Merge pull request #256 from LSSTDESC/issue/255/pypi_gh_action

Add example PyPI upload example

.github/workflows/pypi.yaml

@@ -0,0 +1,27 @@
+# Setting up github action for pypi
+
+name: Upload Python Package
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-20.04
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel twine
+    - name: Build and publish
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.TESTPYPI_API_TOKEN }}
+      run: |
+        python setup.py sdist bdist_wheel
+        twine upload --repository testpypi dist/*
+