feat: add multi-source weather data collector with OpenWeatherMap, Visual Crossing, and NOAA METAR support.

bot_listener.py

@@ -130,6 +130,7 @@ def start_bot():
             weather_data = weather.fetch_all_sources(city_name, lat=coords["lat"], lon=coords["lon"])
 
             msg_lines = [f"📍 <b>{city_name.title()} 天气详情</b>"]
+            msg_lines.append(f"⏱️ 生成时间: {datetime.now().strftime('%H:%M:%S')}")
             msg_lines.append("═" * 20)
 
             open_meteo = weather_data.get("open-meteo", {})
@@ -162,7 +163,11 @@ def start_bot():
                 if obs:
                     try:
                         obs_dt = datetime.fromisoformat(obs.replace("Z", "+00:00"))
-                        obs_str = obs_dt.strftime("%H:%M UTC")
+                        # 如果有 Open-Meteo 的时区偏移，则转换
+                        utc_offset = open_meteo.get("utc_offset", 0)
+                        from datetime import timezone, timedelta
+                        local_obs_dt = obs_dt.astimezone(timezone(timedelta(seconds=utc_offset)))
+                        obs_str = local_obs_dt.strftime("%H:%M") + " (当地)"
                     except:
                         obs_str = obs[:16]
                 else:

src/data_collection/weather_sources.py

@@ -1,5 +1,6 @@
 import requests
 import re
+import time
 from typing import Optional, Dict, List
 from datetime import datetime, timedelta
 from loguru import logger
@@ -228,9 +229,15 @@ class WeatherDataCollector:
                 "ids": icao,
                 "format": "json",
                 "hours": 3,  # 获取最近3小时的观测
+                "_t": int(time.time()),  # 禁用缓存
             }
 
-            response = self.session.get(url, params=params, timeout=self.timeout)
+            response = self.session.get(
+                url, 
+                params=params, 
+                headers={"Cache-Control": "no-cache", "Pragma": "no-cache"},
+                timeout=self.timeout
+            )
             response.raise_for_status()
 
             data = response.json()
@@ -319,6 +326,7 @@ class WeatherDataCollector:
                 "daily": "temperature_2m_max,apparent_temperature_max",
                 "timezone": "auto",
                 "forecast_days": forecast_days,
+                "_t": int(time.time()),  # 禁用缓存，强制刷新
             }
 
             # 对于美国市场，使用华氏度
@@ -328,6 +336,7 @@ class WeatherDataCollector:
             response = self.session.get(
                 url,
                 params=params,
+                headers={"Cache-Control": "no-cache", "Pragma": "no-cache"},
                 timeout=self.timeout,
             )
             response.raise_for_status()