content: from rest_framework import serializers
  
  from dcim.models import Platform
  from extras.api.serializers_.configtemplates import ConfigTemplateSerializer
  from netbox.api.serializers import NestedGroupModelSerializer
  from .manufacturers import ManufacturerSerializer
  from .nested import NestedPlatformSerializer
  
  __all__ = (
      'PlatformSerializer',
  )
  
  
  class PlatformSerializer(NestedGroupModelSerializer):
      parent = NestedPlatformSerializer(required=False, allow_null=True, default=None)
      manufacturer = ManufacturerSerializer(nested=True, required=False, allow_null=True)
      config_template = ConfigTemplateSerializer(nested=True, required=False, allow_null=True, default=None)
  
      # Related object counts
      device_count = serializers.IntegerField(read_only=True, default=0)
      virtualmachine_count = serializers.IntegerField(read_only=True, default=0)
  
      class Meta:
          model = Platform
          fields = [
              'id', 'url', 'display_url', 'display', 'parent', 'name', 'slug', 'manufacturer', 'config_template',
              'description', 'comments', 'tags', 'custom_fields', 'created', 'last_updated', 'device_count',
              'virtualmachine_count', '_depth',
          ]
          brief_fields = (
              'id', 'url', 'display', 'name', 'slug', 'description', 'device_count', 'virtualmachine_count', '_depth',
          )
  