Lint Python code with ruff instead of flake8 and isort

docs/conf.py

@@ -8,7 +8,6 @@
 import re
 import sys
 
-import sphinx_rtd_theme
 from docutils import nodes, utils
 from docutils.parsers.rst import roles
 from docutils.parsers.rst.roles import set_classes

pyproject.toml

@@ -1,3 +1,80 @@
 [build-system]
-requires = ["setuptools >= 68.0.0", "wheel", "setuptools-scm >= 3.0.3"]
 build-backend = "setuptools.build_meta"
+
+requires = [ "setuptools>=68", "setuptools-scm>=3.0.3", "wheel" ]
+
+[tool.ruff]
+exclude = [ "**/migrations/*" ]
+line-length = 169
+lint.select = [
+  "AIR",   # Airflow
+  "ASYNC", # flake8-async
+  "C4",    # flake8-comprehensions
+  "C90",   # mccabe
+  "E",     # pycodestyle errors
+  "F",     # Pyflakes
+  "FA",    # flake8-future-annotations
+  "FLY",   # flynt
+  "I",     # isort
+  "ICN",   # flake8-import-conventions
+  "INT",   # flake8-gettext
+  "LOG",   # flake8-logging
+  "NPY",   # NumPy-specific rules
+  "PD",    # pandas-vet
+  "PLE",   # Pylint errors
+  "PYI",   # flake8-pyi
+  "SLOT",  # flake8-slots
+  "T10",   # flake8-debugger
+  "TCH",   # flake8-type-checking
+  "W",     # pycodestyle warnings
+  "YTT",   # flake8-2020
+  # "A",     # flake8-builtins
+  # "ANN",   # flake8-annotations
+  # "ARG",   # flake8-unused-arguments
+  # "B",     # flake8-bugbear
+  # "BLE",   # flake8-blind-except
+  # "COM",   # flake8-commas
+  # "CPY",   # flake8-copyright
+  # "D",     # pydocstyle
+  # "DJ",    # flake8-django
+  # "DOC",   # pydoclint
+  # "DTZ",   # flake8-datetimez
+  # "EM",    # flake8-errmsg
+  # "ERA",   # eradicate
+  # "EXE",   # flake8-executable
+  # "FAST",  # FastAPI
+  # "FBT",   # flake8-boolean-trap
+  # "FIX",   # flake8-fixme
+  # "FURB",  # refurb
+  # "G",     # flake8-logging-format
+  # "INP",   # flake8-no-pep420
+  # "ISC",   # flake8-implicit-str-concat
+  # "N",     # pep8-naming
+  # "PERF",  # Perflint
+  # "PGH",   # pygrep-hooks
+  # "PIE",   # flake8-pie
+  # "PLC",   # Pylint conventions
+  # "PLR",   # Pylint refactorings
+  # "PLW",   # Pylint warnings
+  # "PT",    # flake8-pytest-style
+  # "PTH",   # flake8-use-pathlib
+  # "Q",     # flake8-quotes
+  # "RET",   # flake8-return
+  # "RSE",   # flake8-raise
+  # "RUF",   # Ruff-specific rules
+  # "S",     # flake8-bandit
+  # "SIM",   # flake8-simplify
+  # "SLF",   # flake8-self
+  # "T20",   # flake8-print
+  # "TD",    # flake8-todos
+  # "TID",   # flake8-tidy-imports
+  # "TRY",   # tryceratops
+  # "UP",    # pyupgrade
+]
+lint.isort.known-first-party = [ "drf_yasg", "testproj", "articles", "people", "snippets", "todo", "users", "urlconfs" ]
+lint.mccabe.max-complexity = 13
+lint.per-file-ignores."src/drf_yasg/inspectors/field.py" = [ "E721" ]
+lint.per-file-ignores."src/drf_yasg/openapi.py" = [ "E721" ]
+lint.per-file-ignores."testproj/testproj/settings/*" = [ "F405" ]
+
+[tool.setuptools_scm]

requirements/lint.txt

@@ -1,4 +1,2 @@
-# used by the 'lint' tox env for linting via flake8
-isort>=5.12
-flake8>=6.0.0
-flake8-isort>=6.0.0
+# used by the 'lint' tox env for linting via ruff
+ruff>=0.7.0

