fix: skip Python binary validation when pip is not used (#678) #830
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When no requirements.txt exists or download_dependencies=False, the workflow only copies files and doesn't run pip. In these cases, skip PythonRuntimeValidator and use the base RuntimeValidator instead. This allows builds to succeed even when the target Python runtime isn't installed locally, as long as no dependencies need to be installed.
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Jan 27, 2026
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These changes individually look good to me (and thus I'm approving). I do have a question about whether this pattern should apply to other workflows. For example, should the Ruby builder need ruby installed? It's fine by me if we merge this and then create an issue to track the remaining ones, but please correct me if this is a pip only issue.
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When no requirements.txt exists or download_dependencies=False, the workflow only copies files and doesn't run pip. In these cases, skip PythonRuntimeValidator and use the base RuntimeValidator instead.
This allows builds to succeed even when the target Python runtime isn't installed locally, as long as no dependencies need to be installed.
Issue #, if available:
#678
Description of changes
Determine if pip is required for the workflow and only then validate the runtime.
Description of how you validated changes
Unit tests and integration tests.
Checklist
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.