.gitlab/ci/python-env.ps1 - third_party/github.com/Kitware/CMake - Git at Google

 $pwdpath = $pwd.Path
 cmake -P .gitlab/ci/download_python3.cmake
 Set-Item -Force -Path "env:PATH" -Value "$pwdpath\.gitlab\python3;$env:PATH"
 python --version
	$pwdpath = $pwd.Path
	cmake -P .gitlab/ci/download_python3.cmake
	Set-Item -Force -Path "env:PATH" -Value "$pwdpath\.gitlab\python3;$env:PATH"
	python --version