Refs #34233 -- Used @functools.cache.

Python 3.9+ supports @functools.cache as an alias for
@functools.lru_cache(maxsize=None).

django/apps/registry.py

@@ -165,7 +165,7 @@ class Apps:
             raise LookupError(message)
 
     # This method is performance-critical at least for Django's test suite.
-    @functools.lru_cache(maxsize=None)
+    @functools.cache
     def get_models(self, include_auto_created=False, include_swapped=False):
         """
         Return a list of all installed models.
@@ -280,14 +280,14 @@ class Apps:
             raise LookupError("Model '%s.%s' not registered." % (app_label, model_name))
         return model
 
-    @functools.lru_cache(maxsize=None)
+    @functools.cache
     def get_swappable_settings_name(self, to_string):
         """
         For a given model string (e.g. "auth.User"), return the name of the
         corresponding settings name if it refers to a swappable model. If the
         referred model is not swappable, return None.
 
-        This method is decorated with lru_cache because it's performance
+        This method is decorated with @functools.cache because it's performance
         critical when it comes to migrations. Since the swappable settings don't
         change after Django has loaded the settings, there is no reason to get
         the respective settings attribute over and over again.

django/conf/urls/i18n.py

@@ -20,7 +20,7 @@ def i18n_patterns(*urls, prefix_default_language=True):
     ]
 
 
-@functools.lru_cache(maxsize=None)
+@functools.cache
 def is_language_prefix_patterns_used(urlconf):
     """
     Return a tuple of two booleans: (

django/contrib/auth/password_validation.py

@@ -17,7 +17,7 @@ from django.utils.translation import gettext as _
 from django.utils.translation import ngettext
 
 
-@functools.lru_cache(maxsize=None)
+@functools.cache
 def get_default_password_validators():
     return get_password_validators(settings.AUTH_PASSWORD_VALIDATORS)
 

django/contrib/staticfiles/finders.py

@@ -312,7 +312,7 @@ def get_finders():
         yield get_finder(finder_path)
 
 
-@functools.lru_cache(maxsize=None)
+@functools.cache
 def get_finder(import_path):
     """
     Import the staticfiles finder class described by import_path, where

django/core/management/__init__.py

@@ -49,7 +49,7 @@ def load_command_class(app_name, name):
     return module.Command()
 
 
-@functools.lru_cache(maxsize=None)
+@functools.cache
 def get_commands():
     """
     Return a dictionary mapping command names to their callback applications.

django/core/management/color.py

@@ -96,7 +96,7 @@ def make_style(config_string=""):
     return style
 
 
-@functools.lru_cache(maxsize=None)
+@functools.cache
 def no_style():
     """
     Return a Style object with no color scheme.

django/core/management/commands/loaddata.py

@@ -311,7 +311,7 @@ class Command(BaseCommand):
                 fixture_files_in_dir.append((candidate, fixture_dir, fixture_name))
         return fixture_files_in_dir
 
-    @functools.lru_cache(maxsize=None)
+    @functools.cache
     def find_fixtures(self, fixture_label):
         """Find fixture files for a given label."""
         if fixture_label == READ_STDIN:

django/db/models/fields/related.py

@@ -857,7 +857,7 @@ class ForeignObject(RelatedField):
         return self.get_reverse_path_info()
 
     @classmethod
-    @functools.lru_cache(maxsize=None)
+    @functools.cache
     def get_class_lookups(cls):
         bases = inspect.getmro(cls)
         bases = bases[: bases.index(ForeignObject) + 1]

django/db/models/query_utils.py

@@ -213,7 +213,7 @@ class RegisterLookupMixin:
     def _get_lookup(self, lookup_name):
         return self.get_lookups().get(lookup_name, None)
 
-    @functools.lru_cache(maxsize=None)
+    @functools.cache
     def get_class_lookups(cls):
         class_lookups = [
             parent.__dict__.get("class_lookups", {}) for parent in inspect.getmro(cls)

django/urls/converters.py

@@ -1,5 +1,5 @@
+import functools
 import uuid
-from functools import lru_cache
 
 
 class IntConverter:
@@ -57,7 +57,7 @@ def register_converter(converter, type_name):
     get_converters.cache_clear()
 
 
-@lru_cache(maxsize=None)
+@functools.cache
 def get_converters():
     return {**DEFAULT_CONVERTERS, **REGISTERED_CONVERTERS}
 

django/urls/resolvers.py

@@ -108,12 +108,12 @@ def get_resolver(urlconf=None):
     return _get_cached_resolver(urlconf)
 
 
-@functools.lru_cache(maxsize=None)
+@functools.cache
 def _get_cached_resolver(urlconf=None):
     return URLResolver(RegexPattern(r"^/"), urlconf)
 
 
-@functools.lru_cache(maxsize=None)
+@functools.cache
 def get_ns_resolver(ns_pattern, resolver, converters):
     # Build a namespaced resolver for the given parent URLconf pattern.
     # This makes it possible to have captured parameters in the parent

django/urls/utils.py

@@ -5,7 +5,7 @@ from django.core.exceptions import ViewDoesNotExist
 from django.utils.module_loading import module_has_submodule
 
 
-@functools.lru_cache(maxsize=None)
+@functools.cache
 def get_callable(lookup_view):
     """
     Return a callable corresponding to lookup_view.