def METHOD_NAME():
    """Parse command line arguments using argparse.
    """
    parser = argparse.ArgumentParser(description=DESCRIPTION)
    parser.add_argument(
        '-V', '--version',
        action='version',
        version='%(prog)s: v{} by {}'.format(__version__, __author__)
    )
    parser.add_argument(
        '--always-ok',
        help='Always returns OK.',
        dest='ALWAYS_OK',
        action='store_true',
        default=False,
    )
    parser.add_argument(
        '--insecure',
        help='This option explicitly allows to perform "insecure" SSL connections. '
             'Default: %(default)s',
        dest='INSECURE',
        action='store_true',
        default=DEFAULT_INSECURE,
    )
    parser.add_argument(
        '--no-proxy',
        help='Do not use a proxy. Default: %(default)s',
        dest='NO_PROXY',
        action='store_true',
        default=DEFAULT_NO_PROXY,
    )
    parser.add_argument(
        '--severity',
        help='Severity for alerting, order matters, first match on part of a channel name wins. '
             'Have a look at the README for details. Example: '
             '`--severity temp:high:crit --severity dew:low:crit --severity humi:ok '
             '--severity warn`. '
             'Repeating. Default: warn',
        dest='SEVERITY',
        action='append',
        default=None,
    )
    parser.add_argument(
        '--test',
        help='For unit tests. Needs "path-to-stdout-file,path-to-stderr-file,expected-retc".',
        dest='TEST',
        type=lib.args.csv,
    )
    parser.add_argument(
        '--timeout',
        help='Network timeout in seconds. Default: %(default)s (seconds)',
        dest='TIMEOUT',
        type=int,
        default=DEFAULT_TIMEOUT,
    )
    parser.add_argument(
        '-u', '--url',
        help='Comet system URL pointing to the JSON file (http://example.com/values.json).',
        dest='URL',
        required=True,
    )
    return parser.METHOD_NAME()