Add support for Python 3.12 (#112)

Author: hugovk

.github/workflows/main.yml

@@ -43,14 +43,15 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.5", "3.6", "3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "3.12"]
 
     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 dependencies
         run: |
           python -m pip install --upgrade pip wheel flake8

Makefile

@@ -18,6 +18,7 @@ PYTHON38=python3.8
 PYTHON39=python3.9
 PYTHON310=python3.10
 PYTHON311=python3.11
+PYTHON312=python3.12
 PYTHON2=/usr/bin/python2
 PYTHON3=/usr/bin/python3
 PYTHON=${PYTHON3}
@@ -84,7 +85,8 @@ test_lazy: .stamp-tzinfo
 	    && ${PYTHON38} test_lazy.py ${TESTARGS} \
 	    && ${PYTHON39} test_lazy.py ${TESTARGS} \
 	    && ${PYTHON310} test_lazy.py ${TESTARGS} \
-	    && ${PYTHON311} test_lazy.py ${TESTARGS}
+	    && ${PYTHON311} test_lazy.py ${TESTARGS} \
+	    && ${PYTHON312} test_lazy.py ${TESTARGS}
 
 test_tzinfo: .stamp-tzinfo
 	cd build/dist/pytz/tests \
@@ -102,7 +104,8 @@ test_tzinfo: .stamp-tzinfo
 	    && ${PYTHON38} test_tzinfo.py ${TESTARGS} \
 	    && ${PYTHON39} test_tzinfo.py ${TESTARGS} \
 	    && ${PYTHON310} test_tzinfo.py ${TESTARGS} \
-	    && ${PYTHON311} test_tzinfo.py ${TESTARGS}
+	    && ${PYTHON311} test_tzinfo.py ${TESTARGS} \
+	    && ${PYTHON312} test_tzinfo.py ${TESTARGS}
 
 test_docs: .stamp-tzinfo
 	cd build/dist/pytz/tests \

src/setup.py

@@ -64,6 +64,7 @@
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],
 )