[CI] Add Wheel Variant Packaging Format#446
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Adds a GitHub Actions workflow to build and publish hardware-variant deep_ep wheels using variantlib (wheelnext). Supports 910b and a3 hardware targets across x86_64/aarch64 and Python 3.10/3.11. Key features: - Builds deep_ep wheels inside official CANN container images - Repairs wheels with auditwheel, excluding Ascend runtime libs - Generates hardware-variant wheels via variantlib with `ascend :: npu_type` property only - Uploads regular wheels to PyPI and variant wheels + index to OBS
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Motivation
This PR introduces WheelNext (PEP 817) variant metadata into the release workflow, enabling variant-aware installers (pip / uv) to automatically select the correct wheel based on the user's Ascend CANN version and NPU hardware type, without requiring manual zip selection.
Changes
Add a workflow for building deep-ep wheel vairiant, for now just remain old deepep workflow in build_and_release.yml, and migrate to wheelnext variant in the future, after that we can remove deepep workflow in build_and_release.yml.
And user can install deep-ep like the following:
here is the command ouput:
Does this PR introduce any user-facing change?
No. Users will be able to install hardware-specific deep_ep wheels from
the OBS variant index, eliminating the need to build from source.