prepare new release workflow

.github/dependabot.yml

@@ -2,12 +2,15 @@
 # package ecosystems to update and where the package manifests are located.
 # Please see the documentation for all configuration options:
 # https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# also see
+# https://docs.github.com/en/code-security/supply-chain-security/keeping-your-dependencies-updated-automatically/configuration-options-for-dependency-updates
 
 version: 2
 updates:
-  # Maintain dependencies for GitHub Actions
+  # Workflow files in .github/workflows will be checked
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       # Check for updates to GitHub Actions every week
       interval: "weekly"
+

.github/workflows/release-package.yaml → .github/workflows/release.yaml

@@ -1,12 +1,14 @@
-name: Publish package to pypi
+name: Release
 
 on:
-  push:
-    branches: [main]
-    paths:
-      - "src/coastpy/**"
+  release:
+    types:
+      - created
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
@@ -16,21 +18,29 @@ defaults:
     shell: bash -l {0}
 
 jobs:
-  build_and_publish:
+  check-package:
+    name: Build & inspect our package.
     runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v4
-
-      - name: Set up Micromamba
-        uses: mamba-org/setup-micromamba@v1
         with:
-          environment-file: ci/envs/312-release-package.yaml
+          fetch-depth: 0
+      - uses: hynek/build-and-inspect-python-package@v2
+
+  release-pypi:
+    permissions:
+      id-token: write
+      contents: read
+    name: Publish released package to pypi.org
+    runs-on: ubuntu-latest
+    needs: check-package
 
-      # NOTE: 'poetry install' because we assume all packages are available in the release env
-      - name: Build package
-        run: |
-          poetry build
+    steps:
+      - name: Download packages built by build-and-inspect-python-package
+        uses: actions/download-artifact@v4
+        with:
+          name: Packages
+          path: dist
 
       - name: Publish package distributions to TestPyPI
         uses: pypa/gh-action-pypi-publish@release/v1
@@ -39,9 +49,8 @@ jobs:
           password: ${{ secrets.TEST_PYPI_API_TOKEN }}
           repository-url: https://test.pypi.org/legacy/
 
-      # Publish to PyPI
       - name: Publish package distributions to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__
-          password: ${{ secrets.PYPI_API_TOKEN }}
+          password: ${{ secrets.PYPI_TOKEN }}

pyproject.toml

@@ -80,7 +80,7 @@ Homepage = "https://github.com/florisCalkoen/coastpy"
 source = "vcs"
 
 [tool.hatch.build.hooks.vcs]
-version-file = "src/coastpy/_version.py"
+version-file = "src/coastpy/__init__.py"
 
 [tool.ruff]
 line-length = 88