Chapter2-3-abridged.py 文件源码

def remove_task(self, event):
        task = event.widget
        if msg.askyesno("Really Delete?", "Delete " + task.cget("text") + "?"):
            self.tasks.remove(event.widget)

            delete_task_query = "DELETE FROM tasks WHERE task=?"
            delete_task_data = (task.cget("text"),)
            self.runQuery(delete_task_query, delete_task_data)

            event.widget.destroy()

            self.recolour_tasks()