Method is_required

pydantic/fields.py:746–752

Check if the field is required (i.e., does not have a default value or factory). Returns: `True` if the field is required, `False` otherwise.

(self)

        )

    def is_required(self) -> bool:
        """Check if the field is required (i.e., does not have a default value or factory).

        Returns:
            `True` if the field is required, `False` otherwise.
        """
        return self.default is PydanticUndefined and self.default_factory is None

    def rebuild_annotation(self) -> Any:
        """Attempts to rebuild the original annotation for use in function signatures.