ppfeiffer
e788fc7201
mapData liefert bundesweite Meldungen ohne geografische Filterung. Mit konfigurierten AGS-Codes deckt der Dashboard-Endpunkt bereits alle Quellen regional ab – mapData wird dann nicht mehr benötigt und würde Meldungen außerhalb der konfigurierten Regionen zeigen. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
432 lines
16 KiB
Python
432 lines
16 KiB
Python
import asyncio
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import logging
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import os
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from typing import Callable, Awaitable
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import aiohttp
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import yaml
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logger = logging.getLogger(__name__)
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NINA_API_BASE = "https://warnung.bund.de/api31"
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NINA_CONFIG_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)), "nina.yaml")
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SEVERITY_ORDER = {
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"Unknown": -1,
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"Minor": 0,
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"Moderate": 1,
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"Severe": 2,
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"Extreme": 3,
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}
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SEVERITY_LABELS = {
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"Extreme": "EXTREM",
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"Severe": "Schwerwiegend",
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"Moderate": "Maessig",
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"Minor": "Gering",
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}
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# Dashboard-Endpunkt: ID-Präfixe je Quelle (für Quellen-Filterung)
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SOURCE_PREFIXES = {
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"katwarn": ("katwarn.",),
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"biwapp": ("biwapp.",),
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"mowas": ("mowas.", "mow."),
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"dwd": ("dwd.",),
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"lhp": ("lhp.",),
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"police": ("police.",),
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}
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# mapData-Endpunkte je Quelle
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SOURCE_MAP_ENDPOINTS = {
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"katwarn": "katwarn",
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"biwapp": "biwapp",
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"mowas": "mowas",
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"dwd": "dwd",
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"lhp": "lhp",
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"police": "police",
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}
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# Normalisierung für quellenübergreifende De-Duplikation (mapData-Präfix → Dashboard-Präfix)
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ID_NORMALIZATIONS = [
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("dwdmap.", "dwd."),
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("lhpmap.", "lhp."),
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("polmap.", "police."),
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("mow.", "mowas."),
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]
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DEFAULT_CONFIG = {
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"enabled": False,
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"send_to_mesh": True,
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"poll_interval": 300,
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"resend_interval": 3600,
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"channel": 0,
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"min_severity": "Severe",
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"ags_codes": [],
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"sources": {
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"katwarn": True,
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"biwapp": True,
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"mowas": True,
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"dwd": True,
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"lhp": True,
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"police": False,
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},
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}
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class NinaBot:
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"""Polls the NINA BBK warning API and forwards alerts to Meshtastic.
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Two polling strategies run in parallel per cycle:
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1. Dashboard – regional, per AGS code (all sources, geographic filter by BBK server)
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2. mapData – national, per source (severity-only filter, covers gaps in dashboard)
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Cross-strategy de-duplication is achieved by normalising warning IDs before
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storing them in _known (e.g. 'dwdmap.' → 'dwd.').
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"""
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def __init__(self, send_callback: Callable[[str, int], Awaitable[None]], ws_manager=None):
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self.send_callback = send_callback
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self.ws_manager = ws_manager
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self.config: dict = {}
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self._mtime: float = 0.0
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self._known: dict[str, str] = {} # normalised_id -> sent (de-dup)
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self._active: dict[str, dict] = {} # normalised_id -> {text, channel, headline, severity, id, sent}
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self._running = False
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self._task: asyncio.Task | None = None
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self._resend_task: asyncio.Task | None = None
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self._load()
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# ── Config ──────────────────────────────────────────────────────────────
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def _load(self):
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try:
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with open(NINA_CONFIG_PATH) as f:
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data = yaml.safe_load(f) or {}
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self.config = {**DEFAULT_CONFIG, **data}
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if "sources" in data:
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self.config["sources"] = {**DEFAULT_CONFIG["sources"], **data["sources"]}
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self._mtime = os.path.getmtime(NINA_CONFIG_PATH)
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logger.info(
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"NINA config loaded (enabled=%s, codes=%s)",
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self.config.get("enabled"),
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self.config.get("ags_codes"),
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)
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except FileNotFoundError:
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logger.info("No nina.yaml found – using defaults")
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self.config = {**DEFAULT_CONFIG, "sources": dict(DEFAULT_CONFIG["sources"])}
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self._save()
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except Exception:
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logger.exception("Error loading nina.yaml")
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self.config = {**DEFAULT_CONFIG, "sources": dict(DEFAULT_CONFIG["sources"])}
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def _save(self):
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try:
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with open(NINA_CONFIG_PATH, "w") as f:
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yaml.dump(
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self.config,
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f,
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default_flow_style=False,
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allow_unicode=True,
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sort_keys=False,
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)
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self._mtime = os.path.getmtime(NINA_CONFIG_PATH)
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logger.info("NINA config saved")
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except Exception:
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logger.exception("Error saving nina.yaml")
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def get_config(self) -> dict:
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return self.config
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def update_config(self, updates: dict) -> dict:
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if "sources" in updates:
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self.config["sources"] = {
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**self.config.get("sources", {}),
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**updates.pop("sources"),
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}
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self.config.update(updates)
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self._save()
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return self.config
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# ── Lifecycle ────────────────────────────────────────────────────────────
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async def start(self):
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self._running = True
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self._task = asyncio.create_task(self._poll_loop())
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self._resend_task = asyncio.create_task(self._resend_loop())
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logger.info("NinaBot started")
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async def stop(self):
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self._running = False
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for task in (self._task, self._resend_task):
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if task:
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task.cancel()
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try:
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await task
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except asyncio.CancelledError:
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pass
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# ── Hot-reload ───────────────────────────────────────────────────────────
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async def watch(self, interval: float = 5.0):
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"""Reload nina.yaml when the file changes on disk."""
