pidgin.js

var dbus = require('dbus-native');

var sessionBus = dbus.sessionBus();
var svc = sessionBus.getService('im.pidgin.purple.PurpleService');
svc.getInterface('/im/pidgin/purple/PurpleObject', 'im.pidgin.purple.PurpleInterface', function (err, purple) {
    if(err) {
        console.error('Could not get interface');
        console.error(err);
        return process.exit(1);

        console.log('Interface obtained');
    }
    purple.PurpleSavedstatusNew('Вася Ложкин', 2, function (err, status) {
        //BUT - this callback is never called if the 1st argument of PurpleSavedstatusNew contains Cyrillic characters!
        if(err) {
            console.error('Could not create status');
            console.error(err);
            return process.exit(1);
        }

        console.log('Status created');
        console.log(status);
    });
});

you can generate similar code with dbus2js utility:

node ./bin/dbus2js.js --service im.pidgin.purple.PurpleService --path /im/pidgin/purple/PurpleObject > pidgin_client.js

well actually i do it with pogoscript - it is convenient for such things. for example:

    dbus = require 'dbus-native'

    sessionBus = dbus.sessionBus()
    svc = sessionBus.getService('im.pidgin.purple.PurpleService')
    purple = svc.getInterface!('/im/pidgin/purple/PurpleObject', 'im.pidgin.purple.PurpleInterface')

    accountId = purple.PurpleAccountsFind!('some.account@gmail.com', 'prpl-jabber')
    conversationId = purple.PurpleConversationNew!(1, accountId, 'juick@juick.com')
    im = purple.PurpleConvIm!(conversationId)
    purple.PurpleConvImSend!(im, 'Some message')