Functions/New-PythonInstallation.ps1
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. "$PSScriptRoot\ConfigGettersAndSetters.ps1" . "$PSScriptRoot\Get-PythonInstallerUrl.ps1" function New-PythonInstallation([string]$Version){ $installerCache = "$PSScriptRoot\..\Installers" $installerUrl = Get-PythonInstallerUrl -Version $Version $installRoot = Get-PythonInstallRoot $installName = "python$Version" $installerEXEPath = "$installerCache\$installName-Installer.exe" if (!($Version -match "^\d+\.\d+\.\d+$")){ throw "Version must be fully specified. e.g. '3.7' will not work, but '3.7.2' will." } if($Version -match "^2\."){ throw "Unfortunately there are no executable installers for python versions 2.x. Version 2.x must be installed manually from https://www.python.org/downloads/" } if (!(Test-Path -Path $installerEXEPath)){ Write-Host "Downloading Python $Version Installer..." [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 Invoke-WebRequest -Uri $installerURL -OutFile $installerEXEPath } if(!(Test-Path -Path $installRoot)){ New-Item -ItemType directory -Path $installRoot } # Wait for executable to complete so we can delete it when we are done $result = Start-Process $installerEXEPath -ArgumentList "/passive InstallAllUsers=1 TargetDir=`"$installRoot\$installName`"" -NoNewWindow -Wait -PassThru if (!($result.ExitCode -eq 0)) { throw "Python installation failed." } } |