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tz.via_location: let user customize cachew refresh time

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This commit is contained in:
Sean Breckenridge 2023-02-21 19:16:06 -08:00
parent f35948d3c4
commit 1cf9dfe5dd
1 changed files with 9 additions and 2 deletions
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11
my/time/tz/via_location.py
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@ -41,6 +41,10 @@ class config(user_config):
# if the accuracy for the location is more than 5km, don't use # if the accuracy for the location is more than 5km, don't use
require_accuracy: float = 5_000 require_accuracy: float = 5_000
# how often (hours) to refresh the cachew timezone cache
# this may be removed in the future if we opt for dict-based caching
_iter_tz_refresh_time: int = 6
from collections import Counter from collections import Counter
from datetime import date, datetime from datetime import date, datetime
@ -142,15 +146,18 @@ def most_common(lst: List[DayWithZone]) -> DayWithZone:
def _iter_tz_depends_on() -> str: def _iter_tz_depends_on() -> str:
""" """
Since you might get new data which specifies a new timezone sometime Since you might get new data which specifies a new timezone sometime
in the day, this causes _iter_tzs to refresh every 6 hours, like: in the day, this causes _iter_tzs to refresh every _iter_tz_refresh_time hours
(default 6), like:
2022-04-26_00 2022-04-26_00
2022-04-26_06 2022-04-26_06
2022-04-26_12 2022-04-26_12
2022-04-26_18 2022-04-26_18
""" """
mod = config._iter_tz_refresh_time
assert mod >= 1
day = str(date.today()) day = str(date.today())
hr = datetime.now().hour hr = datetime.now().hour
hr_truncated = hr // 6 * 6 hr_truncated = hr // mod * mod
return "{}_{}".format(day, hr_truncated) return "{}_{}".format(day, hr_truncated)