views.py:
from .models import Classname
from .serializers import ClassSerializer, UserSerializer
from rest_framework import generics, permissions, renderers
from rest_framework.decorators import api_view
from .permissions import IsOwnerOrReadOnly
from rest_framework.response import Response
from django.contrib.auth.models import User
from rest_framework.reverse import reverse
@api_view(('GET',))
def api_root(request, format=None):
return Response({
'users': reverse('userlist', request=request, format=format),
'fab': reverse('classlist', request=request, format=format)
})
class ClassList(generics.ListCreateAPIView):
queryset = Classname.objects.all()
serializer_class = ClassSerializer
permission_classes = (permissions.IsAuthenticatedOrReadOnly,)
def perform_create(self, serializer):
serializer.save(owner=self.request.user)
class ClassDetail(generics.RetrieveUpdateDestroyAPIView):
queryset = User.objects.all()
serializer_class = UserSerializer
permission_classes = (permissions.IsAuthenticatedOrReadOnly, IsOwnerOrReadOnly,)
class UserList(generics.ListAPIView):
queryset = User.objects.all()
serializer_class = UserSerializer
class UserDetail(generics.RetrieveAPIView):
queryset = User.objects.all()
serializer_class = UserSerializer
class ClassHighlight(generics.GenericAPIView):
queryset = Classname.objects.all()
renderer_classes = (renderers.StaticHTMLRenderer,)
def get(self, request, *args, **kwargs):
fab = self.get_object()
return Response(fab.highlighted)
urls.py:
from django.conf.urls import url
from rest_framework import renderers
from . import views
urlpatterns = [
url(r'^$', views.api_root),
url(r'^classlist/$', views.ClassList.as_view(), name = 'classlist'),
url(r'^class/(?P<pk>[0-9]+)/highlight/$', views.ClassHighlight.as_view()),
url(r'^classdetail/(?P<pk>[0-9]+)/$', views.ClassDetail.as_view(), name = 'classdetail'),
url(r'^userlist/$', views.UserList.as_view(), name='userlist'),
url(r'^userdetail/$', views.UserDetail.as_view(), name='userdetail'),
]
这是我的完整追溯:
Environment:
Request Method: GET
Request URL: http://127.0.0.1:8000/how/
Django Version: 1.8.3
Python Version: 3.4.3
Installed Applications:
('django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'fab')
Installed Middleware:
('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',
'django.middleware.security.SecurityMiddleware')
Traceback:
File "C:\Users\User\dem\venv\lib\site- packages\django\core\handlers\base.py" in get_response
132. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\User\dem\venv\lib\site-packages\django\views\decorators\csrf.py" in wrapped_view
58. return view_func(*args, **kwargs)
File "C:\Users\User\dem\venv\lib\site-packages\django\views\generic\base.py" in view
71. return self.dispatch(request, *args, **kwargs)
File "C:\Users\User\dem\venv\lib\site-packages\rest_framework\views.py" in dispatch
456. response = self.handle_exception(exc)
File "C:\Users\User\dem\venv\lib\site-packages\rest_framework\views.py" in dispatch
453. response = handler(request, *args, **kwargs)
File "C:\Users\User\dem\venv\lib\site-packages\rest_framework\decorators.py" in handler
50. return func(*args, **kwargs)
File "C:\Users\User\dem\try\howsthat\fab\views.py" in api_root
16. 'users': reverse('userlist', request=request, format=format),
File "C:\Users\User\dem\venv\lib\site-packages\rest_framework\reverse.py" in reverse
26. return _reverse(viewname, args, kwargs, request, format, **extra)
File "C:\Users\User\dem\venv\lib\site-packages\rest_framework\reverse.py" in _reverse
37. url = django_reverse(viewname, args=args, kwargs=kwargs, **extra)
File "C:\Users\User\dem\venv\lib\site-packages\django\core\urlresolvers.py" in reverse
579. return force_text(iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs)))
File "C:\Users\User\dem\venv\lib\site-packages\django\core\urlresolvers.py" in _reverse_with_prefix
496. (lookup_view_s, args, kwargs, len(patterns), patterns))
Exception Type: NoReverseMatch at /how/
Exception Value: Reverse for 'userlist' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []
当我尝试在我的views.py文件中添加'api_root'
视图时,它显示上面的错误。因为我在urls.py中也使用了命名空间,我不知道它为什么会抛出这个错误?
请帮我解决....
谢谢!提前......
答案 0 :(得分:5)
尝试包含您在添加urls.py时使用的命名空间。
reverse('how:userlist', request=request, format=format),