ci: build and publish to PyPI (#4)

Author: hknutsen

.github/workflows/publish.yml

@@ -0,0 +1,62 @@
+name: Build & Publish
+
+on:
+  pull_request:
+    branches: [main]
+
+  release:
+    types: [published]
+
+permissions: {}
+
+jobs:
+  python-build:
+    name: Python Build
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read # Required to checkout the repository.
+    steps:
+      - name: Checkout
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        with:
+          persist-credentials: false
+
+      - name: Setup Python
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c
+        with:
+          python-version-file: .python-version
+
+      - name: Install dependecies
+        run: python -m pip install --upgrade pip build
+
+      - name: Generate distributions
+        run: python -m build
+
+      - name: Upload artifact
+        id: upload-artifact
+        if: github.event_name == 'release' && github.event.action == 'published'
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        with:
+          name: python-package-dist
+          path: dist
+
+    outputs:
+      artifact-uploaded: ${{ steps.upload-artifact.outcome == 'success' }}
+
+  pypi-publish:
+    name: PyPI Publish
+    needs: python-build
+    if: needs.python-build.outputs.artifact-uploaded == 'true'
+    runs-on: ubuntu-latest
+    environment: pypi
+    permissions:
+      id-token: write # Required for PyPI Trusted Publishing.
+    steps:
+      - name: Download artifact
+        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0
+        with:
+          name: python-package-dist
+          path: dist
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e