from django.dispatch import receiver from django.db.models.signals import pre_save from common.utils import get_logger from ..models import Account logger = get_logger(__name__) @receiver(pre_save, sender=Account) def on_account_pre_create(sender, instance, **kwargs): # 升级版本号 instance.version += 1 # 即使在 root 组织也不怕 instance.org_id = instance.asset.org_id