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- class FoodQuerySet(models.QuerySet):
- def pizzas(self):
- return self.filter(kind='pizza')
- def vegetarian(self):
- return self.filter(vegetarian=True)
- class Food(models.Model):
- kind = models.CharField(max_length=50)
- vegetarian = models.BooleanField(default=False)
- objects = FoodQuerySet.as_manager()
- Food.objects.pizzas().vegetarian()
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