Ticket #8414: cahche.patch

core/cache/backends/base.py

@@ -13 +13 @@
         except (ValueError, TypeError):
             timeout = 300
         self.default_timeout = timeout
+        self._key_prefix = params.get('key_prefix', '')
 
     def add(self, key, value, timeout=None):
         """

core/cache/backends/memcached.py

@@ -17 +17 @@
         self._cache = memcache.Client(server.split(';'))
 
     def add(self, key, value, timeout=0):
-        return self._cache.add(key.encode('ascii', 'ignore'), value, timeout or self.default_timeout)
+        return self._cache.add('%s%s' % (self._key_prefix, key.encode('ascii', 'ignore')), value, timeout or self.default_timeout)
 
     def get(self, key, default=None):
-        val = self._cache.get(smart_str(key))
+        val = self._cache.get(smart_str('%s%s' % (self._key_prefix, key)))
         if val is None:
             return default
         else:
@@ -32 +32 @@
     def set(self, key, value, timeout=0):
         if isinstance(value, unicode):
             value = value.encode('utf-8')
-        self._cache.set(smart_str(key), value, timeout or self.default_timeout)
+        self._cache.set(smart_str('%s%s' % (self._key_prefix, key)), value, timeout or self.default_timeout)
 
     def delete(self, key):
-        self._cache.delete(smart_str(key))
+        self._cache.delete(smart_str('%s%s' % (self._key_prefix, key)))
 
     def get_many(self, keys):
         return self._cache.get_multi(map(smart_str,keys))