Update app.py

app.py

@@ -75,21 +75,6 @@ def process_files(file_list, progress=gr.Progress()):
     return f"Embedding process completed and database created. Processed {len(documents)} files. You can now start chatting!"
 
 
-def load_existing_index(folder_path):
-    global vector_store
-    try:
-        index_file = os.path.join(folder_path, "index.faiss")
-        pkl_file = os.path.join(folder_path, "index.pkl")
-
-        if not os.path.exists(index_file) or not os.path.exists(pkl_file):
-            return f"Error: FAISS index files not found in {folder_path}. Please ensure both 'index.faiss' and 'index.pkl' are present."
-
-        vector_store = FAISS.load_local(folder_path, embeddings, allow_dangerous_deserialization=True)
-        return f"Successfully loaded existing index from {folder_path}."
-    except Exception as e:
-        return f"Error loading index: {str(e)}"
-
-
 def chat(message, history):
     global vector_store
     if vector_store is None:
@@ -118,10 +103,6 @@ with gr.Blocks() as demo:
         with gr.Column():
             file_input = gr.File(label="Select Files", file_count="multiple", file_types=[".pdf", ".docx", ".txt"])
             process_button = gr.Button("Process Files")
-        with gr.Column():
-            index_folder = gr.Textbox(label="Existing Index Folder Path",
-                                      value="C:\\Works\\Data\\projects\\Python\\QA_Chatbot\\faiss_index")
-            load_index_button = gr.Button("Load Existing Index")
 
     output = gr.Textbox(label="Processing Output")
 
@@ -138,12 +119,7 @@ with gr.Blocks() as demo:
             return "No files selected. Please select files and try again."
 
 
-    def load_selected_index(folder_path):
-        return load_existing_index(folder_path)
-
-
     process_button.click(process_selected_files, file_input, output)
-    load_index_button.click(load_selected_index, index_folder, output)
 
 
     def respond(message, chat_history):
@@ -157,4 +133,4 @@ with gr.Blocks() as demo:
     clear.click(reset_chat, None, chatbot)
 
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch()