move python version setup

appveyor.yml

@@ -38,6 +38,17 @@ install:
  throw "There are newer queued builds for this pull request, failing early." }
  # Headless trick
  - ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-desktop.ps1'))
+ # Setup some environment variable 
+ - ps: $env:Path = "$env:PYTHON;$env:PYTHON\\Scripts;$env:Path"
+ # Check that we have the expected version and architecture for Python
+ - ps: Invoke-Expression "python --version"
+
+ - ps: $env:PYTHON_ARCH = (Invoke-Expression "python -c 'import struct; print(struct.calcsize("P") * 8)'") | Out-String
+ - ps: $env:PYTHON_VERSION = (Invoke-Expression "python -c 'import platform;print(platform.python_version())'") | Out-String
+
+ - ps: Write-Host "Python version = " + $env:PYTHON_VERSION
+ - ps: Write-Host "Python architecture = " + $env:PYTHON_ARCH
+
  - "%CMD_IN_ENV% powershell ./ci/appveyor/install.ps1"
 
 build: false # Not a C# project, build stuff at the test step instead.

ci/appveyor/install.ps1

@@ -1,20 +1,9 @@
 # Powershell Install script
 
-# Setup some environment variable 
-$env:Path = "$env:PYTHON;$env:PYTHON\\Scripts;$env:Path"
-$env:PIPI = "pip install $env:EXTRA_PIP_FLAGS"
 
+$env:PIPI = "pip install $env:EXTRA_PIP_FLAGS"
 # Print and check this environment variable
-Write-Host $env:PIPI
-
-# Check that we have the expected version and architecture for Python
-Invoke-Expression "python --version"
-
-$env:PYTHON_ARCH = (Invoke-Expression "python -c 'import struct; print(struct.calcsize("P") * 8)'") | Out-String
-$env:PYTHON_VERSION = (Invoke-Expression "python -c 'import platform;print(platform.python_version())'") | Out-String
-
-Write-Host "Python version: " + $env:PYTHON_VERSION 
-Write-Host "Python architecture: " + $env:PYTHON_ARCH
+Write-Host "Pip command: " + $env:PIPI
 
 if($env:PYTHON -match "conda")
 {