接口添加缓存策略
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@@ -52,8 +52,9 @@ def _f(v) -> float | None:
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return None if math.isnan(f) else f
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def _d(v) -> date | None:
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return datetime.strptime(str(v), "%Y%m%d").date() if v else None
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def _d(v) -> str | None:
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"""YYYYMMDD -> 'YYYY-MM-DD'(字符串便于 JSON 缓存;pydantic 响应模型自动 coerce)。"""
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return datetime.strptime(str(v), "%Y%m%d").date().isoformat() if v else None
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def _get_pro():
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@@ -152,7 +153,7 @@ async def fetch_overview() -> dict:
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errors.append(f"两市统计: {str(e)[:60]}")
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payload = {
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"updated_at": datetime.now(),
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"updated_at": datetime.now().isoformat(), # 字符串:cache_set 走 json.dumps
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"indexes": indexes,
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"stats": stats,
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"errors": errors,
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