Alter Python code to create login/password to website via amember pro -- 3

I have website that has login/password via amember software which is fine and works if someone on website. However I creating external repository for use with XBMC/Kodi a media app which is written in python and when someone has registered on website the logs in using this addon it accepts them using credentials from amember which uses REST API. I have python script that someone else uses on GitHub and they use amember so u can look at their files but confusion is not sure how they achieve their login