Python/Django新手,从JavaScript转移过来。
尝试使用Django REST框架添加一个API端点,希望最终能够使用PATCH请求的正文更新用户,但现在我只是希望它不会抛出500错误。
我将以下内容添加到urlpatterns中:
url(r'update/$', views.UpdateView.as_view(), name="update_user"),
这应该会带来这个视图:
from django.contrib.auth.models import User
from rest_framework.generics import UpdateAPIView
from .serializers import UserSerializer
class UpdateView(UpdateAPIView):
queryset = User.objects.all()
serializer_class = UserSerializer
用户序列化器的代码如下:
class UserSerializer(serializers.ModelSerializer):
class Meta:
model = User
fields = ('username', 'pk', 'status')
每次访问该路由时,似乎都会出现这个问题:
TypeError at /api/update/
'BasePermissionMetaclass' object is not iterable
我不知道我在做什么 - 有人见过这个吗?
更新:完整的 Traceback:
Internal Server Error: /api/update/
Traceback (most recent call last):
File "path/to/myapp/env/lib/python2.7/site-packages/django/core/handlers/exception.py", line 41, in inner
response = get_response(request)
File "path/to/myapp/env/lib/python2.7/site-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)
File "path/to/myapp/env/lib/python2.7/site-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "path/to/myapp/env/lib/python2.7/site-packages/django/views/decorators/csrf.py", line 58, in wrapped_view
return view_func(*args, **kwargs)
File "path/to/myapp/env/lib/python2.7/site-packages/django/views/generic/base.py", line 68, in view
return self.dispatch(request, *args, **kwargs)
File "path/to/myapp/env/lib/python2.7/site-packages/rest_framework/views.py", line 495, in dispatch
response = self.handle_exception(exc)
File "path/to/myapp/env/lib/python2.7/site-packages/rest_framework/views.py", line 455, in handle_exception
self.raise_uncaught_exception(exc)
File "path/to/myapp/env/lib/python2.7/site-packages/rest_framework/views.py", line 483, in dispatch
self.initial(request, *args, **kwargs)
File "path/to/myapp/env/lib/python2.7/site-packages/rest_framework/views.py", line 401, in initial
self.check_permissions(request)
File "path/to/myapp/env/lib/python2.7/site-packages/rest_framework/views.py", line 333, in check_permissions
for permission in self.get_permissions():
File "path/to/myapp/env/lib/python2.7/site-packages/rest_framework/views.py", line 280, in get_permissions
return [permission() for permission in self.permission_classes]
TypeError: 'BasePermissionMetaclass' object is not iterable
PERMISSION_CLASSES
配置。 - SachinREST_FRAMEWORK = { 'DEFAULT_AUTHENTICATION_CLASSES': ( 'rest_framework.authentication.TokenAuthentication', ), 'DEFAULT_PERMISSION_CLASSES': ( 'rest_framework.permissions.IsAdminUser' ), }
- Jonathan Stevens