我得到 'module' object is not callable in Django Rest Framework

Question

我正在尝试学习 api 的 django rest 框架。我正在按照文档检查所有导入，但出现类型错误：'module' object is not callable

Views.py

from rest_framework import viewsets
from .serializer import CategorySerializer
from .models import CategoryModel

class FirstView(viewsets.ModelViewSet):
    queryset = CategoryModel.objects.all().order_by('name')
    serializer_class = CategorySerializer

serializers.py

from rest_framework import serializers

from .models import CategoryModel

class CategorySerializer(serializers.ModelSerializer):
    class Meta:
        model = CategoryModel
        field = ['name', 'description']

urls.py

from django.urls import path, include

from rest_framework.routers import DefaultRouter
from . import views

router = DefaultRouter()

router.register(r'', views.FirstView)

urlpatterns = [
    path('', include(router.urls))
]

错误

Internal Server Error: /api/category/
Traceback (most recent call last):
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\django\core\handlers\exception.py", line 34, in inner
    response = get_response(request)
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\django\core\handlers\base.py", line 115, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\django\core\handlers\base.py", line 113, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\django\views\decorators\csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\rest_framework\viewsets.py", line 125, in view
    return self.dispatch(request, *args, **kwargs)
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\rest_framework\views.py", line 492, in dispatch
    request = self.initialize_request(request, *args, **kwargs)
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\rest_framework\viewsets.py", line 146, in initialize_request
    request = super().initialize_request(request, *args, **kwargs)
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\rest_framework\views.py", line 394, in initialize_request
    authenticators=self.get_authenticators(),
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\rest_framework\views.py", line 272, in get_authenticators
    return [auth() for auth in self.authentication_classes]
  File "C:\Users\aashu\.virtualenvs\lcodev-xFWoZVV6\lib\site-packages\rest_framework\views.py", line 272, in <listcomp>
    return [auth() for auth in self.authentication_classes]
TypeError: 'module' object is not callable

这是用于 DjangoRestFramework

的 settings.py

settings.py

REST_FRAMEWORK = {
     'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework.authentication.BasicAuthentication',
        'rest_framework.authentication.SessionAuthentication',
        'rest_framework.authtoken',
    ],
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly'
    ]
}

Answer 1

您的设置配置错误。 The manual says:

TokenAuthentication

..

To use the TokenAuthentication scheme you'll need to configure the authentication classes to include TokenAuthentication, and additionally include rest_framework.authtoken in your INSTALLED_APPS setting:
INSTALLED_APPS = [
    ...
    'rest_framework.authtoken'
]

rest_framework.authtoken 将被放入 INSTALLED_APPS，而不是 DEFAULT_AUTHENTICATION_CLASSES。不过，我不完全确定要将文档暗示的内容放入 DEFAULT_AUTHENTICATION_CLASSES 中；最有可能：

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [
        ...,
        'rest_framework.authentication.TokenAuthentication'
    ],
    ...
}

我得到 'module' object is not callable in Django Rest Framework

I'm getting 'module' object is not callable in Django Rest Framework

python

django

django-serializer

django-rest-framework

django-rest-viewsets

TokenAuthentication