mirror of
https://github.com/django/django.git
synced 2024-11-22 03:18:31 +01:00
31 lines
696 B
Python
31 lines
696 B
Python
from django.db import models
|
|
|
|
|
|
class Part(models.Model):
|
|
name = models.CharField(max_length=20)
|
|
|
|
class Meta:
|
|
ordering = ("name",)
|
|
|
|
|
|
class Car(models.Model):
|
|
name = models.CharField(max_length=20)
|
|
default_parts = models.ManyToManyField(Part)
|
|
optional_parts = models.ManyToManyField(Part, related_name="cars_optional")
|
|
|
|
class Meta:
|
|
ordering = ("name",)
|
|
|
|
|
|
class SportsCar(Car):
|
|
price = models.IntegerField()
|
|
|
|
|
|
class Person(models.Model):
|
|
name = models.CharField(max_length=20)
|
|
fans = models.ManyToManyField("self", related_name="idols", symmetrical=False)
|
|
friends = models.ManyToManyField("self")
|
|
|
|
class Meta:
|
|
ordering = ("name",)
|