Use powershell and nuget to install prereleases of Python

jaraco · May 20, 2020 · ab8b1d7 · ab8b1d7
1 parent a6a5d75
commit ab8b1d7
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
@@ -39,10 +39,17 @@ stages:
       maxParallel: 4
 
     steps:
+    - powershell: |
+        nuget install python -Prerelease -OutputDirectory "$(Build.BinariesDirectory)" -ExcludeVersion -NonInteractive
+        Write-Host "##vso[task.prependpath]$(Build.BinariesDirectory)\python\tools"
+        Write-Host "##vso[task.prependpath]$(Build.BinariesDirectory)\python\tools\Scripts"
+      condition: and(succeeded(), and(eq($(python.version), '3.9'), eq($(pool_vm_image), 'vs2017-win2016')))
+
     - task: UsePythonVersion@0
       inputs:
         versionSpec: '$(python.version)'
         architecture: 'x64'
+      condition: and(succeeded(), ne($(python.version), '3.9'))
 
     - script: python -m pip install tox
       displayName: 'Install tox'