This script is not necessary for pyenv >= 2.64.8 | Add registery keys for globally set python version for pyenv-win

addPyenvRegKeys.ps1

Write-Host @"
+===================================================+
| This script is not necessary for pyenv >= 2.64.8  |
| Use 'pyenv install VERSION --register' instead    |
+===================================================+

"@ -ForegroundColor Red

$LogTimeStamp = Get-Date -Format "MM.dd.yy.hh.mm.ss"

function Write-HostAndLog {
  Param(
    $Message,
    $ForegroundColor = "White",
    $Path = "$HOME\Desktop\addPyenvRegKeys.log.$LogTimeStamp.txt"
  )

  Write-Host $Message -ForegroundColor $ForegroundColor

  "[$(Get-Date -Format "hh:mm:ss")] $Message" | Tee-Object -FilePath $Path -Append | Write-Verbose
}

Function Quit() {
  param(
    [Parameter(Mandatory = $false)] [string] $ExitMessage
  )
  Write-HostAndLog "Exiting - $ExitMessage" -ForegroundColor "Red"
  Write-Host "Log file saved at '$HOME\Desktop\addPyenvRegKeys.log.$LogTimeStamp.txt'"
  Read-Host "Press any key to exit..."
  Break Script
}

try {

  if (-not (Get-Command "pyenv" -ErrorAction SilentlyContinue)) { throw "Pyenv not installed" }
  $PyenvVersion = (pyenv --version)
  Write-HostAndLog "Found $PyenvVersion" -ForegroundColor "Green"

  $GlobalPythonVersion = (pyenv global)
  if ($GlobalPythonVersion.ToLower() -eq "no global version configured") { throw "No global python version set" }
  Write-HostAndLog "Found python $GlobalPythonVersion" -ForegroundColor "Green"

  Write-HostAndLog "Starting"

  $InstallCaption = Write-Host "This will create registry keys for python $GlobalPythonVersion" -ForegroundColor DarkYellow
  $InstallMessage = "Are you sure you want to proceed?"
  $InstallChoices = New-Object Collections.ObjectModel.Collection[Management.Automation.Host.ChoiceDescription]
  $InstallChoices.Add((New-Object System.Management.Automation.Host.ChoiceDescription "&Yes", "Create registry keys for python $GlobalPythonVersion"))
  $InstallChoices.Add((New-Object System.Management.Automation.Host.ChoiceDescription "&No", "Quit and do not modify the system"))
  $InstallPrompt = $Host.UI.PromptForChoice($InstallCaption, $InstallMessage, $InstallChoices, 1)

  switch ($InstallPrompt) {
    0 {
      if (Test-Path "HKCU:\Software\Python\PythonCore\$GlobalPythonVersion" -errorAction SilentlyContinue) {
        $OverwriteCaption = Write-Warning "Registry keys already exist for python $GlobalPythonVersion!"
        $OverwriteMessage = "Do you want to overwrite them?"
        $OverwriteChoices = New-Object Collections.ObjectModel.Collection[Management.Automation.Host.ChoiceDescription]
        $OverwriteChoices.Add((New-Object System.Management.Automation.Host.ChoiceDescription "&Yes", "Overwrite existing registry keys for python $GlobalPythonVersion"))
        $OverwriteChoices.Add((New-Object System.Management.Automation.Host.ChoiceDescription "&No", "Quit and do not modify the system"))
        $OverwritePrompt = $Host.UI.PromptForChoice($OverwriteCaption, $OverwriteMessage, $OverwriteChoices, 1)

        switch ($OverwritePrompt) {
          0 { Continue }
          1 { Quit "Did not modify the system" }
        }
      }

      Write-HostAndLog "Creating registry keys for python $GlobalPythonVersion" -ForegroundColor "Green"
      $GlobalPythonExecutable = (pyenv which python)
      $GlobalPythonWindowedExecutable = (pyenv which python).replace('python.exe', 'pythonw.exe')
      $GlobalPythonPath = (pyenv which python).replace('\python.exe', '')

      New-Item "HKCU:\Software\Python\PythonCore\$GlobalPythonVersion" -Force |
      New-ItemProperty -Name "DisplayName" -Value "Python $GlobalPythonVersion" -Force |
      New-ItemProperty -Name "Version" -Value "$GlobalPythonVersion" -Force |
      New-ItemProperty -Name "SupportUrl" -Value "https://github.com/pyenv-win/pyenv-win/issues" -Force | Out-Null

      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion"
      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\DisplayName                        = Python $GlobalPythonVersion"
      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\Version                            = $GlobalPythonVersion"
      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\SupportUrl                         = https://github.com/pyenv-win/pyenv-win/issues"

      New-Item "HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstalledFeatures" -Force |
      New-ItemProperty -Name "dev" -Value "$GlobalPythonVersion" -Force |
      New-ItemProperty -Name "exe" -Value "$GlobalPythonVersion" -Force |
      New-ItemProperty -Name "lib" -Value "$GlobalPythonVersion" -Force |
      New-ItemProperty -Name "pip" -Value "$GlobalPythonVersion" -Force |
      New-ItemProperty -Name "tools" -Value "$GlobalPythonVersion" -Force | Out-Null

      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstalledFeatures"
      Write-HostAndLog "Created: HkCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstalledFeatures\dev              = $GlobalPythonVersion"
      Write-HostAndLog "Created: HkCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstalledFeatures\exe              = $GlobalPythonVersion"
      Write-HostAndLog "Created: HkCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstalledFeatures\lib              = $GlobalPythonVersion"
      Write-HostAndLog "Created: HkCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstalledFeatures\pip              = $GlobalPythonVersion"
      Write-HostAndLog "Created: HkCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstalledFeatures\tools            = $GlobalPythonVersion"

      New-Item "HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstallPath" -Force |
      New-ItemProperty -Name "(Default)" -Value "$GlobalPythonPath\" -Force |
      New-ItemProperty -Name "ExecutablePath" -Value "$GlobalPythonExecutable" -Force |
      New-ItemProperty -Name "WindowedExecutablePath" -Value "$GlobalPythonWindowedExecutable" -Force | Out-Null

      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstallPath"
      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstallPath\(Default)              = $GlobalPythonPath\"
      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstallPath\ExecutablePath         = $GlobalPythonExecutable"
      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\InstallPath\WindowedExecutablePath = $GlobalPythonWindowedExecutable"

      New-Item "HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\PythonPath" -Force |
      New-ItemProperty -Name "(Default)" -Value "$GlobalPythonPath\Lib\;$GlobalPythonPath\DLLs\" -Force | Out-Null

      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\PythonPath"
      Write-HostAndLog "Created: HKCU:\Software\Python\PythonCore\$GlobalPythonVersion\PythonPath\(Default)               = $GlobalPythonPath\Lib\;$GlobalPythonPath\DLLs\"

      Write-HostAndLog "Success - Created registry keys for python $GlobalPythonVersion" -ForegroundColor "Green"

      Quit "System has been successfully modified"
    }
    1 { Quit "Did not modify the system" }
  }

}
catch {
  Quit $_
}