Method get_subparsers_action

cmd2/argparse_utils.py:660–670

Get the _SubParsersAction for this parser if it exists. :return: the _SubParsersAction for this parser :raises ValueError: if this parser does not support subcommands

(self)

            super().print_help(file)

    def get_subparsers_action(self) -> "argparse._SubParsersAction[Cmd2ArgumentParser]":
        """Get the _SubParsersAction for this parser if it exists.

        :return: the _SubParsersAction for this parser
        :raises ValueError: if this parser does not support subcommands
        """
        if self._subparsers is not None:
            for action in self._subparsers._group_actions:
                if isinstance(action, argparse._SubParsersAction):
                    return action
        raise ValueError(f"Command '{self.prog}' does not support subcommands")

    def _build_subparsers_prog_prefix(self, positionals: list[argparse.Action]) -> str:
        """Build the 'prog' prefix for a subparsers action.