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34 lines
821 B
Python
34 lines
821 B
Python
"""
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25. Reverse lookups
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This demonstrates the reverse lookup features of the database API.
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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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@python_2_unicode_compatible
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class User(models.Model):
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name = models.CharField(max_length=200)
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def __str__(self):
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return self.name
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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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creator = models.ForeignKey(User)
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def __str__(self):
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return self.question
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@python_2_unicode_compatible
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class Choice(models.Model):
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name = models.CharField(max_length=100)
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poll = models.ForeignKey(Poll, related_name="poll_choice")
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related_poll = models.ForeignKey(Poll, related_name="related_choice")
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def __str__(self):
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return self.name
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