found 7zip in C:\Program Files\7-Zip\7z.exe SET DISTUTILS_USE_SDK=1 SET MSSdk=1 SET LIB=%LIB%;E:\buildsystem\release-1930\lib cd E:\buildsystem\src\mapserver-vc17\vc17\mapscript\python\Release rmdir /s /q dist E:\builds\Python37\python.exe setup.py bdist --formats=msi