upnp.py 文件源码

def _read_actions(self):
        action_url = urljoin(self._url_base, self._control_url)

        for action_node in self._findall('actionList/action'):
            name = action_node.findtext('name', namespaces=action_node.nsmap)
            argsdef_in = []
            argsdef_out = []
            for arg_node in action_node.findall(
                    'argumentList/argument', namespaces=action_node.nsmap):
                findtext = partial(arg_node.findtext, namespaces=arg_node.nsmap)
                arg_name = findtext('name')
                arg_statevar = self.statevars[findtext('relatedStateVariable')]
                if findtext('direction').lower() == 'in':
                    argsdef_in.append((arg_name, arg_statevar))
                else:
                    argsdef_out.append((arg_name, arg_statevar))
            action = Action(action_url, self.service_type, name, argsdef_in, argsdef_out)
            self.action_map[name] = action
            self.actions.append(action)