1 files changed, 13 insertions, 12 deletions
diff --git a/lib/sqlalchemy/util.py b/lib/sqlalchemy/util.py
index 470217936..21f380980 100644
--- a/lib/sqlalchemy/util.py
+++ b/lib/sqlalchemy/util.py
@@ -93,39 +93,40 @@ class OrderedProperties(object):
     no append or extend.)
     """
     def __init__(self):
-        self.__dict__['_OrderedProperties__data'] = OrderedDict()
+        self.__dict__['_data'] = OrderedDict()
     def __len__(self):
-        return len(self.__data)
+        return len(self._data)
     def __iter__(self):
-        return self.__data.itervalues()
+        return self._data.itervalues()
     def __add__(self, other):
         return list(self) + list(other)
     def __setitem__(self, key, object):
-        self.__data[key] = object
+        self._data[key] = object
     def __getitem__(self, key):
-        return self.__data[key]
+        return self._data[key]
     def __delitem__(self, key):
-        del self.__data[key]
+        del self._data[key]
     def __setattr__(self, key, object):
-        self.__data[key] = object
+        self._data[key] = object
+    _data = property(lambda s:s.__dict__['_data'])
     def __getattr__(self, key):
         try:
-            return self.__dict__['_OrderedProperties__data'][key]
+            return self._data[key]
         except KeyError:
             raise AttributeError(key)
     def __contains__(self, key):
-        return key in self.__data
+        return key in self._data
     def get(self, key, default=None):
         if self.has_key(key):
             return self[key]
         else:
             return default
     def keys(self):
-        return self.__data.keys()
+        return self._data.keys()
     def has_key(self, key):
-        return self.__data.has_key(key)
+        return self._data.has_key(key)
     def clear(self):
-        self.__data.clear()
+        self._data.clear()
         
 class OrderedDict(dict):
     """A Dictionary that returns keys/values/items in the order they were added"""