<#! .SYNOPSIS Creates a virtual environment for a CI machine. .DESCRIPTION If the virtual environment directory already exists, it will skip the creation. The location of the virtual environment will be stored in a variable named _LOCATION. The location will be RepoRoot + VenvName. .PARAMETER VenvName The name of the virtual environment which will be created. .PARAMETER RepoRoot The root of the repository. #> param( [Parameter(Mandatory = $true)] [string] $VenvName, # The root of the repository should be $(Build.SourcesDirectory) passed in from template [Parameter(Mandatory = $true)] [string] $RepoRoot ) $venvPath = Join-Path $RepoRoot $VenvName if (!(Test-Path $venvPath)) { Write-Host "Creating virtual environment '$VenvName'." python -m pip install virtualenv==20.25.1 python -m virtualenv "$venvPath" Write-Host "Virtual environment '$VenvName' created." Write-Host "##vso[task.setvariable variable=$($VenvName)_LOCATION]$venvPath" Write-Host "##vso[task.setvariable variable=$($VenvName)_ACTIVATION_SCRIPT]if(`$IsWindows){. $venvPath/Scripts/Activate.ps1;}else {. $venvPath/bin/activate.ps1}" } else { Write-Host "Virtual environment '$VenvName' already exists. Skipping creation." }