Don't use this repo if you care about py2-support and support of freecad < 0.18. If so please have a look at the traditional workbench structure. This is a template for a FreeCAD workbench / module.
CSIR team has forked this repo into https://github.com/jaheyns/CfdOF in 2017, focusing on usability for new users and OpenFOAM. Meanwhile, this repo still targets at ...