Method set_parent

lib/sqlalchemy/orm/interfaces.py:538–545

Set the parent mapper that references this MapperProperty. This method is overridden by some subclasses to perform extra setup when the mapper is first known.

(self, parent: Mapper[Any], init: bool)

        return iter(())

    def set_parent(self, parent: Mapper[Any], init: bool) -> None:
        """Set the parent mapper that references this MapperProperty.

        This method is overridden by some subclasses to perform extra
        setup when the mapper is first known.

        """
        self.parent = parent

    def instrument_class(self, mapper: Mapper[Any]) -> None:
        """Hook called by the Mapper to the property to initiate