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Wrap cache.get in try-except block #1

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Wrap cache.get in try-except block #1

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19 changes: 17 additions & 2 deletions django_elasticache/memcached.py
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Original file line number Diff line number Diff line change
@@ -1,13 +1,23 @@
"""
Backend for django cache
"""
import logging
import socket
from functools import wraps
from django.core.cache import InvalidCacheBackendError
from django.core.cache.backends.memcached import BaseMemcachedCache
from threading import local
from .cluster_utils import get_cluster_info

try:
import pylibmc
from pylibmc import Error as MemcachedError
except ImportError:
raise InvalidCacheBackendError('Could not import pylibmc.')


logger = logging.getLogger('django.elasticache')


def invalidate_cache_after_error(f):
"""
Expand Down Expand Up @@ -107,8 +117,13 @@ def _cache(self):
return client

@invalidate_cache_after_error
def get(self, *args, **kwargs):
return super(ElastiCache, self).get(*args, **kwargs)
def get(self, key, default=None, version=None):
try:
return super(ElastiCache, self).get(*args, **kwargs)
except MemcachedError as e:
logger.error('MemcachedError: %s', e, exc_info=True)
return default


@invalidate_cache_after_error
def get_many(self, *args, **kwargs):
Expand Down