26 lines
653 B
Python
26 lines
653 B
Python
from datetime import datetime
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from typing import Tuple
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def get_timestamp_range(ts: int, delta_seconds: int = 5, unit: str = "microseconds") -> Tuple[int, int]:
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"""
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返回时间戳前后delta_seconds秒的范围（单位与输入一致）
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"""
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if ts <= 0:
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return 0, 0
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scale = {
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"seconds": 1,
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"milliseconds": 1000,
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"microseconds": 1_000_000,
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"nanoseconds": 1_000_000_000
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}.get(unit, 1_000_000) # 默认微秒
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delta = delta_seconds * scale
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return ts - delta, ts + delta
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def format_timestamp(timestamp: int) -> datetime:
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return datetime.fromtimestamp(timestamp / 1_000_000)
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