def arg_check()

in aws-iot-greengrass-for-beginners/alert/main.py [0:0]

• 31 lines of code
• 2 McCabe index (conditional complexity)

def arg_check():
    """
    argument check
    """
    global private_key_path, certtificate_path, root_ca_path, device_name, region

    parser = argparse.ArgumentParser()
    parser.add_argument(
        '-n',
        '--thing-name',
        action='store',
        required=True,
        dest='thing_name',
        help='Targeted thing name')
    parser.add_argument(
        '--region',
        action='store',
        dest='region',
        default='ap-northeast-1')
    parser.add_argument('-v', '--verbosity', choices=[x.name for x in LogLevel], default=LogLevel.NoLogs.name,
                        help='Logging level')

    args = parser.parse_args()

    log_level = getattr(io.LogLevel, args.verbosity, "error")
    io.init_logging(log_level, 'stderr')
    loglevel_map = [
        logging.INFO, logging.INFO, logging.INFO,
        logging.INFO, logging.INFO, logging.DEBUG,
        logging.DEBUG]
    logger.setLevel(loglevel_map[log_level])
    logging.basicConfig()

    private_key_path = find_cert_file("private.key")
    certtificate_path = find_cert_file("cert.pem")
    root_ca_path = find_cert_file("AmazonRootCA1.pem")
    device_name = args.thing_name
    region = args.region