reference

http://www.timcoolmode.com/images/small/PSD_Exporter.py

https://github.com/lohriialo/photoshop-scripting-python

https://evanmccall.wordpress.com/2015/03/09/how-to-develop-photoshop-tools-in-python/

https://techarttiki.blogspot.com/2008/08/photoshop-scripting-with-python.html

https://www.ps-scripts.com/

https://programtalk.com/python-examples/comtypes.client.CreateObject/