Drop support for Python 3.8

Author: nicoddemus

.github/workflows/test.yml

@@ -37,7 +37,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14-dev"]
+        python: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
         os: [ubuntu-latest, windows-latest]
         tox_env: ["py"]
         include:
@@ -64,6 +64,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python }}
+        allow-prereleases: true
 
     - name: Install tox
       run: |

CHANGELOG.rst

@@ -4,6 +4,7 @@ Releases
 UNRELEASED
 ----------
 
+* Python 3.8 (EOL) is no longer supported.
 * `#524 <https://github.com/pytest-dev/pytest-mock/pull/524>`_: Added ``spy_return_iter`` to ``mocker.spy``, which contains a duplicate of the return value of the spied method if it is an ``Iterator``.
 
 3.14.1 (2025-05-26)

pyproject.toml

@@ -15,7 +15,7 @@ dependencies = [
     "pytest>=6.2.5",
 ]
 dynamic = ["version"]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 readme = "README.rst"
 license = {text = "MIT"}
 keywords = ["pytest", "mock"]
@@ -27,7 +27,6 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",

src/pytest_mock/_util.py

@@ -15,7 +15,7 @@ def get_mock_module(config):
             config.getini("mock_use_standalone_module")
         )
         if use_standalone_module:
-            import mock
+            from unittest import mock
 
             _mock_module = mock
         else:

src/pytest_mock/plugin.py

@@ -4,19 +4,15 @@
 import itertools
 import unittest.mock
 import warnings
+from collections.abc import Generator
+from collections.abc import Iterable
+from collections.abc import Iterator
+from collections.abc import Mapping
 from dataclasses import dataclass
 from dataclasses import field
 from typing import Any
 from typing import Callable
-from typing import Dict
-from typing import Generator
-from typing import Iterable
-from typing import Iterator
-from typing import List
-from typing import Mapping
 from typing import Optional
-from typing import Tuple
-from typing import Type
 from typing import TypeVar
 from typing import Union
 from typing import cast
@@ -53,7 +49,7 @@ class MockCache:
     Cache MagicMock and Patcher instances so we can undo them later.
     """
 
-    cache: List[MockCacheItem] = field(default_factory=list)
+    cache: list[MockCacheItem] = field(default_factory=list)
 
     def _find(self, mock: MockType) -> MockCacheItem:
         for mock_item in self.cache:
@@ -125,7 +121,7 @@ def resetall(
         :param bool return_value: Reset the return_value of mocks.
         :param bool side_effect: Reset the side_effect of mocks.
         """
-        supports_reset_mock_with_args: Tuple[Type[Any], ...]
+        supports_reset_mock_with_args: tuple[type[Any], ...]
         if hasattr(self, "AsyncMock"):
             supports_reset_mock_with_args = (self.Mock, self.AsyncMock)
         else:
@@ -348,7 +344,7 @@ def multiple(
             autospec: Optional[builtins.object] = None,
             new_callable: Optional[builtins.object] = None,
             **kwargs: Any,
-        ) -> Dict[str, MockType]:
+        ) -> dict[str, MockType]:
             """API to mock.patch.multiple"""
             return self._start_patch(
                 self.mock_module.patch.multiple,
@@ -365,7 +361,7 @@ def multiple(
         def dict(
             self,
             in_dict: Union[Mapping[Any, Any], str],
-            values: Union[Mapping[Any, Any], Iterable[Tuple[Any, Any]]] = (),
+            values: Union[Mapping[Any, Any], Iterable[tuple[Any, Any]]] = (),
             clear: bool = False,
             **kwargs: Any,
         ) -> Any:
@@ -477,8 +473,8 @@ def _mocker(pytestconfig: Any) -> Generator[MockerFixture, None, None]:
 session_mocker = pytest.fixture(scope="session")(_mocker)
 
 
-_mock_module_patches = []  # type: List[Any]
-_mock_module_originals = {}  # type: Dict[str, Any]
+_mock_module_patches: list[Any] = []
+_mock_module_originals: dict[str, Any] = {}
 
 
 def assert_wrapper(

tests/test_pytest_mock.py

@@ -3,14 +3,12 @@
 import re
 import sys
 import warnings
+from collections.abc import Generator
+from collections.abc import Iterable
+from collections.abc import Iterator
 from contextlib import contextmanager
 from typing import Any
 from typing import Callable
-from typing import Generator
-from typing import Iterable
-from typing import Iterator
-from typing import Tuple
-from typing import Type
 from unittest.mock import AsyncMock
 from unittest.mock import MagicMock
 
@@ -102,15 +100,15 @@ def check(mocked_rm, mocked_ls):
     return check
 
 
-def mock_using_patch_object(mocker: MockerFixture) -> Tuple[MagicMock, MagicMock]:
+def mock_using_patch_object(mocker: MockerFixture) -> tuple[MagicMock, MagicMock]:
     return mocker.patch.object(os, "remove"), mocker.patch.object(os, "listdir")
 
 
-def mock_using_patch(mocker: MockerFixture) -> Tuple[MagicMock, MagicMock]:
+def mock_using_patch(mocker: MockerFixture) -> tuple[MagicMock, MagicMock]:
     return mocker.patch("os.remove"), mocker.patch("os.listdir")
 
 
-def mock_using_patch_multiple(mocker: MockerFixture) -> Tuple[MagicMock, MagicMock]:
+def mock_using_patch_multiple(mocker: MockerFixture) -> tuple[MagicMock, MagicMock]:
     r = mocker.patch.multiple("os", remove=mocker.DEFAULT, listdir=mocker.DEFAULT)
     return r["remove"], r["listdir"]
 
@@ -212,10 +210,7 @@ def test_mocker_resetall(mocker: MockerFixture) -> None:
     assert isinstance(listdir.return_value, mocker.Mock)
     assert open.side_effect is None
 
-    if sys.version_info >= (3, 9):
-        # The reset on child mocks have been implemented in 3.9
-        # https://bugs.python.org/issue38932
-        assert mocked_object.run.return_value != "mocked"
+    assert mocked_object.run.return_value != "mocked"
 
 
 class TestMockerStub:
@@ -291,7 +286,7 @@ def bar(self, arg):
     ),
 )
 def test_instance_method_spy_exception(
-    exc_cls: Type[BaseException],
+    exc_cls: type[BaseException],
     mocker: MockerFixture,
 ) -> None:
     class Foo:

tox.ini

@@ -1,11 +1,10 @@
 [tox]
 minversion = 3.5.3
-envlist = py{38,39,310,311,312,313,314}, norewrite, pytest6
+envlist = py{39,310,311,312,313,314}, norewrite, pytest6
 
 [testenv]
 deps =
     coverage
-    mock
     pytest-asyncio
     pytest6: pytest==6.2.5
 commands =