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			33 lines
		
	
	
		
			870 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			870 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| from __future__ import unicode_literals
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| 
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| from django.db import models
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| from django.utils.encoding import python_2_unicode_compatible
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| 
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| 
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| @python_2_unicode_compatible
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| class Poll(models.Model):
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|     question = models.CharField(max_length=200)
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| 
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|     def __str__(self):
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|         return "Q: %s " % self.question
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| 
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| @python_2_unicode_compatible
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| class Choice(models.Model):
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|     poll = models.ForeignKey(Poll)
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|     choice = models.CharField(max_length=200)
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| 
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|     def __str__(self):
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|         return "Choice: %s in poll %s" % (self.choice, self.poll)
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| 
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| # A set of models with an inner one pointing to two outer ones.
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| class OuterA(models.Model):
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|     pass
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| 
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| class OuterB(models.Model):
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|     data = models.CharField(max_length=10)
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| 
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| class Inner(models.Model):
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|     first = models.ForeignKey(OuterA)
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|     # second would clash with the __second lookup.
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|     third = models.ForeignKey(OuterB, null=True)
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