class LoginView(FormView):
    form_class = LoginForm
    template_name = 'accounts/login.html'
    success_url = reverse_lazy('home')

    def form_valid(self, form):
        request = self.request
        next_ = request.GET.get('next')
        next_post = request.POST.get('next')
        redirect_path = next_ or next_post or None
        email = form.cleaned_data.get('email')
        password = form.cleaned_data.get('password')
        user = authenticate(request, email=email, password=password)
        if user is not None:
            login(request, user)
            try:
                del request.session['guest_email_id']
            except:
                pass
            if is_safe_url(redirect_path, request.get_host()):
                return redirect(redirect_path)