host.py 文件源码

def save(self, *args, **kwargs):
        try:
            ManagedHost.objects.get(~Q(pk = self.pk), fqdn = self.fqdn)
            raise IntegrityError("FQDN %s in use" % self.fqdn)
        except ManagedHost.DoesNotExist:
            pass

        super(ManagedHost, self).save(*args, **kwargs)