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gh-143825: Micro-optimizations to _make_key. (gh-143844)

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Raymond Hettinger 2026-01-14 15:20:53 -06:00 committed by GitHub
parent 499706b843
commit f4de184980
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1 changed files with 5 additions and 3 deletions
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8
Lib/functools.py
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@ -517,7 +517,7 @@ def _unwrap_partialmethod(func):
### LRU Cache function decorator
################################################################################
_CacheInfo = namedtuple("CacheInfo", ["hits", "misses", "maxsize", "currsize"])
_CacheInfo = namedtuple("CacheInfo", ("hits", "misses", "maxsize", "currsize"))
def _make_key(args, kwds, typed,
kwd_mark = (object(),),
@ -539,13 +539,15 @@ def _make_key(args, kwds, typed,
# distinct call from f(y=2, x=1) which will be cached separately.
key = args
if kwds:
key = list(key)
key += kwd_mark
for item in kwds.items():
key += item
key = tuple(key)
if typed:
key += tuple(type(v) for v in args)
key += tuple([type(v) for v in args])
if kwds:
key += tuple(type(v) for v in kwds.values())
key += tuple([type(v) for v in kwds.values()])
elif len(key) == 1 and type(key[0]) in fasttypes:
return key[0]
return key