Created
May 18, 2023 06:24
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param ($version) | |
$ErrorActionPreference = "Stop" | |
$prev_location = $pwd | |
if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { | |
Start-Process PowerShell -Verb RunAs "-NoProfile -ExecutionPolicy Bypass -Command `"cd '$prev_location'; & '$PSCommandPath' $version;`""; | |
exit; | |
} | |
# setup done | |
if ($null -eq $version) { | |
$minor_version = "3.11.3" | |
} | |
$major_version = $minor_version.Split('.') | |
$major_version = $major_version[0] + $major_version[1] | |
$url = "https://www.python.org/ftp/python/$minor_version/python-$minor_version-amd64.exe" | |
$output = "C:/tmp/python-$minor_version-amd64.exe" | |
$install_path = "C:\Program Files\Python$major_version\python.exe" | |
# variables done | |
if (Test-Path $install_path) { | |
Write-Output "python already installed at $install_path - skipping installation" | |
Read-Host -Prompt "Press Enter to exit" | |
return; | |
} | |
if (Test-Path $output) { | |
Write-Output "python already downloaded at $output" | |
} | |
else { | |
Write-Output "downloading python from $url ..." | |
New-Item -ItemType Directory -Force -Path C:/tmp | |
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 | |
Invoke-WebRequest -Uri $url -OutFile $output | |
} | |
Write-Output "launching installer" | |
& $output /passive InstallAllUsers=1 PrependPath=1 Include_test=0 | |
Write-Output "installer launched" | |
# cleaning up | |
Set-Location $prev_location | |
Read-Host -Prompt "Press Enter to exit" |
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