refactor: Remove guardian ObjectPermissionChecker monkey patch

strawberry_django/integrations/guardian.py

@@ -1,22 +1,16 @@
 import contextlib
 import dataclasses
-import weakref
-from typing import Optional, Type, Union, cast
+from typing import Type, Union, cast
 
 from django.contrib.auth import get_user_model
-from django.contrib.auth.models import Group
 from django.db import models
-from guardian import backends as _guardian_backends
 from guardian.conf import settings as guardian_settings
-from guardian.core import ObjectPermissionChecker as _ObjectPermissionChecker
 from guardian.models.models import GroupObjectPermissionBase, UserObjectPermissionBase
 from guardian.utils import get_anonymous_user as _get_anonymous_user
 from guardian.utils import get_group_obj_perms_model, get_user_obj_perms_model
 
 from strawberry_django.utils.typing import UserType
 
-_cache = weakref.WeakKeyDictionary()
-
 
 @dataclasses.dataclass
 class ObjectPermissionModels:
@@ -39,18 +33,3 @@ def get_user_or_anonymous(user: UserType) -> UserType:
         with contextlib.suppress(get_user_model().DoesNotExist):
             return cast(UserType, _get_anonymous_user())
     return user
-
-
-class ObjectPermissionChecker(_ObjectPermissionChecker):
-    def __new__(cls, user_or_group: Optional[Union[UserType, Group]] = None):
-        if user_or_group is not None and user_or_group in _cache:
-            return _cache[user_or_group]
-
-        obj = _ObjectPermissionChecker(user_or_group=user_or_group)
-        _cache[user_or_group] = obj
-
-        return obj
-
-
-# Use our implementation that reuses the checker for the same user/group
-_guardian_backends.ObjectPermissionChecker = ObjectPermissionChecker