__init__.py 文件源码

def instance():
    app = QtWidgets.QApplication.instance()
    main_window = [x for x in app.allWidgets() if x.__class__ is QtWidgets.QMainWindow][0]
    try:
        dock = [x for x in main_window.children() if x.__class__ is BinjaDockWidget][0]
    except:
        dock = BinjaDockWidget()

    return dock