Remove support for Python 3.8

.pre-commit-config.yaml

@@ -0,0 +1,32 @@
+exclude: '^docs/conf.py'
+
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v5.0.0
+  hooks:
+  - id: trailing-whitespace
+  - id: check-added-large-files
+  - id: check-ast
+  - id: check-json
+  - id: check-merge-conflict
+  - id: check-xml
+  - id: check-yaml
+  - id: debug-statements
+  - id: end-of-file-fixer
+  - id: requirements-txt-fixer
+  - id: mixed-line-ending
+    args: ['--fix=auto']  # replace 'auto' with 'lf' to enforce Linux/Mac line endings or 'crlf' for Windows
+
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  # Ruff version.
+  rev: v0.8.2
+  hooks:
+    - id: ruff
+      args: [--fix, --exit-non-zero-on-fix]
+    - id: ruff-format
+
+## Check for misspells in documentation files:
+# - repo: https://github.com/codespell-project/codespell
+#   rev: v2.2.5
+#   hooks:
+#   - id: codespell

pyproject.toml

@@ -17,8 +17,9 @@ extend-ignore = ["F821"]
 [tool.ruff.pydocstyle]
 convention = "google"
 
+[tool.ruff.format]
+docstring-code-format = true
+docstring-code-line-length = 20
+
 [tool.ruff.per-file-ignores]
 "__init__.py" = ["E402", "F401"]
-
-[tool.black]
-force-exclude = "__init__.py"

setup.cfg

@@ -41,7 +41,7 @@ package_dir =
     =src
 
 # Require a min/specific Python version (comma-separated conditions)
-# python_requires = >=3.8
+python_requires = >=3.9
 
 # Add here dependencies of your project (line-separated), e.g. requests>=2.2,<3.0.
 # Version specifiers like >=2.2,<3.0 avoid problems due to API changes in