Refactor CI workflow to use cibuildwheels

.github/workflows/pythonpackage.yml

@@ -3,56 +3,75 @@ name: samplerate
 on: [push, pull_request]
 
 jobs:
-  build:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
-      max-parallel: 12
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [3.9, "3.10", "3.11", "3.12", "3.13", "3.14"]
+        include:
+          # Linux x86_64
+          - os: ubuntu-latest
+            arch: x86_64
+            cibw_archs: "x86_64"
+          # Linux ARM64 (native, no QEMU)
+          - os: ubuntu-24.04-arm
+            arch: aarch64
+            cibw_archs: "aarch64"
+          # Windows AMD64
+          - os: windows-latest
+            arch: AMD64
+            cibw_archs: "AMD64"
+          # macOS x86_64 (Intel)
+          - os: macos-15-intel
+            macoosx_deployment_target: "10.15"
+            arch: x86_64
+            cibw_archs: "x86_64"
+          # macOS ARM64 (Apple Silicon)
+          - os: macos-latest
+            macoosx_deployment_target: "11.0"
+            arch: arm64
+            cibw_archs: "arm64"
     steps:
-    - uses: actions/checkout@v5
-      with:
-        submodules: recursive
-    # - name: Checkout submodules
-    #   shell: bash
-    #   run: |
-    #     auth_header="$(git config --local --get http.https://github.com/.extraheader)"
-    #     git submodule sync --recursive
-    #     git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
-    - name: Install uv
-      uses: astral-sh/setup-uv@v7
-    - name: Sync dependencies with uv
-      run: |
-        uv sync --locked --all-groups --python ${{ matrix.python-version }}
-    - name: Build sdist
-      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.14'
-      run: |
-        uv build --sdist
-    - name: Upload sdist
-      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.14'
-      uses: actions/upload-artifact@v5
-      with:
-        name: dist-python-samplerate-ledfx
-        path: dist/*.tar.gz
-        if-no-files-found: error
-    - name: Build wheel for ${{ matrix.os }} Python ${{ matrix.python-version }}
-      run: |
-        uv build --wheel
-    - name: Test with pytest
-      run: |
-        uv run pytest
+      - uses: actions/checkout@v5
+        with:
+          submodules: recursive
 
-    - name: Upload wheel
-      uses: actions/upload-artifact@v5
-      with:
-        name: dist-python-samplerate-ledfx-${{ matrix.os }}-py${{ matrix.python-version }}
-        path: dist/*.whl
-        if-no-files-found: error
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v3.3.0
+        env:
+          CIBW_BUILD: cp39-* cp310-* cp311-* cp312-* cp313-* cp314-*
+          CIBW_SKIP: "*-musllinux_*"
+        with:
+          extras: uv
+
+      - uses: actions/upload-artifact@v5
+        with:
+          name: cibw-wheels-${{ matrix.os }}-${{ matrix.arch }}
+          path: ./wheelhouse/*.whl
+
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          submodules: recursive
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
+
+      - name: Build sdist
+        run: uv build --sdist
+
+      - uses: actions/upload-artifact@v5
+        with:
+          name: cibw-sdist
+          path: dist/*.tar.gz
+          if-no-files-found: error
 
   publish:
-    needs: build
+    needs: [build_wheels, build_sdist]
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
     runs-on: ubuntu-latest
     environment:
@@ -61,16 +80,18 @@ jobs:
     permissions:
       id-token: write # Required for trusted publishing
     steps:
-    - name: Install uv
-      uses: astral-sh/setup-uv@v7
-    - name: Download all artifacts
-      uses: actions/download-artifact@v5
-      with:
-        path: dist
-        pattern: dist-*
-        merge-multiple: true
-    - name: Display structure of downloaded files
-      run: ls -R dist
-    - name: Publish to PyPI
-      run: |
-        uv publish --trusted-publishing always
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
+
+      - name: Download all artifacts
+        uses: actions/download-artifact@v5
+        with:
+          path: dist
+          pattern: cibw-*
+          merge-multiple: true
+
+      - name: Display structure of downloaded files
+        run: ls -R dist
+
+      - name: Publish to PyPI
+        run: uv publish --trusted-publishing always

external/CMakeLists.txt

@@ -11,6 +11,7 @@ FetchContent_MakeAvailable(pybind11)
 
 # libsamplerate
 set(BUILD_TESTING OFF CACHE BOOL "Disable libsamplerate test build")
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 FetchContent_Declare(
   libsamplerate

pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
 ]
 
 [dependency-groups]
-dev = [
+test = [
   "pytest",
   "pytest-asyncio",
   "uvloop>=0.16.0; sys_platform != \"win32\"",
@@ -41,3 +41,11 @@ dev = [
 readme = {file = ["README.rst"]}
 
 [tool.setuptools_scm]
+
+[tool.cibuildwheel]
+test-groups = ["test"]
+test-command = "pytest {project}/tests"
+build-frontend = "build[uv]"
+build = ["cp38-*", "cp39-*", "cp310-*", "cp311-*", "cp312-*", "cp313-*","cp314-*"]
+# Skip 32-bit builds and musllinux wheels
+skip = ["*-win32", "*-manylinux_i686", "*-musllinux*"]