Is anyone using the CatalogAware mixin from CatalogAwareness.py ? I am just in the process of adding catalog awareness to my project and have found a couple of problems with it. (Note that this file has not changed since the 14th of September as of the 2.1.0 beta 2 release.) Firstly, you need to import aq_base from somewhere if (as in my case) you are using python classes that are not ZClasses. from OFS.PropertySheets import aq_base Secondly the reindex_all function has a problem. Here is the original function : def reindex_all(self, obj=None): """ """ if obj is None: obj=self if hasattr(aq_base(obj), 'index_object'): obj.index_object() if hasattr(aq_base(obj), 'objectValues'): sub=obj.objectValues() for item in obj.objectValues(): reindex_all(self, item) return 'done!' Note the call to reindex_all( self, item ), which fails in my environment. Here is my replacement (which also uses the sub variable which was initialised but not used in the original) : def reindex_all(self, obj=None): """ """ if obj is None: obj=self if hasattr(aq_base(obj), 'index_object'): obj.index_object() if hasattr(aq_base(obj), 'objectValues'): sub=obj.objectValues() for item in sub: self.reindex_all(item) return 'done!' Should this function be renamed to index_all, as it only indexes the object, not reindexes it ? I will post this to the collector if there are no other changes or objections. Robert Leftwich