Ticket #16858: locmem-patch.diff

webserver/lib/django-1.3/django/core/cache/backends/locmem.py

@@ -86 +86 @@
         finally:
             self._lock.writer_leaves()
 
+    def incr(self, key, delta=1, version=None):
+        """
+        Add delta to value in the cache.
+        """
+        value = self.get(key, version=version)
+        if value is None:
+            raise ValueError("Key '%s' not found" % key)
+        full_key = self.make_key(key, version=version)
+        exp = self._expire_info.get(full_key)
+
+        new_value = value + delta
+        self.set(key, new_value, version=version, timeout=exp)
+        
     def has_key(self, key, version=None):
         key = self.make_key(key, version=version)
         self.validate_key(key)