buildm2.ps1

function Build-M2 {

    Param(
    [parameter(Mandatory=$true)]
    [String]
    $PythonExe
    )

    if ( -not (Get-Command choco -errorAction SilentlyContinue )) {
        Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
    }

    choco install -y curl
    choco install -y swig
    choco install -y git

    $PyVersion = $( & $pythonExe --version 2>&1 ).ToString().Split('; Python')[-1].Split('.')
    if ($PyVersion[0] -eq 2) {
      choco install -y vcpython27
    } else {
      choco install -y vcbuildtools -ia "Full"
    }

    $opensslDir="C:\OpenSSL"
    if ( $(& $pythonExe -c "import struct;print( 8 * struct.calcsize('P'))").tostring().trim() -eq 64) {
       $opensslInstaller="Win64OpenSSL-1_1_0i.exe"
    } else {
       $opensslInstaller="Win32OpenSSL-1_1_0i.exe"
    }

    curl.exe -o c:\\$opensslInstaller -fsSL https://slproweb.com/download/$opensslInstaller
    & c:\\$opensslInstaller /silent /verysilent /DIR=$opensslDir
    $pyDir = Split-Path $pythonExe
    $pipDir = Join-Path "$pyDir" Scripts
    #cd $pipDir
    $pipExe = Join-Path "$pipDir" pip.exe
    & $pipExe install wheel
    & $pipExe download M2crypto
    & $pythonExe -c "import gzip, tarfile;tarfile.TarFile(fileobj=gzip.open('m2crypto-0.30.1.tar.gz')).extractall()"
    cd m2crypto-*
    & $pythonExe setup.py clean build --openssl=$opensslDir --bundledlls
    & $pythonExe setup.py bdist_wheel bdist_wininst bdist_msi
}