2569718930@qq.com
46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
"""Standalone observation collector process.
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The FastAPI web worker must stay responsive for health checks and user-facing
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API routes. High-frequency source polling runs here instead of inside the web
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request process.
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"""
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from __future__ import annotations
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import signal
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import threading
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from types import FrameType
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from typing import Optional
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from loguru import logger
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from web.core import _weather
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from web.observation_collector_service import start_observation_collector_loop
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_STOP_EVENT = threading.Event()
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def _handle_stop_signal(signum: int, _frame: Optional[FrameType]) -> None:
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logger.info("observation collector worker stopping signal={}", signum)
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_STOP_EVENT.set()
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def main() -> None:
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signal.signal(signal.SIGINT, _handle_stop_signal)
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signal.signal(signal.SIGTERM, _handle_stop_signal)
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thread = start_observation_collector_loop(
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weather=_weather,
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)
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if thread is None:
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logger.warning("observation collector worker started with collector disabled")
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else:
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logger.info("observation collector worker started thread={}", thread.name)
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while not _STOP_EVENT.wait(3600):
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pass
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if __name__ == "__main__":
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main()
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