import gradio as gr def greet(name): return "Hello " + name + "!!" def hello(profile: gr.OAuthProfile | None) -> str: if profile is None: return "I don't know you." iface = gr.Interface(fn=greet, inputs="text", outputs="text") iface.launch() return f"Hello {profile.name}" with gr.Blocks() as demo: gr.LoginButton() gr.LogoutButton() gr.Markdown().attach_load_event(hello, None) demo.launch()