build pypi wheel (#47)

.github/workflows/pypi.yml

@@ -0,0 +1,57 @@
+name: pypi
+#on: [push, pull_request]
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: setup-qemu
+        if: matrix.os == 'ubuntu-latest'
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: all
+
+      - name: cibuildwheel
+        uses: pypa/cibuildwheel@v2.16.5
+        env:
+          CIBW_ARCHS_LINUX: "x86_64 i686 aarch64 ppc64le s390x"
+          CIBW_ARCHS_MACOS: "x86_64 arm64 universal2"
+          CIBW_ARCHS_WINDOWS: "AMD64 x86 ARM64"
+          CIBW_BUILD: "cp311*"
+          CIBW_BUILD_VERBOSITY: 1
+        with:
+          output-dir: wheelhouse
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: wheels-${{ matrix.os }}
+          path: ./wheelhouse/*.whl
+
+  upload_all:
+    permissions:
+      contents: none
+    name: Upload
+    needs: [build_wheels]
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/download-artifact@v4
+      with:
+        path: dist
+        merge-multiple: true
+
+    - uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        user: __token__
+        password: ${{ secrets.PYPI_API_TOKEN }}

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools", "cython"]
+requires = ["setuptools", "cython", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]

setup.py

@@ -2,6 +2,17 @@
 # -*- coding: utf-8 -*-
 
 from setuptools import setup, find_packages, Extension
+from wheel.bdist_wheel import bdist_wheel
+
+class bdist_wheel_abi3(bdist_wheel):
+    def get_tag(self):
+        python, abi, plat = super().get_tag()
+
+        if python.startswith("cp"):
+            # on CPython, our wheels are abi3 and compatible back to 3.6
+            return "cp36", "abi3", plat
+
+        return python, abi, plat
 
 ext = Extension(
     name                = 'ruapu',
@@ -10,9 +21,11 @@ ext = Extension(
 )
 
 setup_args = dict(
+    name            = 'ruapu',
     packages        = find_packages(where="."),
     package_dir     = {"": "."},
     ext_modules     = [ext],
+    cmdclass        = {"bdist_wheel": bdist_wheel_abi3},
 )
 
 setup(**setup_args)