Add support for Python 3.13

.github/workflows/test.yml

@@ -2,16 +2,20 @@ name: Test
 
 on: [push, pull_request, workflow_dispatch]
 
+permissions:
+  contents: read
+
 env:
   FORCE_COLOR: 1
+  PIP_DISABLE_PIP_VERSION_CHECK: 1
 
 jobs:
   test:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [windows-latest, macos-latest, ubuntu-latest]
 
     steps:
@@ -21,12 +25,12 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
           cache: pip
 
       - name: Install dependencies
         run: |
           python -m pip install -U pip
-          python -m pip install -U wheel
           python -m pip install -U tox
 
       - name: Tox tests

pyproject.toml

@@ -30,6 +30,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Topic :: Artistic Software",
   "Topic :: Multimedia :: Graphics",
   "Topic :: Scientific/Engineering :: Visualization",
@@ -78,7 +79,7 @@ select = [
   "W", # pycodestyle warnings
   "YTT", # flake8-2020
 ]
-extend-ignore = [
+ignore = [
   "E203", # Whitespace before ':'
   "E221", # Multiple spaces before operator
   "E226", # Missing whitespace around arithmetic operator

tox.ini

@@ -3,7 +3,7 @@ requires =
     tox>=4.2
 env_list =
     lint
-    py{312, 311, 310, 39, 38}
+    py{313, 312, 311, 310, 39, 38}
 
 [testenv]
 pass_env =