Fixed #36376 -- Fixed --no-color for command help in Python 3.14+.

https://github.com/python/cpython/pull/136809 made `color` default to
True in ArgumentParser.

django/core/management/base.py

@@ -58,8 +58,11 @@ class CommandParser(ArgumentParser):
     ):
         self.missing_args_message = missing_args_message
         self.called_from_command_line = called_from_command_line
-        if PY314 and not PY315:
-            kwargs.setdefault("suggest_on_error", True)
+        if PY314:
+            if not PY315:
+                kwargs.setdefault("suggest_on_error", True)
+            if os.environ.get("DJANGO_COLORS") == "nocolor" or "--no-color" in sys.argv:
+                kwargs.setdefault("color", False)
         super().__init__(**kwargs)
 
     def parse_args(self, args=None, namespace=None):

docs/releases/5.2.10.txt

@@ -9,4 +9,6 @@ Django 5.2.10 fixes several bugs in 5.2.9.
 Bugfixes
 ========
 
-* ...
+* Fixed a bug where management command colorized help (introduced in
+  Python 3.14) ignored the :option:`--no-color` option and the
+  :envvar:`DJANGO_COLORS` setting (:ticket:`36376`).

docs/releases/6.0.1.txt

@@ -16,3 +16,7 @@ Bugfixes
 * Fixed a regression in Django 6.0 that prevented changing the name of a
   :class:`~django.db.models.ManyToManyField` from taking effect when applying
   migrations (:ticket:`36800`).
+
+* Fixed a bug where management command colorized help (introduced in
+  Python 3.14) ignored the :option:`--no-color` option and the
+  :envvar:`DJANGO_COLORS` setting (:ticket:`36376`).

tests/user_commands/tests.py

@@ -470,6 +470,34 @@ class CommandTests(SimpleTestCase):
         )
         self.assertFalse(parser.suggest_on_error)
 
+    @unittest.skipUnless(PY314, "Only relevant for Python 3.14+")
+    def test_color_enabled_by_default(self):
+        with mock.patch.dict(os.environ, {}, clear=True):
+            command = BaseCommand()
+            parser = command.create_parser("prog_name", "subcommand")
+            self.assertTrue(parser.color)
+
+    @unittest.skipUnless(PY314, "Only relevant for Python 3.14+")
+    def test_color_disabled_with_django_colors_nocolor(self):
+        with mock.patch.dict(os.environ, {"DJANGO_COLORS": "nocolor"}):
+            command = BaseCommand()
+            parser = command.create_parser("prog_name", "subcommand")
+            self.assertFalse(parser.color)
+
+    @unittest.skipUnless(PY314, "Only relevant for Python 3.14+")
+    def test_force_color_does_not_affect_argparse_color(self):
+        with mock.patch.dict(os.environ, {}, clear=True):
+            command = BaseCommand(force_color=True)
+            parser = command.create_parser("prog_name", "subcommand")
+            self.assertTrue(parser.color)
+
+    @unittest.skipUnless(PY314, "Only relevant for Python 3.14+")
+    def test_no_color_flag_disables_color(self):
+        with mock.patch.object(sys, "argv", ["manage.py", "mycommand", "--no-color"]):
+            command = BaseCommand()
+            parser = command.create_parser("manage.py", "mycommand")
+            self.assertFalse(parser.color)
+
 
 class CommandRunTests(AdminScriptTestCase):
     """