Soulter
28 lines
793 B
Python
28 lines
793 B
Python
from datetime import datetime, timezone
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def normalize_datetime_utc(dt: datetime | None) -> datetime | None:
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"""Normalize datetime values to UTC.
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Naive datetimes are interpreted as UTC to match SQLite storage behavior.
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"""
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if dt is None:
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return None
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if dt.tzinfo is None or dt.tzinfo.utcoffset(dt) is None:
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return dt.replace(tzinfo=timezone.utc)
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return dt.astimezone(timezone.utc)
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def to_utc_isoformat(dt: datetime | None) -> str | None:
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normalized = normalize_datetime_utc(dt)
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if normalized is None:
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return None
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return normalized.isoformat()
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def to_utc_timestamp(dt: datetime | None) -> float | None:
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normalized = normalize_datetime_utc(dt)
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if normalized is None:
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return None
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return normalized.timestamp()
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