Test registry path before invoking Get-ChildItem (#95)

[versions-manifest] Update for release from 05/04/2021

.github/CODEOWNERS

@@ -0,0 +1 @@
+* @actions/virtual-environments-owners

installers/win-setup-template.ps1

@@ -28,16 +28,20 @@ function Remove-RegistryEntries {
     $versionFilter = Get-RegistryVersionFilter -Architecture $Architecture -MajorVersion $MajorVersion -MinorVersion $MinorVersion
 
     $regPath = "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products"
-    $regKeys = Get-ChildItem -Path Registry::$regPath -Recurse | Where-Object Property -Ccontains DisplayName
-    foreach ($key in $regKeys) {
-        if ($key.getValue("DisplayName") -match $versionFilter) {
-            Remove-Item -Path $key.PSParentPath -Recurse -Force -Verbose
+    if (Test-Path -Path Registry::$regPath) {
+        $regKeys = Get-ChildItem -Path Registry::$regPath -Recurse | Where-Object Property -Ccontains DisplayName
+        foreach ($key in $regKeys) {
+            if ($key.getValue("DisplayName") -match $versionFilter) {
+                Remove-Item -Path $key.PSParentPath -Recurse -Force -Verbose
+            }
         }
     }
 
     $regPath = "HKEY_CLASSES_ROOT\Installer\Products"
-    Get-ChildItem -Path Registry::$regPath | Where-Object { $_.GetValue("ProductName") -match $versionFilter } | ForEach-Object {
-        Remove-Item Registry::$_ -Recurse -Force -Verbose
+    if (Test-Path -Path Registry::$regPath) {
+        Get-ChildItem -Path Registry::$regPath | Where-Object { $_.GetValue("ProductName") -match $versionFilter } | ForEach-Object {
+            Remove-Item Registry::$_ -Recurse -Force -Verbose
+        }
     }
 
     $uninstallRegistrySections = @(
@@ -121,6 +125,11 @@ if ($LASTEXITCODE -ne 0) {
     Throw "Error happened during Python installation"
 }
 
+Write-Host "Create `python3` symlink"
+if ($MajorVersion -ne "2") {
+    New-Item -Path "$PythonArchPath\python3.exe" -ItemType SymbolicLink -Value "$PythonArchPath\python.exe"
+}
+
 Write-Host "Install and upgrade Pip"
 $PythonExePath = Join-Path -Path $PythonArchPath -ChildPath "python.exe"
 cmd.exe /c "$PythonExePath -m ensurepip && $PythonExePath -m pip install --upgrade pip --no-warn-script-location"

tests/python-tests.ps1

@@ -21,9 +21,14 @@ function Analyze-MissingModules([string] $buildOutputLocation) {
     $regexMatch = [regex]::match($SplitBuiltOutput, $Pattern)
     if ($regexMatch.Success)
     {
+        $module = $regexMatch.Groups[1].Value.Trim()
         Write-Host "Failed missing modules:"
-        Write-Host $regexMatch.Groups[1].Value
-        return 1
+        Write-Host $module
+        if ( ($module -eq "_tkinter") -and ( ($Version -like "3.10.0-beta*") -or ($Version -like "3.10.0-alpha*") ) ) {
+          Write-Host "$module $Version ignored"
+        } else {
+          return 1
+        }
     }
 
     return 0
@@ -82,4 +87,4 @@ Describe "Tests" {
             "./dist/simple-test" | Should -ReturnZeroExitCode
         }
     }
-}
+}