uamodeler.py 文件源码

def open(self):
        if not self.try_close_model():
            return
        path, ok = QFileDialog.getOpenFileName(self.modeler, caption="Open OPC UA XML", filter="XML Files (*.xml *.XML)", directory=self._last_model_dir)
        if not ok:
            return
        if self._last_model_dir != os.path.dirname(path):
            self._last_model_dir = os.path.dirname(path)
            self.settings.setValue("last_model_dir", self._last_model_dir)
        self._model_mgr.open_model(path)