publish wheels to PyPI via CI

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest, windows-latest, macos-latest ]
-        python-version: ['2.7', '3.6', '3.9' ]
+        python-version: [ '2.7', '3.6', '3.9' ]
     steps:
       - uses: actions/checkout@v2
 

.github/workflows/publish.yml

@@ -0,0 +1,72 @@
+name: Publish
+on:
+  release:
+    types: [ published ]
+  workflow_dispatch:
+jobs:
+  build_sdist:
+    name: Build SDist
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade build twine
+
+      - name: Build SDist
+        run: python -m build --sdist
+
+      - name: Check metadata
+        run: python -m twine check dist/*
+
+      - uses: actions/upload-artifact@v2
+        with:
+          path: dist/*.tar.gz
+
+  build_wheels:
+    name: Wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: joerick/[email protected]
+        env:
+          CIBW_BEFORE_BUILD: pip install --prefer-binary --upgrade cmake numpy
+          CIBW_ARCHS_LINUX: x86_64
+          CIBW_ARCHS_WINDOWS: auto64
+          CIBW_ARCHS_MACOS: auto64
+          # Disable building PyPy wheels on all platforms
+          CIBW_SKIP: pp*
+
+      - name: Verify clean directory
+        run: git diff --exit-code
+        shell: bash
+
+      - name: Upload wheels
+        uses: actions/upload-artifact@v2
+        with:
+          path: wheelhouse/*.whl
+
+  upload_all:
+    name: Upload if release
+    needs: [ build_wheels, build_sdist ]
+    runs-on: ubuntu-latest
+    if: github.event_name == 'release' && github.event.action == 'published'
+    steps:
+      - uses: actions/setup-python@v2
+
+      - uses: actions/download-artifact@v2
+        with:
+          name: artifact
+          path: dist
+
+      - uses: pypa/[email protected]
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}