Add 3.12 CI jobs.

.github/workflows/tests-ubuntu.yml

@@ -48,6 +48,16 @@ jobs:
           env:
             TOXENV: botocore
 
+        - python-version: "3.12.0-beta.4"
+          env:
+            TOXENV: py
+        - python-version: "3.12.0-beta.4"
+          env:
+            TOXENV: asyncio
+        - python-version: "3.12.0-beta.4"
+          env:
+            TOXENV: extra-deps
+
     steps:
     - uses: actions/checkout@v3
 
@@ -57,7 +67,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Install system libraries
-      if: matrix.python-version == 'pypy3.9' || contains(matrix.env.TOXENV, 'pinned')
+      if: matrix.python-version == 'pypy3.9' || contains(matrix.env.TOXENV, 'pinned')  || contains(matrix.python-version, '3.12.0')
       run: |
         sudo apt-get update
         sudo apt-get install libxml2-dev libxslt-dev

setup.py

@@ -62,6 +62,7 @@ setup(
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Internet :: WWW/HTTP",