[Python-checkins] cpython (3.3): Sync-up with 3.4 to make maintenance easier.
raymond.hettinger
python-checkins at python.org
Sat Mar 9 08:05:29 CET 2013
http://hg.python.org/cpython/rev/a9fa8a18d18d
changeset: 82560:a9fa8a18d18d
branch: 3.3
parent: 82558:1af9f7df3a96
user: Raymond Hettinger <python at rcn.com>
date: Fri Mar 08 23:01:07 2013 -0800
summary:
Sync-up with 3.4 to make maintenance easier.
files:
Lib/functools.py | 16 +++++++---------
1 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/Lib/functools.py b/Lib/functools.py
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -222,7 +222,7 @@
def decorating_function(user_function):
cache = {}
- hits = misses = currsize = 0
+ hits = misses = 0
full = False
cache_get = cache.get # bound method to lookup a key or return None
lock = RLock() # because linkedlist updates aren't threadsafe
@@ -242,7 +242,7 @@
def wrapper(*args, **kwds):
# Simple caching without ordering or size limit
- nonlocal hits, misses, currsize
+ nonlocal hits, misses
key = make_key(args, kwds, typed)
result = cache_get(key, sentinel)
if result is not sentinel:
@@ -251,14 +251,13 @@
result = user_function(*args, **kwds)
cache[key] = result
misses += 1
- currsize += 1
return result
else:
def wrapper(*args, **kwds):
# Size limited caching that tracks accesses by recency
- nonlocal root, hits, misses, currsize, full
+ nonlocal root, hits, misses, full
key = make_key(args, kwds, typed)
with lock:
link = cache_get(key)
@@ -307,23 +306,22 @@
last = root[PREV]
link = [last, root, key, result]
last[NEXT] = root[PREV] = cache[key] = link
- currsize += 1
- full = (currsize >= maxsize)
+ full = (len(cache) >= maxsize)
misses += 1
return result
def cache_info():
"""Report cache statistics"""
with lock:
- return _CacheInfo(hits, misses, maxsize, currsize)
+ return _CacheInfo(hits, misses, maxsize, len(cache))
def cache_clear():
"""Clear the cache and cache statistics"""
- nonlocal hits, misses, currsize, full
+ nonlocal hits, misses, full
with lock:
cache.clear()
root[:] = [root, root, None, None]
- hits = misses = currsize = 0
+ hits = misses = 0
full = False
wrapper.cache_info = cache_info
--
Repository URL: http://hg.python.org/cpython
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