@echo off :: This is an example compiler script SET PYTHON64=c:\python310-64\python.exe SET PYTHON32=c:\python37-32\python.exe cd C:\GIT\npbackup :: Make sure we add npbackup in python path so bin and npbackup subfolders become packages SET OLD_PYTHONPATH=%PYTHONPATH% SET PYTHONPATH=c:\GIT\npbackup "%PYTHON64%" bin\compile.py --audience all "%PYTHON32%" bin\compile.py --audience all SET PYTHONPATH=%OLD_PYTHONPATH%