signals.py 文件源码

def update_domain_serial_when_interface_deleted(sender, instance, **kwargs):
    if instance.domain is not None:
        domain = instance.domain
        domain.domain_serial += 1
        domain.save()

    if instance.ip4address is not None:
        subnet = instance.ip4address.subnet
        subnet.domain_serial += 1
        subnet.save()

# @receiver(pre_save, sender=Domain)
# def update_domain_serial_when_domain_is_saved(sender, instance, **kwargs):
#    instance.domain_serial = format_domain_serial_and_add_one(instance.domain_serial)