我是Django休息框架的初学者。我有一个问题,从很长一段时间以来,我试图找到一个解决办法,通过许多论坛,但不幸的是,我没有成功。希望你能帮助我
在模型.py在
from __future__ import unicode_literals
from django.contrib.auth.models import User
from django.db import models
class Account(models.Model):
my_user=models.OneToOneField(User,on_delete=models.CASCADE)
statut=models.CharField(max_length=80)
date=models.DateField(auto_now=True,auto_now_add=False)
def __unicode__(self):
return self.my_user.first_name
现在我要更新帐户序列化程序。 序列化程序.py
^{pr2}$追溯: 环境:
Request Method: PUT
Request URL: http://127.0.0.1:9000/api/account/edit/1/
Django Version: 1.9
Python Version: 2.7.6
Installed Applications:
['django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'project',
'sponsors',
'contacts',
'medias',
'conferencier',
'competition',
'poste',
'account']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware']
Traceback:
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
149. response = self.process_exception_by_middleware(e, request)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
147. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/django/views/decorators/csrf.py" in wrapped_view
58. return view_func(*args, **kwargs)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/django/views/generic/base.py" in view
68. return self.dispatch(request, *args, **kwargs)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/rest_framework/views.py" in dispatch
474. response = self.handle_exception(exc)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/rest_framework/views.py" in handle_exception
434. self.raise_uncaught_exception(exc)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/rest_framework/views.py" in dispatch
471. response = handler(request, *args, **kwargs)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/rest_framework/generics.py" in put
256. return self.update(request, *args, **kwargs)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/rest_framework/mixins.py" in update
70. self.perform_update(serializer)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/rest_framework/mixins.py" in perform_update
74. serializer.save()
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/rest_framework/serializers.py" in save
187. self.instance = self.update(self.instance, validated_data)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/rest_framework/serializers.py" in update
907. setattr(instance, attr, value)
File "/home/asus/Documents/Gsource/gsource/local/lib/python2.7/site-packages/django/db/models/fields/related_descriptors.py" in __set__
207. self.field.remote_field.model._meta.object_name,
Exception Type: ValueError at /api/account/edit/1/
Exception Value: Cannot assign "{u'username': u'kais'}": "Account.my_user" must be a "User" instance.
未调用您的
update
方法,因为它是序列化程序(AccountUpdateSerializer.Meta
)的元类的方法,而不是序列化程序类AccountUpdateSerializer
本身的方法。在以下是它的外观:
(或者你刚刚错误地发布了你的代码?)在
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