Make use of multi-python pixi

.github/workflows/ci.yml

@@ -8,6 +8,10 @@ on:
     branches:
     - main
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -18,32 +22,39 @@ jobs:
         uses: actions/setup-python@v2
       - name: Run pre-commit
         uses: pre-commit/[email protected]
-
   test:
-    runs-on: ubuntu-latest
+    name: ${{ matrix.pixi-environment }} - ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
-        python-version:
-          - "3.9"
-          - "3.10"
-          - "3.12"
+        os:
+          - ubuntu-latest
+          - macOS-latest
+          - windows-latest
+        pixi-environment:
+          - py312
+          - py311
+          - py310 
     steps:
       - name: Check out repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup Pixi
-        uses: prefix-dev/setup-pixi@v0.3.0
-      - name: Setup older Python versions
-        run: pixi add python=${{ matrix.python-version }} 
+        uses: prefix-dev/setup-pixi@v0.5.1
+        with:
+          manifest-path: pyproject.toml
       - name: Run Tests
-        run: pixi run test
+        run: pixi run --environment ${{ matrix.pixi-environment }} test
 
   build:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup Pixi
-        uses: prefix-dev/[email protected]
+        uses: prefix-dev/[email protected]
+        with:
+          manifest-path: pyproject.toml
       - name: Run Tests
         run: pixi run test
       - name: Publish Code Coverage

.github/workflows/dependabot.yml

@@ -0,0 +1,7 @@
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

.gitignore

@@ -96,7 +96,6 @@ venv/
 ENV/
 env.bak/
 venv.bak/
-.pixi/
 
 # Spyder project settings
 .spyderproject
@@ -116,3 +115,8 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+
+# pixi environments
+.pixi
+*.egg-info
+