pdlzbs/core/utils.py

19 lines
386 B
Python

from django.db.models import Model
class SingletonModel(Model):
class Meta:
abstract = True
def save(self, *args, **kwargs):
self.pk = 1
super(SingletonModel, self).save(*args, **kwargs)
def delete(self, *args, **kwargs):
pass
@classmethod
def load(cls):
obj, created = cls.objects.get_or_create(pk=1)
return obj