问题描述
我想实施电子邮件验证,并且使它正常工作的方式似乎很笨拙,但似乎工作良好。我已经在函数的返回部分中创建了一个自定义响应,但是我不断收到以下错误:
I want to implement an email verification and the way I have got it working seems "hacky" but it seems to work good. I've created a custom response in the return portion of the function, but I keep getting the following error:
The response content must be rendered before it can be iterated over.
该过程是某人注册的标准,当我保存用户模型时,我有一个 send_mail()
函数,用于发送带有验证密钥的电子邮件。用户单击该链接,它会通过这样的密钥:
The process is the standard someone registers and when I go to save the User model I have a send_mail()
function that sends out the email with a verification key. The user clicks the link and it passes the key like this:
/api/account/verify/849c40665175e56709855cc7aec2b16c05a4d977b3b083790334c6bc01f6e522
在视图中,您可以看到我从哪里拔出钥匙并进行了所有处理。我猜错是因为我在 get_queryset()
中使用 Response()
,但是我不确定。如果没有,该如何创建自定义回复消息?
In the view you can see where I pull the key out and process everything. I'm guessing the error is because I'm using Response()
in get_queryset()
, but I'm not sure. If not, how do I create a custom response message?
版本
Python==2.7.10
Django==1.11.4
djangorestframework==3.6.3
模型
class User(AbstractBaseUser, PermissionsMixin):
email = models.EmailField(_('email address'), null=False, unique=True)
first_name = models.TextField(_('first name'), null=False)
last_name = models.TextField(_('last name'), null=False)
is_active = models.BooleanField(_('active'), default=False)
is_admin = models.BooleanField(_('admin'), default=False)
created_on = models.DateTimeField(_('create on'), auto_now_add=True)
updated_on = models.DateTimeField(_('updated on'), auto_now=True)
is_staff = models.BooleanField(_('staff'), default=False)
activation_key = models.CharField(_('email validation key'), default='', max_length=256)
查看
class ActivateViewSet(generics.ListAPIView):
queryset = User.objects
serializer_class = ActivationSerializer
def get_queryset(self):
activation_key = self.kwargs['activation_key']
if User.objects.all().filter(activation_key=activation_key).exists():
User.objects.all().filter(activation_key=activation_key).update(is_active=True)
return Response({'message': 'key accepted'}, status=status.HTTP_204_NO_CONTENT)
raise NotFound('activation key not found')
序列化器
class ActivationSerializer(serializers.ModelSerializer):
class Meta:
model = User
fields = ('email',)
跟踪
文件_get_response
187中的 /Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/django/core/handlers/base.py。response = self.process_exception_by_middleware(e,request)
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/django/core/handlers/base.py" in _get_response 187. response = self.process_exception_by_middleware(e, request)
_get_response $ b中的文件 /Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/django/core/handlers/base.py $ b185。响应= wraped_callback(request,* callback_args,** callback_kwargs)
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/django/core/handlers/base.py" in _get_response 185. response = wrapped_callback(request, *callback_args, **callback_kwargs)
文件 /Users/*/.virtualenvs/video_env/lib/python2.7/在wrapd_view
58中返回 site-packages / django / views / decorators / csrf.py。return view_func(* args,** kwargs)
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/django/views/decorators/csrf.py" in wrapped_view 58. return view_func(*args, **kwargs)
文件 /视图
中的Users / * /。virtualenvs / video_env / lib / python2.7 / site-packages / django / views / generic / base.py68。return self.dispatch(request,* args,** kwargs )
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/django/views/generic/base.py" in view 68. return self.dispatch(request, *args, **kwargs)
文件$ / b $ b 489中的文件 /Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/views.py。response = self.handle_exception(exc)
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/views.py" in dispatch 489. response = self.handle_exception(exc)
handle_exception
449中的 /Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/views.py文件。 raise_uncaught_exception(exc)
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/views.py" in handle_exception 449. self.raise_uncaught_exception(exc)
文件 /Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/views.py b $ b486。response = handler(request,* args,** kwargs)
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/views.py" in dispatch 486. response = handler(request, *args, **kwargs)
File /Users/*/.virtualenvs/video_env/lib/python2.7 /site-packages/rest_framework/generics.py中获得
201。return self.list(request,* args,** kwargs)
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/generics.py" in get 201. return self.list(request, *args, **kwargs)
File /Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/mixins.py在列表
中48。return Response(serializer.data)
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/mixins.py" in list 48. return Response(serializer.data)
文件 /Users/*/.virtualenvs/video_env/lib/python2.7/s ite-packages / rest_framework / serializers.py放在数据
739中。ret = super(ListSerializer,self).data
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/serializers.py" in data 739. ret = super(ListSerializer, self).data
文件 / Users / * / .virtualenvs / video_env / lib / python2.7 / site-packages / rest_framework / serializers.py放入数据
263。self._data = self.to_representation(self.instance)
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/serializers.py" in data 263. self._data = self.to_representation(self.instance)
to_representation
657中的文件 /Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/serializers.py。self.child.to_representation(item)用于可迭代的项目
File "/Users/*/.virtualenvs/video_env/lib/python2.7/site-packages/rest_framework/serializers.py" in to_representation 657. self.child.to_representation(item) for item in iterable
文件 /Users/*y/.virtualenvs/video_env/lib/python2.7/site-packages/django/template/response.py在 iter
121中。必须先呈现响应内容,然后才能对其进行迭代。
File "/Users/*y/.virtualenvs/video_env/lib/python2.7/site-packages/django/template/response.py" in iter 121. 'The response content must be rendered before it can be iterated over.'
异常类型:ContentNotRenderedError,位于/ api / account / activate / 849c40665175e56709855cc7aec2b16c05a4d977b3b083790334c6bc01f6e522 /
异常值:必须呈现响应内容
Exception Type: ContentNotRenderedError at /api/account/activate/849c40665175e56709855cc7aec2b16c05a4d977b3b083790334c6bc01f6e522/ Exception Value: The response content must be rendered before it can be iterated over.
推荐答案
get_queryset
期望返回类型为 queryset
而不是 Response
对象。您需要将代码更改为类似
get_queryset
expects a return type to be a queryset
not a Response
object. You need to change your code to something like
def get_queryset(self):
activation_key = self.kwargs['activation_key']
if User.objects.all().filter(activation_key=activation_key).exists():
users = User.objects.all().filter(activation_key=activation_key)
.update(is_active=True)
return user
现在,因为您要发送自定义响应,则无法在 get_queryset
中完成。您必须重写序列化器的create方法。以下是有关如何覆盖此内容的一般示例。
Now since you want to send a custom response it can't be done in get_queryset
. You have to override your serializer's create method. Below is a general example for how to override this.
def create(self, request, *args, **kwargs):
serializer = self.get_serializer(data=request.data)
if not serializer.is_valid(raise_exception=False):
return Response({"Fail": "blablal", status=status.HTTP_400_BAD_REQUEST)
self.perform_create(serializer)
headers = self.get_success_headers(serializer.data)
return Response({"Success": "msb blablabla"}, status=status.HTTP_201_CREATED, headers=headers)
这篇关于Django Rest-创建自定义响应消息时出错的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!