Replace black, isort, and some flake8 plugins with Ruff

.flake8

@@ -1,9 +1,7 @@
 [flake8]
-select = B,B9,C,D,DAR,E,F,N,RST,S,W
-ignore = E203,E501,RST201,RST203,RST301,W503
+select = D,DAR,RST
+ignore = RST201,RST203,RST301
 max-line-length = 80
-max-complexity = 10
 docstring-convention = google
-per-file-ignores = tests/*:S101
 rst-roles = class,const,func,meth,mod,ref
 rst-directives = deprecated

.pre-commit-config.yaml

@@ -1,12 +1,18 @@
 repos:
   - repo: local
     hooks:
-      - id: black
-        name: black
-        entry: black
+      - id: ruff
+        name: ruff check
+        entry: ruff check
+        require_serial: true
         language: system
-        types: [python]
+        types_or: [pyi, python]
+      - id: ruff-format
+        name: ruff format
+        entry: ruff format
         require_serial: true
+        language: system
+        types_or: [pyi, python]
       - id: check-added-large-files
         name: Check for added large files
         entry: check-added-large-files
@@ -40,26 +46,12 @@ repos:
         types: [python]
         require_serial: true
         args: [--darglint-ignore-regex, .*]
-      - id: isort
-        name: isort
-        entry: isort
-        require_serial: true
-        language: system
-        types_or: [cython, pyi, python]
-        args: ["--filter-files"]
       - id: trailing-whitespace
         name: Trim Trailing Whitespace
         entry: trailing-whitespace-fixer
         language: system
         types: [text]
         stages: [commit, push, manual]
-      - id: pyupgrade
-        name: pyupgrade
-        description: Automatically upgrade syntax for newer versions.
-        entry: pyupgrade
-        language: system
-        types: [python]
-        args: [--py37-plus]
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: v2.5.1
     hooks:

noxfile.py

@@ -111,18 +111,13 @@ def precommit(session: Session) -> None:
         "--show-diff-on-failure",
     ]
     session.install(
-        "black",
         "darglint",
         "flake8",
-        "flake8-bandit",
-        "flake8-bugbear",
         "flake8-docstrings",
         "flake8-rst-docstrings",
-        "isort",
-        "pep8-naming",
         "pre-commit",
         "pre-commit-hooks",
-        "pyupgrade",
+        "ruff",
     )
     session.run("pre-commit", *args)
     if args and args[0] == "install":
@@ -168,7 +163,10 @@ def mypy(session: Session) -> None:
 @session
 @nox.parametrize(
     "python,poetry",
-    [(python_versions[0], "1.6.1"), *((python, None) for python in python_versions)],
+    [
+        (python_versions[0], "1.6.1"),
+        *((python, None) for python in python_versions),
+    ],
 )
 def tests(session: Session, poetry: Optional[str]) -> None:
     """Run the test suite."""

pyproject.toml

@@ -21,7 +21,7 @@ nox = ">=2020.8.22"
 tomlkit = ">=0.7"
 packaging = ">=20.9"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 pytest = ">=6.2.5"
 coverage = {extras = ["toml"], version = ">=6.3"}
 safety = ">=1.10.3"
@@ -32,12 +32,8 @@ sphinx = ">=4.3.2"
 sphinx-autobuild = ">=2021.3.14"
 pre-commit = ">=2.17.0"
 flake8 = ">=4.0.1"
-black = ">=22.3"
-flake8-bandit = ">=2.1.2"
-flake8-bugbear = ">=22.1.11"
 flake8-docstrings = ">=1.6.0"
 flake8-rst-docstrings = ">=0.2.5"
-pep8-naming = ">=0.12.1"
 # TODO: The 'python < 4' constraint is a workaround to allow poetry to
 #       generate a lock file. Hopefully there's an alternative to darglint
 #       before Python 4 is released.
@@ -49,9 +45,8 @@ Pygments = ">=2.11.2"
 poetry = {version=">=1.1.12", python="<4"}
 pytest-datadir = ">=1.3.1"
 typing-extensions = ">=4.0.1"
-pyupgrade = ">=2.31.0"
-isort = ">=5.10.1"
 myst-parser = ">=0.16.1"
+ruff = ">=0.6.5"
 
 [tool.coverage.paths]
 source = ["src", "*/site-packages"]
@@ -64,10 +59,29 @@ source = ["nox_poetry"]
 show_missing = true
 fail_under = 100
 
-[tool.isort]
-profile = "black"
-force_single_line = true
-lines_after_imports = 2
+[tool.ruff]
+line-length = 88
+target-version = "py38"
+
+[tool.ruff.lint]
+select = [
+    "F",   # Pyflakes
+    "E",   # pycodestyle (error)
+    "W",   # pycodestyle (warning)
+    "C90", # mccabe
+    "I",   # isort
+    "N",   # pep8-naming
+    "UP",  # pyupgrade
+    "S",   # flake8-bandit
+    "B",   # flake8-bugbear
+]
+
+[tool.ruff.lint.per-file-ignores]
+"tests/*" = ["B018", "S101", "S607"]
+
+[tool.ruff.lint.isort]
+force-single-line = true
+lines-after-imports = 2
 
 [tool.mypy]
 strict = true

src/nox_poetry/sessions.py

@@ -192,7 +192,12 @@ def installroot(
             # as success; this means that the package was not in the wheel cache.
             name = self.poetry.config.name
             self.session.run_always(
-                "pip", "cache", "remove", name, success_codes=[0, 1], silent=True
+                "pip",
+                "cache",
+                "remove",
+                name,
+                success_codes=[0, 1],
+                silent=True,
             )
 
         self.session.install(f"--constraint={requirements}", package)

src/nox_poetry/sessions.pyi

@@ -3,21 +3,14 @@
 from pathlib import Path
 from typing import Any
 from typing import Callable
-from typing import Dict
 from typing import Iterable
-from typing import List
-from typing import Mapping
-from typing import NoReturn
-from typing import Optional
 from typing import Sequence
-from typing import TypeVar
-from typing import Union
 from typing import overload
 
 import nox.sessions
 import nox.virtualenv
 
-Python = Optional[Union[str, Sequence[str], bool]]
+Python = str | Sequence[str] | bool | None
 
 class _PoetrySession:
     def install(self, *args: str, **kwargs: Any) -> None: ...
@@ -41,8 +34,8 @@ def session(
     __func: None = ...,
     python: Python = ...,
     py: Python = ...,
-    reuse_venv: Optional[bool] = ...,
-    name: Optional[str] = ...,
+    reuse_venv: bool | None = ...,
+    name: str | None = ...,
     venv_backend: Any = ...,
     venv_params: Any = ...,
     tags: Sequence[str] = ...,

tests/functional/conftest.py

@@ -57,7 +57,7 @@ def get_dependency(self, name: str, data: Any = None) -> Package:
             if package["name"] == name:
                 url = package.get("source", {}).get("url")
                 if url is not None:
-                    # Abuse Package.version to store the URL (for ``list_packages``).
+                    # Abuse Package.version to store the URL (for ``list_packages``).  # noqa: E501
                     return Package(name, url)
                 return Package(name, package["version"])
         raise ValueError(f"{name}: package not found")

tests/functional/test_session.py

@@ -1,6 +1,6 @@
 """Functional tests for the `@session` decorator."""
 
-import sys
+from importlib.metadata import version
 from pathlib import Path
 
 import nox.sessions
@@ -13,12 +13,6 @@
 from tests.functional.conftest import run_nox_with_noxfile
 
 
-if sys.version_info >= (3, 8):
-    from importlib.metadata import version
-else:
-    from importlib_metadata import version
-
-
 def test_local(project: Project) -> None:
     """It installs the local package."""
 

tests/unit/conftest.py

@@ -1,17 +1,11 @@
 """Fixtures."""
 
-import sys
 from pathlib import Path
 from typing import Any
 from typing import Optional
+from typing import Protocol
 from typing import cast
 
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-else:
-    from typing_extensions import Protocol
-
 import pytest
 from nox.sessions import Session