content: import django_filters
  
  from django.utils.translation import gettext as _
  from netbox.filtersets import BaseFilterSet
  from utilities.filters import ContentTypeFilter, TreeNodeMultipleChoiceFilter
  from .models import *
  
  __all__ = (
      'ScopedFilterSet',
  )
  
  
  class ScopedFilterSet(BaseFilterSet):
      """
      Provides additional filtering functionality for location, site, etc.. for Scoped models.
      """
      scope_type = ContentTypeFilter()
      region_id = TreeNodeMultipleChoiceFilter(
          queryset=Region.objects.all(),
          field_name='_region',
          lookup_expr='in',
          label=_('Region (ID)'),
      )
      region = TreeNodeMultipleChoiceFilter(
          queryset=Region.objects.all(),
          field_name='_region',
          lookup_expr='in',
          to_field_name='slug',
          label=_('Region (slug)'),
      )
      site_group_id = TreeNodeMultipleChoiceFilter(
          queryset=SiteGroup.objects.all(),
          field_name='_site_group',
          lookup_expr='in',
          label=_('Site group (ID)'),
      )
      site_group = TreeNodeMultipleChoiceFilter(
          queryset=SiteGroup.objects.all(),
          field_name='_site_group',
          lookup_expr='in',
          to_field_name='slug',
          label=_('Site group (slug)'),
      )
      site_id = django_filters.ModelMultipleChoiceFilter(
          queryset=Site.objects.all(),
          field_name='_site',
          label=_('Site (ID)'),
      )
      site = django_filters.ModelMultipleChoiceFilter(
          field_name='_site__slug',
          queryset=Site.objects.all(),
          to_field_name='slug',
          label=_('Site (slug)'),
      )
      location_id = TreeNodeMultipleChoiceFilter(
          queryset=Location.objects.all(),
          field_name='_location',
          lookup_expr='in',
          label=_('Location (ID)'),
      )
      location = TreeNodeMultipleChoiceFilter(
          queryset=Location.objects.all(),
          field_name='_location',
          lookup_expr='in',
          to_field_name='slug',
          label=_('Location (slug)'),
      )
  