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tomllib: Add a comment about implicit lru_cache bound (GH-126078)

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Taneli Hukkinen 2024-10-29 12:36:14 +02:00 committed by GitHub
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commit 67f5c5bd6f
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Lib/tomllib/_re.py
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@ -84,6 +84,9 @@ def match_to_datetime(match: re.Match) -> datetime | date:
return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz) return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz)
# No need to limit cache size. This is only ever called on input
# that matched RE_DATETIME, so there is an implicit bound of
# 24 (hours) * 60 (minutes) * 2 (offset direction) = 2880.
@lru_cache(maxsize=None) @lru_cache(maxsize=None)
def cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezone: def cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezone:
sign = 1 if sign_str == "+" else -1 sign = 1 if sign_str == "+" else -1