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			30 lines
		
	
	
	
		
			742 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
	
		
			742 B
		
	
	
	
		
			Python
		
	
	
	
	
	
from django.db import models
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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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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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class Place(models.Model):
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    name = models.CharField(max_length=50)
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class Restaurant(Place):
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    pass
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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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class Network(models.Model):
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    name = models.CharField(max_length=15)
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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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    def __unicode__(self):
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        return self.hostname
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