Refs #35405 -- Removed FieldCacheMixin.get_cache_name() per deprecation timeline.

django/db/models/fields/mixins.py

@@ -1,7 +1,4 @@
-import warnings
-
 from django.core import checks
-from django.utils.deprecation import RemovedInDjango60Warning
 from django.utils.functional import cached_property
 
 NOT_PROVIDED = object()
@@ -15,22 +12,9 @@ class FieldCacheMixin:
     typically the field’s name.
     """
 
-    # RemovedInDjango60Warning.
-    def get_cache_name(self):
-        raise NotImplementedError
-
     @cached_property
     def cache_name(self):
-        # RemovedInDjango60Warning: when the deprecation ends, replace with:
-        # raise NotImplementedError
-        cache_name = self.get_cache_name()
-        warnings.warn(
-            f"Override {self.__class__.__qualname__}.cache_name instead of "
-            "get_cache_name().",
-            RemovedInDjango60Warning,
-            stacklevel=3,
-        )
-        return cache_name
+        raise NotImplementedError
 
     def get_cached_value(self, instance, default=NOT_PROVIDED):
         try:

docs/releases/6.0.txt

@@ -316,3 +316,5 @@ to remove usage of these features.
 * The setter for ``django.contrib.gis.gdal.OGRGeometry.coord_dim`` is removed.
 
 * The ``check`` keyword argument of ``CheckConstraint`` is removed.
+
+* The ``get_cache_name()`` method of ``FieldCacheMixin`` is removed.

tests/model_fields/test_mixins.py

@@ -1,17 +1,10 @@
 from django.db.models.fields.mixins import FieldCacheMixin
 from django.test import SimpleTestCase
-from django.utils.deprecation import RemovedInDjango60Warning
 from django.utils.functional import cached_property
 
 from .models import Foo
 
 
-# RemovedInDjango60Warning.
-class ExampleOld(FieldCacheMixin):
-    def get_cache_name(self):
-        return "example"
-
-
 class Example(FieldCacheMixin):
     @cached_property
     def cache_name(self):
@@ -23,21 +16,9 @@ class FieldCacheMixinTests(SimpleTestCase):
         self.instance = Foo()
         self.field = Example()
 
-    # RemovedInDjango60Warning: when the deprecation ends, replace with:
-    # def test_cache_name_not_implemented(self):
-    #   with self.assertRaises(NotImplementedError):
-    #       FieldCacheMixin().cache_name
-    def test_get_cache_name_not_implemented(self):
+    def test_cache_name_not_implemented(self):
         with self.assertRaises(NotImplementedError):
-            FieldCacheMixin().get_cache_name()
-
-    # RemovedInDjango60Warning.
-    def test_get_cache_name_deprecated(self):
-        msg = "Override ExampleOld.cache_name instead of get_cache_name()."
-        with self.assertWarnsMessage(RemovedInDjango60Warning, msg) as ctx:
-            result = ExampleOld().cache_name
-        self.assertEqual(result, "example")
-        self.assertEqual(ctx.filename, __file__)
+            FieldCacheMixin().cache_name
 
     def test_cache_name(self):
         result = Example().cache_name