add workflow to publish to PyPI

Author: wnienhaus

.github/workflows/publish.yml

@@ -0,0 +1,42 @@
+name: Publish Python Package
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+jobs:
+  #test:  ## dont publish without passing test
+  publish:
+    runs-on: ubuntu-latest
+    #needs: [test]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.9'
+    - uses: actions/cache@v2
+      name: Configure pip caching
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-publish-pip-${{ hashFiles('**/setup.py') }}
+        restore-keys: |
+          ${{ runner.os }}-publish-pip-
+    - name: Build package
+      env:
+        VERSION: ${{ github.event.release.tag_name }}
+      run: |
+        pip install setuptools
+        python setup.py sdist
+        rm dist/*.orig  #clean sdist_upip noise
+    - name: Publish to Test PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        password: ${{ secrets.TEST_PYPI_API_TOKEN }}
+        repository_url: https://test.pypi.org/legacy/
+    - name: Publish to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      if: github.event.release.tag_name
+      with:
+        password: ${{ secrets.PYPI_API_TOKEN }}