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AEROWEB: 接入 aviation.meteo.fr，LFPB METAR 2 分钟内可获取， 实测温度替代 AROME 模式预报作为 Paris 电报推送数据源。 登录流程: PHPSESSID + MD5 密码 → ajax/login_valid.php， Session 20 分钟自动续期，XML 解析提取 tempe/td/dd/ff/qnh。 NCM: 沙特气象局 Meteomatics API 代码框架，待凭证激活。 Jeddah settlement_source 从废弃的 wunderground 迁移至 ncm。 同时清理: 日志文件 trading_system.log → polyweather.log， 删除 2026-02-07 的 1.2MB 废弃交易引擎日志。 Constraint: AEROWEB 需 AEROWEB_USERNAME/AEROWEB_PASSWORD 环境变量 Constraint: NCM 需 NCM_API_USERNAME/NCM_API_PASSWORD 环境变量 Confidence: high Tested: AEROWEB 登录→取数→解析端到端验证通过
128 lines
4.9 KiB
Python
128 lines
4.9 KiB
Python
from __future__ import annotations
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import os
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from datetime import datetime
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from typing import Dict, Optional
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from loguru import logger
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from src.utils.metrics import record_source_call
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class NcmSourceMixin:
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"""Fetch realtime observations from Saudi NCM via the Meteomatics API.
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API base: https://api-mm.ncm.gov.sa/
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Docs: https://api-doc.ncm.gov.sa/en/api/getting-started
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Auth via HTTP Basic Auth: username + password (set in .env as
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NCM_API_USERNAME / NCM_API_PASSWORD).
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Station for Jeddah: "Mataar Municipality" (ID 36) near OEJN.
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Uses source=mix-obs for real-time station observations.
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Parameters:
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t_2m:C — temperature at 2 m (°C)
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wind_speed_10m:ms — wind speed at 10 m (m/s)
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sfc_pressure:hPa — surface pressure (hPa)
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dew_point_2m:C — dew point at 2 m (°C)
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relative_humidity_2m:p — relative humidity (%)
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"""
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NCM_API_BASE = "https://api-mm.ncm.gov.sa"
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# Station 36 = Mataar Municipality (21.60 N, 39.25 E), closest to OEJN.
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# Use lat/lon for automatic nearest-station routing.
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JEDDAH_LAT = "21.6702"
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JEDDAH_LON = "39.1525"
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JEDDAH_STATION_ID = "36"
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PARAMS = "t_2m:C,wind_speed_10m:ms,sfc_pressure:hPa,dew_point_2m:C,relative_humidity_2m:p"
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def _ncm_auth(self) -> Optional[tuple]:
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username = os.getenv("NCM_API_USERNAME", "").strip()
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password = os.getenv("NCM_API_PASSWORD", "").strip()
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if not username or not password:
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return None
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return (username, password)
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def fetch_from_ncm(self) -> Optional[Dict]:
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"""Fetch latest observation for Jeddah from NCM."""
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started = datetime.now()
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auth = self._ncm_auth()
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if not auth:
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logger.warning("NCM credentials not configured (NCM_API_USERNAME / NCM_API_PASSWORD)")
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record_source_call("ncm", "station", "noauth", 0)
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return None
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def _elapsed_ms() -> float:
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return (datetime.now() - started).total_seconds() * 1000.0
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now_utc = datetime.utcnow()
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valid_time = now_utc.strftime("%Y-%m-%dT%H:%M:%SZ")
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location = f"{self.JEDDAH_LAT},{self.JEDDAH_LON}"
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url = f"{self.NCM_API_BASE}/{valid_time}/{self.PARAMS}/{location}/json?source=mix-obs"
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try:
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resp = self._http_get(url, auth=auth, timeout=self.timeout)
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if resp.status_code == 401:
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logger.error("NCM API authentication failed — check NCM_API_USERNAME / NCM_API_PASSWORD")
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record_source_call("ncm", "station", "auth_error", _elapsed_ms())
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return None
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if resp.status_code != 200:
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logger.warning("NCM API returned HTTP {}", resp.status_code)
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record_source_call("ncm", "station", "error", _elapsed_ms())
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return None
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body = resp.json()
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if not body:
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record_source_call("ncm", "station", "empty", _elapsed_ms())
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return None
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def _first_value(key: str) -> Optional[float]:
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"""NCM returns per-parameter arrays; extract the first value."""
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arr = body.get(key) if isinstance(body, dict) else None
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if arr and isinstance(arr, list) and len(arr) > 0:
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try:
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return float(arr[0])
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except (ValueError, TypeError):
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pass
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return None
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temp = _first_value("t_2m:C")
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wind_ms = _first_value("wind_speed_10m:ms")
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pressure = _first_value("sfc_pressure:hPa")
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dew_point = _first_value("dew_point_2m:C")
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humidity = _first_value("relative_humidity_2m:p")
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wind_kmh = round(wind_ms * 3.6, 1) if wind_ms is not None else None
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wind_kt = round(wind_ms * 1.94384, 1) if wind_ms is not None else None
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result: Dict = {
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"current": {
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"temp": temp,
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"humidity": humidity,
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"wind_speed_kmh": wind_kmh,
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"wind_speed_kt": wind_kt,
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"pressure": pressure,
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"dew_point": dew_point,
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},
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"obs_time": now_utc.strftime("%Y-%m-%dT%H:%M:%SZ"),
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"station_label": "Jeddah OEJN (NCM)",
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"lat": float(self.JEDDAH_LAT),
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"lon": float(self.JEDDAH_LON),
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}
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record_source_call("ncm", "station", "success", _elapsed_ms())
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logger.info(
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"NCM Jeddah {}: temp={}°C RH={}% wind={}km/h p={}hPa",
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valid_time,
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temp,
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humidity,
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wind_kmh,
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pressure,
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)
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return result
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except Exception:
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logger.exception("NCM fetch failed for Jeddah")
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record_source_call("ncm", "station", "error", _elapsed_ms())
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return None
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