Method hasparent

lib/sqlalchemy/orm/dependency.py:61–67

return True if the given object instance has a parent, according to the ``InstrumentedAttribute`` handled by this ``DependencyProcessor``.

(self, state)

        return _direction_to_processor[prop.direction](prop)

    def hasparent(self, state):
        """return True if the given object instance has a parent,
        according to the ``InstrumentedAttribute`` handled by this
        ``DependencyProcessor``.

        """
        return self.parent.class_manager.get_impl(self.key).hasparent(state)

    def per_property_preprocessors(self, uow):
        """establish actions and dependencies related to a flush.