Add workflow to publish to PyPI

Author: amercader

.github/workflows/publish-pypi.yml

@@ -0,0 +1,54 @@
+name: Publish to PyPI
+
+# Publish to PyPI when a tag is pushed
+on:
+  push:
+    tags:
+      - 'ckanapi-**'
+
+jobs:
+  build:
+    if: github.repository == 'ckan/ckanapi'
+    name: Build distribution
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.11"
+    - name: Install pypa/build
+      run: python3 -m pip install build --user
+    - name: Build a binary wheel and a source tarball
+      run: python3 -m build
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
+
+  publish-to-pypi:
+    name: Publish Python distribution on PyPI
+    needs:
+    - build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/ckanapi
+    permissions:
+      id-token: write
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
+    - name: Publish distribution to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+
+  publishSkipped:
+    if: github.repository != 'ckan/ckanapi'
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          echo "## Skipping PyPI publish on downstream repository" >> $GITHUB_STEP_SUMMARY