我正在尝试使用django rest框架文档中描述的高级序列化器用法。http://django-rest-framework.org/api-guide/serializers.html#advanced-serializer-usage动态修改序列化程序字段
这是我的序列化程序类:
class MovieSerializer(serializers.ModelSerializer):
moviework_work = MovieWorkSerializer(many=True)
def __init__(self, *args, **kwargs):
# Don't pass the 'fields' arg up to the superclass
dropfields = kwargs.pop('dropfields', None)
# Instantiate the superclass normally
super(MovieSerializer, self).__init__(*args, **kwargs)
if dropfields:
# Drop fields specified in the `fields` argument.
banished = set(dropfields)
for field_name in banished:
self.fields.pop(field_name)
class Meta:
model = Movie
fields = ('field1','field2','moviework_work')
这是我的视图集
class MovieFromInterpreterViewSet(viewsets.ModelViewSet):
queryset = Movie.objects.all()
serializer_class = MovieSerializer(dropfields=('moviework_work',))
我得到这个错误:
TypeError: 'MovieSerializer' object is not callable
注意,您设置的
serializer_class
不是类,而是类的实例。您要么需要将dropfields
设置为类的属性(就像链接到的文档示例中的fields
那样),要么需要查看是否重写viewset(docs)的get_serializer
方法。相关问题 更多 >
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