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- class University(models.Model):
- id = models.AutoField(primary_key=True)
- university_name = models.CharField(max_length=250, unique=True)
- university_slug = models.SlugField(max_length=250, unique=True)
- def __unicode__(self):
- return self.university_name
- from django.apps import AppConfig
- from django.db.models.signals import post_migrate
- def my_callback(sender, **kwargs):
- if sender.name = 'myapp'
- try:
- University.objects.create(pk=999, ...)
- University.objects.delete()
- except IntegrityError:
- pass
- class MyAppConfig(AppConfig):
- ...
- def ready(self):
- post_migrate.connect(my_callback, sender=self)
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