Add support for Python 3.12 and drop EOL 3.7

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
     needs: lint
     strategy:
       matrix:
-        pyver: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        pyver: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         os: [ubuntu, macos, windows]
         include:
           - pyver: pypy-3.9
@@ -63,6 +63,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.pyver }}
+        allow-prereleases: true
     - name: Get pip cache dir
       id: pip-cache
       run: |

.pre-commit-config.yaml

@@ -16,7 +16,7 @@ repos:
   rev: '23.7.0'
   hooks:
     - id: black
-      language_version: python3 # Should be a command that runs python3.6+
+      language_version: python3 # Should be a command that runs python3.8+
 - repo: https://github.com/pre-commit/pre-commit-hooks
   rev: 'v4.4.0'
   hooks:
@@ -44,7 +44,7 @@ repos:
   rev: 'v3.10.1'
   hooks:
   - id: pyupgrade
-    args: ['--py36-plus']
+    args: ['--py38-plus']
 - repo: https://github.com/PyCQA/flake8
   rev: '6.1.0'
   hooks:

CHANGES/372.feature

@@ -0,0 +1 @@
+Add support for Python 3.12 and drop EOL 3.7.

async_timeout/__init__.py

@@ -3,13 +3,7 @@
 import sys
 import warnings
 from types import TracebackType
-from typing import Optional, Type
-
-
-if sys.version_info >= (3, 8):
-    from typing import final
-else:
-    from typing_extensions import final
+from typing import Optional, Type, final
 
 
 if sys.version_info >= (3, 11):

setup.cfg

@@ -28,23 +28,19 @@ classifiers =
   Programming Language :: Python
   Programming Language :: Python :: 3
   Programming Language :: Python :: 3 :: Only
-  Programming Language :: Python :: 3.7
   Programming Language :: Python :: 3.8
   Programming Language :: Python :: 3.9
   Programming Language :: Python :: 3.10
   Programming Language :: Python :: 3.11
+  Programming Language :: Python :: 3.12
 
 [options]
-python_requires = >=3.7
+python_requires = >=3.8
 packages =
   async_timeout
 zip_safe = True
 include_package_data = True
 
-install_requires =
-  typing_extensions>=3.6.5; python_version < "3.8"
-
-
 [flake8]
 exclude = .git,.env,__pycache__,.eggs
 max-line-length = 88