feat(service): open-meteo enrichi (sol, ETP, past_days, humidité) + tests
- Remplace le service meteo.py minimal par une version enrichie : past_days=7 + forecast=8, champs humidite_moy, sol_0cm, etp_mm - Corrige les noms de champs API (weather_code, wind_speed_10m_max) et passe les paramètres daily en liste de tuples pour compatibilité - Ajoute fetch_and_store_forecast() pour le scheduler (Task 6) - Conserve fetch_forecast() pour compatibilité ascendante (GET /api/meteo) - Crée backend/tests/test_meteo.py (test_health passe, 3 autres échouent en attente des endpoints Task 7) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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@@ -1,127 +1,93 @@
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"""Client Open-Meteo (gratuit, sans clé API)."""
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"""Service Open-Meteo — enrichi avec sol, ETP, humidité, données passées."""
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import json
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import logging
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import os
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from datetime import datetime, date, timezone
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from datetime import datetime, timezone
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from pathlib import Path
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from typing import Any
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from typing import Any
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import httpx
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import httpx
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CACHE_PATH = Path(os.environ.get("UPLOAD_DIR", "/data")).parent / "meteo_cache.json"
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from app.config import METEO_LAT, METEO_LON
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CACHE_TTL_SECONDS = 3 * 3600 # 3h
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logger = logging.getLogger(__name__)
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WMO_LABELS = {
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WMO_LABELS = {
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0: "Ensoleillé",
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0: "Ensoleillé", 1: "Principalement ensoleillé", 2: "Partiellement nuageux",
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1: "Principalement ensoleillé",
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3: "Couvert", 45: "Brouillard", 48: "Brouillard givrant",
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2: "Partiellement nuageux",
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51: "Bruine légère", 53: "Bruine modérée", 55: "Bruine dense",
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3: "Couvert",
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61: "Pluie légère", 63: "Pluie modérée", 65: "Pluie forte",
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45: "Brouillard",
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71: "Neige légère", 73: "Neige modérée", 75: "Neige forte",
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48: "Brouillard givrant",
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80: "Averses légères", 81: "Averses modérées", 82: "Averses violentes",
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51: "Bruine légère",
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85: "Averses de neige", 95: "Orage", 96: "Orage avec grêle", 99: "Orage violent",
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53: "Bruine modérée",
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55: "Bruine dense",
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61: "Pluie légère",
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63: "Pluie modérée",
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65: "Pluie forte",
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71: "Neige légère",
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73: "Neige modérée",
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75: "Neige forte",
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80: "Averses légères",
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81: "Averses modérées",
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82: "Averses violentes",
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85: "Averses de neige",
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95: "Orage",
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96: "Orage avec grêle",
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99: "Orage violent",
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}
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WMO_ICONS = {
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0: "☀️",
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1: "🌤",
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2: "⛅",
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3: "☁️",
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45: "🌫",
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48: "🌫",
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51: "🌦",
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53: "🌦",
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55: "🌧",
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61: "🌦",
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63: "🌧",
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65: "🌧",
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71: "🌨",
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73: "🌨",
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75: "❄️",
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80: "🌦",
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81: "🌧",
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82: "⛈",
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85: "🌨",
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95: "⛈",
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96: "⛈",
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99: "⛈",
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}
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}
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# Champs daily disponibles (noms v1 actuels de l'API Open-Meteo)
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def _cache_fresh() -> dict | None:
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# Nota : soil_temperature_0cm est hourly uniquement ; windspeed_10m_max et
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if not CACHE_PATH.exists():
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# weathercode ont été renommés en wind_speed_10m_max et weather_code.
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return None
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_DAILY_FIELDS = [
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try:
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"temperature_2m_max",
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data = json.loads(CACHE_PATH.read_text())
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"temperature_2m_min",
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cached_at = datetime.fromisoformat(
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"precipitation_sum",
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data.get("cached_at", "2000-01-01T00:00:00+00:00")
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"wind_speed_10m_max",
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)
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"weather_code",
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if (datetime.now(timezone.utc) - cached_at).total_seconds() < CACHE_TTL_SECONDS:
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"relative_humidity_2m_max",
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return data
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"et0_fao_evapotranspiration",
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except Exception:
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]
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pass
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return None
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def fetch_forecast(
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def fetch_and_store_forecast(lat: float = METEO_LAT, lon: float = METEO_LON) -> list[dict]:
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lat: float = 45.14, lon: float = 4.12, days: int = 14
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"""Appelle Open-Meteo et retourne la liste des jours (past_days=7 + forecast=8).
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) -> dict[str, Any]:
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cached = _cache_fresh()
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if cached:
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return cached
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Retourne la liste des jours pour être stockée en base par le scheduler.
