Add explicit support for Python up to 3.13

Author: mwilliamson

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "pypy3.9"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "pypy3.9"]
 
     steps:
 

setup.py

@@ -30,5 +30,9 @@ def read(fname):
         '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',
+        'Programming Language :: Python :: 3.13',
     ],
 )

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py37,py38,py39,pypy,docs
+envlist = py37,py38,py39,py310,py311,py312,py313,pypy,docs
 [testenv]
 changedir = {envtmpdir}
 deps=-r{toxinidir}/test-requirements.txt