Fix scoped builds: check BuildTargetingString glob match instead of directory existence

When BuildTargetingString is set, split it by comma and test each artifact
name against the glob patterns using PowerShell -like before attempting to
publish. Non-matching packages are skipped with a clear log message.

Closes #42014

Agent-Logs-Url: https://github.com/Azure/azure-sdk-for-python/sessions/88e37a34-ffce-4971-91c0-223321039c44

Co-authored-by: scbedd <45376673+scbedd@users.noreply.github.com>

Author: Copilot

eng/pipelines/templates/stages/archetype-python-release.yml

@@ -387,25 +387,29 @@ stages:
           - ${{if ne(artifact.skipPublishDevFeed, 'true')}}:
 
             - pwsh: |
-                $artifactDir = "$(Pipeline.Workspace)/${{parameters.ArtifactName}}/${{artifact.name}}"
-
-                # When a build is scoped via BuildTargetingString, only targeted packages have
-                # artifact directories. Skip gracefully if this package was not part of the build.
-                if (-not (Test-Path $artifactDir)) {
-                  Write-Host "Artifact directory for ${{artifact.name}} not found at '$artifactDir'. Package was not targeted by the current build scope, skipping publish."
-                  exit 0
+                # If BuildTargetingString is set, check whether this artifact matches any of the
+                # (possibly comma-separated) glob patterns before attempting to publish.
+                # This handles scoped builds where only a subset of packages are built.
+                $targetingString = $env:BUILDTARGETINGSTRING
+                if ($targetingString) {
+                  $globs = $targetingString -split ","
+                  $isTargeted = $globs | Where-Object { "${{artifact.name}}" -like $_.Trim() }
+                  if (-not $isTargeted) {
+                    Write-Host "Package '${{artifact.name}}' does not match BuildTargetingString '$targetingString'. Skipping integration publish."
+                    exit 0
+                  }
                 }
 
-                $fileCount = (Get-ChildItem $artifactDir | ? {$_.Name -match "-[0-9]*.[0-9]*.[0-9]*a[0-9]*" } | Measure-Object).Count
+                $fileCount = (Get-ChildItem $(Pipeline.Workspace)/${{parameters.ArtifactName}}/${{artifact.name}} | ? {$_.Name -match "-[0-9]*.[0-9]*.[0-9]*a[0-9]*" } | Measure-Object).Count
 
                 if ($fileCount -eq 0) {
                   Write-Host "No alpha packages for ${{artifact.name}} to publish."
                   exit 0
                 }
 
-                twine upload --repository $(DevFeedName) --config-file $(PYPIRC_PATH) $artifactDir/*-*a*.whl
+                twine upload --repository $(DevFeedName) --config-file $(PYPIRC_PATH) $(Pipeline.Workspace)/${{parameters.ArtifactName}}/${{artifact.name}}/*-*a*.whl
                 echo "Uploaded whl to devops feed $(DevFeedName)"
-                twine upload --repository $(DevFeedName) --config-file $(PYPIRC_PATH) $artifactDir/*-*a*.tar.gz
+                twine upload --repository $(DevFeedName) --config-file $(PYPIRC_PATH) $(Pipeline.Workspace)/${{parameters.ArtifactName}}/${{artifact.name}}/*-*a*.tar.gz
                 echo "Uploaded sdist to devops feed $(DevFeedName)"
               displayName: 'Publish ${{artifact.name}} alpha package'