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			30 lines
		
	
	
		
			741 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			741 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| from django.db import models
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| 
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| class User(models.Model):
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|     username = models.CharField(max_length=12, unique=True)
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|     serial = models.IntegerField()
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| 
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| class UserSite(models.Model):
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|     user = models.ForeignKey(User, to_field="username")
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|     data = models.IntegerField()
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| 
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| class Place(models.Model):
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|     name = models.CharField(max_length=50)
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| 
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| class Restaurant(Place):
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|     pass
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| 
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| class Manager(models.Model):
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|     retaurant = models.ForeignKey(Restaurant)
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|     name = models.CharField(max_length=50)
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| 
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| class Network(models.Model):
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|     name = models.CharField(max_length=15)
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| 
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| class Host(models.Model):
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|     network = models.ForeignKey(Network)
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|     hostname = models.CharField(max_length=25)
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| 
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|     def __unicode__(self):
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|         return self.hostname
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