Again, again, and again.
From pypi:
pip3 install csvspoon
Or developer version:
git clone <this repo>
cd csvspoon
pip3 install -e .
mkdir -p ~/.local/share/bash-completion/completions
register-python-argcomplete csvspoon > ~/.local/share/bash-completion/completions/csvspoon
All methods and functions are accessible in the python module.