Use ruff for linting and formatting (#555)

.git-blame-ignore-revs

@@ -1 +1,2 @@
 4b38c01e680cf2032acb09819bc0985e5dfc5ca8
+be316333f436519e0e2ab1379cbdedde79c9ac68

.pre-commit-config.yaml

@@ -17,28 +17,19 @@ repos:
       - id: mixed-line-ending
       - id: trailing-whitespace
 
-  - repo: https://github.com/psf/black
-    rev: 3702ba224ecffbcec30af640c149f231d90aebdb # frozen: 24.4.2
-    hooks:
-      - id: black
-
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: ffb6a759a979008c0e6dff86e39f4745a2d9eac4 # frozen: v3.1.0
     hooks:
       - id: prettier
         types_or: [yaml, toml, markdown, css, scss, javascript, json]
         args: [--prose-wrap=preserve]
 
-  - repo: https://github.com/adamchainz/blacken-docs
-    rev: 960ead214cd1184149d366c6d27ca6c369ce46b6 # frozen: 1.16.0
-    hooks:
-      - id: blacken-docs
-
-  - repo: https://github.com/asottile/pyupgrade
-    rev: 12af25eb252deaaecb6b259df40d01f42e716dc3 # frozen: v3.15.2
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: "f8a3f8c471fb698229face5ed7640a64900b781e" # frozen: v0.4.4
     hooks:
-      - id: pyupgrade
-        args: [--py38-plus]
+      - id: ruff
+        args: ["--fix", "--show-fixes", "--exit-non-zero-on-fix"]
+      - id: ruff-format
 
   - repo: local
     hooks:

doc/conf.py

@@ -4,17 +4,15 @@
 # list see the documentation:
 # https://www.sphinx-doc.org/en/master/usage/configuration.html
 
-from datetime import date
-import numpydoc
-
 # -- Path setup --------------------------------------------------------------
-
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-
 import os
 import sys
+from datetime import date
+
+import numpydoc
 
 # for example.py
 sys.path.insert(0, os.path.abspath("."))

doc/example.py

@@ -127,4 +127,3 @@ def foo(var1, var2, *args, long_var_name="hi", only_seldom_used_keyword=0, **kwa
     # separate following codes (according to PEP257).
     # But for function, method and module, there should be no blank lines
     # after closing the docstring.
-    pass

numpydoc/cli.py

@@ -2,8 +2,9 @@
 
 import argparse
 import ast
+from collections.abc import Sequence
 from pathlib import Path
-from typing import List, Sequence, Union
+from typing import List, Union
 
 from .docscrape_sphinx import get_doc_object
 from .hooks import utils, validate_docstrings

numpydoc/docscrape.py

@@ -1,18 +1,15 @@
-"""Extract reference documentation from the NumPy source tree.
-
-"""
+"""Extract reference documentation from the NumPy source tree."""
 
+import copy
 import inspect
-import textwrap
-import re
 import pydoc
-from warnings import warn
+import re
+import sys
+import textwrap
 from collections import namedtuple
 from collections.abc import Callable, Mapping
-import copy
-import sys
-
 from functools import cached_property
+from warnings import warn
 
 
 def strip_blank_lines(l):

numpydoc/docscrape_sphinx.py

@@ -1,20 +1,17 @@
-import re
 import inspect
-import textwrap
-import pydoc
-from collections.abc import Callable
 import os
+import pydoc
+import re
+import textwrap
 
 from jinja2 import FileSystemLoader
 from jinja2.sandbox import SandboxedEnvironment
-import sphinx
 from sphinx.jinja2glue import BuiltinTemplateLoader
 
-from .docscrape import NumpyDocString, FunctionDoc, ClassDoc, ObjDoc
+from .docscrape import ClassDoc, FunctionDoc, NumpyDocString, ObjDoc
 from .docscrape import get_doc_object as get_doc_object_orig
 from .xref import make_xref
 
-
 IMPORT_MATPLOTLIB_RE = r"\b(import +matplotlib|from +matplotlib +import)\b"
 
