mirror of
https://github.com/python-kasa/python-kasa.git
synced 2024-12-23 03:33:35 +00:00
29 lines
778 B
Python
29 lines
778 B
Python
|
"""Module for caching ZoneInfos."""
|
||
|
|
|
||
|
|
from __future__ import annotations
|
||
|
|
|
||
|
|
import asyncio
|
||
|
|
|
||
|
|
from zoneinfo import ZoneInfo
|
||
|
|
|
||
|
|
|
||
|
|
class CachedZoneInfo(ZoneInfo):
|
||
|
|
"""Cache ZoneInfo objects."""
|
||
|
|
|
||
|
|
_cache: dict[str, ZoneInfo] = {}
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
async def get_cached_zone_info(cls, time_zone_str: str) -> ZoneInfo:
|
||
|
|
"""Get a cached zone info object."""
|
||
|
|
if cached := cls._cache.get(time_zone_str):
|
||
|
|
return cached
|
||
|
|
loop = asyncio.get_running_loop()
|
||
|
|
zinfo = await loop.run_in_executor(None, _get_zone_info, time_zone_str)
|
||
|
|
cls._cache[time_zone_str] = zinfo
|
||
|
|
return zinfo
|
||
|
|
|
||
|
|
|
||
|
|
def _get_zone_info(time_zone_str: str) -> ZoneInfo:
|
||
|
|
"""Get a time zone object for the given time zone string."""
|
||
|
|
return ZoneInfo(time_zone_str)
|