use ruff

.pre-commit-config.yaml

@@ -39,19 +39,12 @@ repos:
   hooks:
   - id: black
 
-# Python docstring formatting
-- repo: https://github.com/pycqa/pydocstyle
-  rev: 6.3.0
+# Ruff linter, replacement for flake8, pydocstyle, isort
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  rev: 'v0.3.3'
   hooks:
-  - id: pydocstyle
-    files: src/pyhepmc/[^_].*\\.py
-
-# Python linter (Flake8)
-- repo: https://github.com/pycqa/flake8
-  rev: 7.0.0
-  hooks:
-  - id: flake8
-    exclude: ^(docs/.*|tests/.*)$
+    - id: ruff
+      args: [--fix, --show-fixes]
 
 # C++ formatting
 - repo: https://github.com/pre-commit/mirrors-clang-format

pyproject.toml

@@ -3,7 +3,7 @@ requires = [
     "setuptools>=46.4",
     "setuptools_scm[toml]>=6.2",
     "cmake>=3.13",
-    "wheel"
+    "wheel",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -12,11 +12,11 @@ name = "pyhepmc"
 description = "Pythonic interface to the HepMC3 C++ library licensed under LGPL-v3."
 maintainers = [
     { name = "Hans Dembinski" },
-    { email = "[email protected]" }
+    { email = "[email protected]" },
 ]
 readme = "README.rst"
 requires-python = ">=3.8"
-license = {text = "BSD 3-Clause License"}
+license = { text = "BSD 3-Clause License" }
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "License :: OSI Approved :: BSD License",
@@ -25,7 +25,7 @@ classifiers = [
     "Operating System :: MacOS",
     "Operating System :: Microsoft :: Windows",
     "Topic :: Scientific/Engineering",
-    "Intended Audience :: Developers"
+    "Intended Audience :: Developers",
 ]
 dependencies = ["numpy"]
 dynamic = ["version"]
@@ -35,18 +35,8 @@ repository = "https://github.com/scikit-hep/pyhepmc"
 documentation = "https://scikit-hep.org/pyhepmc"
 
 [project.optional-dependencies]
-test = [
-    "pytest",
-    "particle",
-    "matplotlib"
-]
-doc = [
-    "sphinx",
-    "sphinx-rtd-theme",
-    "nbsphinx",
-    "ipython",
-    "ipykernel",
-]
+test = ["pytest", "particle", "matplotlib"]
+doc = ["sphinx", "sphinx-rtd-theme", "nbsphinx", "ipython", "ipykernel"]
 
 [tool.setuptools_scm]
 
@@ -75,8 +65,30 @@ source = ["pyhepmc"]
 [tool.coverage.report]
 exclude_lines = ["pragma: no cover"]
 
-[tool.pydocstyle]
-convention = "numpy"
+[tool.ruff]
+src = ["src"]
+
+[tool.ruff.lint]
+select = [
+    "E",
+    "F", # flake8
+    "D", # pydocstyle
+]
+unfixable = [
+    "F841", # Removes unused variables
+]
+extend-ignore = [
+    "D212", # multi-line-summary-first-line
+]
+pydocstyle.convention = "numpy"
+
+[tool.ruff.lint.per-file-ignores]
+"test_*.py" = ["B", "D"]
+"bench/*.py" = ["D"]
+"docs/*.py" = ["D"]
+"cmake_ext.py" = ["D"]
+"generate_*.py" = ["D"]
+"setup*.py" = ["D"]
 
 [tool.cibuildwheel]
 # update skip when numpy wheels become available

setup_utils.py

@@ -9,7 +9,6 @@ def merge_license_files():
     This follows the approach of Scipy and is to keep LICENSE in repo as an
     exact BSD 3-clause, to make GitHub state correctly how pyhepmc is licensed.
     """
-
     l1 = "LICENSE"
     l2 = "LICENSES_bundled"
 

src/pyhepmc/__init__.py

@@ -113,7 +113,8 @@ def __getattr__(name: str) -> Any:
 
     if name in dir(io):
         warnings.warn(
-            f"importing {name} from pyhepmc is deprecated, please import from pyhepmc.io",
+            f"importing {name} from pyhepmc is deprecated, "
+            "please import from pyhepmc.io",
             category=VisibleDeprecationWarning,
             stacklevel=2,
         )

src/pyhepmc/_setup.py

@@ -12,17 +12,17 @@
 class _SetupMeta(type):
     @property
     def print_errors(cls) -> bool:
-        "Whether to print errors or not."
+        """Whether to print errors or not."""
         return _Setup_print_errors()  # type:ignore
 
     @property
     def print_warnings(cls) -> bool:
-        "Whether to print warnings or not."
+        """Whether to print warnings or not."""
         return _Setup_print_warnings()  # type:ignore
 
     @property
     def debug_level(cls) -> int:
-        "Access debug level."
+        """Access debug level."""
         return _Setup_debug_level()  # type:ignore
 
     def __setattr__(self, name: str, value: Any) -> None:

src/pyhepmc/io.py

@@ -100,20 +100,22 @@ def __iter__(self: Any) -> _Iter:
 
 # add contextmanager interface to IO classes
 class ReaderAscii(ReaderAsciiBase, ReaderMixin):  # type:ignore
-    pass
+    """Reader for HepMC3 ASCII files."""
 
 
 class ReaderAsciiHepMC2(ReaderAsciiHepMC2Base, ReaderMixin):  # type:ignore
-    pass
+    """Reader for HepMC2 ASCII files."""
 
 
 class ReaderLHEF(ReaderLHEFBase, ReaderMixin):  # type:ignore
+    """Reader for LHEF files."""
+
     _read_event_unpatched = ReaderLHEFBase.read_event
     read_event = _read_event_lhef_patch
 
 
 class ReaderHEPEVT(ReaderHEPEVTBase, ReaderMixin):  # type:ignore
-    pass
+    """Reader for HEPEVT files."""
 
 
 WriterAscii.__enter__ = _enter

src/pyhepmc/view.py

@@ -1,6 +1,4 @@
-"""
-Visualization for GenEvent.
-"""
+"""Visualization for GenEvent."""
 
 from __future__ import annotations
 from pyhepmc._graphviz import Digraph