Refs -- Stopped inheriting from PickleSerializer by RedisSerializer.
"""Redis cache backend."""
+import pickle
import random
import re
from django.core.cache.backends.base import DEFAULT_TIMEOUT, BaseCache
-from django.core.serializers.base import PickleSerializer
from django.utils.functional import cached_property
from django.utils.module_loading import import_string
-class RedisSerializer(PickleSerializer):
- """
- Similar to PickSerializer, except integers are serialized as native Redis
- integers for better incr() and decr() atomicity.
- """
+class RedisSerializer:
+ def __init__(self, protocol=None):
+ self.protocol = pickle.HIGHEST_PROTOCOL if protocol is None else protocol
+
def dumps(self, obj):
# Only skip pickling for integers, a int subclasses as bool should be
# pickled.
if type(obj) is int:
return obj
- return super().dumps(obj)
+ return pickle.dumps(obj, self.protocol)
def loads(self, data):
try:
return int(data)
except ValueError:
- return super().loads(data)
+ return pickle.loads(data)
class RedisCacheClient:
