Add CI action to build python wheels for many platforms

.github/workflows/build-and-test.yml

@@ -132,7 +132,7 @@ jobs:
         path: ./target/lakers-c-*.zip
 
 
-  build-lakers-python:
+  test-lakers-python:
     needs: check-style
     runs-on: ubuntu-latest
 
@@ -143,22 +143,20 @@ jobs:
     - name: Checkout repo
       uses: actions/checkout@v3
 
-    - name: Build Python package
+    - name: set up python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+
+    - name: Test Python package
       run: |
         cd lakers-python
         python3 -m venv .venv
         source .venv/bin/activate
         pip install --upgrade pip
-        pip install -U pip maturin pytest
+        pip install -U maturin pytest
         pip freeze
         maturin develop && pytest
-        maturin build
-
-    - name: Upload artifact
-      uses: actions/upload-artifact@v3
-      with:
-        name: lakers-python
-        path: ./target/wheels/*.whl
 
 
   run-example-on-qemu:
@@ -247,11 +245,6 @@ jobs:
         with:
           name: lakers-c
           path: ./release-artifacts
-      - name: Download artifacts
-        uses: actions/download-artifact@v3
-        with:
-          name: lakers-python
-          path: ./release-artifacts
       - name: Release
         uses: ncipollo/release-action@v1
         with:

.github/workflows/python-wheels.yml

@@ -0,0 +1,89 @@
+name: Build Python wheels
+
+on:
+    push:
+      branches: [main]
+      tags: 'v*'
+    workflow_dispatch:
+
+jobs:
+  build-python-wheels:
+    name: Build wheels on ${{ matrix.os }} with Python ${{ matrix.python-version }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [
+            ubuntu-latest,
+            windows-latest,
+            macos-13, # latest non-beta version
+        ] # see https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners
+        python-version: [
+            '3.10',
+            '3.11',
+            '3.12',
+        ] # see https://devguide.python.org/versions/
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+            toolchain: stable
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+
+      - name: Install maturin
+        run: python -m pip install maturin
+
+      - name: Build source distribution # do this only once
+        run: |
+            cd lakers-python
+            maturin build --sdist --out wheelhouse
+        if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.11'
+
+      - name: Build wheels
+        run: |
+            cd lakers-python
+            maturin build --release --out wheelhouse
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: wheel-${{ matrix.os }}-python-${{ matrix.python-version }}
+          path: ./lakers-python/wheelhouse/lakers_python*
+
+  release:
+    runs-on: ubuntu-latest
+    needs: [build-python-wheels]
+    if: >-
+      github.event_name == 'push' &&
+      startsWith(github.event.ref, 'refs/tags')
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: set up python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+
+    - run: pip install -U twine
+
+    - name: get wheelhouse artifacts
+      uses: actions/download-artifact@v4
+      with:
+        path: wheelhouse
+
+    - run: ls -lah ./wheelhouse/*/lakers_python*
+    - run: twine check ./wheelhouse/*/lakers_python*
+
+    - name: upload to pypi
+      run: twine upload ./wheelhouse/*/lakers_python*
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.PYPI_UPLOAD_TOKEN }}