 

numpydoc/hooks/utils.py

@@ -2,8 +2,8 @@
 
 import itertools
 import os
+from collections.abc import Sequence
 from pathlib import Path
-from typing import Sequence
 
 
 def find_project_root(srcs: Sequence[str]):
@@ -31,7 +31,7 @@ def find_project_root(srcs: Sequence[str]):
         `Black <https://github.com/psf/black/blob/main/src/black/files.py>`_.
     """
     if not srcs:
-        return Path(".").resolve(), "current directory"
+        return Path().resolve(), "current directory"
 
     common_path = Path(
         os.path.commonpath([Path(src).expanduser().resolve() for src in srcs])

numpydoc/numpydoc.py

@@ -17,24 +17,22 @@
 
 """
 
-from copy import deepcopy
-import re
-import pydoc
-import inspect
-from collections.abc import Callable
 import hashlib
+import inspect
 import itertools
+import pydoc
+import re
+from collections.abc import Callable
+from copy import deepcopy
 
-from docutils.nodes import citation, Text, section, comment, reference, inline
-import sphinx
-from sphinx.addnodes import pending_xref, desc_content
+from docutils.nodes import Text, citation, comment, inline, reference, section
+from sphinx.addnodes import desc_content, pending_xref
 from sphinx.util import logging
-from sphinx.errors import ExtensionError
 
+from . import __version__
 from .docscrape_sphinx import get_doc_object
-from .validate import validate, ERROR_MSGS, get_validation_checks
+from .validate import get_validation_checks, validate
 from .xref import DEFAULT_LINKS
-from . import __version__
 
 logger = logging.getLogger(__name__)
 
@@ -248,10 +246,10 @@ def mangle_signature(app, what, name, obj, options, sig, retann):
         return "", ""
 
     if not (isinstance(obj, Callable) or hasattr(obj, "__argspec_is_invalid_")):
-        return
+        return None
 
     if not hasattr(obj, "__doc__"):
-        return
+        return None
     doc = get_doc_object(obj, config={"show_class_members": False})
     sig = doc["Signature"] or _clean_text_signature(
         getattr(obj, "__text_signature__", None)
@@ -275,7 +273,7 @@ def _clean_text_signature(sig):
 
 def setup(app, get_doc_object_=get_doc_object):
     if not hasattr(app, "add_config_value"):
-        return  # probably called by nose, better bail out
+        return None  # probably called by nose, better bail out
 
     global get_doc_object
     get_doc_object = get_doc_object_
@@ -417,12 +415,18 @@ def match_items(lines, content_old):
 
     Examples
     --------
-    >>> lines = ['', 'A', '', 'B', '   ', '', 'C', 'D']
-    >>> lines_old = ['a', '', '', 'b', '', 'c']
-    >>> items_old = [('file1.py', 0), ('file1.py', 1), ('file1.py', 2),
-    ...              ('file2.py', 0), ('file2.py', 1), ('file2.py', 2)]
+    >>> lines = ["", "A", "", "B", "   ", "", "C", "D"]
+    >>> lines_old = ["a", "", "", "b", "", "c"]
+    >>> items_old = [
+    ...     ("file1.py", 0),
+    ...     ("file1.py", 1),
+    ...     ("file1.py", 2),
+    ...     ("file2.py", 0),
+    ...     ("file2.py", 1),
+    ...     ("file2.py", 2),
+    ... ]
     >>> content_old = ViewList(lines_old, items=items_old)
-    >>> match_items(lines, content_old) # doctest: +NORMALIZE_WHITESPACE
+    >>> match_items(lines, content_old)  # doctest: +NORMALIZE_WHITESPACE
     [('file1.py', 0), ('file1.py', 0), ('file2.py', 0), ('file2.py', 0),
      ('file2.py', 2), ('file2.py', 2), ('file2.py', 2), ('file2.py', 2)]
     >>> # first 2 ``lines`` are matched to 'a', second 2 to 'b', rest to 'c'

numpydoc/tests/hooks/example_module.py

@@ -3,7 +3,6 @@
 
 def some_function(name):
     """Welcome to some function."""
-    pass
 
 
 class MyClass:
@@ -23,11 +22,9 @@ def do_something(self, *args, **kwargs):
         ----------
         *args
         """
-        pass
 
     def process(self):
         """Process stuff."""
-        pass
 
 
 class NewClass: