GraphicsScene.py 文件源码

def translateGraphicsItem(item):
        ## for fixing pyqt bugs where the wrong item is returned
        if HAVE_SIP and isinstance(item, sip.wrapper):
            addr = sip.unwrapinstance(sip.cast(item, QtGui.QGraphicsItem))
            item = GraphicsScene._addressCache.get(addr, item)
        return item