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Use nanobind for Stable ABI wheels #287

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git subrepo pull --remote=https://gitlab.com/libeigen/eigen.git --bra…
dalcinl Dec 14, 2025
0e6da81
python: Use nanobind and support Stable ABI builds
dalcinl Dec 14, 2025
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161 changes: 133 additions & 28 deletions .github/workflows/test_python.yml
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@@ -1,30 +1,135 @@
name: Test Python
on: [push, pull_request]
name: Python

on: # yamllint disable-line rule:truthy
push:
pull_request:
workflow_call:
workflow_dispatch:

jobs:
test:
runs-on: ${{ matrix.runner }}
strategy:
fail-fast: false
matrix:
runner:
- ubuntu-latest
- macos-latest
python-version:
- "3.10"
- "3.x"
steps:

- uses: actions/checkout@v6
with:
submodules: recursive

- uses: actions/setup-python@v6
with:
python-version: ${{ matrix.python-version }}

- name: Install package for testing
run: python -m pip install ".[test]"

- name: Run tests
run: pytest

sdist:
runs-on: ubuntu-latest
steps:

- uses: actions/checkout@v6

- uses: actions/setup-python@v6
with:
python-version: 3
pip-install: build twine

- name: Build sdist
run: python -m build --sdist

- name: Check sdist
run: python -m twine check dist/*.tar.gz

- name: Upload sdist
uses: actions/upload-artifact@v5
with:
name: sdist
path: dist/*.tar.gz
retention-days: 1

wheel:
runs-on: ${{ matrix.runner }}
strategy:
fail-fast: false
matrix:
runner:
- ubuntu-24.04
- ubuntu-24.04-arm
- macos-15
- macos-15-intel
python:
- "cp310"
- "cp311"
- "cp312"
env:
pysabi: ${{ matrix.python == 'cp312' && matrix.python || '' }}
steps:

- name: Checkout
uses: actions/checkout@v6

- name: Setup Python
uses: actions/setup-python@v6
with:
python-version: 3
pip-install: abi3audit

- name: Setup environment
run: |
# Reproducible Builds
echo SOURCE_DATE_EPOCH=$(git log -1 --pretty=%at) >> $GITHUB_ENV
if [ ${{ runner.os }} = macOS ]; then
echo ZERO_AR_DATE=YES >> $GITHUB_ENV; fi
# macOS Deployment Target
if [ ${{ runner.os }}-${{ runner.arch }} = macOS-X64 ]; then
echo MACOSX_DEPLOYMENT_TARGET=10.13 >> $GITHUB_ENV; fi

- name: Build wheel
uses: pypa/cibuildwheel@v3.3.0
with:
extras: uv
output-dir: dist
env:
CIBW_BUILD: "${{ matrix.python }}-*"
CIBW_SKIP: "*musllinux*"
CIBW_BUILD_FRONTEND: "build[uv]"
CIBW_ENVIRONMENT: >-
SKBUILD_WHEEL_PY_API=${{ env.pysabi }}

- name: Check wheel
run: python -m abi3audit -Ss dist/*.whl
if: ${{ env.pysabi != '' }}

- name: Upload wheel
uses: actions/upload-artifact@v5
with:
name: wheel-${{ runner.os }}-${{ runner.arch }}-${{ matrix.python }}
path: dist/*.whl
retention-days: 1

test:
needs: [wheel]
runs-on: ${{ matrix.runner }}
strategy:
fail-fast: false
matrix:
runner:
- ubuntu-24.04
- ubuntu-24.04-arm
- macos-15
- macos-15-intel
python:
- "3.10"
- "3.11"
- "3.12"
- "3.13"
- "3.14"
- "3.x"
steps:

- name: Checkout
uses: actions/checkout@v6

- name: Setup Python
uses: actions/setup-python@v6
with:
python-version: ${{ matrix.python }}
pip-install: pytest

- name: Download wheel
uses: actions/download-artifact@v6
with:
path: dist
pattern: wheel-${{ runner.os }}-${{ runner.arch }}-*
merge-multiple: true

- name: Install wheel
run: python -m pip install mutationpp --find-links=dist

- name: Test wheel
run: pytest
215 changes: 65 additions & 150 deletions .github/workflows/wheels.yml
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@@ -1,157 +1,72 @@
name: Python wheels
on:

on: # yamllint disable-line rule:truthy
push:
tags:
- 'v*.*.*'
workflow_dispatch:
inputs:
publish-pypi:
description: 'Publish to PyPI'
required: false
type: boolean
default: false

jobs:
test_linux:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v6
with:
submodules: recursive

