我正在发送一个 PATCH 请求(自然地)传递一个 pk,我得到一个 TypeError: patch() got an unexpected keyword argument 'pk'
这些是我发送的请求参数:
Request URL: http://localhost:8000/api/task/toggle-done/1/
Request headers: {'Authorization': 'Token 13f2f18ea582e9c585c817ba52358b5b19e696a8', 'Content-Type': 'application/json', 'Content-Length': '0'}
Request method: PATCH
Request body: None
这是 URL 模式:
path('task/toggle-done/<int:pk>/', TaskToggleDoneAPIView.as_view(), name='task_toggle_done'),
这是TaskToggleDoneAPIView
实现
class TaskToggleDoneAPIView(generics.UpdateAPIView):
http_method_names = ['patch']
authentication_classes = [TokenAuthentication]
permission_classes = [permissions.IsAuthenticated,IsObjectOwner]
queryset = Task.objects.all()
lookup_field = 'pk'
serializer_class = TaskSerializer
def patch(self, request,):
instance = self.get_object()
instance.done = not instance.done
instance.save()
serializer = self.get_serializer(instance)
return Response(serializer.data)
这是我收到的错误:
gtd-api-1 | Internal Server Error: /api/task/toggle-done/1/
gtd-api-1 | Traceback (most recent call last):
gtd-api-1 | File "/usr/local/lib/python3.8/dist-packages/django/core/handlers/exception.py", line 47, in inner
gtd-api-1 | response = get_response(request)
gtd-api-1 | File "/usr/local/lib/python3.8/dist-packages/django/core/handlers/base.py", line 181, in _get_response
gtd-api-1 | response = wrapped_callback(request, *callback_args, **callback_kwargs)
gtd-api-1 | File "/usr/local/lib/python3.8/dist-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
gtd-api-1 | return view_func(*args, **kwargs)
gtd-api-1 | File "/usr/local/lib/python3.8/dist-packages/django/views/generic/base.py", line 70, in view
gtd-api-1 | return self.dispatch(request, *args, **kwargs)
gtd-api-1 | File "/usr/local/lib/python3.8/dist-packages/rest_framework/views.py", line 509, in dispatch
gtd-api-1 | response = self.handle_exception(exc)
gtd-api-1 | File "/usr/local/lib/python3.8/dist-packages/rest_framework/views.py", line 469, in handle_exception
gtd-api-1 | self.raise_uncaught_exception(exc)
gtd-api-1 | File "/usr/local/lib/python3.8/dist-packages/rest_framework/views.py", line 480, in raise_uncaught_exception
gtd-api-1 | raise exc
gtd-api-1 | File "/usr/local/lib/python3.8/dist-packages/rest_framework/views.py", line 506, in dispatch
gtd-api-1 | response = handler(request, *args, **kwargs)
gtd-api-1 | TypeError: patch() got an unexpected keyword argument 'pk'
gtd-api-1 | "PATCH /api/task/toggle-done/1/ HTTP/1.1" 500 78560
gtd-api-1 | Internal Server Error: /api/task/toggle-done/1/
gtd-api-1 | Traceback (most recent call last):
如果我一切顺利,lookup_field = 'pk'
应该妥善处理。
最佳答案
patch()
方法必须接收 pk
作为参数,因此:
class TaskToggleDoneAPIView(generics.UpdateAPIView):
http_method_names = ['patch']
authentication_classes = [TokenAuthentication]
permission_classes = [permissions.IsAuthenticated,IsObjectOwner]
queryset = Task.objects.all()
lookup_field = 'pk'
serializer_class = TaskSerializer
def patch(self, request, pk):
instance = self.get_object()
instance.done = not instance.done
instance.save()
serializer = self.get_serializer(instance)
return Response(serializer.data)
关于python - 'patch' 方法在收到 URL 中的 pk 时生成 500 错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/75501148/