Upload app.py

app.py

@@ -1,7 +1,6 @@
 """
 Hugging Face Spaces Entry Point for CSRC Car Manual RAG System
 This is the entry point for Hugging Face Spaces deployment
-
 Note: For local development, use main.py instead.
 """
 import os
@@ -168,6 +167,15 @@ def create_app():
     print("🚗 CSRC Car Manual RAG System - Hugging Face Spaces")
     print("=" * 60)
     
+    # Check authentication settings
+    auth_username = os.getenv("APP_USERNAME")
+    auth_password = os.getenv("APP_PASSWORD")
+    
+    if auth_username and auth_password:
+        print(f"🔒 Authentication enabled for user: {auth_username}")
+    else:
+        print("⚠️  No authentication configured. App is publicly accessible.")
+    
     # Load configuration
     config = Config()
     
@@ -214,7 +222,32 @@ def create_app():
         proactive_engine=components["proactive_engine"]
     )
     
-    demo = interface_builder.create_interface()
+    # Create interface with authentication
+    auth_config = None
+    if auth_username and auth_password:
+        auth_config = (auth_username, auth_password)
+    
+    demo = interface_builder.create_interface(auth=auth_config)
+    
+    # Set authentication for Hugging Face Spaces
+    # In Gradio 6.0+, we can use demo.auth or configure it during launch
+    # Since Spaces auto-launches, we set it here so Spaces can use it
+    if auth_config:
+        try:
+            # Method 1: Try setting auth attribute directly (Gradio 6.0+)
+            if hasattr(demo, 'auth'):
+                demo.auth = auth_config
+                print("✅ Authentication configured via demo.auth")
+            else:
+                # Method 2: Use launch configuration
+                # Store auth config to be used when Spaces launches
+                demo._auth = auth_config
+                print("✅ Authentication configured (will be applied on launch)")
+        except Exception as e:
+            print(f"⚠️  Error setting auth: {e}")
+            # Fallback: store in custom attribute
+            demo._auth_config = auth_config
+    
     return demo
 
 
@@ -257,36 +290,6 @@ except Exception as e:
         description="An error occurred. Please check the logs."
     )
 
-# Launch the app
-# This is required for Hugging Face Spaces to keep the app running
-if __name__ == "__main__":
-    import os
-    
-    # Read the authentication information from the environment variable
-    auth_username = os.getenv("APP_USERNAME")
-    auth_password = os.getenv("APP_PASSWORD")
-    
-    # If a username and password are set, authentication will be enabled
-    auth_config = None
-    if auth_username and auth_password:
-        auth_config = (auth_username, auth_password)
-        print(f"🔒 Authentication enabled for user: {auth_username}")
-    else:
-        print("⚠️ No authentication configured. App is publicly accessible.")
-    
-    print("🚀 Launching Gradio app...")
-    
-    try:
-        demo.launch(
-            share=False,
-            server_name="0.0.0.0",
-            server_port=7860,
-            auth=auth_config,
-            ssr_mode=False 
-        )
-        print("✅ App launched successfully!")
-    except Exception as e:
-        print(f"❌ Error launching app: {e}")
-        import traceback
-        traceback.print_exc()
-
+# Note: Do NOT call demo.launch() here
+# Hugging Face Spaces will automatically detect and launch the demo
+# The demo variable is exposed at module level, which is what Spaces expects