~limit to 5 messages/conversation

app.py

@@ -7,6 +7,9 @@ api_key = os.environ.get("OPENAI_API_KEY")
 
 def openai_chat(prompt, history):
 
+    if not prompt:
+        return gr.update(value='', visible=len(history) < 10), [(history[i]['content'], history[i+1]['content']) for i in range(0, len(history)-1, 2)], history
+
     url = "https://api.openai.com/v1/chat/completions"
     headers = {
         "Content-Type": "application/json",
@@ -30,7 +33,11 @@ def openai_chat(prompt, history):
     history.append(prompt_msg)
     history.append(response)
 
-    return None, [(history[i]['content'], history[i+1]['content']) for i in range(0, len(history)-1, 2)], history
+    return gr.update(value='', visible=len(history) < 10), [(history[i]['content'], history[i+1]['content']) for i in range(0, len(history)-1, 2)], history
+
+def start_new_conversation(history):
+    history = []
+    return gr.update(value=None, visible=True), gr.update(value=[]), history
 
 css = """
       #col-container {max-width: 50%; margin-left: auto; margin-right: auto;}
@@ -43,11 +50,15 @@ with gr.Blocks(css=css) as demo:
 
     with gr.Column(elem_id="col-container"):
         gr.Markdown("""## OpenAI Chatbot Demo
-                    Using the ofiicial API and GPT-3.5 Turbo model""", elem_id="header")
+                    Using the ofiicial API and GPT-3.5 Turbo model.
+                    Current limit is 5 messages per conversation.""",
+                    elem_id="header")
         chatbot = gr.Chatbot(elem_id="chatbox")
-        input_message = gr.Textbox(show_label=False, placeholder="Enter text and press enter").style(container=False)
+        input_message = gr.Textbox(show_label=False, placeholder="Enter text and press enter", visible=True).style(container=False)
+        btn_start_new_conversation = gr.Button("Start a new conversation")
 
     input_message.submit(openai_chat, [input_message, history], [input_message, chatbot, history])
+    btn_start_new_conversation.click(start_new_conversation, [history], [input_message, chatbot, history])
             
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch(debug=True, height='800px')