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31 lines
696 B
Python
31 lines
696 B
Python
from django.db import models
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class Part(models.Model):
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name = models.CharField(max_length=20)
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class Meta:
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ordering = ("name",)
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class Car(models.Model):
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name = models.CharField(max_length=20)
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default_parts = models.ManyToManyField(Part)
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optional_parts = models.ManyToManyField(Part, related_name="cars_optional")
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class Meta:
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ordering = ("name",)
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class SportsCar(Car):
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price = models.IntegerField()
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class Person(models.Model):
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name = models.CharField(max_length=20)
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fans = models.ManyToManyField("self", related_name="idols", symmetrical=False)
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friends = models.ManyToManyField("self")
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class Meta:
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ordering = ("name",)
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