Use flake8-toml-config (#523)

Author: kurtmckee

.pre-commit-config.yaml

@@ -48,6 +48,7 @@ repos:
     hooks:
       - id: "flake8"
         additional_dependencies:
+          - "flake8-toml-config==1.0.0"
           - "flake8-bugbear==24.12.12"
 
   - repo: "https://github.com/editorconfig-checker/editorconfig-checker"

changelog.d/20250806_081303_kurtmckee_flake8_toml_config.rst

@@ -0,0 +1,5 @@
+Project development
+-------------------
+
+*   Migrate the flake8 configuration to ``pyproject.toml`` using
+    the `flake8-toml-config <https://github.com/kurtmckee/flake8-toml-config>`_ plugin.

pyproject.toml

@@ -54,6 +54,15 @@ fail_under = 93
 directory = "htmlcov/"
 
 
+# flake8
+# ------
+
+[tool.flake8]
+max-line-length = 80
+extend-select = ["B950"]
+extend-ignore = ["E203", "E501", "E701"]
+
+
 # isort
 # -----
 

tox.ini

@@ -95,8 +95,3 @@ commands =
 
     # Run pre-commit immediately, but ignore its exit code
     - pre-commit run -a
-
-
-[flake8]
-max-line-length = 88
-extend-ignore = E203