diff options
Diffstat (limited to 'Lib/functools.py')
| -rw-r--r-- | Lib/functools.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Lib/functools.py b/Lib/functools.py index 45e5f87ede..b278bc20eb 100644 --- a/Lib/functools.py +++ b/Lib/functools.py @@ -493,6 +493,7 @@ def _lru_cache_wrapper(user_function, maxsize, typed, _CacheInfo): hits = misses = 0 full = False cache_get = cache.get # bound method to lookup a key or return None + cache_len = cache.__len__ # get cache size without calling len() lock = RLock() # because linkedlist updates aren't threadsafe root = [] # root of the circular doubly linked list root[:] = [root, root, None, None] # initialize by pointing to self @@ -574,16 +575,16 @@ def _lru_cache_wrapper(user_function, maxsize, typed, _CacheInfo): last = root[PREV] link = [last, root, key, result] last[NEXT] = root[PREV] = cache[key] = link - # Use the __len__() method instead of the len() function + # Use the cache_len bound method instead of the len() function # which could potentially be wrapped in an lru_cache itself. - full = (cache.__len__() >= maxsize) + full = (cache_len() >= maxsize) misses += 1 return result def cache_info(): """Report cache statistics""" with lock: - return _CacheInfo(hits, misses, maxsize, cache.__len__()) + return _CacheInfo(hits, misses, maxsize, cache_len()) def cache_clear(): """Clear the cache and cache statistics""" |