- uses: actions/setup-python@v6
with:
python-version: "3.x"

- name: Install package for testing
run: python -m pip install ".[test]"

- name: Run tests
run: pytest

test_mac:
runs-on: macos-latest
steps:
- uses: actions/checkout@v6
with:
submodules: recursive

- uses: actions/setup-python@v6
with:
python-version: "3.x"

- name: Install package for testing
run: python -m pip install ".[test]"

- name: Run tests
run: pytest

linux_wheels:
strategy:
matrix:
python-version:
- cp310-cp310
- cp311-cp311
- cp312-cp312
- cp313-cp313
- cp314-cp314

needs: test_linux
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v6
with:
submodules: recursive

- uses: actions/setup-python@v6
with:
python-version: 3.14

- name: Build manylinux Python wheels
uses: RalfG/python-wheels-manylinux-build@v0.3.4-manylinux2010_x86_64
with:
python-versions: ${{ matrix.python-version }}

- uses: actions/upload-artifact@v2
with:
name: linux_wheels
path: "dist/*-manylinux*.whl"
retention-days: 1

mac_wheels:
strategy:
matrix:
python-version:
- "3.10"
- "3.11"
- "3.12"
- "3.13"
- "3.14"
needs: test_mac
runs-on: macos-latest
steps:
- uses: actions/checkout@v6
with:
submodules: recursive

- uses: actions/setup-python@v6
with:
python-version: ${{ matrix.python-version }}

- name: Install build
run: python -m pip install build

- name: Build wheel
run: python -m build --whell

- uses: actions/upload-artifact@v2
with:
name: mac_wheels
path: "dist/*.whl"
retention-days: 1

sdist:
needs: test_linux
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v6
with:
submodules: recursive

- uses: actions/setup-python@v6
with:
python-version: "3.x"

- name: Install build
run: python -m pip install build

- name: Build sdist
run: python -m build --sdist

- uses: actions/upload-artifact@v2
with:
name: sdist
path: "dist/*.tar.gz"
retention-days: 1

upload_wheels:
runs-on: ubuntu-latest
needs: [linux_wheels, mac_wheels]
steps:
- uses: actions/download-artifact@v2
with:
name: linux_wheels
path: dist

- uses: actions/download-artifact@v2
with:
name: mac_wheels
path: dist

- uses: actions/download-artifact@v2
with:
name: sdist
path: dist

- uses: actions/setup-python@v6
with:
python-version: "3.x"

- name: Install twine
run: python -m pip install twine

- name: Upload wheels
run: twine upload -u __token__ -p "${{ secrets.TESTPYPI_TOKEN }}" --repository testpypi dist/*
build:
uses: ./.github/workflows/test_python.yml

publish-pypi:
# TODO: create GitHub environment
# environment:
# name: pypi
# url: https://pypi.org/project/mutationpp
needs: [build]
runs-on: ubuntu-latest
permissions:
contents: read
id-token: write
attestations: write
steps:

- name: Download sdist artifact
uses: actions/download-artifact@v6
with:
path: dist
pattern: sdist
merge-multiple: true

- name: Download wheel artifacts
uses: actions/download-artifact@v6
with:
path: dist
pattern: wheel-*
merge-multiple: true

- name: Checksum artifacts
run: |
sha256sum -b *
echo '```' >> "$GITHUB_STEP_SUMMARY"
sha256sum -b * >> "$GITHUB_STEP_SUMMARY"
echo '```' >> "$GITHUB_STEP_SUMMARY"
working-directory: dist

- if: |
inputs.publish-pypi ||
github.ref_type == 'tag'
name: Attest artifacts
uses: actions/attest-build-provenance@v3
with:
subject-path: dist/*

- if: |
inputs.publish-pypi ||
github.ref_type == 'tag'
name: Publish to PyPI
uses: pypa/gh-action-pypi-publish@release/v1
with:
# TODO: remove next line to use the main PyPI index
repository-url: https://test.pypi.org/legacy/
# TODO: setup Trusted Publising on PyPI, then remove next line
password: ${{ secrets.TESTPYPI_TOKEN }}
2 changes: 1 addition & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ if (BUILD_FORTRAN_WRAPPER)
endif()

#######################################################################
# Python bindings built with scikit-build-core + pybind11 #
# Python bindings built with scikit-build-core + nanobind #
#######################################################################

if (SKBUILD)
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