def _initialize()

in src/dubbo/server.py [0:0]


    def _initialize(self):
        """
        Initialize the server.
        """
        with self._global_lock:
            if self._initialized:
                return

            # get the protocol
            service_protocol = extensionLoader.get_extension(Protocol, self._service.protocol)()

            registry_config = self._dubbo.registry_config

            self._protocol = (
                RegistryProtocol(registry_config, service_protocol) if self._dubbo.registry_config else service_protocol
            )

            # build url
            service_url = self._service.to_url()
            if registry_config:
                self._url = registry_config.to_url().copy()
                self._url.attributes[common_constants.EXPORT_KEY] = service_url
                for k, v in service_url.attributes.items():
                    self._url.attributes[k] = v
            else:
                self._url = service_url