Method __init__

tools/python-3.11.9-amd64/Lib/argparse.py:1109–1119

(self,
                 option_strings,
                 dest=SUPPRESS,
                 default=SUPPRESS,
                 help=None)

class _HelpAction(Action):

    def __init__(self,
                 option_strings,
                 dest=SUPPRESS,
                 default=SUPPRESS,
                 help=None):
        super(_HelpAction, self).__init__(
            option_strings=option_strings,
            dest=dest,
            default=default,
            nargs=0,
            help=help)

    def __call__(self, parser, namespace, values, option_string=None):
        parser.print_help()