maps.py 文件源码

def __init__(self):

        # link app
        self._app = QApplication.instance()

        # create dictionary for maps
        self._maps = {}

        # set flags for selected map and map counter
        self._selected = None
        self._counter = 0
        self._id_counter = 0

        # call super init
        super(MapList, self).__init__()