Use github action to push a release to PyPI (#163)

.github/workflows/release.yaml

@@ -0,0 +1,78 @@
+name: Create Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    name: Build Release Objects
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-python@v2
+        with:
+          python-version: '3.x'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel reno
+
+      - name: Build and publish
+        run: |
+          python setup.py sdist bdist_wheel
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: dist
+          path: dist
+          if-no-files-found: error
+
+  pypi:
+    name: Create Github Release
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Get artifacts
+        uses: actions/download-artifact@v2
+        with:
+          name: dist
+          path: dist
+
+      - name: Create Release
+        id: create_release
+        uses: softprops/action-gh-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          # name: ${{ github.ref }}
+          # prerelease: true
+          # draft: true
+          files: |
+            dist/*
+
+  release:
+    name: Push to PyPI
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Get artifacts
+        uses: actions/download-artifact@v2
+        with:
+          name: dist
+          path: dist
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          packages_dir: dist/
+          password: ${{ secrets.PYPI_TOKEN }}
+          # password: ${{ secrets.TEST_PYPI_TOKEN }}
+          # repository_url: https://test.pypi.org/legacy/