Add support for Python 3.13

Author: hugovk

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["pypy3.10", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["pypy3.10", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [macos-latest, ubuntu-latest]
 
     steps:
@@ -24,7 +24,6 @@ jobs:
           allow-prereleases: true
           cache: pip
 
-
       - name: Install dependencies
         run: |
           python -m pip install -U pip

pyproject.toml

@@ -25,6 +25,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
   "Topic :: Software Development :: Documentation",

tox.ini

@@ -3,7 +3,7 @@ requires =
     tox>=4.2
 env_list =
     lint
-    py{py3, 312, 311, 310, 39, 38}
+    py{py3, 313, 312, 311, 310, 39, 38}
 
 [testenv]
 extras =
@@ -23,7 +23,7 @@ deps =
 pass_env =
     PRE_COMMIT_COLOR
 commands =
-    pre-commit run --all-files
+    pre-commit run --all-files --show-diff-on-failure
 
 [testenv:py310]
 deps =