Enable publishing to pypi

Author: rwb27

.github/workflows/publish.yml

@@ -0,0 +1,77 @@
+name: Publish to PyPI
+
+on: push
+
+#on:
+#    release:
+#      types: [published]
+
+jobs:
+    build:
+        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.x"
+        - 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-testpypi:
+      name: Publish Python 🐍 distribution 📦 to TestPyPI
+      needs:
+      - build
+      runs-on: ubuntu-latest
+  
+      environment:
+        name: testpypi
+        url: https://test.pypi.org/p/labthings-picamera2
+  
+      permissions:
+        id-token: write  # IMPORTANT: mandatory for trusted publishing
+  
+      steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+      - name: Publish distribution 📦 to TestPyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          repository-url: https://test.pypi.org/legacy/
+
+    publish-to-pypi:
+        name: >-
+            Publish Python 🐍 distribution 📦 to PyPI
+        if: startsWith(github.ref, 'refs/tags/v')  # only publish to PyPI on tag pushes
+        needs:
+        - build
+        runs-on: ubuntu-latest
+        environment:
+            name: pypi
+            url: https://pypi.org/p/labthings-picamera2
+        permissions:
+            id-token: write  # IMPORTANT: mandatory for trusted publishing
+        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