我得到这个问题，任何帮助将不胜感激，我得到一个错误试图登录或注册。错误below. AttributeError at /sign-up 'WSGIRequest'对象没有属性'is_ AJAX '我知道该功能现在折旧，但我似乎不能解决这个问题。
mixins.py

class AjaxFormMixin(object):

    '''
    Mixin to ajaxify django form - can be over written in view by calling form_valid method
    '''

    def form_invalid(self, form):
        response = super(AjaxFormMixin, self).form_invalid(form)
        if self.request.is_ajax():
            message = FormErrors(form)
            return JsonResponse({'result': 'Error', 'message': message})
        return response

    def form_valid(self, form):
        response = super(AjaxFormMixin, self).form_valid(form)
        if self.request.is_ajax():
            form.save()
            return JsonResponse({'result': 'Success', 'message': ""})
        return response

views.py

def profile_view(request):
    '''
    function view to allow users to update their profile
    '''
    user = request.user
    up = user.userprofile

    form = UserProfileForm(instance=up)

    if request.is_ajax():
        form = UserProfileForm(data=request.POST, instance=up)
        if form.is_valid():
            obj = form.save()
            obj.has_profile = True
            obj.save()
            result = "Success"
            message = "Your profile has been updated"
        else:
            message = FormErrors(form)
        data = {'result': result, 'message': message}
        return JsonResponse(data)

    else:

        context = {'form': form}
        context['google_api_key'] = settings.GOOGLE_API_KEY
        context['base_country'] = settings.BASE_COUNTRY

        return render(request, 'users/profile.html', context)

class SignUpView(AjaxFormMixin, FormView):
    '''
    Generic FormView with our mixin for user sign-up with reCAPTURE security
    '''

    template_name = "users/sign_up.html"
    form_class = UserForm
    success_url = "/"

    # reCAPTURE key required in context
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context["recaptcha_site_key"] = settings.RECAPTCHA_PUBLIC_KEY
        return context

    # over write the mixin logic to get, check and save reCAPTURE score
    def form_valid(self, form):
        response = super(AjaxFormMixin, self).form_valid(form)
        if self.request.is_ajax():
            token = form.cleaned_data.get('token')
            captcha = reCAPTCHAValidation(token)
            if captcha["success"]:
                obj = form.save()
                obj.email = obj.username
                obj.save()
                up = obj.userprofile
                up.captcha_score = float(captcha["score"])
                up.save()

                login(self.request, obj,
                      backend='django.contrib.auth.backends.ModelBackend')

                # change result & message on success
                result = "Success"
                message = "Thank you for signing up"

            data = {'result': result, 'message': message}
            return JsonResponse(data)

        return response

class SignInView(AjaxFormMixin, FormView):
    '''
    Generic FormView with our mixin for user sign-in
    '''

    template_name = "users/sign_in.html"
    form_class = AuthForm
    success_url = "/"

    def form_valid(self, form):
        response = super(AjaxFormMixin, self).form_valid(form)
        if self.request.is_ajax():
            username = form.cleaned_data.get('username')
            password = form.cleaned_data.get('password')
            # attempt to authenticate user
            user = authenticate(
                self.request, username=username, password=password)
            if user is not None:
                login(self.request, user,
                      backend='django.contrib.auth.backends.ModelBackend')
                result = "Success"
                message = 'You are now logged in'
            else:
                message = FormErrors(form)
            data = {'result': result, 'message': message}
            return JsonResponse(data)
        return response

我知道有一个post with similar issue，但我有点挣扎，以修复我的结束。x1c 0d1x