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while True:
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await asyncio.sleep(interval)
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try:
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current_mtime = os.path.getmtime(NINA_CONFIG_PATH)
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if current_mtime != self._mtime:
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self._load()
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except FileNotFoundError:
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pass
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except Exception:
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logger.exception("Error watching nina.yaml")
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# ── Polling ──────────────────────────────────────────────────────────────
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async def _poll_loop(self):
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while self._running:
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try:
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if self.config.get("enabled"):
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await self._check_alerts()
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except Exception:
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logger.exception("NINA polling error")
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interval = max(60, int(self.config.get("poll_interval", 300)))
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await asyncio.sleep(interval)
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async def _resend_loop(self):
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"""Re-broadcast all active warnings at resend_interval when send_to_mesh is enabled."""
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while self._running:
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interval = max(60, int(self.config.get("resend_interval", 3600)))
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await asyncio.sleep(interval)
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try:
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if self.config.get("enabled") and self.config.get("send_to_mesh", True):
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if self._active:
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logger.info("NINA resend: %d aktive Warnmeldungen", len(self._active))
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for entry in list(self._active.values()):
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await self.send_callback(entry["text"], entry["channel"])
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except Exception:
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logger.exception("NINA resend error")
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async def _check_alerts(self):
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min_level = SEVERITY_ORDER.get(self.config.get("min_severity", "Severe"), 2)
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channel = int(self.config.get("channel", 0))
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sources = self.config.get("sources", DEFAULT_CONFIG["sources"])
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ags_codes = self.config.get("ags_codes", [])
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async with aiohttp.ClientSession(
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headers={"User-Agent": "MeshDD-Bot/1.0 (+https://github.com/ppfeiffer/MeshDD-Bot)"},
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timeout=aiohttp.ClientTimeout(total=30),
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) as session:
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# 1. Dashboard: regional filtering per AGS code (server-side, all sources)
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for ags in ags_codes:
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try:
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await self._fetch_dashboard(session, str(ags).strip(), min_level, channel, sources)
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except Exception:
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logger.exception("NINA dashboard error for AGS %s", ags)
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# 2. mapData: national per-source polling – nur wenn KEINE AGS-Codes konfiguriert
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# sind, da mapData keine geografische Filterung unterstützt und sonst
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# bundesweite Meldungen außerhalb der konfigurierten Regionen erscheinen.
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# Mit AGS-Codes deckt das Dashboard bereits alle Quellen regional ab.
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if not ags_codes:
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for source_key, endpoint in SOURCE_MAP_ENDPOINTS.items():
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if not sources.get(source_key, True):
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continue
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try:
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await self._fetch_map_data(session, source_key, endpoint, min_level, channel)
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except Exception:
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logger.exception("NINA mapData error for source %s", source_key)
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# ── De-duplication helper ────────────────────────────────────────────────
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@staticmethod
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def _normalise_id(identifier: str) -> str:
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"""Normalise a warning ID to a canonical form for cross-source de-duplication."""
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for old, new in ID_NORMALIZATIONS:
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if identifier.startswith(old):
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return new + identifier[len(old):]
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return identifier
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@staticmethod
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def _source_key_for(identifier: str) -> str | None:
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"""Return the source config key for a given warning ID, or None if unknown."""