src/drf_yasg/codecs.py

@@ -3,8 +3,8 @@
 import logging
 from collections import OrderedDict
 
-from django.utils.encoding import force_bytes
 import yaml
+from django.utils.encoding import force_bytes
 
 try:
     from swagger_spec_validator.common import SwaggerValidationError as SSVErr

src/drf_yasg/generators.py

@@ -7,9 +7,9 @@
 import uritemplate
 from django.urls import URLPattern, URLResolver
 from rest_framework import versioning
-from rest_framework.schemas.openapi import SchemaGenerator
 from rest_framework.schemas.generators import EndpointEnumerator as _EndpointEnumerator
 from rest_framework.schemas.generators import endpoint_ordering, get_pk_name
+from rest_framework.schemas.openapi import SchemaGenerator
 from rest_framework.schemas.utils import get_pk_description, is_list_view
 from rest_framework.settings import api_settings
 

src/drf_yasg/inspectors/__init__.py

@@ -1,13 +1,21 @@
 from ..app_settings import swagger_settings
-from .base import (
-    BaseInspector, FieldInspector, FilterInspector, NotHandled, PaginatorInspector, SerializerInspector, ViewInspector
-)
+from .base import BaseInspector, FieldInspector, FilterInspector, NotHandled, PaginatorInspector, SerializerInspector, ViewInspector
 from .field import (
-    CamelCaseJSONFilter, ChoiceFieldInspector, DictFieldInspector, FileFieldInspector, HiddenFieldInspector,
-    InlineSerializerInspector, JSONFieldInspector, RecursiveFieldInspector, ReferencingSerializerInspector,
-    RelatedFieldInspector, SerializerMethodFieldInspector, SimpleFieldInspector, StringDefaultFieldInspector
+    CamelCaseJSONFilter,
+    ChoiceFieldInspector,
+    DictFieldInspector,
+    FileFieldInspector,
+    HiddenFieldInspector,
+    InlineSerializerInspector,
+    JSONFieldInspector,
+    RecursiveFieldInspector,
+    ReferencingSerializerInspector,
+    RelatedFieldInspector,
+    SerializerMethodFieldInspector,
+    SimpleFieldInspector,
+    StringDefaultFieldInspector,
 )
-from .query import DrfAPICompatInspector, CoreAPICompatInspector, DjangoRestResponsePagination
+from .query import CoreAPICompatInspector, DjangoRestResponsePagination, DrfAPICompatInspector
 from .view import SwaggerAutoSchema
 
 # these settings must be accessed only after defining/importing all the classes in this module to avoid ImportErrors

src/drf_yasg/inspectors/field.py

@@ -2,25 +2,23 @@
 import inspect
 import logging
 import operator
+import typing
 import uuid
-from contextlib import suppress
 from collections import OrderedDict
+from contextlib import suppress
 from decimal import Decimal
 from inspect import signature as inspect_signature
 
-import typing
 from django.core import validators
 from django.db import models
 from packaging import version
 from rest_framework import serializers
 from rest_framework.settings import api_settings as rest_framework_settings
 
-from .base import call_view_method, FieldInspector, NotHandled, SerializerInspector
 from .. import openapi
 from ..errors import SwaggerGenerationError
-from ..utils import (
-    decimal_as_float, field_value_to_representation, filter_none, get_serializer_class, get_serializer_ref_name
-)
+from ..utils import decimal_as_float, field_value_to_representation, filter_none, get_serializer_class, get_serializer_ref_name
+from .base import FieldInspector, NotHandled, SerializerInspector, call_view_method
 
 try:
     from importlib import metadata

src/drf_yasg/inspectors/query.py

@@ -8,7 +8,7 @@
 
 from .. import openapi
 from ..utils import force_real_str
-from .base import FilterInspector, PaginatorInspector, NotHandled
+from .base import FilterInspector, NotHandled, PaginatorInspector
 
 
 def ignore_assert_decorator(func):

