Add Provides-Dist metadata to onnxruntime variant packages #27035
+67
−0
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Description
Modern Python dependency resolvers (pip ≥20.3, uv, poetry, pdm) treat
onnxruntime-gpuandonnxruntimeas unrelated packages, causing both to install simultaneously. This happens because variant packages don't declareProvides-Dist: onnxruntimein their wheel metadata, violating PEP 566 dependency resolution semantics.Changes:
setuptools.Distributionto injectProvides-Distmetadata into wheel METADATA files via monkey-patchedwrite_pkg_filemethodProvides-Dist: onnxruntime (=={version})package_name != "onnxruntime"Result:
Motivation and Context
Resolves dependency conflicts where variant packages fail to satisfy base package requirements, causing duplicate installations and environment pollution. Implements PEP 566 Provides-Dist field for proper distribution aliasing.
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