Create app.py

app.py

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+import gradio as gr
+from fastapi import FastAPI, Request, Response
+from fastapi.middleware.cors import CORSMiddleware
+from pydantic import BaseModel
+import threading
+
+# ---------- FastAPI Setup ----------
+app = FastAPI()
+
+# Allow CORS for your Bubble frontend
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=['https://your-bubble-app.com'],  # Replace with your actual Bubble app domain
+    allow_methods=['POST'],
+    allow_headers=['*'],
+    allow_credentials=True,
+)
+
+# State to track if token is received
+token_received = {"status": False}
+
+# Data model for incoming POST
+class TokenIn(BaseModel):
+    accessToken: str
+
+@app.post('/api/set_token')
+async def set_token(payload: TokenIn, response: Response):
+    token_received["status"] = True
+    session_token = payload.accessToken
+    response.set_cookie(
+        key='session_token',
+        value=session_token,
+        httponly=True,
+        secure=True,
+        samesite='none',
+        domain='your-gradio-app.com',  # Replace with your actual domain if needed
+        max_age=3600,
+        path='/'
+    )
+    return {'status': 'ok'}
+
+# ---------- Gradio UI ----------
+def check_status():
+    return "✅ Code received" if token_received["status"] else "❌ Code not received"
+
+with gr.Blocks() as demo:
+    status_box = gr.Textbox(value=check_status(), label="Token Status", interactive=False)
+    refresh_btn = gr.Button("Refresh")
+
+    refresh_btn.click(fn=check_status, outputs=status_box)
+
+# Mount Gradio inside FastAPI
+import gradio as gr
+from fastapi.middleware.wsgi import WSGIMiddleware
+from gradio.routes import App as GradioApp
+
+gradio_app = gr.mount_gradio_app(app, demo, path="/")
+
+# This is what Hugging Face Spaces expects to run
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=7860)