Method _identity_key_from_state

lib/sqlalchemy/orm/mapper.py:3479–3495

(
        self,
        state: InstanceState[_O],
        passive: PassiveFlag = PassiveFlag.PASSIVE_RETURN_NO_VALUE,
    )

        return self._identity_key_from_state(state, PassiveFlag.PASSIVE_OFF)

    def _identity_key_from_state(
        self,
        state: InstanceState[_O],
        passive: PassiveFlag = PassiveFlag.PASSIVE_RETURN_NO_VALUE,
    ) -> _IdentityKeyType[_O]:
        dict_ = state.dict
        manager = state.manager
        return (
            self._identity_class,
            tuple(
                [
                    manager[prop.key].impl.get(state, dict_, passive)
                    for prop in self._identity_key_props
                ]
            ),
            state.identity_token,
        )

    def primary_key_from_instance(self, instance: _O) -> Tuple[Any, ...]:
        """Return the list of primary key values for the given