如何覆盖modelform类的save()方法并添加缺少的信息?

时间:2010-12-20 20:49:48

标签: python django save models modelform

我刚开始学习Django,我有一个问题。

我正在尝试在保存表单数据时自动添加缺少的信息。我可以通过覆盖modelform类的save()方法来更改/添加所需的“cleaning_data”信息,但更改不会记录在数据库中。实际上,如何编写修改后的信息?这是代码:

def save(self, commit = True, *args, **kwargs):
    temp = ServiceMethods(url = self.cleaned_data.get('url'), wsdl_url = self.cleaned_data.get('wsdl_url'))

    if not temp.get_wsdl_url():                             
        temp.make_wsdl_url()

    if temp.get_wsdl_url():                                 
        temp.make_wsdl()                                    
        self.cleaned_data['wsdl_url'] = temp.get_wsdl_url() 
        self.cleaned_data['wsdl_description'] = temp.get_wsdl_description()

    super(ServiceForm, self).save(commit = commit, *args, **kwargs)  

模特:

class Services(models.Model):
    name                = models.CharField('Имя', max_length=256)
    url                 = models.URLField('Ссылка', unique = True)
    wsdl_url            = models.URLField('Ссылка на WSDL-документ', blank=True)
    description         = models.TextField('Описание сервиса',blank=True)
    wsdl_description    = models.TextField('WSDL описание', blank=True, editable=False)
    added               = models.DateTimeField('Добавлено', auto_now_add=True)

TIA

1 个答案:

答案 0 :(得分:2)

尝试在self.instance而不是self.cleaned_data设置数据,如果有效,请告诉我。