def get_provider_host()

in dubbo/client.py [0:0]


    def get_provider_host(self, interface):
        """
        从zk中可以根据接口名称获取到此接口某个provider的host
        :param interface:
        :return:
        """
        if interface not in self.hosts:
            self.lock.acquire()
            try:
                if interface not in self.hosts:
                    path = DUBBO_ZK_PROVIDERS.format(interface)
                    if self.zk.exists(path):
                        self._get_providers_from_zk(path, interface)
                        self._get_configurators_from_zk(interface)
                    else:
                        raise RegisterException('No providers for interface {0}'.format(interface))
            finally:
                self.lock.release()
        return self._routing_with_wight(interface)