Method identity_key_from_primary_key

lib/sqlalchemy/orm/mapper.py:3488–3503

Return an identity-map key for use in storing/retrieving an item from an identity map. :param primary_key: A list of values indicating the identifier.

(
        self,
        primary_key: Tuple[Any, ...],
        identity_token: Optional[Any] = None,
    )

        )

    def identity_key_from_primary_key(
        self,
        primary_key: Tuple[Any, ...],
        identity_token: Optional[Any] = None,
    ) -> _IdentityKeyType[_O]:
        """Return an identity-map key for use in storing/retrieving an
        item from an identity map.

        :param primary_key: A list of values indicating the identifier.

        """
        return (
            self._identity_class,
            tuple(primary_key),
            identity_token,
        )

    def identity_key_from_instance(self, instance: _O) -> _IdentityKeyType[_O]:
        """Return the identity key for the given instance, based on