EFL stands for Enlightment Foundation Libraries which was started by Carsten Haitzler aka rasterman. It started originally for the enlightenment desktop project.
About Python-efl
Python-efl are the python bindings for it. Here's the links i prepared so that people can get started quickly. I'll be adding more resources as i come across them!
https://www.pythonkitchen.com/how-to-install-python-efl-on-ubuntu-or-linux-mint/
https://www.pythonkitchen.com/python-efl-1/
https://www.pythonkitchen.com/python-efl-2/
https://www.pythonkitchen.com/python-efl-3/
https://www.pythonkitchen.com/python-efl-4/
https://www.pythonkitchen.com/python-efl-5/
https://www.pythonkitchen.com/python-efl-6/