'Provides common functionality for get_acl and get_def_acl.'

def _get_acl_helper(self, key_name, headers, query_args):

    body = self._get_xml_acl_helper(key_name, headers, query_args)
    acl = ACL(self)
    h = handler.XmlHandler(acl, self)
    xml.sax.parseString(body, h)
    return acl
