Method from_dict

cmd2/parsing.py:230–244

Restore a Statement from a dictionary. :param source_dict: source data dictionary (generated using to_dict()) :return: Statement object

(cls, source_dict: dict[str, Any])

    @classmethod
    def from_dict(cls, source_dict: dict[str, Any]) -> Self:
        """Restore a Statement from a dictionary.

        :param source_dict: source data dictionary (generated using to_dict())
        :return: Statement object
        """
        # value needs to be passed as a positional argument. It corresponds to the args field.
        try:
            value = source_dict["args"]
        except KeyError:
            raise KeyError("Statement dictionary is missing 'args' field") from None

        # Filter out 'args' so it isn't passed twice
        kwargs = {k: v for k, v in source_dict.items() if k != "args"}
        return cls(value, **kwargs)


@dataclass(frozen=True, slots=True)