Add Github Actions

Signed-off-by: Bernát Gábor <[email protected]>

Author: gaborbernat

.github/workflows/check.yml

@@ -0,0 +1,94 @@
+name: check
+on:
+  push:
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - uses: pre-commit/[email protected]
+
+  test:
+    name: ${{ matrix.py }}
+    runs-on: Ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        py:
+          - 3.9
+          - 3.8
+          - 3.7
+          - 3.6
+          - pypy3
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: setup python for tox
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+      - name: install tox
+        run: python -m pip install tox
+      - name: setup python for test ${{ matrix.py }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.py }}
+      - name: Pick environment to run
+        run: |
+          import platform; import os; import sys; import codecs
+          cpy = platform.python_implementation() == "CPython"
+          base =("{}{}{}" if cpy else "{}{}").format("py" if cpy else "pypy", *sys.version_info[0:2])
+          env = "TOXENV={}\n".format(base)
+          print("Picked:\n{}for{}".format(env, sys.version))
+          with codecs.open(os.environ["GITHUB_ENV"], "a", "utf-8") as file_handler:
+               file_handler.write(env)
+        shell: python
+      - name: setup test suite for ${{ matrix.py }}
+        run: tox -vv --notest
+      - name: run test suite for ${{ matrix.py }}
+        run: tox --skip-pkg-install
+
+  check:
+    name: check ${{ matrix.tox_env }}
+    runs-on: Ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        tox_env:
+          - pkg_desc
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: setup Python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+      - name: install tox
+        run: python -m pip install tox
+      - name: run check for ${{ matrix.tox_env }}
+        run: python -m tox -e ${{ matrix.tox_env }}
+
+  publish:
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+    needs: [ check, test, lint ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: setup python to build package
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+      - name: install build
+        run: python -m pip install build
+      - uses: actions/checkout@v2
+      - name: build package
+        run: python -m build --sdist --wheel . -o dist
+      - name: publish to PyPi
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          skip_existing: true
+          user: __token__
+          password: ${{ secrets.pypi_password }}