forms.py 文件源码

def __init__(self, *args, **kwargs):
        nb_questions = kwargs.pop('nb_questions')
        super(AddQuestionForm, self).__init__(*args, **kwargs)
        self.fields['question'] = forms.IntegerField(
            required=True, validators=[MinValueValidator(1),
                                       MaxValueValidator(nb_questions + 1)])
        self.fields['question'].label = 'Question number'
        self.fields['question'].help_text = ('(value between 1 and %s)' %
                                             (nb_questions + 1))