from datetime import datetime
from datetime import timezone
from dateutil.parser import isoparse
def parse_isoformat(isodate: str) -> datetime:
return isoparse(isodate).astimezone(timezone.utc)
def now() -> datetime:
return datetime.now(timezone.utc)
def as_utc(dt: datetime) -> datetime:
return dt.replace(tzinfo=timezone.utc)
