Add signature guards

requirements-dev.txt

@@ -10,5 +10,7 @@ pyyaml
 httpx
 fastapi
 pydantic
+numpy
+scipy
 
 -r requirements-ext.txt

src/dependency_injector/wiring.py

@@ -298,6 +298,8 @@ class InspectFilter:
             return True
         elif self._is_starlette_request_cls(instance):
             return True
+        elif self._is_builtin(instance):
+            return True
         else:
             return False
 
@@ -309,6 +311,9 @@ class InspectFilter:
                and isinstance(instance, type) \
                and issubclass(instance, starlette.requests.Request)
 
+    def _is_builtin(self, instance: object) -> bool:
+        return inspect.isbuiltin(instance)
+
 
 def wire(  # noqa: C901
         container: Container,
@@ -488,7 +493,15 @@ def _fetch_reference_injections(
             )):
         fn = fn.__init__
 
-    signature = inspect.signature(fn)
+    try:
+        signature = inspect.signature(fn)
+    except ValueError as exception:
+        if 'no signature found' in str(exception):
+            return {}, {}
+        elif 'not supported by signature' in str(exception):
+            return {}, {}
+        else:
+            raise exception
 
     injections = {}
     closing = {}
@@ -874,9 +887,13 @@ class AutoLoader:
                 super().exec_module(module)
                 loader.wire_module(module)
 
+        class ExtensionFileLoader(importlib.machinery.ExtensionFileLoader):
+            ...
+
         loader_details = [
             (SourcelessFileLoader, importlib.machinery.BYTECODE_SUFFIXES),
             (SourceFileLoader, importlib.machinery.SOURCE_SUFFIXES),
+            (ExtensionFileLoader, importlib.machinery.EXTENSION_SUFFIXES),
         ]
 
         self._path_hook = importlib.machinery.FileFinder.path_hook(*loader_details)

tests/unit/samples/wiringsamples/module.py

@@ -128,3 +128,15 @@ def test_class_decorator(service: Service = Provide[Container.service]):
 
 def test_container(container: Container = Provide[Container]):
     return container.service()
+
+
+# Import tests
+
+import numpy  # noqa
+from numpy import *  # noqa
+
+import scipy  # noqa
+from scipy import *  # noqa
+
+import builtins  # noqa
+from builtins import *  # noqa

tox.ini

@@ -8,6 +8,8 @@ deps=
     typing_extensions
     httpx
     fastapi
+    numpy
+    scipy
 extras=
     yaml
     pydantic