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for key, prefixes in SOURCE_PREFIXES.items():
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for p in prefixes:
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if identifier.startswith(p):
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return key
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return None
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# ── Dashboard endpoint ───────────────────────────────────────────────────
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async def _fetch_dashboard(
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self,
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session: aiohttp.ClientSession,
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ags: str,
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min_level: int,
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channel: int,
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sources: dict,
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):
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ars = ags.ljust(12, "0")
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url = f"{NINA_API_BASE}/dashboard/{ars}.json"
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async with session.get(url) as resp:
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if resp.status == 404:
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logger.warning("NINA dashboard: no data for AGS %s (404)", ags)
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return
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if resp.status != 200:
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logger.warning("NINA dashboard: status %d for %s", resp.status, url)
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return
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items = await resp.json(content_type=None)
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if not isinstance(items, list):
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logger.warning("NINA dashboard: unexpected response type for AGS %s", ags)
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return
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for item in items:
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try:
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await self._process_dashboard_item(item, min_level, channel, sources)
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except Exception:
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logger.exception("NINA dashboard: error processing %s", item.get("id"))
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async def _process_dashboard_item(
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self, item: dict, min_level: int, channel: int, sources: dict
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):
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identifier = item.get("id", "")
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if not identifier:
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return
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# Filter by source
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src_key = self._source_key_for(identifier)
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if src_key and not sources.get(src_key, True):
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return
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payload = item.get("payload", {})
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sent = payload.get("sent", item.get("sent", ""))
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data = payload.get("data", {})
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msg_type = payload.get("msgType", data.get("msgType", "Alert"))
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severity = data.get("severity", "Unknown")
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sev_level = SEVERITY_ORDER.get(severity, -1)
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if sev_level < min_level and msg_type != "Cancel":
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return
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dedup_key = self._normalise_id(identifier)
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if dedup_key in self._known and self._known[dedup_key] == sent:
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return
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self._known[dedup_key] = sent
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headline = data.get("headline", "Warnung")
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description = data.get("description", "")
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text = self._format_alert(msg_type, severity, headline, description)
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logger.info("NINA dashboard alert: %s (id=%s)", headline, identifier)
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await self._send(identifier, severity, msg_type, headline, sent, text, channel)
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# ── mapData endpoint ─────────────────────────────────────────────────────
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async def _fetch_map_data(
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self,
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session: aiohttp.ClientSession,
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source_key: str,
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endpoint: str,
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min_level: int,
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channel: int,
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):
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url = f"{NINA_API_BASE}/{endpoint}/mapData.json"
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async with session.get(url) as resp:
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if resp.status != 200:
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logger.warning("NINA mapData %s: status %d", source_key, resp.status)
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return
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items = await resp.json(content_type=None)
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if not isinstance(items, list):
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logger.warning("NINA mapData %s: unexpected response type", source_key)
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return
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for item in items:
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try:
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await self._process_map_item(item, min_level, channel)
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except Exception:
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logger.exception("NINA mapData: error processing %s", item.get("id"))
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async def _process_map_item(self, item: dict, min_level: int, channel: int):
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identifier = item.get("id", "")
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if not identifier:
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return
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severity = item.get("severity", "Unknown")
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msg_type = item.get("type", "Alert")
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sent = item.get("startDate", item.get("sent", ""))
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sev_level = SEVERITY_ORDER.get(severity, -1)
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if sev_level < min_level and msg_type != "Cancel":
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return
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dedup_key = self._normalise_id(identifier)
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if dedup_key in self._known and self._known[dedup_key] == sent:
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return
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self._known[dedup_key] = sent
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# Headline aus i18nTitle (Deutsch bevorzugt)
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i18n = item.get("i18nTitle", {})
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headline = i18n.get("de") or i18n.get("en") or identifier
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text = self._format_alert(msg_type, severity, headline, "")
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logger.info("NINA mapData alert: %s (id=%s)", headline, identifier)
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await self._send(identifier, severity, msg_type, headline, sent, text, channel)
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# ── Shared helpers ───────────────────────────────────────────────────────
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@staticmethod
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def _format_alert(msg_type: str, severity: str, headline: str, description: str) -> str:
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if msg_type == "Cancel":
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return f"[NINA] Aufgehoben: {headline}"
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sev_text = SEVERITY_LABELS.get(severity, severity)
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text = f"[NINA] {sev_text}: {headline}"
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if description:
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short = description.strip()[:120]
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if len(description.strip()) > 120:
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short += "..."
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text += f"\n{short}"
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return text
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async def _send(
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self,
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identifier: str,
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severity: str,
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msg_type: str,
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headline: str,
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sent: str,
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text: str,
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channel: int,
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):
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dedup_key = self._normalise_id(identifier)
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# Keep _active up to date for re-broadcast
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if msg_type == "Cancel":
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self._active.pop(dedup_key, None)
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else:
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self._active[dedup_key] = {
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"text": text,
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"channel": channel,
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"headline": headline,
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"severity": severity,
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"id": identifier,
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"sent": sent,
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}
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if self.config.get("send_to_mesh", True):
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await self.send_callback(text, channel)
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else:
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logger.info("NINA monitor-only: Mesh-Versand deaktiviert, nur WebSocket-Broadcast")
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if self.ws_manager:
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await self.ws_manager.broadcast("nina_alert", {
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"id": identifier,
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"severity": severity,
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"msgType": msg_type,
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"headline": headline,
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"sent": sent,
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"monitor_only": not self.config.get("send_to_mesh", True),
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})
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