Just to document progress If someone pings me to make documentation I'll do it. Until the need arrives I'll do it when I'm done
apt-get install python3 python3-pip
pip install requests
pip install install
pip install requests
pip install numpy
pip install packaging
pip install scipy
python3 TechCalculator/tech_calc.py
The calculator should ask your for a map code and a Beat Saber install directory (cached in Tech_Calculator/_BackendFiles/bs_path.txt)