'Retrieve the metadata of the latest data file from a server.'

def check_update(self):

    self.set_update_start_btns()
    self.set_label_text(self.ui.labelLatestData, unicode(_translate('Util', 'Checking...', None)))
    thread = QSubChkUpdate(self)
    thread.trigger.connect(self.finish_update)
    thread.start()
