Use uv and simplify wheel building

.github/workflows/ci.yml

@@ -29,22 +29,21 @@ jobs:
       with:
           submodules: recursive
           fetch-depth: 0
-    - name: Set up Python ${{ matrix.python-version }}
+    - name: Setup Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-          pip install --upgrade pip
-          pip install --upgrade -r requirements.txt
-          pip install --upgrade ninja
+    - name: Setup uv
+      uses: astral-sh/setup-uv@v6
     - name: Build
-      run: pip install -v --no-build-isolation --config-settings=builddir=builddir .
+      run: |
+        uv sync --frozen --inexact -v --no-install-project
+        uv sync --frozen --inexact -v --no-build-isolation --no-editable --config-settings=builddir=builddir
     - name: Install cypari2
       run: |
         sudo apt-get update
         sudo apt-get install pari-gp libpari-dev
         pip install --upgrade cypari2
       if: matrix.os == 'ubuntu-latest'
     - name: Test
-      run: meson test --print-errorlogs -C builddir
+      run: uv run --no-editable meson test --print-errorlogs -C builddir

.github/workflows/dist.yml

@@ -11,128 +11,75 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-
-  sdists_for_pypi:
-    name: Build sdist (and upload to PyPI on release tags)
+  make_sdist:
+    name: Build sdist
     runs-on: ubuntu-latest
-    env:
-      CAN_DEPLOY: ${{ secrets.SAGEMATH_PYPI_API_TOKEN != '' }}
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
-      - name: Install dependencies
-        run: |
-          pip install --upgrade pip
-          pip install --upgrade -r requirements.txt
+      - uses: astral-sh/setup-uv@v6
       - name: Build sdist
-        run: python -m build --sdist .
+        run: uv build --sdist
       - uses: actions/upload-artifact@v4
         with:
           path: "dist/*.tar.*"
-          name: dist
-      - uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.SAGEMATH_PYPI_API_TOKEN }}
-          skip_existing: true
-          verbose: true
-        if: env.CAN_DEPLOY == 'true' && github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+          name: release-sdist
 
   build_wheels:
-    name: Build wheels on ${{ matrix.os }}, arch ${{ matrix.arch }}
+    name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
-    needs: sdists_for_pypi
     strategy:
       fail-fast: false
       matrix:
-        include:
-          - os: ubuntu-latest
-            arch: x86_64
-          - os: ubuntu-latest
-            arch: i686
-          - os: macos-13
-            arch: x86_64
-          - os: macos-14
-            arch: arm64
-    env:
-      # SPKGs to install as system packages
-      SPKGS: _bootstrap _prereq
-      # Non-Python packages to install as spkgs
-      TARGETS_PRE:
-      # on pp310: build/src/cysignals/implementation.c:231:9: error: implicit declaration of function 'PyPyErr_SetInterrupt' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
-      CIBW_SKIP: "pp31*"
-      #
-      CIBW_ARCHS: ${{ matrix.arch }}
-      # https://cibuildwheel.readthedocs.io/en/stable/options/#requires-python
-      CIBW_PROJECT_REQUIRES_PYTHON: ">=3.9"
-      # Environment during wheel build
-      CIBW_ENVIRONMENT: "PATH=$(pwd)/local/bin:$PATH CPATH=$(pwd)/local/include:$CPATH LIBRARY_PATH=$(pwd)/local/lib:$LIBRARY_PATH LD_LIBRARY_PATH=$(pwd)/local/lib:$LD_LIBRARY_PATH PKG_CONFIG_PATH=$(pwd)/local/share/pkgconfig:$PKG_CONFIG_PATH ACLOCAL_PATH=/usr/share/aclocal"
-      # Use 'build', not 'pip wheel'
-      CIBW_BUILD_FRONTEND: build
+        os:
+          - ubuntu-latest
+          - ubuntu-24.04-arm
+          - windows-latest
+          - windows-11-arm
+          - macos-13
+          - macos-latest
     steps:
       - uses: actions/checkout@v4
-        with:
-          repository:   sagemath/sage
-          ref:          develop
-
-      - uses: actions/download-artifact@v4
-        with:
-          name: dist
-          path: dist
-
-      - uses: actions/setup-python@v5
-        # As of 2024-02-03, the macOS M1 runners do not have preinstalled python or pipx.
-        # Installing pipx follows the approach of https://github.com/pypa/cibuildwheel/pull/1743
-        id: python
-        with:
-          python-version: "3.9 - 3.12"
-          update-environment: false
-
-      - name: Build platform wheels
-        # We build the wheel from the sdist.
-        # But we must run cibuildwheel with the unpacked source directory, not a tarball,
-        # so that SAGE_ROOT is copied into the build containers.
-        #
-        # In the CIBW_BEFORE_ALL phase, we install libraries using the Sage distribution.
-        # https://cibuildwheel.readthedocs.io/en/stable/options/#before-all
-        run: |
-          "${{ steps.python.outputs.python-path }}" -m pip install pipx
-          export PATH=build/bin:$PATH
-          export CIBW_BEFORE_ALL="( $(sage-print-system-package-command debian --yes --no-install-recommends install $(sage-get-system-packages debian $SPKGS)) || $(sage-print-system-package-command fedora --yes --no-install-recommends install $(sage-get-system-packages fedora $SPKGS | sed s/pkg-config/pkgconfig/)) || ( $(sage-print-system-package-command homebrew --yes --no-install-recommends install $(sage-get-system-packages homebrew $SPKGS)) || $(sage-print-system-package-command alpine --yes --no-install-recommends install $(sage-get-system-packages alpine $SPKGS)) || echo error ignored) )"
-          mkdir -p unpacked
-          for pkg in cysignals; do
-              (cd unpacked && tar xfz - ) < dist/$pkg*.tar.gz
-              "${{ steps.python.outputs.python-path }}" -m pipx run cibuildwheel==2.18.0 unpacked/$pkg*
-          done
-
+      - uses: astral-sh/setup-uv@v6
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v3.1
       - uses: actions/upload-artifact@v4
         with:
-          name: ${{ matrix.os }}-${{ matrix.arch }}-wheels
-          path: ./wheelhouse/*.whl
+          name: release-wheels-${{ matrix.os }}
+          path: wheelhouse/*.whl
 
