Allowed module routes to return static file responses.

owlbot/api/routes.py

@@ -38,9 +38,9 @@ class RouteMark(TypedDict):
     methods: list[str] | None
 
 
-# Handler type: receives RouteContext, returns web.Response or dict (auto-JSON).
+# Handler type: receives RouteContext, returns a response or dict (auto-JSON).
 type RouteHandler = (
-    "Callable[[RouteContext], Awaitable[web.Response | dict[str, Any] | None]]"
+    "Callable[[RouteContext], Awaitable[web.StreamResponse | dict[str, Any] | None]]"
 )
 
 

owlbot/http_server.py

@@ -162,6 +162,6 @@ class HttpServer:
 
         return web.Response(status=202)
 
-    async def _handle_catch_all(self, request: web.Request) -> web.Response:
+    async def _handle_catch_all(self, request: web.Request) -> web.StreamResponse:
         """Delegate module route requests to the RouteDispatcher."""
         return await self._route_dispatcher.dispatch(request)

owlbot/registries/routes.py

@@ -330,7 +330,7 @@ class RouteDispatcher:
         """
         return self._route_registry.unregister_by_module(module_name)
 
-    async def dispatch(self, request: web.Request) -> web.Response:
+    async def dispatch(self, request: web.Request) -> web.StreamResponse:
         """
         Dispatch an HTTP request to the appropriate module route handler.
 
@@ -371,7 +371,7 @@ class RouteDispatcher:
         request: web.Request,
         route_info: RouteInfo,
         match_info: dict[str, str] | None = None,
-    ) -> web.Response:
+    ) -> web.StreamResponse:
         """
         Handle an HTTP request to a module-registered route.
 
@@ -418,7 +418,7 @@ class RouteDispatcher:
 
                 if result is None:
                     return web.Response(status=204)  # No Content.
-                elif isinstance(result, web.Response):
+                elif isinstance(result, web.StreamResponse):
                     return result
                 elif isinstance(result, dict):
                     return web.json_response(result)