| 388 | |
| 389 | |
| 390 | class LoadableBase(cmd2.CommandSet): |
| 391 | def __init__(self, dummy) -> None: |
| 392 | super().__init__() |
| 393 | self._dummy = dummy # prevents autoload |
| 394 | self._cut_called = False |
| 395 | |
| 396 | cut_parser = cmd2.Cmd2ArgumentParser() |
| 397 | cut_subparsers = cut_parser.add_subparsers(title="item", help="item to cut") |
| 398 | |
| 399 | def namespace_provider(self) -> argparse.Namespace: |
| 400 | ns = argparse.Namespace() |
| 401 | ns.cut_called = self._cut_called |
| 402 | return ns |
| 403 | |
| 404 | @cmd2.with_argparser(cut_parser) |
| 405 | def do_cut(self, ns: argparse.Namespace) -> None: |
| 406 | """Cut something""" |
| 407 | handler = ns.cmd2_subcmd_handler |
| 408 | if handler is not None: |
| 409 | # Call whatever subcommand function was selected |
| 410 | handler(ns) |
| 411 | self._cut_called = True |
| 412 | else: |
| 413 | # No subcommand was provided, so call help |
| 414 | self._cmd.pwarning("This command does nothing without sub-parsers registered") |
| 415 | self._cmd.do_help("cut") |
| 416 | |
| 417 | stir_parser = cmd2.Cmd2ArgumentParser() |
| 418 | stir_subparsers = stir_parser.add_subparsers(title="item", help="what to stir") |
| 419 | |
| 420 | @cmd2.with_argparser(stir_parser, ns_provider=namespace_provider) |
| 421 | def do_stir(self, ns: argparse.Namespace) -> None: |
| 422 | """Stir something""" |
| 423 | if not ns.cut_called: |
| 424 | self._cmd.poutput("Need to cut before stirring") |
| 425 | return |
| 426 | |
| 427 | handler = ns.cmd2_subcmd_handler |
| 428 | if handler is not None: |
| 429 | # Call whatever subcommand function was selected |
| 430 | handler(ns) |
| 431 | else: |
| 432 | # No subcommand was provided, so call help |
| 433 | self._cmd.pwarning("This command does nothing without sub-parsers registered") |
| 434 | self._cmd.do_help("stir") |
| 435 | |
| 436 | stir_pasta_parser = cmd2.Cmd2ArgumentParser() |
| 437 | stir_pasta_parser.add_argument("--option", "-o") |
| 438 | stir_pasta_parser.add_subparsers(title="style", help="Stir style") |
| 439 | |
| 440 | @cmd2.as_subcommand_to("stir", "pasta", stir_pasta_parser) |
| 441 | def stir_pasta(self, ns: argparse.Namespace) -> None: |
| 442 | handler = ns.cmd2_subcmd_handler |
| 443 | if handler is not None: |
| 444 | # Call whatever subcommand function was selected |
| 445 | handler(ns) |
| 446 | else: |
| 447 | self._cmd.poutput("Stir pasta haphazardly") |
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