Django REST框架-get_queryset:&x27;MyModel';对象没有属性';型号';
我在Django REST框架中编辑查询集时遇到问题。 基本上,我需要过滤查询并返回单个查询,因此我的DRF视图如下所示:Django REST框架-get_queryset:&x27;MyModel';对象没有属性';型号';,django,django-rest-framework,Django,Django Rest Framework,我在Django REST框架中编辑查询集时遇到问题。 基本上,我需要过滤查询并返回单个查询,因此我的DRF视图如下所示: class MyModelViewSet(viewsets.ModelViewSet): queryset = MyModel.objects.all() serializer_class = MyModelSerializer def get_queryset(self): start = self.kwargs['start']
class MyModelViewSet(viewsets.ModelViewSet):
queryset = MyModel.objects.all()
serializer_class = MyModelSerializer
def get_queryset(self):
start = self.kwargs['start']
end = self.kwargs['end']
qs, created = MyModel.objects.get_or_create(start=start, end=end)
return qs
因此,我返回单个模型实例,但当我尝试在DRF web界面上获得access true时,我得到一个错误“MyModel”对象没有属性“model”
回溯:
File "/Users/stay-wide-awake/code/env/lib/python3.4/site-packages/django/core/handlers/base.py" in get_response
132. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/stay-wide-awake/code/env/lib/python3.4/site-packages/django/views/decorators/csrf.py" in wrapped_view
58. return view_func(*args, **kwargs)
File "/Users/stay-wide-awake/code/env/lib/python3.4/site-packages/rest_framework/viewsets.py" in view
85. return self.dispatch(request, *args, **kwargs)
File "/Users/stay-wide-awake/code/env/lib/python3.4/site-packages/rest_framework/views.py" in dispatch
456. response = self.handle_exception(exc)
File "/Users/stay-wide-awake/code/env/lib/python3.4/site-packages/rest_framework/views.py" in dispatch
444. self.initial(request, *args, **kwargs)
File "/Users/stay-wide-awake/code/env/lib/python3.4/site-packages/rest_framework/views.py" in initial
359. self.check_permissions(request)
File "/Users/stay-wide-awake/code/env/lib/python3.4/site-packages/rest_framework/views.py" in check_permissions
304. if not permission.has_permission(request, self):
File "/Users/stay-wide-awake/code/asp/src/apps/api2/permission.py" in has_permission
34. perms = self.get_required_permissions(request.method, queryset.model)
Exception Type: AttributeError at /api/v2/geo/36.606111,-118.062778|36.578581,-120.291994/
Exception Value: 'MyModel' object has no attribute 'model'
路由器和所有其他部件正常(通过打印测试:)
如果您有任何提示,我们将不胜感激。通过
MyModel.objects.get\u或\u create(start=start,end=end)
收到的object
不是查询集,因此您将收到此错误
Django的get\u或\u create()
返回一个(object,created)
元组,其中object
是检索或创建的对象,created
是一个布尔值,指定是否创建了新对象
在get_queryset()
方法中,您正在将querysetqs
设置为接收到的对象,而实际上它是一个模型对象
get\u queryset()
应返回一个queryset
,而不是您正在执行的模型对象。
您可以执行以下操作:
def get_queryset(self):
start = self.kwargs['start']
end = self.kwargs['end']
mymodel_obj, created = MyModel.objects.get_or_create(start=start, end=end)
return MyModel.objects.filter(id=mymodel_obj.id) # returns a queryset now
通过MyModel.objects.get\u或\u create(start=start,end=end)
接收的对象
不是查询集,因此出现此错误
Django的get\u或\u create()
返回一个(object,created)
元组,其中object
是检索或创建的对象,created
是一个布尔值,指定是否创建了新对象
在get_queryset()
方法中,您正在将querysetqs
设置为接收到的对象,而实际上它是一个模型对象
get\u queryset()
应返回一个queryset
,而不是您正在执行的模型对象。
您可以执行以下操作:
def get_queryset(self):
start = self.kwargs['start']
end = self.kwargs['end']
mymodel_obj, created = MyModel.objects.get_or_create(start=start, end=end)
return MyModel.objects.filter(id=mymodel_obj.id) # returns a queryset now