Add support for Python 3.12

.github/workflows/test.yml

@@ -33,20 +33,22 @@ jobs:
     runs-on: ${{ matrix.platform }}
     if: "! contains(toJSON(github.event.commits.*.message), '[skip ci]')"
     strategy:
+      fail-fast: false
       matrix:
-        python-version: ["3.8", "3.10"]
-        platform: [ubuntu-latest, macos-latest, windows-latest]
-        exclude: # Only test on the latest supported stable Python on macOS and Windows.
+        python-version: ["3.8", "3.11", "3.12"]
+        platform: [ubuntu-latest]
+        include: # Only test on the latest supported stable Python on macOS and Windows.
           - platform: macos-latest
-            python-version: 3.8
+            python-version: 3.11
           - platform: windows-latest
-            python-version: 3.8
+            python-version: 3.11
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
     - name: Install packages
       run: pip install tox coverage
     - name: Run Tox

setup.py

@@ -165,6 +165,7 @@ classifiers = {
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3",
         "Topic :: Text Processing :: Fonts",
         "Topic :: Multimedia :: Graphics",

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.0
-envlist = lint, py3{8,9,10,11}-cov, htmlcov
+envlist = lint, py3{8,9,10,11,12}-cov, htmlcov
 skip_missing_interpreters=true
 
 [testenv]