Class SubcmdApp

tests/test_cmd2.py:4524–4533

    import argparse

    class SubcmdApp(cmd2.Cmd):
        def __init__(self) -> None:
            super().__init__()

        root_parser = cmd2.Cmd2ArgumentParser()
        root_parser.add_subparsers()

        @cmd2.with_argparser(root_parser)
        def do_root(self, _args: argparse.Namespace) -> None:
            pass

    app = SubcmdApp()