Add GitHub Actions workflow for auto versioning and release

Author: Relkci

.github/workflows/release-on-publish.yml

@@ -0,0 +1,92 @@
+name: Auto-bump version, release, and publish
+
+on:
+  push:
+    branches:
+      - Publish
+
+permissions:
+  contents: write
+
+jobs:
+  bump-release-publish:
+    name: Auto-bump version and publish
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install build twine toml
+
+      - name: Auto-increment version
+        id: bump
+        run: |
+          python - << 'PY'
+          import os
+          import toml
+          from pathlib import Path
+
+          path = Path("pyproject.toml")
+          data = toml.loads(path.read_text(encoding="utf-8"))
+
+          version = data["project"]["version"]
+
+          major, minor, patch = version.split(".")
+          patch = str(int(patch) + 1)
+          new_version = ".".join([major, minor, patch])
+
+          data["project"]["version"] = new_version
+          path.write_text(toml.dumps(data), encoding="utf-8")
+
+          print(f"Bumped version: {version} -> {new_version}")
+
+          # Export for later steps
+          github_output = os.environ["GITHUB_OUTPUT"]
+          with open(github_output, "a", encoding="utf-8") as f:
+              f.write(f"new_version={new_version}\n")
+          PY
+
+      - name: Commit updated version
+        run: |
+          git config user.name "github-actions"
+          git config user.email "[email protected]"
+          git add pyproject.toml
+
+          # avoid failure if nothing changed for some reason
+          if git diff --cached --quiet; then
+            echo "No version change to commit."
+          else
+            git commit -m "Auto-bump version to ${{ steps.bump.outputs.new_version }}"
+            git push
+          fi
+
+      - name: Build distributions
+        run: |
+          python -m build
+
+      - name: Publish to PyPI
+        env:
+          TWINE_USERNAME: "__token__"
+          TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
+        run: |
+          twine upload dist/*
+
+      - name: Create GitHub release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: v${{ steps.bump.outputs.new_version }}
+          name: GoEyeWitnessCategorizer v${{ steps.bump.outputs.new_version }}
+          generate_release_notes: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}