How to use the waitress.adjustments.Adjustments.parse_args function in waitress

def parse(self, argv):
        from waitress.adjustments import Adjustments

        return Adjustments.parse_args(argv)

def run(argv=sys.argv, _serve=serve):
    """Command line runner."""
    name = os.path.basename(argv[0])

    try:
        kw, args = Adjustments.parse_args(argv[1:])
    except getopt.GetoptError as exc:
        show_help(sys.stderr, name, str(exc))
        return 1

    if kw["help"]:
        show_help(sys.stdout, name)
        return 0

    if len(args) != 1:
        show_help(sys.stderr, name, "Specify one application only")
        return 1

    try:
        module, obj_name = match(args[0])
    except ValueError as exc:
        show_help(sys.stderr, name, str(exc))

def run(argv=sys.argv, _serve=serve):
    """Command line runner."""
    name = os.path.basename(argv[0])

    try:
        kw, args = Adjustments.parse_args(argv[1:])
    except getopt.GetoptError as exc:
        show_help(sys.stderr, name, str(exc))
        return 1

    if kw['help']:
        show_help(sys.stdout, name)
        return 0

    if len(args) != 1:
        show_help(sys.stderr, name, 'Specify one application only')
        return 1

    try:
        module, obj_name = match(args[0])
    except ValueError as exc:
        show_help(sys.stderr, name, str(exc))