Merge pull request #473 from Microsoft/ps_fixes

Ps fixes

Author: katja-hofmann

scripts/malmo_install.ps1

@@ -21,7 +21,7 @@ try {
          Install-XSD;
          Install-VCRedist;
          Install-Mesa;"
-    if (-NOT ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator"))
+    if (-Not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator"))
     {
         Write-Host "Elevating to admin ..."
         $InstallScript = [ScriptBlock]::Create("cd $env:HOMEDRIVE$env:HOMEPATH; Import-Module $MALMO_HOME\scripts\pslib\malmo_lib.psm1;" + $InstallList + "Check-Error")
@@ -42,6 +42,21 @@ try {
         [Environment]::SetEnvironmentVariable("JAVA_HOME", "C:\Program Files\Java\jdk1.8.0_111", "Process")
     }
 
+    # update pythonpath
+    $newPyPath = $MALMO_HOME + "\Python_Examples"
+    if (!$env:PYTHONPATH) {
+        [Environment]::SetEnvironmentVariable("PYTHONPATH", $newPyPath, "User")
+        [Environment]::SetEnvironmentVariable("PYTHONPATH", $newPyPath, "Process")
+    } else {
+        $parts = $env:PYTHONPATH.split(";")
+        if (-Not ($parts -Contains $newPyPath))
+        {
+            $newPyPath = env:PYTHONPATH + ";" + $newPyPath
+            [Environment]::SetEnvironmentVariable("PYTHONPATH", $newPyPath, "User")
+            [Environment]::SetEnvironmentVariable("PYTHONPATH", $newPyPath, "Process")
+        }
+    }
+
     # Now "install" Malmo
     Display-Heading ("Installing Malmo in " + $MALMO_HOME)
     cd $MALMO_HOME

scripts/pslib/malmo_lib.psm1

@@ -238,7 +238,7 @@ function Install-Mesa
     {
         Display-Heading "Installing Mesa software renderer"
         Download-File "http://download.qt.io/development_releases/prebuilt/llvmpipe/windows/opengl32sw-64.7z" ($env:HOMEPATH + "\temp\mesa.7z")
-        & 'C:\Program Files\7-Zip\7z.exe' x .\temp\mesa.7z -o'.\temp\mesa' | Out-Host
+        & 'C:\Program Files\7-Zip\7z.exe' x .\temp\mesa.7z '-o.\temp\mesa' | Out-Host
         if (-Not $?)
         {
             Write-Host "FAILED TO INSTALL MESA"