40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
import logging
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import secrets
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from threading import Lock
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from .http import get_json
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API_HOST = "http://139.224.247.176:13499"
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MARKET_URL, PERIOD, HTTP_TIMEOUT = "/a/market", "60m", 5.0
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_market_lock = Lock()
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_market_status = "UNKNOWN"
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def status(payload) -> str:
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value = payload.get("data", payload) if isinstance(payload, dict) else payload
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if isinstance(value, list): value = value[-1] if value else None
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if isinstance(value, dict): value = value.get("action", value.get("status", value.get("signal")))
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result = str(value).strip().upper()
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return result if result in {"UP", "DOWN", "NEUTRAL"} else "UNKNOWN"
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def refresh_market(api_host: str = API_HOST) -> str:
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"""由后台调度线程刷新大盘状态；请求失败时缓存为 UNKNOWN。"""
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global _market_status
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url = f"{api_host}{MARKET_URL}?period={PERIOD}&t={secrets.token_urlsafe(12)}"
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try:
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result = status(get_json(url, HTTP_TIMEOUT))
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except Exception as exc:
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result = "UNKNOWN"
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logging.error("获取大盘指数失败: %s %s", url, exc)
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with _market_lock:
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_market_status = result
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logging.info("大盘信号: url=%s status=%s", url, result)
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return result
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def market_allow_open() -> bool:
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"""读取最近一次后台刷新得到的大盘缓存；未知状态时禁止开仓。"""
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with _market_lock:
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return _market_status == "UP"
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