main.py 文件源码

def open_file(self, file_name=None):
        if file_name:
            try:
                File(file_name, logging.root).open()
                self.file = file_name
                self.set_title(file_name)
                self.add_recent_file(self.file)
                self.init_model()
            except Exception as e:
                logging.exception(str(e))
                self.delete_from_recent_files(file_name)
                QMessageBox.warning(self, _('Error'), _('Cannot read file, format unknown') + ': ' + file_name)