This is an extension for web ui.
To install it, clone the repo into the extensions directory and restart the web ui:
git clone https://github.com/AUTOMATIC1111/stable-diffusion-webui-aesthetic-gradients extensions/aesthetic-gradients
Original repo: https://github.com/vicgalle/stable-diffusion-aesthetic-gradients
Most of the code here has been written by MalumaDev, in this PR: AUTOMATIC1111/stable-diffusion-webui#2585
If the original author or MalumaDev creates a copy or a clone of this repository with a version of the extension that he is willing to develop/maintain, I will replace this repo with a link to his.