Function _prepare_annotations

lib/sqlalchemy/sql/annotation.py:585–590

(
    target_hierarchy: Type[SupportsWrappingAnnotations],
    base_cls: Type[Annotated],
)

def _prepare_annotations(
    target_hierarchy: Type[SupportsWrappingAnnotations],
    base_cls: Type[Annotated],
) -> None:
    for cls in util.walk_subclasses(target_hierarchy):
        _new_annotation_type(cls, base_cls)