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Merge branch 'ticket_20613' of https://github.com/ersran9/django into t20613

This commit is contained in:
Alex Gaynor 2013-07-08 09:23:59 +10:00
parent d66bd1dfb9 76ee39ce14
commit 126250a4c4
1 changed files with 25 additions and 22 deletions
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17
django/core/cache/backends/locmem.py vendored
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@ -26,28 +26,31 @@ class LocMemCache(BaseCache):
def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
key = self.make_key(key, version=version)
self.validate_key(key)
try:
pickled = pickle.dumps(value, pickle.HIGHEST_PROTOCOL)
except pickle.PickleError:
return False
with self._lock.writer():
exp = self._expire_info.get(key)
if exp is None or exp <= time.time():
try:
pickled = pickle.dumps(value, pickle.HIGHEST_PROTOCOL)
self._set(key, pickled, timeout)
return True
except pickle.PickleError:
pass
return False
def get(self, key, default=None, version=None):
key = self.make_key(key, version=version)
self.validate_key(key)
pickled = None
with self._lock.reader():
exp = self._expire_info.get(key, 0)
if exp is None or exp > time.time():
try:
pickled = self._cache[key]
try:
if pickled is not None:
return pickle.loads(pickled)
except pickle.PickleError:
return default
with self._lock.writer():
try:
del self._cache[key]
@ -68,9 +71,9 @@ class LocMemCache(BaseCache):
def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
key = self.make_key(key, version=version)
self.validate_key(key)
with self._lock.writer():
try:
pickled = pickle.dumps(value, pickle.HIGHEST_PROTOCOL)
with self._lock.writer():
self._set(key, pickled, timeout)
except pickle.PickleError:
pass
@ -81,9 +84,9 @@ class LocMemCache(BaseCache):
raise ValueError("Key '%s' not found" % key)
new_value = value + delta
key = self.make_key(key, version=version)
with self._lock.writer():
try:
pickled = pickle.dumps(new_value, pickle.HIGHEST_PROTOCOL)
with self._lock.writer():
self._cache[key] = pickled
except pickle.PickleError:
pass