Spaces:
Runtime error
Runtime error
| """ | |
| Fallback entrypoint for Hugging Face Spaces using the Gradio SDK instead of Docker. | |
| Mounts the EXACT SAME FastAPI app (api/main.py, unchanged) inside a minimal Gradio | |
| wrapper -- every route (/classify, /search, /corrections, /ask, /stats, | |
| /model-performance, /health) works identically, just served through Gradio's app | |
| object instead of raw uvicorn+Docker. | |
| Only used if the Docker SDK isn't available for free on the account -- otherwise | |
| the Dockerfile path is simpler and preferred. | |
| """ | |
| import spaces | |
| import gradio as gr | |
| from api.main import app as fastapi_app | |
| def _zerogpu_placeholder(): | |
| """ | |
| Required by Hugging Face's ZeroGPU Spaces: at least one @spaces.GPU-decorated | |
| function must exist for the Space to start, even though this app runs entirely | |
| on CPU (DistilBERT/MiniLM inference at our scale doesn't need a GPU at all). | |
| This function is never called by any real request path -- it exists purely to | |
| satisfy that platform startup check. | |
| """ | |
| return "not used -- this app runs on CPU only" | |
| def status_check(): | |
| import requests | |
| try: | |
| resp = requests.get("http://localhost:7860/health", timeout=5) | |
| return resp.json() | |
| except Exception as e: | |
| return {"error": str(e)} | |
| with gr.Blocks(title="Maintenance Log Classifier API") as demo: | |
| gr.Markdown(""" | |
| # Maintenance Log Classifier — API | |
| This Space hosts the backend API only. The real frontend is deployed separately. | |
| API docs: [/docs](/docs) (FastAPI's auto-generated interactive docs) | |
| Endpoints: `/classify`, `/search`, `/corrections`, `/ask`, `/stats`, `/model-performance`, `/health` | |
| """) | |
| check_btn = gr.Button("Check API health") | |
| output = gr.JSON() | |
| check_btn.click(fn=status_check, outputs=output) | |
| # Wired into the Blocks graph (not just defined standalone) so ZeroGPU's | |
| # startup detector actually finds this @spaces.GPU function. Hidden since | |
| # it's not meant for real use -- this app runs entirely on CPU. | |
| with gr.Row(visible=False): | |
| gpu_check_btn = gr.Button("_zerogpu_placeholder") | |
| gpu_output = gr.Textbox() | |
| gpu_check_btn.click(fn=_zerogpu_placeholder, outputs=gpu_output) | |
| # This is the key line: mount the real FastAPI app (all our actual routes) at the | |
| # root path, with Gradio's own UI living at /gradio instead of /. | |
| app = gr.mount_gradio_app(fastapi_app, demo, path="/gradio") |