content: from rest_framework import serializers
  
  from netbox.api.fields import RelatedObjectCountField
  from netbox.api.serializers import NestedGroupModelSerializer, NetBoxModelSerializer
  from tenancy.models import Tenant, TenantGroup
  from .nested import NestedTenantGroupSerializer
  
  __all__ = (
      'TenantGroupSerializer',
      'TenantSerializer',
  )
  
  
  class TenantGroupSerializer(NestedGroupModelSerializer):
      parent = NestedTenantGroupSerializer(required=False, allow_null=True)
      tenant_count = serializers.IntegerField(read_only=True, default=0)
  
      class Meta:
          model = TenantGroup
          fields = [
              'id', 'url', 'display_url', 'display', 'name', 'slug', 'parent', 'description', 'tags', 'custom_fields',
              'created', 'last_updated', 'tenant_count', 'comments', '_depth',
          ]
          brief_fields = ('id', 'url', 'display', 'name', 'slug', 'description', 'tenant_count', '_depth')
  
  
  class TenantSerializer(NetBoxModelSerializer):
      group = TenantGroupSerializer(nested=True, required=False, allow_null=True, default=None)
  
      # Related object counts
      circuit_count = RelatedObjectCountField('circuits')
      device_count = RelatedObjectCountField('devices')
      rack_count = RelatedObjectCountField('racks')
      site_count = RelatedObjectCountField('sites')
      ipaddress_count = RelatedObjectCountField('ip_addresses')
      prefix_count = RelatedObjectCountField('prefixes')
      vlan_count = RelatedObjectCountField('vlans')
      vrf_count = RelatedObjectCountField('vrfs')
      virtualmachine_count = RelatedObjectCountField('virtual_machines')
      cluster_count = RelatedObjectCountField('clusters')
  
      class Meta:
          model = Tenant
          fields = [
              'id', 'url', 'display_url', 'display', 'name', 'slug', 'group', 'description', 'comments', 'tags',
              'custom_fields', 'created', 'last_updated', 'circuit_count', 'device_count', 'ipaddress_count',
              'prefix_count', 'rack_count', 'site_count', 'virtualmachine_count', 'vlan_count', 'vrf_count',
              'cluster_count',
          ]
          brief_fields = ('id', 'url', 'display', 'name', 'slug', 'description')
  