Add support for Python 3.14 (#633)

Author: cdce8p

.github/workflows/cache_ci.yaml

@@ -17,7 +17,7 @@ jobs:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       ARTIFACT_NAME: cleanup_cache
       ALL_VENV_PREFIXES: venv, venv-base, pre-commit
-      ALL_PYTHON_VERSIONS: 3.9, 3.10, 3.11, 3.12, 3.13
+      ALL_PYTHON_VERSIONS: 3.9, 3.10, 3.11, 3.12, 3.13, 3.14
     steps:
       - name: Download workflow artifact
         id: download-artifact

.github/workflows/ci.yaml

@@ -180,7 +180,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
     outputs:
       python-key: ${{ steps.generate-python-key.outputs.key }}
     steps:
@@ -191,6 +191,7 @@ jobs:
         uses: actions/[email protected]
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
           check-latest: true
       - name: Generate partial Python venv restore key
         id: generate-python-key

README.md

@@ -154,6 +154,9 @@ Set the minimum Python syntax version to **3.12**. (Default: **3.9**)
 **`--py313-plus`**
 Set the minimum Python syntax version to **3.13**. (Default: **3.9**)
 
+**`--py314-plus`**
+Set the minimum Python syntax version to **3.14**. (Default: **3.9**)
+
 
 ## License
 This Project is licensed under the MIT license.

pyproject.toml

@@ -19,6 +19,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Software Development",
 ]
 requires-python = ">=3.9"

python_typing_update/__main__.py

@@ -139,6 +139,10 @@ async def async_main(argv: list[str] | None = None) -> int:
         '--py313-plus',
         action='store_const', dest='min_version', const=(3, 13),
     )
+    group_py_version.add_argument(
+        '--py314-plus',
+        action='store_const', dest='min_version', const=(3, 14),
+    )
 
     argv = argv or sys.argv[1:]
     args = parser.parse_args(argv)

tests/test_main.py

@@ -118,6 +118,7 @@ async def test_main(
         pytest.param(['--py311-plus']),
         pytest.param(['--py312-plus']),
         pytest.param(['--py313-plus']),
+        pytest.param(['--py314-plus']),
     ),
 )
 async def test_py_version(