app.py

import gradio as gr

# shared state
token_received = {"status": False}

# 1) this will be called by POST
def receive_token(accessToken: str):
    token_received["status"] = True
    return {"status": "ok"}

# 2) this just drives your UI
def check_status():
    return "✅ Code received" if token_received["status"] else "❌ Code not received"

def reset_status():
    token_received["status"] = False
    return "❌ Code not received"

with gr.Blocks() as demo:
    # we don’t actually show these widgets in the UI:
    hidden_token = gr.Textbox(visible=False)
    hidden_btn    = gr.Button(visible=False)
    # wire up the hidden POST→function
    hidden_btn.click(fn=receive_token, inputs=hidden_token, outputs=[])

    # your visible UI
    status_box = gr.Textbox(value=check_status(), label="Token Status", interactive=False)
    with gr.Row():
        refresh = gr.Button("Refresh").click(fn=check_status, outputs=status_box)
        reset = gr.Button("Reset Status").click(fn=reset_status, outputs=status_box)

demo.launch(server_name="0.0.0.0", server_port=7860)