[build] pin `setuptools>=77` to enable PEP 639 #158104

XuehaiPan · 2025-07-11T05:53:37Z

setuptools v77 adds PEP 639 support for SPDX expression as package.license in pyproject.toml and also deprecated TOML-table-based package.license. That depression will be converted to an error in the future.

Note that setuptools<77 does not support SPDX-based package.license while setuptools>=77 will error for non-SPDX-based package.license in the future. We need an explicit version pin for setuptools>=77 (or pin setuptools<77).

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❌ 14 New Failures, 228 Pending

As of commit dde688d with merge base be53f60 ():

NEW FAILURES - The following jobs have failed:

Build Triton wheels / Build Triton Windows Wheel (3.10, xpu) (gh)
ninja: build stopped: subcommand failed
Build Triton wheels / Build Triton Windows Wheel (3.11, xpu) (gh)
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Build Triton wheels / Build Triton Windows Wheel (3.12, xpu) (gh)
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Build Triton wheels / Build Triton Windows Wheel (3.13, xpu) (gh)
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Build Triton wheels / Build Triton Windows Wheel (3.13t, xpu) (gh)
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Build Triton wheels / Build Triton Windows Wheel (3.9, xpu) (gh)
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linux-binary-manywheel / manywheel-py3_10-xpu-build / build (gh)
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linux-binary-manywheel / manywheel-py3_11-xpu-build / build (gh)
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linux-binary-manywheel / manywheel-py3_12-xpu-build / build (gh)
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linux-binary-manywheel / manywheel-py3_13-xpu-build / build (gh)
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linux-binary-manywheel / manywheel-py3_13t-xpu-build / build (gh)
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linux-binary-manywheel / manywheel-py3_14-xpu-build / build (gh)
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linux-binary-manywheel / manywheel-py3_14t-xpu-build / build (gh)
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linux-binary-manywheel / manywheel-py3_9-xpu-build / build (gh)
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iremyux · 2025-08-06T11:30:07Z

Adding ciflow/win-arm64 label to trigger Windows Arm64 CI and its test purposes - nothing about this PR specifically. (It should not effect the acceptance of the PR even if it fails.)

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XuehaiPan · 2025-08-11T13:31:54Z

Since PyTorch 2.8.0 has been released, I wonder if there are any blockers or unresolved concerns about this PR? cc @albanD

albanD · 2025-08-11T18:33:00Z

To me there are two main concers:

I don't understand what we need from pep 639 that justifies all of this.
A lot of version updates and pinning that I'm not sure how to check clearly.

XuehaiPan · 2025-08-12T04:41:02Z

To me there are two main concers:

I don't understand what we need from pep 639 that justifies all of this.

See the PR description #158104 (comment), we will need to pin either <77.0 or >=77.0 shortly. Otherwise, setuptools will complain and fail.

A lot of version updates and pinning that I'm not sure how to check clearly.

I will try to remove the pins as much as I can in this PR, and then get back to you.

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XuehaiPan requested review from a team and jeffdaily as code owners July 11, 2025 05:53

pytorch-bot bot added the release notes: releng release notes category label Jul 11, 2025

XuehaiPan added a commit that referenced this pull request Jul 11, 2025

[build] pin setuptools>=77 to enable PEP 639

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ghstack-source-id: 0de80b7 Pull-Request: #158104

pytorchbot added the open source label Jul 11, 2025

XuehaiPan marked this pull request as draft July 11, 2025 06:27

XuehaiPan added ciflow/binaries Trigger all binary build and upload jobs on the PR ciflow/trunk Trigger trunk jobs on your pull request ciflow/inductor labels Jul 11, 2025

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[BE][Easy] split build system requirements.txt to a separate file #158111

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[build] pin setuptools>=77 to enable PEP 639

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/158104

❌ 14 New Failures, 228 Pending

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