# Setup script for pallets/flask on Windows (PowerShell), from https://gitmanual.com/pallets/flask # Read it before you run it: the commands come from the repo's own README and files. # Run: powershell -ExecutionPolicy Bypass -File .\setup.ps1 $ErrorActionPreference = "Stop" function Write-Step($t) { Write-Host "`n==> $t" -ForegroundColor Cyan } # Windows ships a python that only opens the Microsoft Store; it doesn't count. function Have($c) { $cmd = Get-Command $c -ErrorAction SilentlyContinue; [bool]$cmd -and $cmd.Source -notlike '*\WindowsApps\*' } # New installs change PATH; pick it up without opening a new window. function Update-Path { $env:Path = [Environment]::GetEnvironmentVariable("Path", "Machine") + ";" + [Environment]::GetEnvironmentVariable("Path", "User") } # Stop when a program fails, like bash's set -e. Dot-sourced, so cd and venv activation carry on to the next step. function Invoke-Step([scriptblock]$Block) { $global:LASTEXITCODE = 0; . $Block; if ($LASTEXITCODE) { throw "Failed with exit code $LASTEXITCODE" } } Write-Step '1/3 Clone the repository' if (-not (Test-Path 'flask')) { Invoke-Step { git clone https://github.com/pallets/flask.git } } Set-Location 'flask' Write-Step '2/3 Install the required runtimes' # Python >=3.11 if (-not (Have 'uv')) { Invoke-Step { winget install astral-sh.uv -e --accept-source-agreements --accept-package-agreements }; Update-Path } Write-Step '3/3 Install dependencies' Invoke-Step { uv sync } Write-Host 'Set up pallets/flask.' Write-Host 'Next, from the project folder:' Write-Host ' uv run pytest' Write-Host 'Manual: https://gitmanual.com/pallets/flask'