[PAN-1850] Publish to PyPI (#22)

* feature: Publish to PyPI

.github/workflows/release.yaml

@@ -1,5 +1,5 @@
 name: Release Workflow
-run-name: ${{ (github.event.release.prerelease && 'Beta') || 'Prod'}} Release for ${{ github.repository }} - ${{ github.event.release.tag_name }}
+run-name: ${{ (github.event.release.prerelease && 'Pre-') || ''}}Release for ${{ github.repository }} - ${{ github.event.release.tag_name }}
 on:
   release:
     # Triggered on Pre-Releases and Releases
@@ -10,23 +10,84 @@ concurrency:
   group: deploy-${{ github.repository }}-release-${{ github.event.release.prerelease }}
 
 jobs:
+  define-environment:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.get-environment.outputs.version }}
+    steps:
+      - uses: step-security/harden-runner@v2
+        with:
+          disable-sudo: true
+          egress-policy: audit
+
+      - name: Configure Environment
+        id: get-environment
+        run: |
+          wget -O /usr/local/bin/semver https://raw.githubusercontent.com/fsaintjacques/semver-tool/master/src/semver
+          chmod +x /usr/local/bin/semver
+          if [[ $(semver validate ${{ github.event.release.tag_name }}) == "invalid" ]]; then
+            echo "::error title=Invalid Release::Release must be tagged with a valid SemVer version"
+            exit 1
+          fi
+          echo "version=$(semver get version ${{ github.event.release.tag_name }})" >> $GITHUB_OUTPUT
+
   build:
     name: Build Package
+    needs: define-environment
     runs-on: ubuntu-latest
     steps:
+      - uses: step-security/harden-runner@v2
+        with:
+          disable-sudo: true
+          egress-policy: audit
+
       - uses: actions/checkout@v4
 
       - uses: pantos-io/ci-workflows/.github/actions/install-poetry@v1
 
       - name: Build package
-        run: make wheel
+        run: |
+          make check-version VERSION=${{ needs.define-environment.outputs.version }}
+          make wheel
+
+      - name: Freeze dependencies
+        run: |
+          poetry self add poetry-plugin-freeze
+          poetry freeze-wheel
 
       - name: Upload build artifact
         uses: actions/upload-artifact@v4
         with:
           name: common
           path: dist
 
+  publish-pypi:
+    name: Publish to PyPi
+    needs: [define-environment, build]
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/pantos-common/${{ needs.define-environment.outputs.version }}
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+    steps:
+      - uses: step-security/harden-runner@v2
+        with:
+          disable-sudo: true
+          egress-policy: audit
+
+      - name: Download build artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: common
+          path: dist
+
+      - name: Publish package distributions to PyPi
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          print-hash: true
+          repository-url: 'https://upload.pypi.org/legacy/'
+
   add-assets:
     name: Add Assets to the ${{ github.event.release.tag_name }} Release
     needs: build
@@ -35,6 +96,11 @@ jobs:
       contents: write
       id-token: write
     steps:
+      - uses: step-security/harden-runner@v2
+        with:
+          disable-sudo: true
+          egress-policy: audit
+
       - uses: actions/download-artifact@v4
         with:
           name: common

.gitignore

@@ -9,3 +9,4 @@ dist/
 find.sh
 local/
 .coverage
+requirements.txt

Makefile

@@ -1,5 +1,19 @@
 PYTHON_FILES := pantos/common scripts tests
 
+.PHONY: check-version
+check-version:
+	@if [ -z "$(VERSION)" ]; then \
+		echo "Error: VERSION is not set"; \
+		exit 1; \
+	fi
+	@VERSION_FROM_POETRY=$$(poetry version | awk '{print $$2}') ; \
+	if test "$$VERSION_FROM_POETRY" != "$(VERSION)"; then \
+		echo "Version mismatch: expected $(VERSION), got $$VERSION_FROM_POETRY" ; \
+		exit 1 ; \
+	else \
+		echo "Version check passed" ; \
+	fi
+
 .PHONY: wheel
 wheel:
 	poetry build -f wheel