Drop support for Python 3.9

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: "3.10"
 
       - name: Install dependencies
         run: |

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: false
       max-parallel: 5
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v4

.pre-commit-config.yaml

@@ -4,11 +4,12 @@ repos:
   hooks:
     - id: django-upgrade
       args: [--target-version, "4.2"]
+
 - repo: https://github.com/asottile/pyupgrade
   rev: v3.20.0
   hooks:
     - id: pyupgrade
-      args: [--py39-plus]
+      args: [--py310-plus]
 
 - repo: https://github.com/pre-commit/pre-commit-hooks
   rev: v6.0.0

setup.py

@@ -15,7 +15,7 @@ def read(*parts):
                 'Maps hostnames to URLconfs.',
     long_description=read('README.rst'),
     use_scm_version=True,
-    python_requires='>=3.9',
+    python_requires='>=3.10',
     setup_requires=['setuptools_scm'],
     url='https://django-hosts.readthedocs.io/',
     project_urls={
@@ -38,7 +38,6 @@ def read(*parts):
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3 :: Only',
-        'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',

tox.ini

@@ -2,7 +2,7 @@
 downloadcache = {distshare}
 args_are_paths = false
 envlist =
-    py{39,310,311,312}-dj42
+    py{310,311,312}-dj42
     py{310,311,312,313}-dj{51,52}
     py{312,313}-djmain
 
@@ -22,7 +22,6 @@ deps =
 
 [gh-actions]
 python =
-    3.9: py39
     3.10: py310
     3.11: py311
     3.12: py312