Fixed #36005 -- Dropped support for Python 3.10 and 3.11.

Author: felixxm

.github/workflows/schedule_tests.yml

@@ -16,8 +16,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.10'
-          - '3.11'
           - '3.12'
           - '3.13'
           - '3.14-dev'
@@ -64,64 +62,6 @@ jobs:
       - name: Run tests
         run: python -Wall tests/runtests.py --verbosity=2
 
-  pypy-sqlite:
-    runs-on: ubuntu-latest
-    name: Ubuntu, SQLite, PyPy3.10
-    continue-on-error: true
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: pypy-3.10-nightly
-          cache: 'pip'
-          cache-dependency-path: 'tests/requirements/py3.txt'
-      - name: Install libmemcached-dev for pylibmc
-        run: sudo apt-get install libmemcached-dev
-      - name: Install and upgrade packaging tools
-        run: python -m pip install --upgrade pip setuptools wheel
-      - run: python -m pip install -r tests/requirements/py3.txt -e .
-      - name: Run tests
-        run: python -Wall tests/runtests.py --verbosity=2
-
-  pypy-postgresql:
-    runs-on: ubuntu-latest
-    name: Ubuntu, PostgreSQL, PyPy3.10
-    continue-on-error: true
-    services:
-      postgres:
-        image: postgres:14-alpine
-        env:
-          POSTGRES_DB: django
-          POSTGRES_USER: user
-          POSTGRES_PASSWORD: postgres
-        ports:
-          - 5432:5432
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: pypy-3.10-nightly
-          cache: 'pip'
-          cache-dependency-path: 'tests/requirements/py3.txt'
-      - name: Install libmemcached-dev for pylibmc
-        run: sudo apt-get install libmemcached-dev
-      - name: Install and upgrade packaging tools
-        run: python -m pip install --upgrade pip setuptools wheel
-      - run: python -m pip install -r tests/requirements/py3.txt -r tests/requirements/postgres.txt -e .
-      - name: Create PostgreSQL settings file
-        run: mv ./.github/workflows/data/test_postgres.py.tpl ./tests/test_postgres.py
-      - name: Run tests
-        run: python -Wall tests/runtests.py --settings=test_postgres --verbosity=2
-
   javascript-tests:
     runs-on: ubuntu-latest
     name: JavaScript tests

.github/workflows/screenshots.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.13'
           cache: 'pip'
           cache-dependency-path: 'tests/requirements/py3.txt'
       - name: Install and upgrade packaging tools

INSTALL

@@ -1,6 +1,6 @@
 Thanks for downloading Django.
 
-To install it, make sure you have Python 3.10 or greater installed. Then run
+To install it, make sure you have Python 3.12 or greater installed. Then run
 this command from the command prompt:
 
     python -m pip install .

django/db/migrations/serializer.py

@@ -16,7 +16,7 @@
 from django.db.migrations.operations.base import Operation
 from django.db.migrations.utils import COMPILED_REGEX_TYPE, RegexObject
 from django.utils.functional import LazyObject, Promise
-from django.utils.version import PY311, get_docs_version
+from django.utils.version import get_docs_version
 
 FUNCTION_TYPES = (types.FunctionType, types.BuiltinFunctionType, types.MethodType)
 
@@ -140,11 +140,7 @@ def serialize(self):
         enum_class = self.value.__class__
         module = enum_class.__module__
         if issubclass(enum_class, enum.Flag):
-            if PY311:
-                members = list(self.value)
-            else:
-                members, _ = enum._decompose(enum_class, self.value)
-                members = reversed(members)
+            members = list(self.value)
         else:
             members = (self.value,)
         return (

django/db/models/enums.py

@@ -1,25 +1,8 @@
 import enum
+from enum import EnumType, IntEnum, StrEnum
+from enum import property as enum_property
 
 from django.utils.functional import Promise
-from django.utils.version import PY311, PY312
-
-if PY311:
-    from enum import EnumType, IntEnum, StrEnum
-    from enum import property as enum_property
-else:
-    from enum import EnumMeta as EnumType
-    from types import DynamicClassAttribute as enum_property
-
-    class ReprEnum(enum.Enum):
-        def __str__(self):
-            return str(self.value)
-
-    class IntEnum(int, ReprEnum):
-        pass
-
-    class StrEnum(str, ReprEnum):
-        pass
-
 
 __all__ = ["Choices", "IntegerChoices", "TextChoices"]
 
@@ -49,14 +32,6 @@ def __new__(metacls, classname, bases, classdict, **kwds):
             member._label_ = label
         return enum.unique(cls)
 
-    if not PY312:
-
-        def __contains__(cls, member):
-            if not isinstance(member, enum.Enum):
-                # Allow non-enums to match against member values.
-                return any(x.value == member for x in cls)
-            return super().__contains__(member)
-
     @property
     def names(cls):
         empty = ["__empty__"] if hasattr(cls, "__empty__") else []
@@ -79,13 +54,7 @@ def values(cls):
 class Choices(enum.Enum, metaclass=ChoicesType):
     """Class for creating enumerated choices."""
 
