Switch from nox to uv for development and CI

.github/workflows/tests.yml

@@ -15,59 +15,55 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.10", "3.11", "3.12"]
-        nox-session: ["tests"]
-        include:
-          - os: ubuntu-latest
-            python-version: "3.10"
-            nox-session: "lint"
+        python-version: ["3.12", "3.14"]
 
     steps:
       - name: Checkout
         uses: actions/checkout@v6
         with:
           submodules: true
           fetch-depth: 0
-      - name: Configure Python
-        uses: actions/setup-python@v6
+      - name: Install uv
+        uses: astral-sh/setup-uv@d31148d669074a8d0a63714ba94f3201e7020bc3 # v8.3.0
         with:
           python-version: ${{ matrix.python-version }}
+          enable-cache: true
+      - name: Run tests
+        run: uv run pytest -v tests
+      - name: Upload generated images on failure
+        uses: actions/upload-artifact@v7
+        if: ${{ failure() }}
+        with:
+          name: images-${{ matrix.os }}-${{ matrix.python-version }}
+          path: ./result_images
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+      - name: Install uv
+        uses: astral-sh/setup-uv@d31148d669074a8d0a63714ba94f3201e7020bc3 # v8.3.0
       - name: Cache pre-commit environments
-        if: ${{ matrix.nox-session == 'lint' }}
         uses: actions/cache@v5
         with:
           path: ~/.cache/pre-commit
           key: ${{ runner.os }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
           restore-keys: |
             ${{ runner.os }}-pre-commit-
-      - name: Install nox
-        run: |
-          python -m pip install -U pip
-          python -m pip install -U nox
-      - name: Run tests
-        run: python -m nox --non-interactive -s ${{ matrix.nox-session }}
-      - name: Upload generated images on failure
-        uses: actions/upload-artifact@v7
-        if: ${{ failure() && matrix.nox-session == 'tests' }}
-        with:
-          name: images-${{ matrix.os }}-${{ matrix.python-version }}
-          path: ./result_images
+      - name: Run pre-commit
+        run: uvx pre-commit run --all-files
 
   build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v6
-        name: Install Python
-        with:
-          python-version: "3.10"
+      - name: Install uv
+        uses: astral-sh/setup-uv@d31148d669074a8d0a63714ba94f3201e7020bc3 # v8.3.0
       - name: Build sdist and wheel
-        run: |
-          python -m pip install -U pip
-          python -m pip install -U build
-          python -m build .
+        run: uv build
       - uses: actions/upload-artifact@v7
         with:
           path: dist/*

.gitignore

@@ -6,7 +6,8 @@ _skbuild
 *.so
 .mypy_cache
 .tox
-.nox
+.venv
+uv.lock
 .coverage
 .coverage*
 dist

CONTRIBUTING.md

@@ -38,8 +38,13 @@ TODO
 ## How to test the project
 
 ```bash
-python -m pip install nox
-python -m nox
+uv run pytest -v tests
+```
+
+You can also run the linters with:
+
+```bash
+uvx pre-commit run --all-files
 ```
 
 ## How to submit changes

docs/install.rst

@@ -50,9 +50,7 @@ source directory, run:
 
 .. code-block:: bash
 
-    python -m pip install nox
-    python -m nox -s tests-PYTHON_VERSION
+    uv run pytest -v tests
 
-Where ``PYTHON_VERSION`` is the version of Python you're using (e.g.
-``3.10``) This might take a few minutes but you shouldn't get any errors
-if all went as planned.
+This might take a few minutes but you shouldn't get any errors if all went as
+planned.

pyproject.toml

@@ -24,6 +24,10 @@ test = ["pytest", "arviz>=0.9", "arviz-base", "scipy"]
 arviz = ["arviz>=0.9", "arviz-base"]
 docs = ["arviz>=0.9", "arviz-base", "sphinx>=1.7.5", "pandoc", "myst-nb", "sphinx-book-theme", "ipython"]
 
+# Installed by default with `uv run`/`uv sync`, so `uv run pytest` just works.
+[dependency-groups]
+dev = ["pytest", "arviz>=0.9", "arviz-base", "scipy"]
+
 [build-system]
 requires = ["hatchling", "hatch-vcs"]
 build-backend = "hatchling.build"