Use get_list_filter on ModelAdmin.lookup_allowed

[Jakub Boukal]

Hi,

I have a model and admin panel like so

# models.py
class Foo(models.Model):
    bar = models.CharField(max_length=50)
    user = models.ForeignKey(User, on_delete=models.CASCADE)


# admin.py
@admin.register(models.Foo)
class FooAdmin(admin.ModelAdmin):
    list_filter = ['bar']

    def get_list_filter(self, request):
        if request.user.is_superuser:
            return self.list_filter + ['user__groups']
        return self.list_filter

After creating Foo object and assigning user to group I've tried to filter on user's groups but I get HTTP:400 DisallowedModelAdminLookup.

I believe this is because BaseModelAdmin.lookup_allowed checks if the lookup exists in self.list_filter but doesn't call a hook self.get_list_filter

​link

[Mariusz Felisiak]

Duplicate of #22569.