To install Powerline on Solus, simply follow these steps:
1- Install Powerline & Powerline fonts :
sudo eopkg it powerline powerline-fonts or from software center {codeBox}
2- Bash setup :
3- Close the terminal and relaunch it.
echo "source /usr/lib/python2.7/site-packages/powerline/bindings/bash/powerline.sh" >> ~/.bashrc{codeBox}
3- Close the terminal and relaunch it.
That is all, enjoy Powerline!