33from django .utils .translation import ugettext_lazy as _
44from rest_framework .exceptions import ParseError
55from rest_framework .serializers import * # noqa: F403
6+ from rest_framework .fields import Field
67
78from rest_framework_json_api .helpers import ResourceIdentifier
89from rest_framework_json_api .exceptions import Conflict
1617)
1718
1819
19- class ResourceIdentifierSerializer ( Serializer ):
20+ class ResourceIdentifierField ( Field ):
2021 """ Serializer for 'pointers' to resources in the JSON document """
2122 id = CharField (max_length = 64 )
2223 type = CharField (max_length = 256 )
@@ -27,11 +28,10 @@ class ResourceIdentifierSerializer(Serializer):
2728
2829 def __init__ (self , * args , ** kwargs ):
2930 self .expected_types = kwargs .pop ('expected_types' , None )
30- super (ResourceIdentifierSerializer , self ).__init__ (* args , ** kwargs )
31+ super (ResourceIdentifierField , self ).__init__ (* args , ** kwargs )
3132
3233 def to_internal_value (self , data ):
33- ret = super (ResourceIdentifierSerializer , self ).to_internal_value (data )
34- return ResourceIdentifier (ret ['type' ], ret ['id' ])
34+ return ResourceIdentifier (data ['type' ], data ['id' ])
3535
3636 def validate_type (self , resource_type ):
3737 if self .expected_types is not None and resource_type not in self .expected_types :
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