Support Python 3.14

Author: srittau

.github/workflows/daily.yml

@@ -35,7 +35,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "windows-latest", "macos-latest"]
-        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-dev"]
       fail-fast: false
 
     steps:

.github/workflows/stubtest_stdlib.yml

@@ -31,7 +31,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "windows-latest", "macos-latest"]
-        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-dev"]
       fail-fast: false
 
     steps:

.github/workflows/tests.yml

@@ -61,7 +61,7 @@ jobs:
     strategy:
       matrix:
         platform: ["linux", "win32", "darwin"]
-        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-dev"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v4
@@ -92,7 +92,7 @@ jobs:
     strategy:
       matrix:
         python-platform: ["Linux", "Windows", "Darwin"]
-        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-dev"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v4

README.md

@@ -21,7 +21,7 @@ the project the stubs are for, but instead report them here to typeshed.**
 Further documentation on stub files, typeshed, and Python's typing system in
 general, can also be found at https://typing.readthedocs.io/en/latest/.
 
-Typeshed supports Python versions 3.9 to 3.13.
+Typeshed supports Python versions 3.9 to 3.14.
 
 ## Using
 

tests/mypy_test.py

@@ -44,7 +44,7 @@
     print_error("Cannot import mypy. Did you install it?")
     sys.exit(1)
 
-SUPPORTED_VERSIONS = ["3.13", "3.12", "3.11", "3.10", "3.9"]
+SUPPORTED_VERSIONS = ["3.14", "3.13", "3.12", "3.11", "3.10", "3.9"]
 SUPPORTED_PLATFORMS = ("linux", "win32", "darwin")
 DIRECTORIES_TO_TEST = [STDLIB_PATH, STUBS_PATH]
 

tests/regr_test.py

@@ -41,7 +41,7 @@
 TYPESHED = "typeshed"
 
 SUPPORTED_PLATFORMS = ["linux", "darwin", "win32"]
-SUPPORTED_VERSIONS = ["3.13", "3.12", "3.11", "3.10", "3.9"]
+SUPPORTED_VERSIONS = ["3.14", "3.13", "3.12", "3.11", "3.10", "3.9"]
 
 
 def distribution_with_test_cases(distribution_name: str) -> DistributionTests:

tests/runtests.py

@@ -53,7 +53,7 @@ def main() -> None:
     parser.add_argument(
         "--python-version",
         default=_PYTHON_VERSION,
-        choices=("3.9", "3.10", "3.11", "3.12", "3.13"),
+        choices=("3.9", "3.10", "3.11", "3.12", "3.13", "3.14"),
         help="Target Python version for the test (default: %(default)s).",
     )
     parser.add_argument("path", help="Path of the stub to test in format <folder>/<stub>, from the root of the project.")

tests/typecheck_typeshed.py

@@ -14,7 +14,7 @@
 ReturnCode: TypeAlias = int
 
 SUPPORTED_PLATFORMS = ("linux", "darwin", "win32")
-SUPPORTED_VERSIONS = ("3.13", "3.12", "3.11", "3.10", "3.9")
+SUPPORTED_VERSIONS = ("3.14", "3.13", "3.12", "3.11", "3.10", "3.9")
 LOWEST_SUPPORTED_VERSION = min(SUPPORTED_VERSIONS, key=lambda x: int(x.split(".")[1]))
 DIRECTORIES_TO_TEST = ("scripts", "tests")
 EMPTY: list[str] = []