[英]django signals module object has no attribute 'post_save'
我正在嘗試創建“沙龍”對象時,創建一個“保險櫃”對象
這是models.py
from django.db import models,signals
from django.contrib.auth.models import User
class Vault(models.Model):
salon = models.ForeignKey(Salon, on_delete=models.CASCADE, null=False, unique=False)
cash = models.PositiveIntegerField()
class Salon(models.Model):
salon_ismi = models.CharField(max_length=25,unique=False)
adres = models.CharField(max_length=255, unique=False)
ulke = models.CharField(max_length=25, unique=False)
sehir = models.CharField(max_length=24, unique=False)
kasa = models.PositiveIntegerField(blank=True, unique=False)
class Meta:
ordering = ('-pk',)
verbose_name_plural = "Salonlar"
def __unicode__(self):
return u'%s' % self.pk
def __str__(self):
return self.salon_ismi
def get_absolute_url(self):
return reverse('kentyonetim_salon_detail', args=(self.pk,))
def create_vault(self, sender, instance, created, **kwargs):
"""Create Vault Model for every new Salon Model."""
if created:
Vault.objects.create(salon=self.salon_ismi,)
signals.post_save.connect(Salon.create_vault, sender=Salon, weak=False,
dispatch_uid='models.create_Vault')
當我嘗試運行服務器時,它給我一個錯誤:
AttributeError:模塊“ django.core.signals”沒有屬性“ post_save”
請幫幫我。 將不勝感激。 謝謝。
庫的版本:
Django的== 2.2.2
看來您輸入的信號不正確。 嘗試以下方法:
from django.db.models import signals
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