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Sep 29th, 2016
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  1. class University(models.Model):
  2. id = models.AutoField(primary_key=True)
  3. university_name = models.CharField(max_length=250, unique=True)
  4. university_slug = models.SlugField(max_length=250, unique=True)
  5.  
  6. def __unicode__(self):
  7. return self.university_name
  8.  
  9. from django.apps import AppConfig
  10. from django.db.models.signals import post_migrate
  11.  
  12. def my_callback(sender, **kwargs):
  13. if sender.name = 'myapp'
  14. try:
  15. University.objects.create(pk=999, ...)
  16. University.objects.delete()
  17. except IntegrityError:
  18. pass
  19.  
  20. class MyAppConfig(AppConfig):
  21. ...
  22.  
  23. def ready(self):
  24. post_migrate.connect(my_callback, sender=self)
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