forms.py 文件源码

def __init__(self, *args, **kwargs):
        device = kwargs.pop('device')
        self.device = device

        signed_secret = kwargs.pop('secret', None)  # used for setup flow
        self.secret = signed_secret

        super().__init__(*args, **kwargs)

        self.helper = FormHelper()
        submit = Submit('submit', _('Log in'), css_class='pull-right')
        self.helper.layout = Layout(
            Field('response', autofocus='autofocus'),
            submit)

        if signed_secret:
            self.helper.layout.append(Hidden('secret', signed_secret))
            submit.value = _('Add authenticator')