- require cython for install

- handle memory error
- remove now invalid comment

.github/workflows/pythonpackage.yml

@@ -0,0 +1,110 @@
+name: Python package
+
+on:
+  push:
+  pull_request:
+  release:
+    types:
+      - published
+
+jobs:
+  test:
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9]
+        exclude:
+          - os: windows-latest
+            python-version: 2.7
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install setuptools wheel cython
+    - name: Build
+      run: |
+        python setup.py build_ext --inplace
+    - name: Run tests
+      run: |
+        python test.py
+
+  build-wheels:
+    #if: github.event_name == 'release' && github.event.action == 'published'
+    needs: test
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - name: Install dependencies
+      run: |
+        python -m pip install setuptools wheel cython cibuildwheel
+    - name: Build wheels
+      run: |
+        python -m cibuildwheel --output-dir wheelhouse
+      env:
+        CIBW_SKIP: cp27-win*
+    - uses: actions/upload-artifact@v2
+      with:
+        path: ./wheelhouse/*.whl
+
+  build-sdist:
+    #if: github.event_name == 'release' && github.event.action == 'published'
+    needs: test
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - name: Install dependencies
+      run: |
+        python -m pip install setuptools cython
+    - name: Build dists
+      run: |
+        python setup.py sdist
+    - uses: actions/upload-artifact@v2
+      with:
+        path: dist/*.tar.gz
+
+  upload-pypi:
+    # upload to PyPI on every tag starting with 'v'
+    # if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
+    # alternatively, to publish when a GitHub Release is created, use the following rule:
+    if: github.event_name == 'release' && github.event.action == 'published'
+    needs: [build-wheels, build-sdist]
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: artifact
+          path: dist
+
+      - uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.pypi_password }}

.gitignore

@@ -8,3 +8,6 @@ __pycache__/
 build/
 dist/
 *.egg-info/
+
+# cythonized files
+*.cpp