Add GitHub Actions workflow to publish releases to PyPI

.github/workflows/package.yml

@@ -0,0 +1,122 @@
+name: Package
+
+on:
+  - push
+  - pull_request
+
+jobs:
+
+  build-wheel:
+    runs-on: ubuntu-latest
+    name: Build wheel distribution
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: Setup Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Update build dependencies
+      run: python -m pip install -U pip wheel setuptools
+    - name: Build wheel distribution
+      run: python setup.py bdist_wheel
+    - name: Store built wheel
+      uses: actions/upload-artifact@v2
+      with:
+        name: dist
+        path: dist/*
+
+  build-sdist:
+    runs-on: ubuntu-latest
+    name: Build source distribution
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.9
+    - name: Update build dependencies
+      run: python -m pip install -U pip wheel setuptools
+    - name: Build source distribution
+      run: python setup.py sdist
+    - name: Store source distribution
+      uses: actions/upload-artifact@v2
+      with:
+        name: dist
+        path: dist/*
+
+  test-sdist:
+    runs-on: ubuntu-latest
+    name: Test source distribution
+    needs:
+      - build-sdist
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: Download source distribution
+      uses: actions/download-artifact@v2
+      with:
+          name: dist
+          path: dist
+    - name: Install source distribution
+      run: python -m pip install dist/fs-*.tar.gz
+    - name: Remove source code
+      run: rm -rvd fs
+    - name: Install test requirements
+      run: python -m pip install -r tests/requirements.txt
+    - name: Test installed package
+      run: python -m unittest discover -vv
+
+  test-wheel:
+    runs-on: ubuntu-latest
+    name: Test wheel distribution
+    needs:
+      - build-wheel
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: Download source distribution
+      uses: actions/download-artifact@v2
+      with:
+          name: dist
+          path: dist
+    - name: Install source distribution
+      run: python -m pip install dist/fs-*.whl
+    - name: Remove source code
+      run: rm -rvd fs
+    - name: Install test requirements
+      run: python -m pip install -r tests/requirements.txt
+    - name: Test installed package
+      run: python -m unittest discover -vv
+
+  upload:
+    environment: PyPI
+    runs-on: ubuntu-latest
+    name: Upload
+    needs:
+    - build-sdist
+    - build-wheel
+    - test-sdist
+    - test-wheel
+    steps:
+    - name: Download built distributions
+      uses: actions/download-artifact@v2
+      with:
+          name: dist
+          path: dist
+    - name: Publish distributions to PyPI
+      if: startsWith(github.ref, 'refs/tags/v')
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        user: __token__
+        password: ${{ secrets.PYPI_API_TOKEN }}
+        skip_existing: false