diff options
Diffstat (limited to 'lib/sqlalchemy/sql/annotation.py')
| -rw-r--r-- | lib/sqlalchemy/sql/annotation.py | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/sqlalchemy/sql/annotation.py b/lib/sqlalchemy/sql/annotation.py index f37ae9a60..f1919d1d3 100644 --- a/lib/sqlalchemy/sql/annotation.py +++ b/lib/sqlalchemy/sql/annotation.py @@ -25,6 +25,7 @@ from typing import overload from typing import Sequence from typing import Tuple from typing import Type +from typing import TYPE_CHECKING from typing import TypeVar from . import operators @@ -35,9 +36,9 @@ from .visitors import InternalTraversal from .. import util from ..util.typing import Literal -if typing.TYPE_CHECKING: +if TYPE_CHECKING: + from .base import _EntityNamespace from .visitors import _TraverseInternalsType - from ..util.typing import Self _AnnotationDict = Mapping[str, Any] @@ -192,7 +193,12 @@ class SupportsWrappingAnnotations(SupportsAnnotations): __slots__ = () _constructor: Callable[..., SupportsWrappingAnnotations] - entity_namespace: Mapping[str, Any] + + if TYPE_CHECKING: + + @util.ro_non_memoized_property + def entity_namespace(self) -> _EntityNamespace: + ... def _annotate(self, values: _AnnotationDict) -> Annotated: """return a copy of this ClauseElement with annotations @@ -380,8 +386,8 @@ class Annotated(SupportsAnnotations): else: return hash(other) == hash(self) - @property - def entity_namespace(self) -> Mapping[str, Any]: + @util.ro_non_memoized_property + def entity_namespace(self) -> _EntityNamespace: if "entity_namespace" in self._annotations: return cast( SupportsWrappingAnnotations, |