main.py 文件源码

def get_nameserver_ip(self):
        '''
        Get Resolver object depending on self.nameserver
        '''
        if self.nameserver is None:
            logger.debug('Get IP number(s) of system resolvers')
            self.nameserver_ip = \
                dns.resolver.get_default_resolver().nameservers[0]
        else:
            try:
                self.nameserver_ip = socket.gethostbyname_ex(
                    self.nameserver)[2][0]
            except socket.gaierror as err:
                raise UnableToResolveNameServerException(
                    'Unable to resolve nameserver "{0}". {1}'.format(
                        self.nameserver,
                        err
                    )
                )