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Important patch for #3459

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This commit is contained in:
Miroslav Stampar 2019-01-29 23:44:58 +01:00
parent e8f505b701
commit ed26dc0235
5 changed files with 60 additions and 11 deletions
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16
lib/core/decorators.py
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@ -7,10 +7,15 @@ See the file 'LICENSE' for copying permission
import functools
import hashlib
import threading
from lib.core.settings import MAX_CACHE_ITEMS
from lib.core.datatype import LRUDict
from lib.core.threads import getCurrentThreadData
def cachedmethod(f, cache={}):
_lock = threading.Lock()
def cachedmethod(f, cache=LRUDict(capacity=MAX_CACHE_ITEMS)):
"""
Method with a cached content
@ -19,11 +24,12 @@ def cachedmethod(f, cache={}):
@functools.wraps(f)
def _(*args, **kwargs):
key = int(hashlib.md5("|".join(str(_) for _ in (f, args, kwargs))).hexdigest(), 16) & 0x7fffffffffffffff
if key not in cache:
cache[key] = f(*args, **kwargs)
with _lock:
key = int(hashlib.md5("|".join(str(_) for _ in (f, args, kwargs))).hexdigest(), 16) & 0x7fffffffffffffff
if key not in cache:
cache[key] = f(*args, **kwargs)
return cache[key]
return cache[key]
return _