Add 3.14 support and drop 3.9 (#448)

Author: gaborbernat

.github/workflows/check.yaml

@@ -26,7 +26,6 @@ jobs:
           - "3.12"
           - "3.11"
           - "3.10"
-          - "3.9"
           - "pypy3.11"
         os:
           - ubuntu-24.04
@@ -42,7 +41,7 @@ jobs:
       - name: "🔄 Install the latest version of uv"
         uses: astral-sh/setup-uv@v7
       - name: "🧪 Install tox"
-        run: uv tool install --python-preference only-managed --python 3.13 tox --with tox-uv
+        run: uv tool install --python-preference only-managed --python 3.14 tox --with tox-uv
       - name: "🐍 Install Python"
         run: uv python install --python-preference only-managed ${{ matrix.py }}
       - name: "⚙️ Setup test suite"
@@ -87,9 +86,9 @@ jobs:
       - name: "🔄 Install the latest version of uv"
         uses: astral-sh/setup-uv@v7
       - name: "🧪 Install tox"
-        run: uv tool install --python-preference only-managed --python 3.13 tox --with tox-uv
+        run: uv tool install --python-preference only-managed --python 3.14 tox --with tox-uv
       - name: "📦 Build package to generate version"
-        run: uv build --python 3.13 --python-preference only-managed --wheel . --out-dir dist
+        run: uv build --python 3.14 --python-preference only-managed --wheel . --out-dir dist
       - name: "⚙️ Setup coverage tool"
         run: tox -e coverage --notest
         env:
@@ -133,7 +132,7 @@ jobs:
       - name: "🔄 Install the latest version of uv"
         uses: astral-sh/setup-uv@v7
       - name: "🧪 Install tox"
-        run: uv tool install --python-preference only-managed --python 3.13 tox --with tox-uv
+        run: uv tool install --python-preference only-managed --python 3.14 tox --with tox-uv
       - name: "⚙️ Setup test suite"
         run: tox run -vv --notest --skip-missing-interpreters false -e ${{ matrix.tox_env }}
         env:

.github/workflows/release.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: "🔄 Install the latest version of uv"
         uses: astral-sh/setup-uv@v7
       - name: "📦 Build package"
-        run: uv build --python 3.13 --python-preference only-managed --sdist --wheel . --out-dir dist
+        run: uv build --python 3.14 --python-preference only-managed --sdist --wheel . --out-dir dist
       - name: "📤 Store the distribution packages"
         uses: actions/upload-artifact@v4
         with:

.pre-commit-config.yaml

@@ -15,18 +15,18 @@ repos:
       - id: codespell
         additional_dependencies: ["tomli>=2.2.1"]
   - repo: https://github.com/tox-dev/tox-toml-fmt
-    rev: "v1.0.0"
+    rev: "v1.1.0"
     hooks:
       - id: tox-toml-fmt
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: "v2.7.0"
+    rev: "v2.8.0"
     hooks:
       - id: pyproject-fmt
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.13.3"
+    rev: "v0.14.0"
     hooks:
       - id: ruff-format
-      - id: ruff
+      - id: ruff-check
         args: ["--fix", "--unsafe-fixes", "--exit-non-zero-on-fix"]
   - repo: https://github.com/rbubley/mirrors-prettier
     rev: "v3.6.2" # Use the sha / tag you want to point at

pyproject.toml

@@ -20,19 +20,19 @@ license = "Unlicense"
 maintainers = [
   { name = "Bernát Gábor", email = "gaborjbernat@gmail.com" },
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Intended Audience :: Developers",
   "License :: OSI Approved :: The Unlicense (Unlicense)",
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
   "Topic :: Internet",
   "Topic :: Software Development :: Libraries",
   "Topic :: System",
@@ -57,36 +57,36 @@ dev = [
 
