change the superuser_required decorator to return 404

core/decorators.py

@@ -1,19 +1,10 @@
-from django.contrib.admin.views.decorators import user_passes_test
-from django.contrib.auth import REDIRECT_FIELD_NAME
+from django.http import Http404
 
 
-def superuser_required(view_func=None, redirect_field_name=REDIRECT_FIELD_NAME,
-                       login_url='account_login_url'):
-    """
-    Decorator for views that checks that the user is logged in and is a
-    superuser, redirecting to the login page if necessary.
-    https://stackoverflow.com/a/46318226/7723859
-    """
-    actual_decorator = user_passes_test(
-        lambda u: u.is_active and u.is_superuser,
-        login_url=login_url,
-        redirect_field_name=redirect_field_name
-    )
-    if view_func:
-        return actual_decorator(view_func)
-    return actual_decorator
+def superuser_required(old_function):
+    def new_function(request, *args, **kwargs):
+        if request.user.is_superuser:
+            return old_function(request)
+        else:
+            raise Http404
+    return new_function