def save(self, doc):
        if doc.id:
            return self.update(doc)
        else:
            return self.insert(doc)
def items(self, section_name):
            if section_name != section:
                raise NoSectionError(section_name)
            return {
                'memcache_servers': memcache_servers,
                'memcache_serialization_support':
                memcache_serialization_support,
                'memcache_max_connections': memcache_max_connections,
            }