如何在wxGlade创建的文件中插入版权声明？

I use wxGlade to create Python scripts, which use wxWidgets. wxGlade directly manipulates XML files, which describe the wxWidgets based GUI. Those files have the *.wxg extension. From the *.wxg files, it is possible to generate code which actually runs the GUI in one of several languages, and I am using it to generate Python code.I use wxGlade to create Python scripts, which u