我试图通过Django Rest框架更新一个连接到Django中多个manyField的超链接延迟字段,并得到一个成功的PUT(状态200),它忽略了我的HyperlinkedRelatedField数据。我显然漏掉了什么,但是呢?在
#models.py
class Product(models.Model):
name = models.CharField(_('Name'),)
number = models.IntegerField(_('Number'),)
slug = models.SlugField(_('Slug'),)
class UserPrefs(models.Model):
other_prefs = models.CharField(_('Other Prefs'))
favorite_products = models.ManyToManyField(
Product,
blank = True)
#views.py
class UserPrefsViewSet(viewsets.ModelViewSet):
permission_classes = (
permissions.IsAuthenticated,
)
serializer_class = UserPrefsSerializer
def get_queryset(self):
user = self.request.user
return UserPrefs.objects.filter(user=user)
#serializers.py
class ProductSerializer(serializers.HyperlinkedModelSerializer):
class Meta:
model = Product
fields = (
'url',
'name',
'number',
'slug',
)
extra_kwargs = {
'url': {'lookup_field': 'slug'}
}
class UserPrefsSerializer(serializers.HyperlinkedModelSerializer):
favorite_products = serializers.HyperlinkedRelatedField(
queryset = Product.objects.all(),
many = True,
read_only = False,
view_name = 'product-detail',
lookup_field = 'slug',)
class Meta:
model = UserPrefs
fields = (
'url',
'other_prefs',
'favorite_products',
)
例如,从命令行使用httpie,my PUT:
^{pr2}$…结果是:
HTTP/1.0 200 OK
{
"favorite_products": [],
"url": "http://localhost:8000/api_v2/userprefs/1/"
}
似乎您没有重写UserPrefsSerializer()的create()方法。
请检查Writable nested serializers
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