woptipng.py is a PNG optimising script (using different 3rd-party tools) originally written for the Battle for Wesnoth project.
The oxipng dependency of this version of the script can be found here: https://github.com/shssoichiro/oxipng
matthiaskrgr/woptipng
png optimising script (using different 3rd-party tools) originally written for the wesnoth project.
Python