doc: https://docs.aws.amazon.com/lambda/latest/dg/python-context-object.html

    Returns
    ------
    API Gateway Lambda Proxy Output Format: dict

        Return doc: https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html
    """

    return {
        "statusCode": 200,
        "body": os.getcwd() + ":\n\n" + "\n".join(os.listdir(".")) + "\n\n\napp:\n" + "\n".join(os.listdir("app"))
    }