Configure GitHub actions for build and deploy to PyPI

Author: nicoddemus

.github/workflows/main.yml

@@ -1,33 +1,54 @@
 name: build
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   build:
 
     runs-on: ubuntu-latest
+
     strategy:
+      fail-fast: false
       matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
-
+        python: ["2.7", "3.5", "3.6", "3.7", "3.8"]
+        
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
+    - uses: actions/checkout@v1
+    - name: Set up Python
       uses: actions/setup-python@v1
       with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
+        python-version: ${{ matrix.python }}
+    - name: Install tox
       run: |
         python -m pip install --upgrade pip
-        pip install -r requirements.txt
-    - name: Lint with flake8
+        pip install tox
+    - name: Test
       run: |
-        pip install flake8
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Test with pytest
+        tox -e py
+  
+  deploy:
+
+    if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
+
+    runs-on: ubuntu-latest
+
+    needs: build
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python
+      uses: actions/setup-python@v1
+      with:
+        python-version: "3.7"
+    - name: Install wheel
       run: |
-        pip install pytest
-        pytest
+        python -m pip install --upgrade pip
+        pip install --upgrade wheel setuptools
+    - name: Build package
+      run: |
+        python setup.py sdist bdist_wheel
+    - name: Publish package to PyPI
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        user: __token__
+        password: ${{ secrets.pypi_token }}