FEniCS and cbc.block based library containing components to build a multigrid for saddle-point problems based on uzawa smoothers.
Install with python3 -m pip install . or python3 -m pip install -e . for dev mode.
Run for instance a demo with
python3 -m pyuzawamg.demos.stokes --degree-velocity 1 --stabilization --num-levels 6 --w-cycles 2 --smoothing-steps 2