.github/workflows/cibuildwheel.yml: Update (#180)

* setup.py: Set python_requires="<3.12"
* pyproject.toml: Avoid oldest-supported-numpy on PyPy
* pyproject.toml (tool.cibuildwheel): Skip PyPy >= 3.10
* pyproject.toml (tool.cibuildwheel): Skip PyPy i686
* .github/workflows/cibuildwheel.yml: Use a separate matrix job for i686

.github/workflows/cibuildwheel.yml

@@ -13,18 +13,26 @@ on:
 
 jobs:
   build_wheels:
-    name: Build wheels on ${{ matrix.os }}
+    name: Build wheels on ${{ matrix.os }}, arch ${{ matrix.arch }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macos-12]
+        include:
+          - os: ubuntu-latest
+            arch: x86_64
+          - os: ubuntu-latest
+            arch: i686
+          - os: macos-latest
+            arch: auto
+    env:
+      CIBW_ARCHS: ${{ matrix.arch }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.12.2
+        uses: pypa/cibuildwheel@v2.16.2
 
       - uses: actions/upload-artifact@v3
         with:
@@ -34,7 +42,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Build sdist
         run: pipx run build --sdist

pyproject.toml

@@ -4,7 +4,9 @@ requires = [
   'wheel',
   'Cython < 3',
   # https://numpy.org/devdocs/user/depending_on_numpy.html#build-time-dependency
-  'oldest-supported-numpy'
+  # from https://github.com/scipy/oldest-supported-numpy/pull/78#issuecomment-1747936818:
+  "oldest-supported-numpy; platform_python_implementation != 'PyPy'",
+  "numpy; platform_python_implementation=='PyPy'"
 ]
 build-backend = "setuptools.build_meta"
 
@@ -19,4 +21,4 @@ before-all = """
   ./coinbrew build Cbc@2.10.10 --no-third-party --parallel-jobs 16 --prefix=$(pwd)/local --verbosity 4 || echo ignoring errors
 """
 environment = { PATH="$(pwd)/local/bin:$PATH", LD_LIBRARY_PATH="$(pwd)/local/lib:$LD_LIBRARY_PATH", PKG_CONFIG_PATH="$(pwd)/local/lib/pkgconfig:$PKG_CONFIG_PATH" }
-skip = ["pp*-macosx*", "*-musllinux*"]
+skip = ["pp*-macosx*", "*-musllinux*", "pp31*-*", "pp*-*i686"]

setup.py

@@ -425,5 +425,6 @@ def getBdistFriendlyString(s):
       cmdclass={'build_ext': build_ext},
       ext_modules=ext_modules,
       install_requires=['numpy >= 1.5.0', 'scipy >= 0.10.0'],
+      python_requires="<3.12",
       zip_safe = False,
       package_data={"cylp": extra_files})