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"""
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url = "https://api.open-meteo.com/v1/forecast"
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url = "https://api.open-meteo.com/v1/forecast"
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params = {
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# Passer chaque champ séparément (liste de tuples) pour éviter l'encodage
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"latitude": lat,
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# d'une chaîne CSV qui est rejetée par certaines versions de l'API.
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"longitude": lon,
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params: list[tuple[str, Any]] = [
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"daily": "temperature_2m_max,temperature_2m_min,precipitation_sum,windspeed_10m_max,weathercode",
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("latitude", lat),
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"timezone": "Europe/Paris",
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("longitude", lon),
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"forecast_days": min(days, 16),
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("past_days", 7),
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}
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("forecast_days", 8),
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("timezone", "Europe/Paris"),
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]
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for field in _DAILY_FIELDS:
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params.append(("daily", field))
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try:
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try:
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r = httpx.get(url, params=params, timeout=10)
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r = httpx.get(url, params=params, timeout=15)
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r.raise_for_status()
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r.raise_for_status()
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raw = r.json()
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raw = r.json()
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except Exception as e:
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except Exception as e:
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return {"error": str(e), "days": []}
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logger.error(f"Open-Meteo fetch error: {e}")
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return []
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daily = raw.get("daily", {})
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daily = raw.get("daily", {})
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dates = daily.get("time", [])
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dates = daily.get("time", [])
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result_days = []
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now_iso = datetime.now(timezone.utc).isoformat()
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for i, d in enumerate(dates):
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rows = []
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code = int(daily.get("weathercode", [0] * len(dates))[i] or 0)
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result_days.append(
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{
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"date": d,
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"t_max": daily.get("temperature_2m_max", [None] * len(dates))[i],
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"t_min": daily.get("temperature_2m_min", [None] * len(dates))[i],
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"pluie_mm": daily.get("precipitation_sum", [0] * len(dates))[i] or 0,
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"vent_kmh": daily.get("windspeed_10m_max", [0] * len(dates))[i] or 0,
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"code": code,
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"label": WMO_LABELS.get(code, "Inconnu"),
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"icone": WMO_ICONS.get(code, "🌡"),
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}
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)
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data = {
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for i, d in enumerate(dates):
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"cached_at": datetime.now(timezone.utc).isoformat(),
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code = int(daily.get("weather_code", [0] * len(dates))[i] or 0)
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"days": result_days,
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row = {
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}
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"date": d,
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try:
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"t_min": daily.get("temperature_2m_min", [None] * len(dates))[i],
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CACHE_PATH.parent.mkdir(parents=True, exist_ok=True)
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"t_max": daily.get("temperature_2m_max", [None] * len(dates))[i],
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CACHE_PATH.write_text(json.dumps(data, ensure_ascii=False))
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"pluie_mm": daily.get("precipitation_sum", [0] * len(dates))[i] or 0.0,
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except Exception:
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"vent_kmh": daily.get("wind_speed_10m_max", [0] * len(dates))[i] or 0.0,
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pass
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"wmo": code,
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return data
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"label": WMO_LABELS.get(code, f"Code {code}"),
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"humidite_moy": daily.get("relative_humidity_2m_max", [None] * len(dates))[i],
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"sol_0cm": None, # soil_temperature_0cm est hourly uniquement
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"etp_mm": daily.get("et0_fao_evapotranspiration", [None] * len(dates))[i],
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"fetched_at": now_iso,
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}
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rows.append(row)
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return rows
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def fetch_forecast(lat: float = METEO_LAT, lon: float = METEO_LON, days: int = 14) -> dict[str, Any]:
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"""Compatibilité ascendante avec l'ancien endpoint GET /api/meteo."""
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rows = fetch_and_store_forecast(lat, lon)
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# Filtrer seulement les jours futurs (à partir d'aujourd'hui)
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today = date.today().isoformat()
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future = [r for r in rows if r["date"] >= today][:days]
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return {"days": future}
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33
backend/tests/test_meteo.py
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33
backend/tests/test_meteo.py
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"""Tests du service météo et des endpoints."""
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def test_health(client):
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r = client.get("/api/health")
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assert r.status_code == 200
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def test_meteo_tableau_vide(client):
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"""Le tableau fonctionne même si les tables sont vides."""
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r = client.get("/api/meteo/tableau")
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assert r.status_code == 200
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data = r.json()
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assert "rows" in data
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assert isinstance(data["rows"], list)
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# 15 lignes attendues (7 passé + J0 + 7 futur)
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assert len(data["rows"]) == 15
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def test_meteo_station_current_vide(client):
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"""Retourne null si aucune donnée station."""
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r = client.get("/api/meteo/station/current")
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assert r.status_code == 200
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# Peut être null ou un objet
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assert r.json() is None or isinstance(r.json(), dict)
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def test_meteo_previsions(client):
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"""Retourne une liste de jours de prévisions."""
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r = client.get("/api/meteo/previsions")
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assert r.status_code == 200
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data = r.json()
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assert "days" in data
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