from landscape.lib.sysstats import get_logged_in_users class LoggedInUsers(object): def register(self, sysinfo): self._sysinfo = sysinfo def run(self): self._sysinfo.add_header("Users logged in", None) def add_header(logged_users): self._sysinfo.add_header("Users logged in", str(len(logged_users))) result = get_logged_in_users() result.addCallback(add_header) result.addErrback(lambda failure: None) return result