def __init__(self):

  self.data = []

def append(self, name, description):

  self.data.append({"id": len(self.data) + 1, "name": name, "description": description})

app = QApplication(sys.argv)

# 创建数据模型

data_model = MyDataModel()

data_model.append("item1", "Description for item 1")

data_model.append("item2", "Description for item 2")

data_model.append("item3", "Description for item 3")

view = MyListView()

# 将数据模型与列名绑定

view.setModel(data_model)

view.show()

sys.exit(app.exec_)

super().__init__()

# 设置自定义表样式

self.showGrid = True

self.verticalHeader().setDefaultSectionSize(40)

super(MyListView, self).setModel(model)

self.model.installEventFilter(self)