1 files changed, 47 insertions, 0 deletions
diff --git a/webapp/django/core/cache/backends/memcached.py b/webapp/django/core/cache/backends/memcached.py
new file mode 100644
index 0000000000..beb8844ec1
--- /dev/null
+++ b/webapp/django/core/cache/backends/memcached.py
@@ -0,0 +1,47 @@
+"Memcached cache backend"
+
+from django.core.cache.backends.base import BaseCache, InvalidCacheBackendError
+from django.utils.encoding import smart_unicode, smart_str
+
+try:
+    import cmemcache as memcache
+except ImportError:
+    try:
+        import memcache
+    except:
+        raise InvalidCacheBackendError("Memcached cache backend requires either the 'memcache' or 'cmemcache' library")
+
+class CacheClass(BaseCache):
+    def __init__(self, server, params):
+        BaseCache.__init__(self, params)
+        self._cache = memcache.Client(server.split(';'))
+
+    def add(self, key, value, timeout=0):
+        if isinstance(value, unicode):
+            value = value.encode('utf-8')
+        return self._cache.add(smart_str(key), value, timeout or self.default_timeout)
+
+    def get(self, key, default=None):
+        val = self._cache.get(smart_str(key))
+        if val is None:
+            return default
+        else:
+            if isinstance(val, basestring):
+                return smart_unicode(val)
+            else:
+                return val
+
+    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)
+
+    def delete(self, key):
+        self._cache.delete(smart_str(key))
+
+    def get_many(self, keys):
+        return self._cache.get_multi(map(smart_str,keys))
+
+    def close(self, **kwargs):
+        self._cache.disconnect_all()
+