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	git-svn-id: http://code.djangoproject.com/svn/django/trunk@14548 bcc190cf-cafb-0310-a4f2-bffc1f526a37
		
			
				
	
	
		
			37 lines
		
	
	
		
			852 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			852 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| from django.db import models
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| 
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| 
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| class Part(models.Model):
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|     name = models.CharField(max_length=20)
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| 
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|     class Meta:
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|         ordering = ('name',)
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| 
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|     def __unicode__(self):
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|         return self.name
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| 
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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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| 
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|     class Meta:
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|         ordering = ('name',)
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| 
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|     def __unicode__(self):
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|         return self.name
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| 
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| class SportsCar(Car):
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|     price = models.IntegerField()
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| 
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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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| 
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|     class Meta:
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|         ordering = ('name',)
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| 
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|     def __unicode__(self):
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|         return self.name
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