from asyncorm import models BOOK_CHOICES = ( ('hard cover', 'hard cover book'), ('paperback', 'paperback book') ) # This is a simple model definition class Book(models.Model): name = models.CharField(max_length=50) synopsis = models.CharField(max_length=255) book_type = models.CharField( max_length=15, null=True, choices=BOOK_CHOICES ) pages = models.IntegerField(null=True) date_created = models.DateField(auto_now=True) class Meta(): ordering = ['-name', ] unique_together = ['name', 'synopsis']