Add clear history

app.py

@@ -193,6 +193,14 @@ def regenerate_button_clicked(_question, _chat_bot, _app_cfg, params_form, num_b
     return respond(_question, _chat_bot, _app_cfg, params_form, num_beams, repetition_penalty, repetition_penalty_2, top_p, top_k, temperature)
 
 
+def clear_button_clicked(_question, _chat_bot, _app_cfg, _bt_pic):
+    _chat_bot.clear()
+    _app_cfg['sts'] = None
+    _app_cfg['ctx'] = [] 
+    _app_cfg['img'] = None
+    _bt_pic = None
+    return '', _chat_bot, _app_cfg, _bt_pic
+    
 
 with gr.Blocks() as demo:
     with gr.Row():
@@ -207,12 +215,19 @@ with gr.Blocks() as demo:
                 temperature = create_component(temperature_slider)
                 repetition_penalty_2 = create_component(repetition_penalty_slider2)
             regenerate = create_component({'value': 'Regenerate'}, comp='Button', visible=True)
+            clear = create_component({'value': 'Clear'}, comp='Button', visible=True)
         with gr.Column(scale=3, min_width=500):
             app_session = gr.State({'sts':None,'ctx':None,'img':None})
             bt_pic = gr.Image(label="Upload an image to start")
             chat_bot = gr.Chatbot(label=f"Chat with {model_name}")
             txt_message = gr.Textbox(label="Input text")
             
+            clear.click(
+                clear_button_clicked,
+                [txt_message, chat_bot, app_session, bt_pic],
+                [txt_message, chat_bot, app_session, bt_pic],
+                queue=False
+            )
             regenerate.click(
                 regenerate_button_clicked,
                 [txt_message, chat_bot, app_session, params_form, num_beams, repetition_penalty, repetition_penalty_2, top_p, top_k, temperature],