chore: add cibuildwheel action (#50)

.github/workflows/wheels.yml

@@ -0,0 +1,60 @@
+name: Build
+
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install poetry
+        run: pipx install poetry
+      # Used to host cibuildwheel
+      - name: Set up Python
+        uses: actions/setup-python@v4
+
+      - name: Install cibuildwheel
+        run: python -m pip install cibuildwheel==2.10.2
+
+      - name: Build wheels
+        run: python -m cibuildwheel --output-dir wheelhouse
+        # to supply options, put them in 'env', like:
+        env:
+          CIBW_SKIP: cp36-*
+          CIBW_BEFORE_ALL_LINUX: apt-get install -y gcc || yum install -y gcc || apk add gcc
+          REQUIRE_CYTHON: 1
+
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./wheelhouse/*.whl
+
+  upload_pypi:
+    needs: [build_wheels]
+    runs-on: ubuntu-latest
+    environment: release
+
+    # alternatively, to publish when a GitHub Release is created, use the following rule:
+    if: github.event_name == 'release' && github.event.action == 'published'
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          # unpacks default artifact into dist/
+          # if `name: artifact` is omitted, the action will create extra parent dir
+          name: artifact
+          path: dist
+
+      - uses: pypa/[email protected]
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_TOKEN }}
+
+          # To test: repository_url: https://test.pypi.org/legacy/

build.py

@@ -16,7 +16,7 @@ def build_extensions(self):
 def build(setup_kwargs):
     if os.environ.get("SKIP_CYTHON", False):
         return
-    with contextlib.suppress(Exception):
+    try:
         from Cython.Build import cythonize
 
         setup_kwargs.update(
@@ -30,3 +30,7 @@ def build(setup_kwargs):
                 cmdclass=dict(build_ext=BuildExt),
             )
         )
+    except Exception:
+        if os.environ.get("REQUIRE_CYTHON"):
+            raise
+        pass