requirements for api key

app.py

@@ -113,6 +113,17 @@ def stream_conversation(character1, character2, initial_message, num_turns, api_
 
     asyncio.run(run_simulation())
 
+def validate_api_key(api_key):
+    if not api_key.strip():
+        return False, "API key is required. Please enter a valid API key."
+    return True, ""
+
+def update_api_key_status(api_key):
+    is_valid, message = validate_api_key(api_key)
+    if not is_valid:
+        return f"<p style='color: red;'>{message}</p>"
+    return ""
+    
 def chat_interface(character1_dropdown, character1_custom, character2_dropdown, character2_custom, 
     initial_message, num_turns, api_key):
 
@@ -242,6 +253,7 @@ with gr.Blocks() as app:
     
     gr.Markdown("Powerd by [LLama3.1-405B-Instruct](https://huggingface.co/meta-llama/Meta-Llama-3.1-405B-Instruct) on [SambaNova Cloud](https://cloud.sambanova.ai/apis)")
     api_key = gr.Textbox(label="Enter your Sambanova Cloud API Key\n(To get one, go to https://cloud.sambanova.ai/apis)", type="password")
+    api_key_status = gr.Markdown()
     
     with gr.Column():
             character1_dropdown = gr.Dropdown(choices=predefined_characters + ["Custom"], label="Select Character 1")
@@ -262,6 +274,7 @@ with gr.Blocks() as app:
 
     character1_dropdown.change(show_custom_input, inputs=character1_dropdown, outputs=character1_custom)
     character2_dropdown.change(show_custom_input, inputs=character2_dropdown, outputs=character2_custom)
+    api_key.change(update_api_key_status, inputs=[api_key], outputs=[api_key_status])
     
     generate_btn.click(
         chat_interface,
@@ -286,5 +299,10 @@ with gr.Blocks() as app:
         outputs=download_output
     )
 
+    app.load(lambda: update_api_key_status(""), outputs=[api_key_status])
+
+
+
+
 if __name__ == "__main__":
     app.launch()