ci: github actions.

.github/workflows/python-checks.yml

@@ -0,0 +1,30 @@
+name: Check back-end
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.7]
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip poetry
+        poetry install
+        yarn
+    - name: Lint with flake8, eslint, etc.
+      run: |
+        poetry run flake8 abilian
+        poetry run rst-lint *.rst
+        poetry run sphinx-build -W -b dummy docs/ docs/_build/
+        # poetry run bandit -s B101 `find abilian -name '*.py' | grep -v test`

.github/workflows/python-tests.yml

@@ -0,0 +1,27 @@
+name: Check back-end
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip poetry
+        poetry install
+        yarn
+    - name: Test with pytest
+      run: |
+        poetry run pytest