Method to_internal_value

rest_framework/fields.py:1954–1958

(self, data)

                MaxLengthValidator(self.max_length, message=message))

    def to_internal_value(self, data):
        rel = self.model_field.remote_field
        if rel is not None:
            return rel.model._meta.get_field(rel.field_name).to_python(data)
        return self.model_field.to_python(data)

    def get_attribute(self, obj):
        # We pass the object instance onto `to_representation`,