Fixed #4845 -- Fixed some problems with Unicode usage and caching. Thanks,

Jeremy Dunck.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@5718 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/cache/backends/filebased.py

@@ -1,7 +1,8 @@
 "File-based cache backend"
 
 from django.core.cache.backends.simple import CacheClass as SimpleCacheClass
-import os, time, urllib
+from django.utils.http import urlquote_plus
+import os, time
 try:
     import cPickle as pickle
 except ImportError:
@@ -77,4 +78,4 @@ class CacheClass(SimpleCacheClass):
             raise EnvironmentError, "Cache directory '%s' does not exist and could not be created'" % self._dir
 
     def _key_to_file(self, key):
-        return os.path.join(self._dir, urllib.quote_plus(key))
+        return os.path.join(self._dir, urlquote_plus(key))

django/core/cache/backends/memcached.py

@@ -1,6 +1,7 @@
 "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
@@ -16,17 +17,22 @@ class CacheClass(BaseCache):
         self._cache = memcache.Client(server.split(';'))
 
     def get(self, key, default=None):
-        val = self._cache.get(key)
+        val = self._cache.get(smart_str(key))
         if val is None:
             return default
         else:
-            return val
+            if isinstance(val, basestring):
+                return smart_unicode(val)
+            else:
+                return val
 
     def set(self, key, value, timeout=0):
-        self._cache.set(key, value, timeout or self.default_timeout)
+        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(key)
+        self._cache.delete(smart_str(key))
 
     def get_many(self, keys):
-        return self._cache.get_multi(keys)
+        return self._cache.get_multi(map(smart_str,keys))