ci: use nox-uv

.github/workflows/ci.yml

@@ -26,14 +26,10 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Install uv
         uses: astral-sh/setup-uv@85856786d1ce8acfbcc2f13a5f3fbd6b938f9f41 # v6
-      - name: Install the project
-        run: uv sync --locked --group test
-
-      - uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
-        with:
-          extra_args: --hook-stage manual --all-files
-      - name: Run PyLint
-        run: uv run --frozen nox -s pylint -- --output-format=github
+      - name: Install
+        run: uv sync --locked --group lint
+      - name: Lint
+        run: uv run --frozen nox -s lint
 
   checks:
     name: Check Python ${{ matrix.python-version }} on ${{ matrix.runs-on }}
@@ -51,8 +47,7 @@ jobs:
         uses: astral-sh/setup-uv@85856786d1ce8acfbcc2f13a5f3fbd6b938f9f41 # v6
       - name: Install the project
         run: uv sync --locked --group test
-
-      - name: Test package
+      - name: Test
         run: >-
           uv run --frozen pytest --cov --cov-report=xml --cov-report=term
           --durations=20

noxfile.py

@@ -1,52 +1,65 @@
-"""Nox configuration."""
+"""Nox setup."""
 
 import shutil
 from pathlib import Path
 
 import nox
-
-DIR = Path(__file__).parent.resolve()
+from nox_uv import session
 
 nox.needs_version = ">=2024.3.2"
-nox.options.sessions = ["lint", "pylint", "tests"]
 nox.options.default_venv_backend = "uv"
 
+DIR = Path(__file__).parent.resolve()
+
+# =============================================================================
+# Linting
 
-@nox.session
-def lint(session: nox.Session) -> None:
+
+@session(uv_groups=["lint"], reuse_venv=True)
+def lint(s: nox.Session, /) -> None:
     """Run the linter."""
-    session.install("pre-commit")
-    session.run(
-        "pre-commit",
-        "run",
-        "--all-files",
-        "--show-diff-on-failure",
-        *session.posargs,
-    )
-
-
-@nox.session
-def pylint(session: nox.Session) -> None:
+    precommit(s)  # reuse pre-commit session
+    pylint(s)  # reuse pylint session
+
+
+@session(uv_groups=["lint"], reuse_venv=True)
+def precommit(s: nox.Session, /) -> None:
+    """Run pre-commit."""
+    s.run("pre-commit", "run", "--all-files", *s.posargs)
+
+
+@session(uv_groups=["lint"], reuse_venv=True)
+def pylint(s: nox.Session, /) -> None:
     """Run PyLint."""
-    # This needs to be installed into the package environment, and is slower
-    # than a pre-commit check
-    session.install(".", "pylint>=3.2")
-    session.run("pylint", "is_annotated", *session.posargs)
+    s.install(".", "pylint>=3.2")
+    s.run("pylint", "is_annotated", *s.posargs)
+
+
+@session(uv_groups=["lint"], reuse_venv=True)
+def mypy(s: nox.Session, /) -> None:
+    """Run mypy."""
+    s.run("mypy", "src/is_annotated", *s.posargs)
+
 
+# =============================================================================
+# Testing
 
-@nox.session
-def tests(session: nox.Session) -> None:
+
+@session(uv_groups=["test"], reuse_venv=True)
+def pytest(s: nox.Session, /) -> None:
     """Run the unit and regular tests."""
-    session.install(".[test]")
-    session.run("pytest", *session.posargs)
+    s.run("pytest", *s.posargs)
+
+
+# =============================================================================
+# Build
 
 
-@nox.session
-def build(session: nox.Session) -> None:
+@session(uv_groups=["build"])
+def build(s: nox.Session, /) -> None:
     """Build an SDist and wheel."""
     build_path = DIR.joinpath("build")
     if build_path.exists():
         shutil.rmtree(build_path)
 
-    session.install("build")
-    session.run("python", "-m", "build")
+    s.run("python", "-m", "build")

pyproject.toml

@@ -40,6 +40,12 @@
     "uv>=0.6.4",
     { include-group = "test" },
   ]
+lint = [
+    "pylint>=3.3.9",
+]
+nox = [
+    "nox-uv>=0.6.3",
+]
   test = [
     "optional_dependencies >= 0.3",
     "pytest >=6",