   pypi-publish:
     # This needs to be a separate job because pypa/gh-action-pypi-publish cannot run on macOS
     # https://github.com/pypa/gh-action-pypi-publish
     name: Upload wheels to PyPI
-    needs: build_wheels
-    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+    needs: [build_wheels, make_sdist]
+    if: 
     runs-on: ubuntu-latest
     env:
       CAN_DEPLOY: ${{ secrets.SAGEMATH_PYPI_API_TOKEN != '' }}
+    permissions:
+      id-token: write
+      attestations: write
+      contents: read
     steps:
-
       - uses: actions/download-artifact@v4
         with:
-          pattern: "*-*-wheels"
-          path: wheelhouse
+          pattern: release-*
+          path: dist
           merge-multiple: true
+
+      - name: List files
+        run: ls -l -R dist
+
+      - name: Generate artifact attestations
+        uses: actions/attest-build-provenance@v2
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+        with:
+          subject-path: "dist/*"
 
       - name: Publish package distributions to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__
           password: ${{ secrets.SAGEMATH_PYPI_API_TOKEN }}
-          packages_dir: wheelhouse/
-          skip_existing: true
           verbose: true
-        if: env.CAN_DEPLOY == 'true'
+        if: env.CAN_DEPLOY == 'true' && github.event_name == 'push' && startsWith(github.ref, 'refs/tags')

example/README

@@ -1,3 +1,12 @@
 This is a minimal working example package using cysignals.
 
 Building this package is also part of the cysignals testsuite.
+
+On a clear repo, and no cysignals installed anywhere, the following
+works:
+
+uv venv
+source .venv/bin/activate
+uv sync --frozen --inexact -v --no-install-project
+uv sync --frozen --inexact -v --no-build-isolation --no-editable --config-settings=builddir=builddir
+uv run --no-editable meson test --print-errorlogs -C builddir

example/meson.build

@@ -2,18 +2,7 @@ project('cysignals_example', 'cython', 'cpp')
 
 py = import('python').find_installation()
 
-inc_cysignals = run_command(
-  py,
-  [
-    '-c',
-    '''
-import cysignals
-print(cysignals.__file__.replace('__init__.py', ''))
-    '''.strip(),
-  ],
-  check: true,
-).stdout().strip()
-cysignals = declare_dependency(include_directories: inc_cysignals)
+cysignals = dependency('cysignals')
 
 py.extension_module('cysignals_example',
   sources: ['cysignals_example.pyx'],

example/pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["meson-python", "cython>=0.28"]
+requires = ["meson-python", "cython>=0.28", "pkgconf"]
 build-backend = "mesonpy"
 
 [project]

pyproject.toml

@@ -30,8 +30,34 @@ classifiers = [
     "Topic :: Software Development :: Debuggers",
 ]
 urls = { Homepage = "https://github.com/sagemath/cysignals" }
-requires-python = ">=3.9"
+requires-python = ">=3.9,<3.14"
+
+[project.entry-points.pkg_config]
+cysignals = 'cysignals'
 
 [tool.pytest.ini_options]
 addopts = "--doctest-modules --import-mode importlib"
 testpaths = "src tests"
+
+[dependency-groups]
+dev = [
+    "build>=1.3.0",
+    "cibuildwheel>=2.23.3",
+    "cython>=3.1.4",
+    "meson>=1.9.0",
+    "meson-python>=0.18.0",
+    "ninja>=1.13.0",
+    "pkgconf>=2.4.3.post2",
+    "pytest>=8.4.2",
+]
+
+[tool.cibuildwheel]
+skip = ["*-win32"]
+test-groups = ["dev"]
+test-sources = ["tests", "pyproject.toml"]
+test-command = "python -m pytest"
+build-frontend = "build[uv]"
+build-verbosity = 1
+
+[tool.cibuildwheel.windows]
+config-settings = { setup-args = ["--vsenv"] }

src/cysignals/cysignals.pc

@@ -0,0 +1,6 @@
+includedir=${pcfiledir}
+
+Name: cysignals
+Description: cysignals library
+Version: 1.0.0
+Cflags: -I${includedir}

src/cysignals/meson.build

@@ -2,6 +2,7 @@ configure_file(output: 'cysignals_config.h', configuration: config, install_dir:
 
 py.install_sources(
     '__init__.py',
+    'cysignals.pc',
     'cysignals-CSI-helper.py',
     'memory.pxd',
     'pysignals.pxd',