dnsupdate.py 文件源码

def ipv6(self):
        import netifaces
        try:
            addr = next(filter(lambda a: self.__is_valid_address(a),
                               map(lambda addr_string: IPv6Address(addr_string['addr'].split('%', 1)[0]),
                                   self.addresses[netifaces.AF_INET6])), None)
            return addr
        except (KeyError, StopIteration):
            raise AddressProviderException("Interface %s has no valid IPv6 address" % self.interface)