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- """
- Timezone utilities
- Just UTC-awareness right now
- """
- # Copyright (c) Jupyter Development Team.
- # Distributed under the terms of the Modified BSD License.
- from __future__ import annotations
- from datetime import datetime, timedelta, timezone, tzinfo
- # constant for zero offset
- ZERO = timedelta(0)
- class tzUTC(tzinfo): # noqa: N801
- """tzinfo object for UTC (zero offset)"""
- def utcoffset(self, d: datetime | None) -> timedelta:
- """Compute utcoffset."""
- return ZERO
- def dst(self, d: datetime | None) -> timedelta:
- """Compute dst."""
- return ZERO
- def utcnow() -> datetime:
- """Return timezone-aware UTC timestamp"""
- return datetime.now(timezone.utc)
- def utcfromtimestamp(timestamp: float) -> datetime:
- return datetime.fromtimestamp(timestamp, timezone.utc)
- UTC = tzUTC() # type:ignore[abstract]
- def isoformat(dt: datetime) -> str:
- """Return iso-formatted timestamp
- Like .isoformat(), but uses Z for UTC instead of +00:00
- """
- return dt.isoformat().replace("+00:00", "Z")
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