Adicionando campo que não está no modelo para serializador no framework Rango do Django
Eu tenho um modelo de comentário que quando criado pode ou não criar um novo usuário. Por esse motivo, minha API requer um campo de senha ao criar um novo comentário. Aqui está o meu modelo de comentário:
class Comment(models.Model):
commenter = models.ManyToManyField(Commenter)
email = models.EmailField(max_length=100)
author = models.CharField(max_length=100)
url = models.URLField(max_length=200)
content = models.TextField(blank=True, null=True)
ip = models.IPAddressField(max_length=45)
date = models.DateTimeField(default=datetime.now)
post_title = models.CharField(max_length=200)
post_url = models.URLField(max_length=200)
rating = models.IntegerField(max_length=10, default=0)
Aqui está a minha visualização da API:
class CommentNewView(CreateAPIView):
model = Comment
serializer_class = CommentCreateSerializer
Aqui está o meu serializador:
class CommentCreateSerializer(serializers.ModelSerializer):
commenter_pw = serializers.CharField(max_length=32, required=False)
class Meta:
model = Comment
fields = ('email', 'author', 'url', 'content', 'ip', 'post_title', 'post_url', 'commenter_pw')
Aqui está o erro que estou recebendo:
Environment:
Request Method: POST
Request URL: http://127.0.0.1:8000/api/comment/create/
Django Version: 1.5.2
Python Version: 2.7.2
Installed Applications:
('commentflow.apps.dashboard',
'commentflow.apps.commenter',
'commentflow.apps.comment',
'rest_framework',
'rest_framework.authtoken',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.staticfiles',
'django.contrib.admin',
'django.contrib.admindocs')
Installed Middleware:
('django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.locale.LocaleMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware')
Traceback:
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
115. response = callback(request, *callback_args, **callback_kwargs)
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/django/views/generic/base.py" in view
68. return self.dispatch(request, *args, **kwargs)
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/django/views/decorators/csrf.py" in wrapped_view
77. return view_func(*args, **kwargs)
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/rest_framework/views.py" in dispatch
327. response = self.handle_exception(exc)
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/rest_framework/views.py" in dispatch
324. response = handler(request, *args, **kwargs)
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/rest_framework/generics.py" in post
372. return self.create(request, *args, **kwargs)
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/rest_framework/mixins.py" in create
50. if serializer.is_valid():
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/rest_framework/serializers.py" in is_valid
479. return not self.errors
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/rest_framework/serializers.py" in errors
471. ret = self.from_native(data, files)
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/rest_framework/serializers.py" in from_native
867. instance = super(ModelSerializer, self).from_native(data, files)
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/rest_framework/serializers.py" in from_native
324. return self.restore_object(attrs, instance=getattr(self, 'object', None))
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/rest_framework/serializers.py" in restore_object
852. instance = self.opts.model(**attrs)
File "/Users/tlovett1/.virtualenvs/commentflow/lib/python2.7/site-packages/django/db/models/base.py" in __init__
415. raise TypeError("'%s' is an invalid keyword argument for this function" % list(kwargs)[0])
Exception Type: TypeError at /api/comment/create/
Exception Value: 'commenter_pw' is an invalid keyword argument for this function