Also build wheels with cibuildwheel

.github/workflows/publish-twine.yaml

@@ -2,10 +2,38 @@ name: Upload Python Package
 
 on:
   release:
-    types: [created]
+    types: [published]
 
 jobs:
-  deploy:
+  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@v2
+      - uses: actions/setup-python@v2
+        name: Install Python
+        with:
+          python-version: '3.x'
+
+      - name: Install cibuildwheel
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install cibuildwheel
+      - name: Build wheels
+        run: |
+          python -m cibuildwheel --output-dir dist
+        env:
+          CIBW_BUILD: "cp36-* cp37-* cp38-* cp39-*"
+      - uses: actions/upload-artifact@v2
+        with:
+          path: dist/*.whl
+
+  build_sdist:
+    name: Build sdist
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
@@ -16,11 +44,25 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install setuptools "cython >= 0.28" twine
+        pip install setuptools "cython >= 0.28"
-    - name: Build and publish
+    - name: Build sdist
-      env:
-        TWINE_USERNAME: __token__
-        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
       run: |
         python setup.py sdist
-        twine upload dist/*
+    - uses: actions/upload-artifact@v2
+      with:
+        path: dist/*
+
+  publish:
+    name: Publish to PyPI
+    needs: [build_wheels, build_sdist]
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/download-artifact@v2
+      with:
+        name: artifact
+        path: dist
+    - name: Publish to PyPI
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        user: __token__
+        password: ${{ secrets.PYPI_PASSWORD }}

pyproject.toml

@@ -1,3 +1,9 @@
+[build-system]
+requires = [
+  "setuptools",
+  "Cython",
+]
+
 [tool.black]
 target_version = ["py36"]
 include = '\.pyi?$'