models.py 文件源码

def url(self):
        '''
        Because invoice URLs are generally emailed, this
        includes the default site URL and the protocol specified in
        settings.
        '''
        if self.id:
            return '%s://%s%s' % (
                getConstant('email__linkProtocol'),
                Site.objects.get_current().domain,
                reverse('viewInvoice', args=[self.id,]),
            )