-    if PY311:
-        do_not_call_in_templates = enum.nonmember(True)
-    else:
-
-        @property
-        def do_not_call_in_templates(self):
-            return True
+    do_not_call_in_templates = enum.nonmember(True)
 
     @enum_property
     def label(self):

django/db/models/fields/files.py

@@ -14,7 +14,6 @@
 from django.db.models.query_utils import DeferredAttribute
 from django.db.models.utils import AltersData
 from django.utils.translation import gettext_lazy as _
-from django.utils.version import PY311
 
 
 class FieldFile(File, AltersData):
@@ -329,7 +328,7 @@ def pre_save(self, model_instance, add):
                 f"File for {self.name} must have "
                 "the name attribute specified to be saved."
             )
-            if PY311 and isinstance(file._file, ContentFile):
+            if isinstance(file._file, ContentFile):
                 exc.add_note("Pass a 'name' argument to ContentFile.")
             raise exc
 

django/test/runner.py

@@ -28,7 +28,7 @@
 from django.test.utils import teardown_databases as _teardown_databases
 from django.test.utils import teardown_test_environment
 from django.utils.datastructures import OrderedSet
-from django.utils.version import PY312, PY313
+from django.utils.version import PY313
 
 try:
     import ipdb as pdb
@@ -829,15 +829,14 @@ def add_arguments(cls, parser):
                 "unittest -k option."
             ),
         )
-        if PY312:
-            parser.add_argument(
-                "--durations",
-                dest="durations",
-                type=int,
-                default=None,
-                metavar="N",
-                help="Show the N slowest test cases (N=0 for all).",
-            )
+        parser.add_argument(
+            "--durations",
+            dest="durations",
+            type=int,
+            default=None,
+            metavar="N",
+            help="Show the N slowest test cases (N=0 for all).",
+        )
 
     @property
     def shuffle_seed(self):
@@ -1005,9 +1004,8 @@ def get_test_runner_kwargs(self):
             "resultclass": self.get_resultclass(),
             "verbosity": self.verbosity,
             "buffer": self.buffer,
+            "durations": self.durations,
         }
-        if PY312:
-            kwargs["durations"] = self.durations
         return kwargs
 
     def run_checks(self, databases):

django/test/testcases.py

@@ -54,7 +54,6 @@
     override_settings,
 )
 from django.utils.functional import classproperty
-from django.utils.version import PY311
 from django.views.static import serve
 
 logger = logging.getLogger("django.test")
@@ -71,24 +70,6 @@
 __unittest = True
 
 
-if not PY311:
-    # Backport of unittest.case._enter_context() from Python 3.11.
-    def _enter_context(cm, addcleanup):
-        # Look up the special methods on the type to match the with statement.
-        cls = type(cm)
-        try:
-            enter = cls.__enter__
-            exit = cls.__exit__
-        except AttributeError:
-            raise TypeError(
-                f"'{cls.__module__}.{cls.__qualname__}' object does not support the "
-                f"context manager protocol"
-            ) from None
-        result = enter(cm)
-        addcleanup(exit, cm, None, None, None)
-        return result
-
-
 def to_list(value):
     """Put value into a list if it's not already one."""
     if not isinstance(value, list):
@@ -398,12 +379,6 @@ def _post_teardown(self):
         """Perform post-test things."""
         pass
 
-    if not PY311:
-        # Backport of unittest.TestCase.enterClassContext() from Python 3.11.
-        @classmethod
-        def enterClassContext(cls, cm):
-            return _enter_context(cm, cls.addClassCleanup)
-
     def settings(self, **kwargs):
         """
         A context manager that temporarily sets a setting and reverts to the

django/views/debug.py

@@ -17,7 +17,7 @@
 from django.utils.encoding import force_str
 from django.utils.module_loading import import_string
 from django.utils.regex_helper import _lazy_re_compile
-from django.utils.version import PY311, get_docs_version
+from django.utils.version import get_docs_version
 from django.views.decorators.debug import coroutine_functions_to_sensitive_variables
 
