[1.3] add deployment action (py2/py3)

.github/workflows/deployment.yml

@@ -0,0 +1,51 @@
+name: Deployment
+
+on:
+  push:
+    tags:
+      - v1r[0-9]+
+  pull_request:
+
+jobs:
+  deploy-pypi:
+    name: PyPI deployment
+    runs-on: "ubuntu-latest"
+    if: github.event_name != 'push' || github.repository == 'DIRACGrid/COMDIRAC'
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.9"
+      - name: Install dependencies
+        run: pip install build readme_renderer diraccfg
+      - name: Validate README for PyPI
+        run: python -m readme_renderer README.* -o /tmp/README.html
+      - name: Make PEP-440 style release on GitHub
+        id: PEP-440
+        if: github.event_name == 'push'
+        run: |
+          TAG_NAME=${GITHUB_REF##*/}
+          NEW_STYLE=$(python -c "import diraccfg; major, minor, patch, pre = diraccfg.parseVersion('${TAG_NAME}'); print(f'{major}.{minor}.{patch}', f'a{pre}' if pre else '', sep='')")
+          echo "Converted ${TAG_NAME} version to ${NEW_STYLE}"
+          echo ::set-output name=tag_name::"v$NEW_STYLE"
+          echo ::set-output name=target_commitish::"$(git rev-parse HEAD)"
+      - name: Publish ${{ steps.PEP-440.outputs.tag_name }} release to GitHub
+        if: github.event_name == 'push'
+        uses: softprops/action-gh-release@v1
+        with:
+          target_commitish: ${{ steps.PEP-440.outputs.target_commitish }}
+          body_path: release.notes
+          tag_name: ${{ steps.PEP-440.outputs.tag_name }}
+      - name: Get ${{ steps.PEP-440.outputs.tag_name }} tag
+        if: github.event_name == 'push'
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ steps.PEP-440.outputs.tag_name }}
+      - name: Build distributions
+        run: python -m build
+      - name: Publish package on PyPI
+        if: github.event_name == 'push'
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}