diff -r b758351d191f -r cc9b7e14412b web/lib/django/core/cache/backends/locmem.py
--- a/web/lib/django/core/cache/backends/locmem.py	Wed May 19 17:43:59 2010 +0200
+++ b/web/lib/django/core/cache/backends/locmem.py	Tue May 25 02:43:45 2010 +0200
@@ -77,7 +77,7 @@
 
     def set(self, key, value, timeout=None):
         self._lock.writer_enters()
-        # Python 2.3 and 2.4 don't allow combined try-except-finally blocks.
+        # Python 2.4 doesn't allow combined try-except-finally blocks.
         try:
             try:
                 self._set(key, pickle.dumps(value), timeout)
@@ -110,8 +110,7 @@
 
     def _cull(self):
         if self._cull_frequency == 0:
-            self._cache.clear()
-            self._expire_info.clear()
+            self.clear()
         else:
             doomed = [k for (i, k) in enumerate(self._cache) if i % self._cull_frequency == 0]
             for k in doomed:
@@ -133,3 +132,7 @@
             self._delete(key)
         finally:
             self._lock.writer_leaves()
+
+    def clear(self):
+        self._cache.clear()
+        self._expire_info.clear()