Update app.py

app.py

@@ -110,17 +110,22 @@ def retrieve_document(query):
         return None
 
     try:
-        print(embeddings_.content)
-       # Convert response content to a byte stream
+      print("Response content length:", len(embeddings_.content))  # Debugging
+    
+        if len(embeddings_.content) == 0:
+            raise ValueError("Received empty FAISS index file")
+    
+        # Convert response content to a byte stream
         byte_stream = io.BytesIO(embeddings_.content)
-        
-        # Load FAISS index from byte stream
-        index = faiss.deserialize_index(byte_stream.read())
-
-        print(f"Successfully loaded FAISS index with {index.ntotal} vectors.")
-
-        # Now you can perform retrieval using `index.search()`
-        # return index
+    
+        # Write the received binary content to a temporary file
+        with open("downloaded_index.bin", "wb") as f:
+            f.write(byte_stream.read())
+    
+        # Load FAISS index from file
+        index = faiss.read_index("downloaded_index.bin")
+    
+        print(f"✅ Successfully loaded FAISS index with {index.ntotal} vectors.")
 
     except Exception as e:
         print(f"Error loading FAISS index: {e}")