Drop Python 3.8

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v4

.pre-commit-config.yaml

@@ -3,7 +3,7 @@ repos:
     rev: v3.15.0
     hooks:
       - id: pyupgrade
-        args: [--py38-plus]
+        args: [--py39-plus]
 
   - repo: https://github.com/psf/black-pre-commit-mirror
     rev: 23.10.1

CONTRIBUTING.rst

@@ -27,7 +27,7 @@ Set-up
 
        $ git clone https://github.com/YOUR_USERNAME_HERE/sphinx-autobuild
 
-To work on this project, you need Python 3.8 or newer.
+To work on this project, you need Python 3.9 or newer.
 Most of this project's development workflow commands use nox_.
 
 If you're not sure how to install nox,

noxfile.py

@@ -9,7 +9,7 @@ def lint(session):
     session.run("pre-commit", "run", "--all-files", *session.posargs)
 
 
-@nox.session(python=["3.8", "3.9", "3.10", "3.11", "3.12"])
+@nox.session(python=["3.9", "3.10", "3.11", "3.12"])
 def test(session):
     session.install("-e", ".[test]", silent=True)
     args = session.posargs or ("--cov-report", "term", "--cov", "sphinx_autobuild")

pyproject.toml

@@ -13,7 +13,7 @@ urls.Download = "https://pypi.org/project/sphinx-autobuild/"
 urls."Issue tracker" = "https://github.com/sphinx-doc/sphinx-autobuild/issues"
 urls.Source = "https://github.com/sphinx-doc/sphinx-autobuild"
 license.text = "MIT"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 # Classifiers list: https://pypi.org/classifiers/
 classifiers = [
@@ -27,7 +27,6 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",

sphinx_autobuild/__main__.py

@@ -19,7 +19,7 @@ def _get_build_args(args):
     build_args = []
     arg_dict = vars(args)  # Convert the args namespace to a dictionary
     for opt, meta in SPHINX_BUILD_OPTIONS:
-        arg = opt[1:]  # remove leading '-'
+        arg = opt.removeprefix("-")  # remove leading '-'
         val = arg_dict.get(arg)
         if val is None:
             continue