关于django：错误’NoneType’对象没有属性’__dict__’

error 'NoneType' object has no attribute 'dict'

我遇到了这个错误，它不允许我将信息保存在表单中。最初的数据在表单中显示得很好，但是保存对我来说是个挑战。希望有人能帮忙，我真的被卡住了

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class UserPostCreatView(CreateView):
form_class = PostModelForm
template_name = 'posts/post_form.html'
success_url ="/profile/{user_slug}/wall"

def get_initial(self):
# Get the initial dictionary from the superclass method
initial = super(UserPostCreatView, self).get_initial()
user_slug = self.kwargs.get('user_slug')
user_content_type = ContentType.objects.get_for_model(authomodel.User)
auth_user = get_object_or_404(authomodel.User, user_slug=user_slug)
auth_user_id = auth_user.id
# Copy the dictionary so we don't accidentally change a mutable dict
initial = initial.copy()
initial = {
"content_type": user_content_type,
"object_id" : auth_user_id,
}
return initial

def form_valid(self, form):
return HttpResponseRedirect(self.get_success_url())

def get_form_kwargs(self):
"""
Returns the keyword arguments for instantiating the form.
"""
kwargs = {
'initial': self.get_initial(),
}

if self.request.method in ('POST', 'PUT'):
kwargs.update({
'data': self.request.POST or None,
'files': self.request.FILES or None})
return kwargs

def get_form_class(self):
return self.form_class

Traceback:

File"C:\Program
Files\Python35\lib\site-packages\django\core\handlers\exception.py" in
inner
41. response = get_response(request)

File"C:\Program
Files\Python35\lib\site-packages\django\core\handlers\base.py" in
_legacy_get_response
249. response = self._get_response(request)

File"C:\Program
Files\Python35\lib\site-packages\django\core\handlers\base.py" in
_get_response
187. response = self.process_exception_by_middleware(e, request)

File"C:\Program
Files\Python35\lib\site-packages\django\core\handlers\base.py" in
_get_response
185. response = wrapped_callback(request, *callback_args, **callback_kwargs)

File"C:\Program
Files\Python35\lib\site-packages\django\views\generic\base.py" in view
68. return self.dispatch(request, *args, **kwargs)

File"C:\Program
Files\Python35\lib\site-packages\django\views\generic\base.py" in
dispatch
88. return handler(request, *args, **kwargs)

File"C:\Program
Files\Python35\lib\site-packages\django\views\generic\edit.py" in post
217. return super(BaseCreateView, self).post(request, *args, **kwargs)

File"C:\Program
Files\Python35\lib\site-packages\django\views\generic\edit.py" in post
183. return self.form_valid(form)

File
"C:\Users\wahab\Desktop\site1\ostra\ostrakodecommerce\posts\views.py"
in form_valid
207. return HttpResponseRedirect(self.get_success_url())

File"C:\Program
Files\Python35\lib\site-packages\django\views\generic\edit.py" in
get_success_url
148. url = self.success_url.format(**self.object.dict)

Exception Type: AttributeError at /profile/-.1/create Exception Value:
'NoneType' object has no attribute 'dict'

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关于django：错误’NoneType’对象没有属性’dict’

error 'NoneType' object has no attribute 'dict'

error 'NoneType' object has no attribute '__dict__'

error 'NoneType' object has no attribute 'dict'