django1/django/core/cache/backends/dummy.py

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"Dummy cache backend"
from django.core.cache.backends.base import BaseCache
class DummyCache(BaseCache):
def __init__(self, host, *args, **kwargs):
BaseCache.__init__(self, *args, **kwargs)
def add(self, key, value, timeout=None, version=None):
key = self.make_key(key, version=version)
self.validate_key(key)
return True
def get(self, key, default=None, version=None):
key = self.make_key(key, version=version)
self.validate_key(key)
return default
def set(self, key, value, timeout=None, version=None):
key = self.make_key(key, version=version)
self.validate_key(key)
def delete(self, key, version=None):
key = self.make_key(key, version=version)
self.validate_key(key)
def get_many(self, keys, version=None):
return {}
def has_key(self, key, version=None):
key = self.make_key(key, version=version)
self.validate_key(key)
return False
def set_many(self, data, version=None):
pass
def delete_many(self, keys, version=None):
pass
def clear(self):
pass
# For backwards compatibility
class CacheClass(DummyCache):
pass