🏷️ resolve mypy errors and add mypy_cache to gitignore

.gitignore

@@ -1,5 +1,9 @@
+# testing
 .pytest_cache
 __pycache__
 
+# typing
+.mypy_cache
+
 # editors
 .idea

slowapi/extension.py

@@ -269,7 +269,7 @@ class Limiter:
         if not self._application_limits and app_limits:
             self._application_limits = [
                 LimitGroup(
-                    app_limits, self._key_func, "global", False, None, None, None
+                    app_limits, self._key_func, "global", False, None, None, None, False
                 )
             ]
 
@@ -278,7 +278,9 @@ class Limiter:
         )
         if not self._default_limits and conf_limits:
             self._default_limits = [
-                LimitGroup(conf_limits, self._key_func, None, False, None, None, None)
+                LimitGroup(
+                    conf_limits, self._key_func, None, False, None, None, None, False
+                )
             ]
         fallback_enabled = self.get_app_config(C.IN_MEMORY_FALLBACK_ENABLED, False)
         fallback_limits: Optional[StrOrCallableStr] = self.get_app_config(
@@ -287,7 +289,14 @@ class Limiter:
         if not self._in_memory_fallback and fallback_limits:
             self._in_memory_fallback = [
                 LimitGroup(
-                    fallback_limits, self._key_func, None, False, None, None, None
+                    fallback_limits,
+                    self._key_func,
+                    None,
+                    False,
+                    None,
+                    None,
+                    None,
+                    False,
                 )
             ]
         if not self._in_memory_fallback_enabled:

slowapi/middleware.py

@@ -1,3 +1,5 @@
+from typing import Union
+
 from starlette.applications import Starlette
 from starlette.middleware.base import (
     BaseHTTPMiddleware,
@@ -6,6 +8,7 @@ from starlette.middleware.base import (
 )
 from starlette.requests import Request
 from starlette.responses import Response
+from starlette.routing import Route, BaseRoute, WebSocketRoute
 
 from slowapi import Limiter, _rate_limit_exceeded_handler
 
@@ -19,8 +22,8 @@ class SlowAPIMiddleware(BaseHTTPMiddleware):
         handler = None
         for route in app.routes:
             match, _ = route.matches(request.scope)
-            if match.FULL:
-                handler = route.endpoint
+            if match.FULL and hasattr(route, "endpoint"):
+                handler = route.endpoint  # type: ignore
         # if we can't find the route handler
         if handler is None:
             return await call_next(request)
@@ -50,3 +53,4 @@ class SlowAPIMiddleware(BaseHTTPMiddleware):
             response = await call_next(request)
             response = limiter._inject_headers(response, request.state.view_rate_limit)
             return response
+        return await call_next(request)