python pyinstaller 加载ui路径方法

class Login(QMainWindow):
  """登录窗口"""
  global status_s
  global connect_signal
  def __init__(self, *args):
    super(Login, self).__init__(*args)
    
    if getattr(sys,'frozen',False):
      bundle_dir = sys._MEIPASS
    else:
      bundle_dir = os.path.dirname(os.path.abspath(__file__))
    loadUi(bundle_dir+'\set_controller.ui', self)