feat: Implement core PolyWeather application with city weather query service, trend analysis, data collection, and dashboard UI.

This commit is contained in:
2569718930@qq.com
2026-03-11 10:49:35 +08:00
parent d2a40462c5
commit 1958b2764b
17 changed files with 24 additions and 279 deletions
-141
View File
@@ -42,25 +42,10 @@ class WeatherDataCollector:
"munich": ["EDDM", "EDMO", "EDJA"],
}
# Meteoblue 仅在增益最大的城市启用(减少配额消耗与冗余请求)
METEOBLUE_PRIORITY_CITIES = {
"ankara",
"london",
"paris",
"seoul",
"toronto",
"buenos aires",
"wellington",
"lucknow",
"sao paulo",
"munich",
}
def __init__(self, config: dict):
self.config = config
weather_cfg = config.get("weather", {})
self.wunderground_key = weather_cfg.get("wunderground_api_key")
self.meteoblue_key = weather_cfg.get("meteoblue_api_key")
self.timeout = 30 # 增加超时以支持高延迟 VPS
self.session = requests.Session()
@@ -91,11 +76,6 @@ class WeatherDataCollector:
)
self._open_meteo_last_call_ts: float = 0.0
self._open_meteo_call_lock = threading.Lock()
self.meteoblue_cache_ttl_sec = int(
os.getenv("METEOBLUE_CACHE_TTL_SEC", "7200")
)
self._meteoblue_cache: Dict[str, Dict] = {}
self._meteoblue_cache_lock = threading.Lock()
self.metar_cache_ttl_sec = int(
os.getenv("METAR_CACHE_TTL_SEC", "600") # 默认 10 分钟
)
@@ -1558,105 +1538,6 @@ class WeatherDataCollector:
return fallback
return None
def fetch_from_meteoblue(
self,
lat: float,
lon: float,
timezone_name: str = "UTC",
use_fahrenheit: bool = False,
) -> Optional[Dict]:
"""
通过 Meteoblue 官方 API 获取高精度预测数据
带本地缓存,避免频繁请求触发 429。
"""
if not self.meteoblue_key:
logger.warning("Meteoblue API Key 未配置,跳过抓取。")
return None
cache_key = f"{round(float(lat), 4)}:{round(float(lon), 4)}:{'f' if use_fahrenheit else 'c'}"
now_ts = time.time()
with self._meteoblue_cache_lock:
cached = self._meteoblue_cache.get(cache_key)
if (
cached
and now_ts - float(cached.get("t", 0)) < self.meteoblue_cache_ttl_sec
):
cached_data = cached.get("data")
if isinstance(cached_data, dict):
return dict(cached_data)
try:
# 1. 调用官方 API (使用 basic-day 包,它是多模型 ML 融合结果)
# 格式: https://my.meteoblue.com/packages/basic-day?apikey=KEY&lat=LAT&lon=LON&format=json
url = "https://my.meteoblue.com/packages/basic-day"
params = {
"apikey": self.meteoblue_key,
"lat": lat,
"lon": lon,
"format": "json",
"as_daylight": "true",
}
response = self.session.get(url, params=params, timeout=self.timeout)
response.raise_for_status()
data = response.json()
day_data = data.get("data_day", {})
max_temps = day_data.get("temperature_max", [])
if not max_temps:
logger.warning(
f"Meteoblue API 返回数据中找不到最高温 (坐标: {lat},{lon})"
)
return None
# 2. 转换单位
def c_to_f(c):
return round((c * 9 / 5) + 32, 1)
result = {
"source": "meteoblue",
"today_high": None,
"daily_highs": [],
"unit": "fahrenheit" if use_fahrenheit else "celsius",
"url": f"https://www.meteoblue.com/en/weather/week/{lat}N{lon}E", # 仅供参考
}
# 提取今日最高
mb_today_c = max_temps[0]
result["today_high"] = c_to_f(mb_today_c) if use_fahrenheit else mb_today_c
# 提取接下来几天的最高温
if use_fahrenheit:
result["daily_highs"] = [c_to_f(t) for t in max_temps]
else:
result["daily_highs"] = max_temps
with self._meteoblue_cache_lock:
self._meteoblue_cache[cache_key] = {
"t": now_ts,
"data": dict(result),
}
logger.info(
f"✅ Meteoblue API 获取成功 ({lat},{lon}): 今天 {result['today_high']}{result['unit']}"
)
return result
except Exception as e:
status_code = getattr(getattr(e, "response", None), "status_code", None)
if status_code == 429:
logger.warning("Meteoblue API 限流(429),尝试使用本地缓存回退。")
else:
logger.error(f"Meteoblue API fetch failed: {e}")
with self._meteoblue_cache_lock:
stale = self._meteoblue_cache.get(cache_key)
if stale and isinstance(stale.get("data"), dict):
fallback = dict(stale["data"])
fallback["stale_cache"] = True
return fallback
return None
def extract_date_from_title(self, title: str) -> Optional[str]:
"""
从标题中提取日期并标准化为 YYYY-MM-DD
@@ -1836,7 +1717,6 @@ class WeatherDataCollector:
unit = "f" if use_fahrenheit else "c"
open_meteo_key = f"{base}:14:{unit}"
ensemble_key = f"{base}:{unit}"
meteoblue_key = ensemble_key
multi_model_key = ensemble_key
with self._open_meteo_cache_lock:
@@ -1845,8 +1725,6 @@ class WeatherDataCollector:
self._ensemble_cache.pop(ensemble_key, None)
with self._multi_model_cache_lock:
self._multi_model_cache.pop(multi_model_key, None)
with self._meteoblue_cache_lock:
self._meteoblue_cache.pop(meteoblue_key, None)
icao = self.get_icao_code(city)
if icao:
@@ -1962,16 +1840,6 @@ class WeatherDataCollector:
# 获取时区偏移以过滤 METAR
utc_offset = open_meteo.get("utc_offset", 0)
if city_lower in self.METEOBLUE_PRIORITY_CITIES:
mb_data = self.fetch_from_meteoblue(
lat,
lon,
timezone_name=open_meteo.get("timezone", "UTC"),
use_fahrenheit=use_fahrenheit,
)
if mb_data:
results["meteoblue"] = mb_data
# 对美国城市,额外获取 NWS 高精预报
if use_fahrenheit:
nws_data = self.fetch_nws(lat, lon)
@@ -2023,15 +1891,6 @@ class WeatherDataCollector:
if cluster_data:
results["mgm_nearby"] = cluster_data
if city_lower in self.METEOBLUE_PRIORITY_CITIES:
mb_data = self.fetch_from_meteoblue(
lat,
lon,
timezone_name="UTC",
use_fahrenheit=use_fahrenheit,
)
if mb_data:
results["meteoblue"] = mb_data
if use_fahrenheit:
nws_data = self.fetch_nws(lat, lon)
if nws_data: