Drop support for non-supported versions of Django and Python

.github/workflows/test.yml

@@ -22,21 +22,16 @@ jobs:
           name: dist
           path: dist/
   Test:
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: true
       matrix:
         include:
-          - os: ubuntu-20.04
-            python-version: "3.6"
-          - os: ubuntu-20.04
-            python-version: "3.7"
-          - os: ubuntu-22.04
-            python-version: "3.8"
-          - os: ubuntu-22.04
-            python-version: "3.9"
-          - os: ubuntu-22.04
-            python-version: "3.10"
+          - python-version: "3.8"
+          - python-version: "3.9"
+          - python-version: "3.10"
+          - python-version: "3.11"
+          - python-version: "3.12"
     steps:
       - uses: actions/checkout@v4
       - name: "Set up Python ${{ matrix.python-version }}"

pyproject.toml

@@ -2,7 +2,7 @@
 requires = [
     "setuptools",
     # TODO: look into using python-babel instead of requiring django at build time
-    "django>=2.1",  # for makemessages
+    "django>=3.2",  # for makemessages
 ]
 
 [tool.isort]

setup.cfg

@@ -14,27 +14,28 @@ classifiers =
 	Development Status :: 5 - Production/Stable
 	Environment :: Web Environment
 	Framework :: Django
-	Framework :: Django :: 2.2
-	Framework :: Django :: 3.0
-	Framework :: Django :: 3.1
 	Framework :: Django :: 3.2
 	Framework :: Django :: 4.0
+	Framework :: Django :: 4.1
+	Framework :: Django :: 4.2
+	Framework :: Django :: 5.0
 	Intended Audience :: Developers
 	License :: OSI Approved :: BSD License
 	Operating System :: OS Independent
 	Programming Language :: Python :: 3
 	Programming Language :: Python :: 3 :: Only
-	Programming Language :: Python :: 3.6
-	Programming Language :: Python :: 3.7
 	Programming Language :: Python :: 3.8
 	Programming Language :: Python :: 3.9
+	Programming Language :: Python :: 3.10
+	Programming Language :: Python :: 3.11
+	Programming Language :: Python :: 3.12
 	Topic :: Database
 
 [options]
 packages = find:
 include_package_data = True
 install_requires =
-	Django >= 2.1
+	Django >= 3.2
 
 [options.packages.find]
 exclude =

tox.ini

@@ -1,9 +1,8 @@
 [tox]
 envlist =
-	py36-django{22,30,31}
-	py37-django{22,30,31}
-	py38-django{22,30,31,32}
-	py{39,310}-django{40,41,42}
+	py{38,39,310}-django{32}
+	py{38,39,310,311,312}-django{40,41,42}
+	py{310,311,312}-django{50}
 	# TODO: reinstate running on postgres: py39-django{40}-postgres
 	docs
 
@@ -15,12 +14,11 @@ setenv =
 deps =
 	coverage
 	dj-database-url
-	django22: Django ~= 2.2
-	django30: Django ~= 3.0
-	django31: Django ~= 3.1
+	django32: Django ~= 3.2
 	django40: Django ~= 4.0
 	django41: Django ~= 4.1
 	django42: Django ~= 4.2
+	django50: Django ~= 5.0
 	djangomain: https://github.com/django/django/archive/main.tar.gz
 	postgres: psycopg2
 commands =
@@ -36,9 +34,8 @@ commands = sphinx-build -W -b html -d {envtmpdir}/doctrees . {envtmpdir}/html
 
 [gh-actions]
 python =
-    3.6: py36
-    3.7: py37
     3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311
+    3.12: py312