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Refactor: extract annotation retrieval and improve typing for Python 3.9 compatibility

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This commit is contained in:
Roman Mogylatov 2025-05-21 14:42:43 -04:00
parent 164a45cd82
commit 2ab78f34eb
1 changed files with 15 additions and 17 deletions
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32
src/dependency_injector/wiring.py
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@ -578,13 +578,12 @@ def _unpatch_attribute(patched: PatchedAttribute) -> None:
def _extract_marker(parameter: inspect.Parameter) -> Optional["_Marker"]:
is_annotated = (
isinstance(annotation, type(Annotated))
and get_origin(annotation) is not None
and get_origin(annotation) is get_origin(Annotated)
)
if is_annotated:
marker = get_args(annotation)[1]
if get_origin(parameter.annotation) is Annotated:
args = get_args(parameter.annotation)
if len(args) > 1:
marker = args[1]
else:
marker = None
else:
marker = parameter.default
@ -1032,19 +1031,18 @@ def _get_sync_patched(fn: F, patched: PatchedCallable) -> F:
return cast(F, _patched)
def _get_annotations(obj: Any) -> Dict[str, Any]:
if sys.version_info >= (3, 10):
return inspect.get_annotations(obj)
else:
return getattr(obj, "__annotations__", {})
def _get_members_and_annotated(obj: Any) -> Iterable[Tuple[str, Any]]:
members = inspect.getmembers(obj)
try:
annotations = inspect.get_annotations(obj)
except Exception:
annotations = {}
annotations = _get_annotations(obj)
for annotation_name, annotation in annotations.items():
is_annotated = (
isinstance(annotation, type(Annotated))
and get_origin(annotation) is not None
and get_origin(annotation) is get_origin(Annotated)
)
if is_annotated:
if get_origin(annotation) is Annotated:
args = get_args(annotation)
if len(args) > 1:
member = args[1]