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Use time.monotonic in OrderedDict LRU cache example #150986

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sobolevn merged 1 commit into from
Jun 5, 2026
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Use time.monotonic in OrderedDict LRU cache example #150986

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6 changes: 3 additions & 3 deletions Doc/library/collections.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -1233,7 +1233,7 @@ variants of :deco:`functools.lru_cache`:
.. testcode::

from collections import OrderedDict
from time import time
from time import monotonic

class TimeBoundedLRU:
"LRU Cache that invalidates and refreshes old entries."
Expand All @@ -1248,10 +1248,10 @@ variants of :deco:`functools.lru_cache`:
if args in self.cache:
self.cache.move_to_end(args)
timestamp, result = self.cache[args]
if time() - timestamp <= self.maxage:
if monotonic() - timestamp <= self.maxage:
return result
result = self.func(*args)
self.cache[args] = time(), result
self.cache[args] = monotonic(), result
if len(self.cache) > self.maxsize:
self.cache.popitem(last=False)
return result
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