Add Python 3.13 the build pipeline and tox config.

Author: Kami

.github/workflows/main.yml

@@ -36,6 +36,7 @@ jobs:
           - "3.10"
           - "3.11"
           - "3.12"
+          - "3.13"
           # cryptography is not compatible with older PyPy versions
           - "pypy-3.9"
         os:
@@ -73,7 +74,7 @@ jobs:
          tox -e py${{ matrix.python_version }}
 
       - name: Run dist install checks tox target
-        if: ${{ matrix.python_version != 'pypy-3.7' && matrix.python_version != 'pypy-3.9' && matrix.python_version != '3.12-dev' }}
+        if: ${{ matrix.python_version != 'pypy-3.7' && matrix.python_version != 'pypy-3.9' }}
         run: |
          tox -e py${{ matrix.python_version }}-dist,py${{ matrix.python_version }}-dist-wheel
 

tox.ini

@@ -21,15 +21,15 @@ allowlist_externals =
     /bin/bash
     scripts/*.sh
 basepython =
-    py3.12-dev: python3.12
     pypypy3: pypy3
     pypypy-3.9: pypy3.9
     pypyjion: pyjion
     {docs,checks,black,black-check,lint,pylint,bandit,mypy,micro-benchmarks,coverage,import-timings,isort,isort-check,pyupgrade}: python3.9
     {py3.9,py3.9-dist,py3.9-dist-wheel,py3.9-windows,integration-storage}: python3.9
     {py3.10,py3.10-dist,py3.10-dist-wheel}: python3.10
     {py3.11,py3.11-dist,py3.11-dist-wheel}: python3.11
-    {py3.12-dev,py3.12-dev-dist,py3.12-dev-dist-wheel}: python3.12
+    {py3.12,py3.12-dist,py3.12-dist-wheel}: python3.12
+    {py3.13-dev,py3.13-dev-dist,py3.13-dev-dist-wheel}: python3.13
 setenv =
   CRYPTOGRAPHY_ALLOW_OPENSSL_102=1
 # NOTE: By default we run tests on CI in parallel to speed up the build
@@ -99,7 +99,7 @@ recreate = True
 deps =
 commands = bash -c "./scripts/dist_wheel_install_check.sh"
 
-[testenv:py3.12-dev-dist]
+[testenv:py3.12-dist]
 # Verify library installs without any dependencies when using python setup.py
 # install
 skipdist = True
@@ -109,7 +109,26 @@ recreate = True
 deps =
 commands = bash -c "./scripts/dist_install_check.sh"
 
-[testenv:py3.12-dev-dist-wheel]
+[testenv:py3.12-dist-wheel]
+# Verify library installs without any dependencies when using built wheel
+skipdist = True
+recreate = True
+# NOTE: We intentionally set empty deps to ensure it works on a clean
+# environment without any dependencies
+deps =
+commands = bash -c "./scripts/dist_wheel_install_check.sh"
+
+[testenv:py3.13-dist]
+# Verify library installs without any dependencies when using python setup.py
+# install
+skipdist = True
+recreate = True
+# NOTE: We intentionally set empty deps to ensure it works on a clean
+# environment without any dependencies
+deps =
+commands = bash -c "./scripts/dist_install_check.sh"
+
+[testenv:py3.13-dist-wheel]
 # Verify library installs without any dependencies when using built wheel
 skipdist = True
 recreate = True