src/drf_yasg/inspectors/view.py

@@ -7,10 +7,7 @@
 
 from .. import openapi
 from ..errors import SwaggerGenerationError
-from ..utils import (
-    filter_none, force_real_str, force_serializer_instance, get_consumes, get_produces, guess_response_status,
-    merge_params, no_body, param_list_to_odict
-)
+from ..utils import filter_none, force_real_str, force_serializer_instance, get_consumes, get_produces, guess_response_status, merge_params, no_body, param_list_to_odict
 from .base import ViewInspector, call_view_method
 
 logger = logging.getLogger(__name__)

src/drf_yasg/openapi.py

@@ -2,7 +2,8 @@
 import logging
 import re
 import urllib.parse as urlparse
-from collections import OrderedDict, abc as collections_abc
+from collections import OrderedDict
+from collections import abc as collections_abc
 
 from django.urls import get_script_prefix
 from django.utils.functional import Promise

src/drf_yasg/utils.py

@@ -442,7 +442,7 @@ def force_real_str(s, encoding='utf-8', strings_only=False, errors='strict'):
     """
     if s is not None:
         s = force_str(s, encoding, strings_only, errors)
-        if type(s) != str:
+        if not isinstance(s, str):
             s = '' + s
 
         # Remove common indentation to get the correct Markdown rendering

testproj/testproj/settings/heroku.py

@@ -1,3 +1,5 @@
+import os
+
 import dj_database_url
 
 from .base import *  # noqa: F403

testproj/todo/views.py

@@ -5,10 +5,7 @@
 from drf_yasg.utils import swagger_auto_schema
 
 from .models import Pack, Todo, TodoAnother, TodoTree, TodoYetAnother
-from .serializer import (
-    HarvestSerializer, TodoAnotherSerializer, TodoRecursiveSerializer, TodoSerializer, TodoTreeSerializer,
-    TodoYetAnotherSerializer
-)
+from .serializer import HarvestSerializer, TodoAnotherSerializer, TodoRecursiveSerializer, TodoSerializer, TodoTreeSerializer, TodoYetAnotherSerializer
 
 
 class TodoViewSet(viewsets.ReadOnlyModelViewSet):

tests/test_versioning.py

@@ -1,7 +1,7 @@
 import pytest
 
-from drf_yasg.errors import SwaggerGenerationError
 from drf_yasg.codecs import yaml_sane_load
+from drf_yasg.errors import SwaggerGenerationError
 
 
 def _get_versioned_schema(prefix, client, validate_schema, path='/snippets/'):

tests/urlconfs/additional_fields_checks.py

@@ -3,7 +3,7 @@
 
 from testproj.urls import required_urlpatterns
 
-from .url_versioning import SnippetList, SnippetSerializer, VersionedSchemaView, VERSION_PREFIX_URL
+from .url_versioning import VERSION_PREFIX_URL, SnippetList, SnippetSerializer, VersionedSchemaView
 
 
 class SnippetsSerializer(serializers.HyperlinkedModelSerializer, SnippetSerializer):

tests/urlconfs/coreschema.py

@@ -1,11 +1,11 @@
-from django.urls import re_path
 import coreapi
 import coreschema
+from django.urls import re_path
 from rest_framework import pagination
 
 from testproj.urls import required_urlpatterns
 
-from .url_versioning import SnippetList, VersionedSchemaView, VERSION_PREFIX_URL
+from .url_versioning import VERSION_PREFIX_URL, SnippetList, VersionedSchemaView
 
 
 class FilterBackendWithoutParams:

tests/urlconfs/url_versioning_extra.py

@@ -2,7 +2,7 @@
 
 from testproj.urls import required_urlpatterns
 
-from .url_versioning import SnippetList, VERSION_PREFIX_URL, VersionedSchemaView
+from .url_versioning import VERSION_PREFIX_URL, SnippetList, VersionedSchemaView
 
 urlpatterns = required_urlpatterns + [
     re_path(VERSION_PREFIX_URL + r"extra/snippets/$", SnippetList.as_view()),

tox.ini

@@ -62,7 +62,7 @@ skip_install = true
 deps =
     -r requirements/lint.txt
 commands =
-    flake8 src/drf_yasg testproj tests setup.py
+    ruff check
 
 [testenv:py38-docs]
 deps =