def METHOD_NAME():
    """
    Parse command line arguments to this tool
    """
    parser = argparse.ArgumentParser(
                        description="Generate a macaroon for authorized transfers")
    parser.add_argument("url", metavar="URL",
                        help="URL to generate macaroon for.")
    parser.add_argument("--activity", nargs="+", help="Activity for authorization (LIST,"
                        "DOWNLOAD,UPLOAD, etc)")
    parser.add_argument("--validity", type=int, default=10, help="Time,"
                        "in minutes, the resulting macaroon should be valid.",
                        required=False)
    return parser.METHOD_NAME()