def _dictfy(self, item):
     revisionfile_info = IRevisionFileInfo(item)
     return dict(url=revisionfile_info.url(), 
                 download_url=revisionfile_info.download_url(),
                 title=revisionfile_info.title(),
                 code=revisionfile_info.code(),
                 parent_code=revisionfile_info.parent_code(),
                 obj=item,
                 obj_info=revisionfile_info,
                )