Update app.py

app.py

@@ -9,7 +9,7 @@ from llama_cpp_agent.chat_history import BasicChatHistory
 from llama_cpp_agent.chat_history.messages import Roles
 import cv2
 
-# get the models
+# Get the models
 huggingface_token = os.environ.get('HF_TOKEN')
 download_models(huggingface_token)
 
@@ -19,9 +19,8 @@ documents_paths = {
     'payment': 'data/payment'
 }
 
-# initialize backend
+# Initialize backend
 backend = Backend()
-
 cv2.setNumThreads(1)
 
 @spaces.GPU(duration=20)
@@ -37,7 +36,7 @@ def respond(
     repeat_penalty,
     selected_topic
 ):
-    chat_template = MessagesFormatterType.GEMMA_2
+    chat_template = MessagesFormatterType.DEFAULT  # Changed to default mode
 
     print("HISTORY SO FAR ", history)
     print("Selected topic:", selected_topic)
@@ -77,7 +76,7 @@ def respond(
 
     messages = BasicChatHistory()
 
-    # add user and assistant messages to the history
+    # Add user and assistant messages to the history
     for user_msg, assistant_msg in history:
         messages.add_message({'role': Roles.user, 'content': user_msg})
         messages.add_message({'role': Roles.assistant, 'content': assistant_msg})
@@ -98,6 +97,9 @@ def respond(
     except Exception as e:
         yield history + [[message, f"Error during response generation: {str(e)}"]]
 
+def reset_conversation():
+    return [], "", gr.update(visible=False), gr.update(interactive=True), gr.update(interactive=True), gr.update(interactive=True)
+
 def select_topic(topic):
     return gr.update(visible=True), topic, gr.update(interactive=False), gr.update(interactive=False), gr.update(interactive=False)
 
@@ -113,6 +115,7 @@ with gr.Blocks(css="""
         blockchain_btn = gr.Button("🔗 Blockchain", scale=1)
         metaverse_btn = gr.Button("🌐 Metaverse", scale=1)
         payment_btn = gr.Button("💳 Payment", scale=1)
+        reset_btn = gr.Button("🔄 Reset", scale=1)  # Reset button
 
     selected_topic = gr.State(value="")
 
@@ -156,6 +159,8 @@ with gr.Blocks(css="""
     blockchain_btn.click(lambda: select_topic("blockchain"), inputs=None, outputs=[chatbot, selected_topic, blockchain_btn, metaverse_btn, payment_btn])
     metaverse_btn.click(lambda: select_topic("metaverse"), inputs=None, outputs=[chatbot, selected_topic, blockchain_btn, metaverse_btn, payment_btn])
     payment_btn.click(lambda: select_topic("payment"), inputs=None, outputs=[chatbot, selected_topic, blockchain_btn, metaverse_btn, payment_btn])
+    
+    reset_btn.click(reset_conversation, inputs=None, outputs=[chatbot, selected_topic, blockchain_btn, metaverse_btn, payment_btn])  # Connect reset button
 
     submit_btn.click(
         respond,