 test = [
   "covdefaults>=2.3",
-  "diff-cover>=9.6",
-  "pytest>=8.4.1",
-  "pytest-asyncio>=1.1",
-  "pytest-cov>=6.2.1",
-  "pytest-mock>=3.14.1",
+  "diff-cover>=9.7.1",
+  "pytest>=8.4.2",
+  "pytest-asyncio>=1.2",
+  "pytest-cov>=7",
+  "pytest-mock>=3.15.1",
   "pytest-timeout>=2.4",
-  "virtualenv>=20.33.1",
+  "virtualenv>=20.34",
 ]
 type = [
-  "mypy>=1.17.1",
-  "typing-extensions>=4.14.1; python_version<'3.11'",
+  "mypy>=1.18.2",
+  "typing-extensions>=4.15; python_version<'3.11'",
   { include-group = "test" },
 ]
 docs = [
-  "furo>=2025.7.19",
+  "furo>=2025.9.25",
   "sphinx>=8.2.3",
   "sphinx-autodoc-typehints>=3.2",
 ]
 fix = [
-  "pre-commit-uv>=4.1.4",
+  "pre-commit-uv>=4.1.5",
 ]
 pkg-meta = [
   "check-wheel-contents>=0.6.3",
-  "twine>=6.1",
-  "uv>=0.8.5",
+  "twine>=6.2",
+  "uv>=0.8.22",
 ]
 coverage = [
   "covdefaults>=2.3",
-  "coverage[toml]>=7.10.2",
-  "diff-cover>=9.6",
+  "coverage[toml]>=7.10.7",
+  "diff-cover>=9.7.1",
 ]
 
 [tool.hatch]
@@ -140,7 +140,7 @@ quiet-level = 3
 ignore-words-list = "master"
 
 [tool.pyproject-fmt]
-max_supported_python = "3.13"
+max_supported_python = "3.14"
 
 [tool.pytest.ini_options]
 asyncio_default_fixture_loop_scope = "session"

src/filelock/asyncio.py

@@ -10,7 +10,7 @@
 from dataclasses import dataclass
 from inspect import iscoroutinefunction
 from threading import local
-from typing import TYPE_CHECKING, Any, Callable, NoReturn, cast
+from typing import TYPE_CHECKING, Any, NoReturn, cast
 
 from ._api import BaseFileLock, FileLockContext, FileLockMeta
 from ._error import Timeout
@@ -20,6 +20,7 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import Callable
     from concurrent import futures
     from types import TracebackType
 

tests/test_filelock.py

@@ -12,7 +12,7 @@
 from pathlib import Path, PurePath
 from stat import S_IWGRP, S_IWOTH, S_IWUSR, filemode
 from types import TracebackType
-from typing import TYPE_CHECKING, Any, Callable, Union
+from typing import TYPE_CHECKING, Any
 from uuid import uuid4
 from weakref import WeakValueDictionary
 
@@ -21,7 +21,7 @@
 from filelock import BaseFileLock, FileLock, SoftFileLock, Timeout, UnixFileLock, WindowsFileLock
 
 if TYPE_CHECKING:
-    from collections.abc import Iterator
+    from collections.abc import Callable, Iterator
 
     from pytest_mock import MockerFixture
 
@@ -220,7 +220,7 @@ def test_nested_contruct(lock_type: type[BaseFileLock], tmp_path: Path) -> None:
     assert not lock_1.is_locked
 
 
-_ExcInfoType = Union[tuple[type[BaseException], BaseException, TracebackType], tuple[None, None, None]]
+_ExcInfoType = tuple[type[BaseException], BaseException, TracebackType] | tuple[None, None, None]
 
 
 class ExThread(threading.Thread):

tox.toml

@@ -1,5 +1,5 @@
-requires = [ "tox>=4.28.4" ]
-env_list = [ "fix", "3.14t", "3.14", "3.13", "3.12", "3.11", "3.10", "3.9", "coverage", "type", "docs", "pkg_meta" ]
+requires = [ "tox>=4.30.2" ]
+env_list = [ "fix", "3.14t", "3.14", "3.13", "3.12", "3.11", "3.10", "coverage", "type", "docs", "pkg_meta" ]
 skip_missing_interpreters = true
 
 [env_run_base]
@@ -71,7 +71,7 @@ commands = [
   ],
 ]
 parallel_show_output = true
-depends = [ "3.14t", "3.14", "3.13", "3.12", "3.11", "3.10", "3.9" ]
+depends = [ "3.14t", "3.14", "3.13", "3.12", "3.11", "3.10" ]
 
 [env.fix]
 description = "format the code base to adhere to our styles, and complain about what we cannot do automatically"