Affiche la batterie de la Kobo (push via params /image.png) en pied de page
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@@ -14,6 +14,7 @@ from fastapi.responses import HTMLResponse
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import render
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from config import config
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from integrations import kobo
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app = FastAPI(title="Monitorink", docs_url=None, redoc_url=None)
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@@ -26,7 +27,9 @@ async def health() -> dict:
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@app.get("/image.png")
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async def image(fresh: int = 0) -> Response:
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async def image(fresh: int = 0, bat: int | None = None, chg: int = 0) -> Response:
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# La Kobo pousse sa batterie ici (bat=0-100, chg=1 si en charge) à chaque fetch.
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kobo.record(bat, bool(chg))
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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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53
backend/integrations/kobo.py
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53
backend/integrations/kobo.py
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@@ -0,0 +1,53 @@
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"""État de la liseuse Kobo (batterie), POUSSÉ par le script monitorinkloop.sh.
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Contrairement aux autres intégrations qui *tirent* leurs données depuis une API, ici la
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Kobo *pousse* son niveau de batterie en paramètres de l'URL /image.png à chaque fetch
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(elle seule connaît sa charge). On conserve la dernière valeur en mémoire, horodatée,
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pour la rendre au prochain dessin du dashboard.
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"""
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from __future__ import annotations
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import time
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from dataclasses import dataclass
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# Au-delà de ce délai sans nouvelle de la Kobo, la valeur est jugée périmée.
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STALE_AFTER_SECONDS = 1800
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@dataclass
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class KoboState:
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percent: int | None = None
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charging: bool = False
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updated_ts: float = 0.0
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@property
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def ok(self) -> bool:
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return self.percent is not None
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@property
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def age_seconds(self) -> float:
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return time.time() - self.updated_ts if self.updated_ts else float("inf")
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@property
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def stale(self) -> bool:
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return self.age_seconds > STALE_AFTER_SECONDS
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@property
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def low(self) -> bool:
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return self.percent is not None and self.percent <= 15 and not self.charging
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_state = KoboState()
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def record(percent: int | None, charging: bool) -> None:
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"""Enregistre le dernier niveau rapporté par la Kobo (borné à 0-100)."""
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if percent is None:
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return
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_state.percent = max(0, min(100, percent))
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_state.charging = charging
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_state.updated_ts = time.time()
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def current() -> KoboState:
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return _state
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@@ -13,7 +13,7 @@ from PIL import Image
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from playwright.async_api import async_playwright
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from config import config
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from integrations import claude_usage, codex, homeassistant, nas, weather
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from integrations import claude_usage, codex, homeassistant, kobo, nas, weather
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TEMPLATES = Path(__file__).parent / "templates"
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@@ -75,6 +75,7 @@ async def build_context() -> dict:
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"ha_states": ha,
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"nas": nas_status,
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"codex": codex_status,
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"kobo": kobo.current(),
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"updated": now.strftime("%H:%M"),
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"stale": False,
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}
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@@ -189,6 +189,7 @@
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<footer>
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<span>Monitorink · 3 taps = redémarrer</span>
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{% if kobo.ok %}<span class="{% if kobo.low %}stale{% endif %}">{% if kobo.charging %}⚡{% else %}🔋{% endif %} Kobo {{ kobo.percent }}%{% if kobo.stale %} · ?{% endif %}</span>{% endif %}
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<span class="{% if stale %}stale{% endif %}">maj {{ updated }}{% if stale %} · DONNÉE PÉRIMÉE{% endif %}</span>
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</footer>
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@@ -18,10 +18,36 @@ BUSYBOX="./bin/busybox_kobo"
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log() { echo "[$(date '+%H:%M:%S')] $*"; sync; }
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read_battery() {
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# Renvoie "CAP|CHG" (ex. "85|0"), CHG=1 si en charge. Vide si introuvable.
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# On lit capacity + status dans le même dossier /sys/class/power_supply/*.
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for d in /sys/class/power_supply/*/; do
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[ -r "${d}capacity" ] || continue
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cap=$(cat "${d}capacity" 2>/dev/null)
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chg=0
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if [ -r "${d}status" ]; then
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case "$(cat "${d}status" 2>/dev/null)" in
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Charging|Full) chg=1 ;;
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esac
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fi
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echo "${cap}|${chg}"
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return 0
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done
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echo ""
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}
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fetch() {
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# On pousse la batterie de la Kobo en paramètres d'URL (le backend la mémorise).
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url="$IMAGE_URL"
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bat="$(read_battery)"
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if [ -n "$bat" ]; then
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cap="${bat%%|*}"; chg="${bat##*|}"
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case "$url" in *\?*) sep="&" ;; *) sep="?" ;; esac
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url="${url}${sep}bat=${cap}&chg=${chg}"
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fi
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# busybox wget (toujours présent), fallback curl si dispo dans le PATH.
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"$BUSYBOX" wget -q -T 30 -O "$TMP" "$IMAGE_URL" 2>/dev/null && return 0
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command -v curl >/dev/null 2>&1 && curl -fsSL -m 30 -o "$TMP" "$IMAGE_URL" 2>/dev/null && return 0
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"$BUSYBOX" wget -q -T 30 -O "$TMP" "$url" 2>/dev/null && return 0
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command -v curl >/dev/null 2>&1 && curl -fsSL -m 30 -o "$TMP" "$url" 2>/dev/null && return 0
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return 1
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}
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