Add RP5 forecast scraping support

This commit is contained in:
2569718930@qq.com
2026-03-17 23:15:13 +08:00
parent 9ac0a13937
commit 1ae9b55509
19 changed files with 1113 additions and 278 deletions
+127 -5
View File
@@ -7,6 +7,10 @@ import threading
from typing import Optional, Dict, List, Any
from datetime import datetime, timedelta, timezone
from loguru import logger
from src.data_collection.rp5_scraper import (
build_rp5_city_url_candidates,
scrape_rp5_forecast,
)
class WeatherDataCollector:
@@ -67,6 +71,13 @@ class WeatherDataCollector:
self.open_meteo_multi_model_cache_ttl_sec = int(
os.getenv("OPEN_METEO_MULTI_MODEL_CACHE_TTL_SEC", "900")
)
self.multi_model_cache_version = str(
os.getenv("OPEN_METEO_MULTI_MODEL_CACHE_VERSION", "v2")
).strip() or "v2"
self.rp5_multi_model_enabled = str(
os.getenv("RP5_MULTI_MODEL_ENABLED", "true")
).strip().lower() in {"1", "true", "yes", "on"}
self.rp5_timeout_sec = max(5, int(os.getenv("RP5_HTTP_TIMEOUT_SEC", "20")))
self._open_meteo_cache: Dict[str, Dict] = {}
self._ensemble_cache: Dict[str, Dict] = {}
self._multi_model_cache: Dict[str, Dict] = {}
@@ -1685,10 +1696,109 @@ class WeatherDataCollector:
return fallback
return None
def _merge_rp5_into_daily_forecasts(
self,
city: str,
dates: List[str],
daily_forecasts: Dict[str, Dict[str, float]],
use_fahrenheit: bool,
) -> Optional[Dict[str, Any]]:
"""
Scrape RP5 public forecast page and merge as an extra model line ("RP5").
"""
if not self.rp5_multi_model_enabled:
return None
city_key = str(city or "").strip().lower()
if not city_key:
return None
city_meta = self.CITY_REGISTRY.get(city_key, {})
city_name = str(city_meta.get("name") or city).strip()
candidates = build_rp5_city_url_candidates(city_name=city_name, city_key=city_key)
if not candidates:
return None
payload: Dict[str, Any] = {}
points: List[Dict[str, Any]] = []
for url in candidates:
try:
probe = scrape_rp5_forecast(
url=url,
timeout_sec=self.rp5_timeout_sec,
city_hint=city_name,
max_hops=3,
)
except Exception as exc:
logger.debug(f"RP5 scrape failed city={city_name} url={url}: {exc}")
continue
p = probe.get("points")
if isinstance(p, list) and p:
payload = probe
points = p
break
if not points:
return None
by_label: Dict[str, float] = {}
ordered_labels: List[str] = []
for row in points:
if not isinstance(row, dict):
continue
label = str(row.get("day_label") or "").strip()
if not label:
continue
temp_c = row.get("temp_c")
if temp_c is None:
continue
try:
temp_c_val = float(temp_c)
except Exception:
continue
if label not in by_label:
by_label[label] = temp_c_val
ordered_labels.append(label)
elif temp_c_val > by_label[label]:
by_label[label] = temp_c_val
if not ordered_labels:
return None
mapped_values: List[float] = [by_label[k] for k in ordered_labels]
mapped_count = min(len(dates), len(mapped_values))
for idx in range(mapped_count):
date_key = dates[idx]
value_c = mapped_values[idx]
value = value_c * 9 / 5 + 32 if use_fahrenheit else value_c
day_bucket = daily_forecasts.setdefault(date_key, {})
day_bucket["RP5"] = round(value, 1)
if not dates and mapped_values:
# Fallback: if Open-Meteo dates missing unexpectedly, create today bucket.
today_key = datetime.now(timezone.utc).strftime("%Y-%m-%d")
value_c = mapped_values[0]
value = value_c * 9 / 5 + 32 if use_fahrenheit else value_c
daily_forecasts.setdefault(today_key, {})["RP5"] = round(value, 1)
logger.info(
"RP5 merged city={} mapped_days={} url={}",
city_name,
mapped_count if dates else 1,
payload.get("resolved_url") or payload.get("url") or "",
)
return {
"source": "rp5_html",
"url": payload.get("url"),
"resolved_url": payload.get("resolved_url"),
"summary": payload.get("summary"),
"mapped_labels": ordered_labels[:mapped_count] if dates else ordered_labels[:1],
}
def fetch_multi_model(
self,
lat: float,
lon: float,
city: str = "",
use_fahrenheit: bool = False,
) -> Optional[Dict]:
"""
@@ -1704,9 +1814,10 @@ class WeatherDataCollector:
返回 3 天的预报数据,支持今日+明日共识分析
"""
cache_city = str(city or "").strip().lower()
cache_key = (
f"{round(float(lat), 4)}:{round(float(lon), 4)}:"
f"{'f' if use_fahrenheit else 'c'}"
f"{round(float(lat), 4)}:{round(float(lon), 4)}:{cache_city}:"
f"{'f' if use_fahrenheit else 'c'}:{self.multi_model_cache_version}"
)
self._maybe_reload_open_meteo_disk_cache()
now_ts = time.time()
@@ -1777,6 +1888,13 @@ class WeatherDataCollector:
if day_data:
daily_forecasts[date_str] = day_data
rp5_meta = self._merge_rp5_into_daily_forecasts(
city=city,
dates=dates,
daily_forecasts=daily_forecasts,
use_fahrenheit=use_fahrenheit,
)
if not daily_forecasts:
logger.warning("Multi-model: 无有效模型数据")
return None
@@ -1795,6 +1913,7 @@ class WeatherDataCollector:
"forecasts": forecasts, # 今天 {"ECMWF": 12.3, "GFS": 11.8, ...} (向后兼容)
"daily_forecasts": daily_forecasts, # 按天 {"2026-02-23": {...}, "2026-02-24": {...}}
"dates": dates,
"rp5": rp5_meta or {},
"unit": "fahrenheit" if use_fahrenheit else "celsius",
}
with self._multi_model_cache_lock:
@@ -2034,7 +2153,10 @@ class WeatherDataCollector:
unit = "f" if use_fahrenheit else "c"
open_meteo_key = f"{base}:14:{unit}"
ensemble_key = f"{base}:{unit}"
multi_model_key = ensemble_key
cache_city = str(city or "").strip().lower()
multi_model_key = (
f"{base}:{cache_city}:{unit}:{self.multi_model_cache_version}"
)
with self._open_meteo_cache_lock:
self._open_meteo_cache.pop(open_meteo_key, None)
@@ -2180,7 +2302,7 @@ class WeatherDataCollector:
# 多模型预报 (所有城市通用,用于共识评分)
mm_data = self.fetch_multi_model(
lat, lon, use_fahrenheit=use_fahrenheit
lat, lon, city=city, use_fahrenheit=use_fahrenheit
)
if mm_data:
results["multi_model"] = mm_data
@@ -2228,7 +2350,7 @@ class WeatherDataCollector:
if ens_data:
results["ensemble"] = ens_data
mm_data = self.fetch_multi_model(
lat, lon, use_fahrenheit=use_fahrenheit
lat, lon, city=city, use_fahrenheit=use_fahrenheit
)
if mm_data:
results["multi_model"] = mm_data