widgets.py 文件源码

def update_database(self):
        """
        Display the 'database update' dialog.
        """
        self.show()

        is_something_running = False
        for x in B3App.Instance().processes:
            if x.state() == QProcess.Running:
                is_something_running = True
                break

        if is_something_running:
            msgbox = QMessageBox()
            msgbox.setIcon(QMessageBox.Information)
            msgbox.setWindowTitle('NOTICE')
            msgbox.setText('Some B3 processes are still running: you need to terminate them to update B3 database.')
            msgbox.setStandardButtons(QMessageBox.Ok)
            msgbox.exec_()
        else:
            update = UpdateDatabaseDialog(self.centralWidget())
            update.show()