selfprivacy-rest-api/selfprivacy_api/utils/time.py

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2023-11-10 12:19:32 +00:00
from datetime import datetime, timezone
def tzaware_parse_time(iso_timestamp: str) -> datetime:
"""
parse an iso8601 timestamp into timezone-aware datetime
assume utc if no timezone in stamp
example of timestamp:
2023-11-10T12:07:47.868788+00:00
"""
dt = datetime.fromisoformat(iso_timestamp)
if dt.tzinfo is None:
dt = dt.astimezone(timezone.utc)
return dt
def tzaware_parse_time_strict(iso_timestamp: str) -> datetime:
"""
parse an iso8601 timestamp into timezone-aware datetime
raise an error if no timezone in stamp
example of timestamp:
2023-11-10T12:07:47.868788+00:00
"""
dt = datetime.fromisoformat(iso_timestamp)
if dt.tzinfo is None:
raise ValueError("no timezone in timestamp", iso_timestamp)
dt = dt.astimezone(timezone.utc)
return dt