def to_internal_value_single(self, data, serializer):
        """Return the underlying object, given the serialized form."""
        related_model = serializer.Meta.model
        if isinstance(data, related_model):
            return data
        try:
            instance = related_model.objects.get(pk=data)
        except related_model.DoesNotExist:
            raise ValidationError(
                "Invalid value for '%s': %s object with ID=%s not found" %
                (self.field_name, related_model.__name__, data)
            )
        return instance
def to_internal_value_single ( self , data , serializer ) : related_model = serializer . Meta . model if isinstance ( data , related_model ) : return data try : instance = related_model . objects . get ( pk = data ) except related_model . DoesNotExist : raise ValidationError ( "Invalid value for '%s': %s object with ID=%s not found" % ( self . field_name , related_model . __name__ , data ) ) return instance
Return the underlying object, given the serialized form.