pre-commit: add codespell; update versions

.pre-commit-config.yaml

@@ -15,20 +15,20 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.19.0
+    rev: v3.19.1
     hooks:
       - id: pyupgrade
         name: Modernize Python code
         args: ["--py313-plus"]
 
   - repo: https://github.com/PyCQA/isort
-    rev: 5.13.2
+    rev: 6.0.1
     hooks:
       - id: isort
         name: Reorder Python imports with isort
 
   - repo: https://github.com/psf/black
-    rev: 24.10.0
+    rev: 25.1.0
     hooks:
       - id: black
         name: Format Python code with black
@@ -40,14 +40,14 @@ repos:
         additional_dependencies: [flake8-bugbear, Flake8-pyproject]
 
   - repo: https://github.com/PyCQA/flake8
-    rev: 7.1.1
+    rev: 7.2.0
     hooks:
       - id: flake8
         name: Lint Python code with flake8
         additional_dependencies: [flake8-bugbear, Flake8-pyproject]
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.13.0
+    rev: v1.15.0
     hooks:
       - id: mypy
         name: Check Python types
@@ -58,6 +58,12 @@ repos:
           - types-PyYAML
           - types-requests
 
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.4.1
+    hooks:
+      - id: codespell
+        name: Check spelling with codespell
+
   - repo: meta
     hooks:
       - id: check-hooks-apply

demo/_synctiles.py

@@ -744,7 +744,7 @@ def finish_retile(ctxfile: TextIO, summarydir: Path) -> None:
 
 
 if __name__ == '__main__':
-    cpu_count = os.process_cpu_count()  # type: ignore[attr-defined]
+    cpu_count = os.process_cpu_count()
 
     parser = ArgumentParser()
     subparsers = parser.add_subparsers(metavar='subcommand', required=True)

pyproject.toml

@@ -3,6 +3,12 @@ line-length = 79
 skip-string-normalization = true
 target-version = ["py313"]
 
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+[tool.codespell]
+check-hidden = true
+# ignore-regex = ""
+ignore-words-list = "subtile"
+
 # https://black.readthedocs.io/en/stable/guides/using_black_with_other_tools.html#flake8
 # requires Flake8-pyproject
 [tool.flake8]