mail-addons/mail_base/controllers/main.py

from openerp.http import request
from openerp.addons.bus.controllers.main import BusController


class MailChatController(BusController):
    # -----------------------------
    # Extends BUS Controller Poll
    # -----------------------------

    def _poll(self, dbname, channels, last, options):
        if request.session.uid:
            channels.append((request.db, 'mail_base.mail_sent'))

        return super(MailChatController, self)._poll(dbname, channels, last, options)