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我正在使用 Knox 进行令牌身份验证。它在开发过程中运行良好，但现在我尝试在 PythonAnywhere 上进行部署，我得到标题中的错误：“TypeError：create() 采用 1 个位置参数，但给出了 2 个”。

这是完整的追溯：

2020-09-10 13:42:03,788: Internal Server Error: /api/auth/login
Traceback (most recent call last):
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
    response = get_response(request)
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/django/views/generic/base.py", line 71, in view
    return self.dispatch(request, *args, **kwargs)
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/rest_framework/views.py", line 505, in dispatch
    response = self.handle_exception(exc)
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/rest_framework/views.py", line 465, in handle_exception
    self.raise_uncaught_exception(exc)
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/rest_framework/views.py", line 476, in raise_uncaught_exception
    raise exc
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/rest_framework/views.py", line 502, in dispatch
    response = handler(request, *args, **kwargs)
  File "/home/<user>/<website>/registration/views.py", line 38, in post
    "token": AuthToken.objects.create(user)[1]
  File "/home/<user>/.virtualenvs/<website>/lib/python3.6/site-packages/django/db/models/manager.py", line 82, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
TypeError: create() takes 1 positional argument but 2 were given

我的registration.views（倒数第二行出现错误）：

class RegisterDetail(generics.GenericAPIView):
    serializer_class = RegisterSerializer

    def post(self, request, *args, **kwargs):
        serializer = self.get_serializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        user = serializer.save()
        return Response({
            "user": UserSerializer(user, context=self.get_serializer_context()).data,
            "token": AuthToken.objects.create(user)[1]
        })

class LoginDetail(generics.GenericAPIView):
    serializer_class = LoginSerializer

    def post(self, request, *args, **kwargs):
        serializer = self.get_serializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        user = serializer.validated_data
        return Response({
            "user": UserSerializer(user, context=self.get_serializer_context()).data,
            "token": AuthToken.objects.create(user)[1]
        })
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1 回答 1

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Queryset.Create只接受关键字参数。验证时不会发生该错误。它正在创建一个令牌，这意味着您有一些自动令牌创建，可能是续订或通过用户名/密码登录，然后创建一个令牌。

由于您的开发用户可能已经拥有令牌，因此您在开发期间不会看到错误。

于 2020-09-10T19:13:57.510 回答