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bpo-40571: Make lru_cache(maxsize=None) more discoverable (GH-20019)

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Raymond Hettinger 2020-05-11 17:00:53 -07:00 • committed by GitHub
parent 4804b5b3df
commit 21cdb711e3
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4 changed files with 57 additions and 1 deletions
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11
Lib/functools.py
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@ -10,7 +10,7 @@
# See C source code for _functools credits/copyright
__all__ = ['update_wrapper', 'wraps', 'WRAPPER_ASSIGNMENTS', 'WRAPPER_UPDATES',
'total_ordering', 'cmp_to_key', 'lru_cache', 'reduce',
'total_ordering', 'cache', 'cmp_to_key', 'lru_cache', 'reduce',
'TopologicalSorter', 'CycleError',
'partial', 'partialmethod', 'singledispatch', 'singledispatchmethod',
'cached_property']
@ -888,6 +888,15 @@ except ImportError:
pass
################################################################################
### cache -- simplified access to the infinity cache
################################################################################
def cache(user_function, /):
'Simple lightweight unbounded cache. Sometimes called "memoize".'
return lru_cache(maxsize=None)(user_function)
################################################################################
### singledispatch() - single-dispatch generic function decorator
################################################################################