129 lines
4.2 KiB
Python
129 lines
4.2 KiB
Python
import requests
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import datetime
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import os
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import json
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import time
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from dateutil import parser
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from zoneinfo import ZoneInfo
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# --- CONFIGURAZIONE ---
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TELEGRAM_BOT_TOKEN = "8155587974:AAF9OekvBpixtk8ZH6KoIc0L8edbhdXt7A4"
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TELEGRAM_CHAT_IDS = ["64463169", "24827341", "132455422", "5405962012"]
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# Coordinate (San Marino)
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LAT = 43.9356
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LON = 12.4296
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# SOGLIE DI ALLARME
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WIND_LIMIT_WARN = 60.0 # km/h (Attenzione: Vasi, stendini)
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WIND_LIMIT_CRIT = 90.0 # km/h (Pericolo)
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RAIN_3H_LIMIT = 25.0 # mm in 3 ore (Rischio allagamenti/disagi forti)
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# File di stato per evitare spam (memorizza ultimo avviso inviato)
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STATE_FILE = "/tmp/weather_alert_state.json"
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def send_telegram(msg):
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if "INSERISCI" in TELEGRAM_BOT_TOKEN: return
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url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage"
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for cid in TELEGRAM_CHAT_IDS:
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try:
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requests.post(url, json={"chat_id": cid, "text": msg, "parse_mode": "Markdown"}, timeout=5)
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time.sleep(0.2)
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except: pass
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def get_forecast():
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url = "https://api.open-meteo.com/v1/forecast"
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params = {
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"latitude": LAT, "longitude": LON,
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"hourly": "precipitation,windgusts_10m",
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"models": "arome_france_hd", # Alta precisione
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"timezone": "Europe/Rome",
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"forecast_days": 2
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}
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try:
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r = requests.get(url, params=params, timeout=10)
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r.raise_for_status()
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return r.json()
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except: return None
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def load_state():
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if os.path.exists(STATE_FILE):
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try:
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with open(STATE_FILE, 'r') as f: return json.load(f)
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except: pass
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return {"last_wind": 0, "last_rain": 0, "time": 0}
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def save_state(state):
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with open(STATE_FILE, 'w') as f: json.dump(state, f)
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def analyze():
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data = get_forecast()
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if not data: return
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hourly = data.get("hourly", {})
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times = hourly.get("time", [])
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wind = hourly.get("windgusts_10m", [])
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rain = hourly.get("precipitation", [])
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now = datetime.datetime.now(ZoneInfo("Europe/Rome"))
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state = load_state()
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# Reset stato se sono passate più di 8 ore dall'ultimo avviso
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if time.time() - state.get("time", 0) > (8 * 3600):
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state = {"last_wind": 0, "last_rain": 0, "time": time.time()}
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# Trova indice ora corrente
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start_idx = -1
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for i, t in enumerate(times):
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if parser.isoparse(t).replace(tzinfo=ZoneInfo("Europe/Rome")) >= now:
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start_idx = i
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break
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if start_idx == -1: return
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# Analisi prossime 12 ore
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end_idx = min(start_idx + 12, len(times))
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max_wind = 0.0
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max_wind_time = ""
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sum_rain_3h = 0.0
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# Cerca picco vento nelle 12h
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for i in range(start_idx, end_idx):
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if wind[i] > max_wind:
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max_wind = wind[i]
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max_wind_time = parser.isoparse(times[i]).strftime('%H:%M')
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# Cerca picco pioggia (finestra mobile 3h)
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for i in range(start_idx, end_idx - 3):
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current_sum = sum(rain[i:i+3])
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if current_sum > sum_rain_3h:
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sum_rain_3h = current_sum
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alerts = []
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# LOGICA VENTO
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if max_wind > WIND_LIMIT_WARN:
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# Manda avviso solo se è peggiore del precedente o se non ho mandato nulla
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if max_wind > state["last_wind"] + 10: # +10km/h di tolleranza per non ripetere
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icon = "💨" if max_wind < WIND_LIMIT_CRIT else "🌪️ ⛔️"
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livello = "FORTE" if max_wind < WIND_LIMIT_CRIT else "BURRASCA (Pericolo)"
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alerts.append(f"{icon} **VENTO {livello}**\nRaffiche previste fino a **{max_wind:.0f} km/h** verso le {max_wind_time}.\n_Consiglio: Ritirare oggetti leggeri/tende._")
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state["last_wind"] = max_wind
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state["time"] = time.time()
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# LOGICA PIOGGIA
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if sum_rain_3h > RAIN_3H_LIMIT:
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if sum_rain_3h > state["last_rain"] + 10:
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alerts.append(f"🌧️ **PIOGGIA INTENSA**\nPrevisti **{sum_rain_3h:.1f} mm** in sole 3 ore.\n_Possibili disagi stradali._")
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state["last_rain"] = sum_rain_3h
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state["time"] = time.time()
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if alerts:
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full_msg = f"⚠️ **AVVISO METEO (Prossime 12h)**\n\n" + "\n\n".join(alerts)
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send_telegram_message(full_msg)
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save_state(state)
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if __name__ == "__main__":
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analyze()
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