Coverage for /pythoncovmergedfiles/medio/medio/src/jupyter_server/jupyter_server/_tz.py: 69%

1""" 

2Timezone utilities 

3 

4Just UTC-awareness right now 

5""" 

6 

7# Copyright (c) Jupyter Development Team. 

8# Distributed under the terms of the Modified BSD License. 

9from __future__ import annotations 

10 

11from datetime import datetime, timedelta, timezone, tzinfo 

12 

13# constant for zero offset 

14ZERO = timedelta(0) 

15 

16 

17class tzUTC(tzinfo): # noqa: N801 

18 """tzinfo object for UTC (zero offset)""" 

19 

20 def utcoffset(self, d: datetime | None) -> timedelta: 

21 """Compute utcoffset.""" 

22 return ZERO 

23 

24 def dst(self, d: datetime | None) -> timedelta: 

25 """Compute dst.""" 

26 return ZERO 

27 

28 

29def utcnow() -> datetime: 

30 """Return timezone-aware UTC timestamp""" 

31 return datetime.now(timezone.utc) 

32 

33 

34def utcfromtimestamp(timestamp: float) -> datetime: 

35 return datetime.fromtimestamp(timestamp, timezone.utc) 

36 

37 

38UTC = tzUTC() # type:ignore[abstract] 

39 

40 

41def isoformat(dt: datetime) -> str: 

42 """Return iso-formatted timestamp 

43 

44 Like .isoformat(), but uses Z for UTC instead of +00:00 

45 """ 

46 return dt.isoformat().replace("+00:00", "Z")