Add support for Python 3.12

Author: hugovk

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       max-parallel: 4
       matrix:
         platform: [ubuntu-latest, windows-latest]
-        tox-env: [py37, py38, py39, py310, py311, nolxml, nohtml5lib]
+        tox-env: [py37, py38, py39, py310, py311, py312, nolxml, nohtml5lib]
         include:
           - tox-env: py37
             python-version: 3.7
@@ -34,6 +34,9 @@ jobs:
           - tox-env: py311
             python-version: '3.11'
             continue-on-error: false
+          - tox-env: py312
+            python-version: '3.12'
+            continue-on-error: false
           - tox-env: nolxml
             python-version: '3.11'
             continue-on-error: false
@@ -56,6 +59,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
     - name: Set up development Python ${{ matrix.python-version }}
       if: endsWith(matrix.python-version, '-dev')
       uses: deadsnakes/[email protected]

hatch_build.py

@@ -46,6 +46,7 @@ def update(self, metadata):
             'Programming Language :: Python :: 3.9',
             'Programming Language :: Python :: 3.10',
             'Programming Language :: Python :: 3.11',
+            'Programming Language :: Python :: 3.12',
             'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
             'Topic :: Software Development :: Libraries :: Python Modules',
             'Typing :: Typed'

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 isolated_build = true
 envlist =
-    py{37,38,39,310,311},
+    py{37,38,39,310,311,312},
     lint, nolxml, nohtml5lib
 
 [testenv]