19 lines
527 B
Python
19 lines
527 B
Python
"""每个半小时刻度提前5分钟采集，返回值标记对应的半小时刻度。"""
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import time
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HALF_HOUR_SECONDS = 30 * 60
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UPDATE_LEAD_SECONDS = 5 * 60
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def half_hour_start(timestamp: float | None = None) -> int:
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if timestamp is None:
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timestamp = time.time()
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return int(timestamp) // HALF_HOUR_SECONDS * HALF_HOUR_SECONDS
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def refresh_slot(timestamp: float | None = None) -> int:
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if timestamp is None:
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timestamp = time.time()
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return half_hour_start(timestamp + UPDATE_LEAD_SECONDS)
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