WintryWind
fd223bb259
* fix: resolve unhandled UTC timezone offset for timestamps in conversation records * fix: standardize timezone imports * fix: unify UTC datetime normalization in dashboard routes --------- Co-authored-by: 邹永赫 <1259085392@qq.com>
28 lines
793 B
Python
28 lines
793 B
Python
from datetime import datetime, timezone
|
|
|
|
|
|
def normalize_datetime_utc(dt: datetime | None) -> datetime | None:
|
|
"""Normalize datetime values to UTC.
|
|
|
|
Naive datetimes are interpreted as UTC to match SQLite storage behavior.
|
|
"""
|
|
if dt is None:
|
|
return None
|
|
if dt.tzinfo is None or dt.tzinfo.utcoffset(dt) is None:
|
|
return dt.replace(tzinfo=timezone.utc)
|
|
return dt.astimezone(timezone.utc)
|
|
|
|
|
|
def to_utc_isoformat(dt: datetime | None) -> str | None:
|
|
normalized = normalize_datetime_utc(dt)
|
|
if normalized is None:
|
|
return None
|
|
return normalized.isoformat()
|
|
|
|
|
|
def to_utc_timestamp(dt: datetime | None) -> float | None:
|
|
normalized = normalize_datetime_utc(dt)
|
|
if normalized is None:
|
|
return None
|
|
return normalized.timestamp()
|