我公司类具有自身的多个M2M关系
类公司(models.Model):
divisions = models.ManyToManyField('self', symmetrical=False, related_name="parent_companies")
parents = models.ManyToManyField('self', symmetrical=False, related_name="divisions_companies")
comp = models.ManyToManyField('self', symmetrical=False, related_name="comp")
friends = models.ManyToManyField('self', symmetrical=False, related_name="friends")
我希望能够动态地添加这样的M2M的关系,但它显然是行不通的。有没有办法来动态地做到这一点?
company, was_created = Company.objects.get_or_create(name=info)
setattr(self,key, company)
得到它了。只需要通过一个列表,而不是..
company, was_created = Company.objects.get_or_create(name=info)
setattr(self,key, [company,])
语法是添加M2M是field.add(obj_pk or obj)
company, was_created = Company.objects.get_or_create(name=info)
self.comp.add(company)