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import os
import threading
from fastapi import FastAPI, Request
from fastapi.responses import FileResponse, JSONResponse, PlainTextResponse
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
import uvicorn
app = FastAPI()
app.add_middleware(
CORSMiddleware,
allow_origins=["*"], allow_methods=["*"], allow_headers=["*"]
)
# In-memory, process-lifetime only
_CONFIG = {}
_LOCK = threading.Lock()
# Serve static frontend
app.mount("/static", StaticFiles(directory="static"), name="static")
@app.get("/", response_class=FileResponse)
def root():
return FileResponse("static/index.html")
@app.get("/api/ping", response_class=PlainTextResponse)
def ping():
return "pong"
@app.get("/api/config")
def get_config():
with _LOCK:
return JSONResponse(_CONFIG or {"background": None, "items": []})
@app.post("/api/config")
async def set_config(req: Request):
data = await req.json()
# Basic shape guard
if not isinstance(data, dict):
return JSONResponse({"error": "Invalid payload"}, status_code=400)
with _LOCK:
# store exactly what client sent (ephemeral)
_CONFIG.clear()
_CONFIG.update(data)
return JSONResponse({"ok": True})
if __name__ == "__main__":
port = int(os.environ.get("PORT", "7860"))
uvicorn.run("app:app", host="0.0.0.0", port=port, reload=False)
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