 # Minimal Django templates engine to render the error templates
@@ -567,22 +567,19 @@ def get_exception_traceback_frames(self, exc_value, tb):
                 post_context = []
 
             colno = tb_area_colno = ""
-            if PY311:
-                _, _, start_column, end_column = next(
-                    itertools.islice(
-                        tb.tb_frame.f_code.co_positions(), tb.tb_lasti // 2, None
-                    )
+            _, _, start_column, end_column = next(
+                itertools.islice(
+                    tb.tb_frame.f_code.co_positions(), tb.tb_lasti // 2, None
                 )
-                if start_column and end_column:
-                    underline = "^" * (end_column - start_column)
-                    spaces = " " * (start_column + len(str(lineno + 1)) + 2)
-                    colno = f"\n{spaces}{underline}"
-                    tb_area_spaces = " " * (
-                        4
-                        + start_column
-                        - (len(context_line) - len(context_line.lstrip()))
-                    )
-                    tb_area_colno = f"\n{tb_area_spaces}{underline}"
+            )
+            if start_column and end_column:
+                underline = "^" * (end_column - start_column)
+                spaces = " " * (start_column + len(str(lineno + 1)) + 2)
+                colno = f"\n{spaces}{underline}"
+                tb_area_spaces = " " * (
+                    4 + start_column - (len(context_line) - len(context_line.lstrip()))
+                )
+                tb_area_colno = f"\n{tb_area_spaces}{underline}"
             yield {
                 "exc_cause": exc_cause,
                 "exc_cause_explicit": exc_cause_explicit,

docs/internals/contributing/writing-code/unit-tests.txt

@@ -92,14 +92,14 @@ In addition to the default environments, ``tox`` supports running unit tests
 for other versions of Python and other database backends. Since Django's test
 suite doesn't bundle a settings file for database backends other than SQLite,
 however, you must :ref:`create and provide your own test settings
-<running-unit-tests-settings>`. For example, to run the tests on Python 3.10
+<running-unit-tests-settings>`. For example, to run the tests on Python 3.12
 using PostgreSQL:
 
 .. console::
 
-    $ tox -e py310-postgres -- --settings=my_postgres_settings
+    $ tox -e py312-postgres -- --settings=my_postgres_settings
 
-This command sets up a Python 3.10 virtual environment, installs Django's
+This command sets up a Python 3.12 virtual environment, installs Django's
 test suite dependencies (including those for PostgreSQL), and calls
 ``runtests.py`` with the supplied arguments (in this case,
 ``--settings=my_postgres_settings``).
@@ -114,14 +114,14 @@ above:
 
 .. code-block:: console
 
-    $ DJANGO_SETTINGS_MODULE=my_postgres_settings tox -e py310-postgres
+    $ DJANGO_SETTINGS_MODULE=my_postgres_settings tox -e py312-postgres
 
 Windows users should use:
 
 .. code-block:: doscon
 
     ...\> set DJANGO_SETTINGS_MODULE=my_postgres_settings
-    ...\> tox -e py310-postgres
+    ...\> tox -e py312-postgres
 
 Running the JavaScript tests
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

docs/intro/reusable-apps.txt

@@ -220,7 +220,7 @@ this. For a small app like polls, this process isn't too difficult.
        ]
        description = "A Django app to conduct web-based polls."
        readme = "README.rst"
-       requires-python = ">= 3.10"
+       requires-python = ">= 3.12"
        authors = [
            {name = "Your Name", email = "[email protected]"},
        ]
@@ -234,8 +234,6 @@ this. For a small app like polls, this process isn't too difficult.
            "Programming Language :: Python",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3 :: Only",
-           "Programming Language :: Python :: 3.10",
-           "Programming Language :: Python :: 3.11",
            "Programming Language :: Python :: 3.12",
            "Programming Language :: Python :: 3.13",
            "Topic :: Internet :: WWW/HTTP",

docs/intro/tutorial01.txt

@@ -23,7 +23,7 @@ in a shell prompt (indicated by the $ prefix):
 If Django is installed, you should see the version of your installation. If it
 isn't, you'll get an error telling "No module named django".
 
-This tutorial is written for Django |version|, which supports Python 3.10 and
+This tutorial is written for Django |version|, which supports Python 3.12 and
 later. If the Django version doesn't match, you can refer to the tutorial for
 your version of Django by using the version switcher at the bottom right corner
 of this page, or update Django to the newest version. If you're using an older

docs/ref/django-admin.txt

@@ -1583,10 +1583,6 @@ Outputs timings, including database setup and total run time.
 
 Shows the N slowest test cases (N=0 for all).
 
-.. admonition:: Python 3.12 and later
-
-    This feature is only available for Python 3.12 and later.
-
 ``testserver``
 --------------