diff options
Diffstat (limited to 'Lib/functools.py')
| -rw-r--r-- | Lib/functools.py | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/Lib/functools.py b/Lib/functools.py index e92a2fcd68..098f6b6fac 100644 --- a/Lib/functools.py +++ b/Lib/functools.py @@ -97,7 +97,7 @@ def cmp_to_key(mycmp): """Convert a cmp= function into a key= function""" class K(object): __slots__ = ['obj'] - def __init__(self, obj, *args): + def __init__(self, obj): self.obj = obj def __lt__(self, other): return mycmp(self.obj, other.obj) < 0 @@ -115,6 +115,11 @@ def cmp_to_key(mycmp): raise TypeError('hash not implemented') return K +try: + from _functools import cmp_to_key +except ImportError: + pass + _CacheInfo = namedtuple("CacheInfo", "hits misses maxsize currsize") def lru_cache(maxsize=100): @@ -141,7 +146,7 @@ def lru_cache(maxsize=100): tuple=tuple, sorted=sorted, len=len, KeyError=KeyError): hits = misses = 0 - kwd_mark = object() # separates positional and keyword args + kwd_mark = (object(),) # separates positional and keyword args lock = Lock() # needed because ordereddicts aren't threadsafe if maxsize is None: @@ -152,7 +157,7 @@ def lru_cache(maxsize=100): nonlocal hits, misses key = args if kwds: - key += (kwd_mark,) + tuple(sorted(kwds.items())) + key += kwd_mark + tuple(sorted(kwds.items())) try: result = cache[key] hits += 1 @@ -171,7 +176,7 @@ def lru_cache(maxsize=100): nonlocal hits, misses key = args if kwds: - key += (kwd_mark,) + tuple(sorted(kwds.items())) + key += kwd_mark + tuple(sorted(kwds.items())) try: with lock: result = cache[key] |