Update app.py

app.py

@@ -159,13 +159,13 @@ initial_state = {
 }
 
 # Initialize log_messages outside initial_state
-log_messages = []
+log_messages =
 
 # Logging function to store messages in memory
 def log_message(message, log_messages):
     timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
     log_entry = f"{timestamp} - {message}"
-    log_messages.append(log_entry) 
+    log_messages.append(log_entry)
     return log_messages
 
 # Function to save logs to file
@@ -181,7 +181,8 @@ with gr.Blocks() as demo:
     chat = gr.Chatbot()
     user_input = gr.Textbox(label="Your query or feedback")
     submit_btn = gr.Button("Submit")
-    log_file = gr.File(label="Download Log File")  # Changed: No initial value
+    download_log_btn = gr.Button("Download Log File")  # Changed to Button
+    log_file = gr.File(label="Log File")  # Keep File for serving
 
     # Process file upload
     file_upload.upload(process_file, inputs=[file_upload, state, gr.State(log_messages)], outputs=[chat, state, gr.State(log_messages)])
@@ -190,7 +191,7 @@ with gr.Blocks() as demo:
     submit_btn.click(handle_input, inputs=[user_input, state, gr.State(log_messages)], outputs=[chat, state, gr.State(log_messages)]).then(lambda: "", None, user_input)
 
     # Update the log file just before download
-    log_file.click(save_logs_to_file, inputs=[gr.State(log_messages)], outputs=[log_file])  # Trigger save on click
+    download_log_btn.click(save_logs_to_file, inputs=[gr.State(log_messages)], outputs=[log_file])  # Trigger save on click
     
     # Also save logs when user exits
     user_input.submit(