Method parse_known_args

traitlets/config/loader.py:783–790

(  # type:ignore[override]
        self, args: t.Sequence[str] | None = None, namespace: argparse.Namespace | None = None
    )

    """subclass of ArgumentParser where any --Class.trait option is implicitly defined"""

    def parse_known_args(  # type:ignore[override]
        self, args: t.Sequence[str] | None = None, namespace: argparse.Namespace | None = None
    ) -> tuple[argparse.Namespace | None, list[str]]:
        # must be done immediately prior to parsing because if we do it in init,
        # registration of explicit actions via parser.add_option will fail during setup
        for container in (self, self._optionals):
            container._option_string_actions = _DefaultOptionDict(container._option_string_actions)
        return super().parse_known_args(args, namespace)


# type aliases