hhh

gradio_interface.py

@@ -483,7 +483,28 @@ text
             inputs=[download_btn],
             outputs=[download_btn]
         )
-    
+    # Attach middleware to handle root pings like '/?logs=container&__theme=system' with 200 OK
+    try:
+        app = demo.app
+        from starlette.middleware.base import BaseHTTPMiddleware
+        from starlette.responses import PlainTextResponse
+
+        class RootQueryOkMiddleware(BaseHTTPMiddleware):
+            async def dispatch(self, request, call_next):
+                try:
+                    if request.url.path == "/":
+                        qp = request.query_params
+                        if "logs" in qp or "__theme" in qp:
+                            return PlainTextResponse("ok")
+                except Exception:
+                    pass
+                return await call_next(request)
+
+        app.add_middleware(RootQueryOkMiddleware)
+    except Exception:
+        # Non-fatal; UI still works even if middleware can't be added
+        pass
+
     return demo
 
 # Export the interface creation function