ci: add workflow to publish to PyPI (not used yet)

.github/workflows/pypi-publish.yml

@@ -0,0 +1,48 @@
+# This workflow will upload a Python Package using Twine when a release is created
+# For more information see: https://help.github.com/en/actions/language-and-framework-guides/using-python-with-github-actions#publishing-to-package-registries
+
+
+name: Upload Python Package to PyPi
+
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  build-n-publish:
+    name: Build and publish Python Package to PyPI
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: get latest release with tag
+      id: latestrelease
+      run: |
+        echo "::set-output name=releasetag::$(curl -s https://api.github.com/repos/dylanljones/cmpy/releases/latest --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' | jq '.tag_name' | sed 's/\"//g')"
+
+    - name: confirm release tag
+      run: |
+        echo ${{ steps.latestrelease.outputs.releasetag }}
+
+    - name: checkout
+      uses: actions/checkout@v2
+      with:
+        ref: ${{ steps.latestrelease.outputs.releasetag }}
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: "3.10"
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install twine
+        pip install .[build]
+
+    - name: Build and publish distribution 📦 to PyPI
+      env:
+        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
+        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+      run: |
+        python setup.py sdist bdist_wheel
+        twine upload --repository testpypi dist/*