views.py 文件源码

def form_invalid(self, form):
        """
        The user has provided invalid credentials (this was checked in
        AuthenticationForm.is_valid()). So now we set the test cookie again
        and re-render the form with errors.
        """
        self.set_test_cookie()
        if form.has_error(NON_FIELD_ERRORS, 'admin_user'):
            return HttpResponseRedirect('/admin/')
        return super(LoginView, self).form_invalid(form)