fix name error for broken annotations

packages/modern-di/modern_di/types_parser.py

@@ -58,10 +58,13 @@ def parse_creator(creator: typing.Callable[..., typing.Any]) -> tuple[SignatureI
         return SignatureItem.from_type(typing.cast(type, creator)), {}
 
     is_class = isinstance(creator, type)
-    if is_class and hasattr(creator, "__init__"):
-        type_hints = typing.get_type_hints(creator.__init__)
-    else:
-        type_hints = typing.get_type_hints(creator)
+    try:
+        if is_class and hasattr(creator, "__init__"):
+            type_hints = typing.get_type_hints(creator.__init__)
+        else:
+            type_hints = typing.get_type_hints(creator)
+    except NameError:
+        type_hints = {}
 
     param_hints = {}
     for param_name, param in sig.parameters.items():

packages/modern-di/tests_core/providers/test_factory.py

@@ -25,11 +25,15 @@ def func_with_union(dep1: SimpleCreator | int) -> str:
     return str(dep1)
 
 
+def func_with_broken_annotation(dep1: "SomeWrongClass") -> None: ...  # type: ignore[name-defined]  # noqa: F821
+
+
 class MyGroup(Group):
     app_factory = providers.Factory(creator=SimpleCreator, kwargs={"dep1": "original"})
     app_factory_unresolvable = providers.Factory(creator=SimpleCreator, bound_type=None)
     app_factory_skip_creator_parsing = providers.Factory(creator=SimpleCreator, skip_creator_parsing=True)
     func_with_union_factory = providers.Factory(creator=func_with_union, bound_type=None)
+    func_with_broken_annotation = providers.Factory(creator=func_with_broken_annotation, bound_type=None)
     request_factory = providers.Factory(scope=Scope.REQUEST, creator=DependentCreator)
     request_factory_with_di_container = providers.Factory(scope=Scope.REQUEST, creator=AnotherCreator)
 
@@ -63,6 +67,12 @@ def test_func_with_union_factory() -> None:
     assert instance1
 
 
+def test_func_with_broken_annotation() -> None:
+    app_container = Container(groups=[MyGroup])
+    with pytest.raises(RuntimeError, match="Argument dep1 cannot be resolved, type=None"):
+        app_container.resolve_provider(MyGroup.func_with_broken_annotation)
+
+
 def test_request_factory() -> None:
     app_container = Container(groups=[MyGroup])
     request_container = app_container.build_child_container(scope=Scope.REQUEST)

packages/modern-di/tests_core/test_types_parser.py

@@ -9,6 +9,10 @@
 class GenericClass(typing.Generic[types.T]): ...
 
 
+if typing.TYPE_CHECKING:
+    from typing import Protocol
+
+
 @pytest.mark.parametrize(
     ("type_", "result"),
     [
@@ -56,6 +60,13 @@ class ClassWithStringAnnotations:
     def __init__(self, arg1: "str", arg2: "int") -> None: ...
 
 
+def func_with_wrong_annotations(arg1: "Protocol", arg2: "str") -> None: ...  # type: ignore[valid-type]
+
+
+class ClassWithWrongAnnotations:
+    def __init__(self, arg1: "WrongType", arg2: "int") -> None: ...  # type: ignore[name-defined]  # noqa: F821
+
+
 @pytest.mark.parametrize(
     ("creator", "result"),
     [
@@ -146,23 +157,12 @@ def __init__(self, arg1: "str", arg2: "int") -> None: ...
             ),
         ),
         (int, (SignatureItem(arg_type=int), {})),
+        (func_with_wrong_annotations, (SignatureItem(), {"arg1": SignatureItem(), "arg2": SignatureItem()})),
+        (
+            ClassWithWrongAnnotations,
+            (SignatureItem(arg_type=ClassWithWrongAnnotations), {"arg1": SignatureItem(), "arg2": SignatureItem()}),
+        ),
     ],
 )
 def test_parse_creator(creator: type, result: tuple[SignatureItem | None, dict[str, SignatureItem]]) -> None:
     assert parse_creator(creator) == result
-
-
-def func_with_wrong_annotations(arg1: "WrongType", arg2: "str") -> None: ...  # type: ignore[name-defined]  # noqa: F821
-
-
-class ClassWithWrongAnnotations:
-    def __init__(self, arg1: "WrongType", arg2: "int") -> None: ...  # type: ignore[name-defined]  # noqa: F821
-
-
-@pytest.mark.parametrize(
-    "creator",
-    [func_with_wrong_annotations, ClassWithWrongAnnotations],
-)
-def test_parse_creator_wrong_annotations(creator: type) -> None:
-    with pytest.raises(NameError, match="name 'WrongType' is not defined"):
-        assert parse_creator(creator)