models.py 文件源码

def validate_unique(self, *args, **kwargs):
        super(PeriodicTask, self).validate_unique(*args, **kwargs)
        if not self.interval and not self.crontab and not self.solar:
            raise ValidationError({
                'interval': [
                    'One of interval, crontab, or solar must be set.'
                ]
            })
        if self.interval and self.crontab and self.solar:
            raise ValidationError({
                'crontab': [
                    'Only one of interval, crontab, or solar must be set'
                ]
            })