Method attach_subcommand

cmd2/cmd2.py:1199–1220

Attach a parser as a subcommand to a command at the specified path. :param command: full command path (space-delimited) leading to the parser that will host the new subcommand (e.g. 'foo bar') :param subcommand: name of the new subcommand :param subco

(
        self,
        command: str,
        subcommand: str,
        subcommand_parser: Cmd2ArgumentParser,
        **add_parser_kwargs: Any,
    )

        return root_parser, subcommand_path

    def attach_subcommand(
        self,
        command: str,
        subcommand: str,
        subcommand_parser: Cmd2ArgumentParser,
        **add_parser_kwargs: Any,
    ) -> None:
        """Attach a parser as a subcommand to a command at the specified path.

        :param command: full command path (space-delimited) leading to the parser that will
                        host the new subcommand (e.g. 'foo bar')
        :param subcommand: name of the new subcommand
        :param subcommand_parser: the parser to attach
        :param add_parser_kwargs: additional arguments for the subparser registration (e.g. help, aliases)
        :raises TypeError: if subcommand_parser is not an instance of the following or their subclasses:
                           1. Cmd2ArgumentParser
                           2. The parser_class configured for the target subcommand group
        :raises ValueError: if the command path is invalid, doesn't support subcommands, or the
                            subcommand already exists
        """
        root_parser, subcommand_path = self.get_root_parser_and_subcmd_path(command)
        root_parser.attach_subcommand(subcommand_path, subcommand, subcommand_parser, **add_parser_kwargs)

    def detach_subcommand(self, command: str, subcommand: str) -> Cmd2ArgumentParser:
        """Detach a subcommand from a command at the specified path.