Declare support for Python 3.12 (#103)

* Declare support for Python 3.12

* nox: temporarily set AIOHTTP_NO_EXTENSIONS for 3.12

.github/workflows/nox.yml

@@ -48,7 +48,7 @@ jobs:
       - name: Setup nox
         uses: wntrblm/nox@2023.04.22
         with:
-          python-versions: "3.9, 3.10, 3.11"
+          python-versions: "3.9, 3.10, 3.11, 3.12"
       - name: Run unit tests
         run: |
           nox -v -e test

noxfile.py

@@ -30,10 +30,14 @@ def install(session: nox.Session, *args, editable=False, **kwargs):
     # This ensures that the wheel contains all of the correct files.
     if editable and ALLOW_EDITABLE:
         args = ("-e", *args)
+    # TODO: Remove this once aiohttp's extension module supports Python 3.12
+    if session.python == "3.12":
+        kwargs.setdefault("env", {})["AIOHTTP_NO_EXTENSIONS"] = "1"
+
     session.install(*args, "-U", **kwargs)
 
 
-@nox.session(python=["3.9", "3.10", "3.11"])
+@nox.session(python=["3.9", "3.10", "3.11", "3.12"])
 def test(session: nox.Session):
     install(
         session,
@@ -42,7 +46,7 @@ def test(session: nox.Session):
     )
     covfile = Path(session.create_tmp(), ".coverage")
     more_args = []
-    if session.python == "3.11":
+    if session.python == "3.12":
         more_args.append("--error-for-skips")
     session.run(
         "pytest",

pyproject.toml

@@ -21,6 +21,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Typing :: Typed",
 ]
 requires-python = ">=3.9"