50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
"""Serveur Monitorink : expose le dashboard en PNG pour la Kobo.
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Endpoints :
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GET /image.png -> dashboard 1264x1680 niveaux de gris (avec cache TTL)
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GET /debug.html -> HTML brut (itération design, pas de screenshot)
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GET /health -> sonde de vie
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"""
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from __future__ import annotations
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import time
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from fastapi import FastAPI, Response
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from fastapi.responses import HTMLResponse
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import render
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from config import config
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app = FastAPI(title="Monitorink", docs_url=None, redoc_url=None)
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_cache: dict[str, object] = {"png": None, "ts": 0.0}
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@app.get("/health")
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async def health() -> dict:
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return {"status": "ok"}
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@app.get("/image.png")
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async def image(fresh: int = 0) -> Response:
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now = time.time()
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cached = _cache["png"]
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age = now - float(_cache["ts"])
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if cached and not fresh and age < config.cache_ttl_seconds:
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png = cached # type: ignore[assignment]
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else:
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png = await render.render_png()
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_cache["png"] = png
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_cache["ts"] = now
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return Response(
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content=png, # type: ignore[arg-type]
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media_type="image/png",
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headers={"Cache-Control": "no-store"},
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)
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@app.get("/debug.html", response_class=HTMLResponse)
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async def debug_html() -> str:
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context = await render.build_context()
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return render.render_html(context)
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