Method setup_instance

lib/sqlalchemy/orm/instrumentation.py:504–509

(
        self, instance: _O, state: Optional[InstanceState[_O]] = None
    )

        return instance

    def setup_instance(
        self, instance: _O, state: Optional[InstanceState[_O]] = None
    ) -> None:
        if state is None:
            state = self._state_constructor(instance, self)
        self._state_setter(instance, state)

    def teardown_instance(self, instance: _O) -> None:
        delattr(instance, self.STATE_ATTR)