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Viewing changes to tests/modeltests/m2o_recursive2/models.py

  • Committer: adrian
  • Date: 2006-05-02 01:31:56 UTC
  • Revision ID: vcs-imports@canonical.com-20060502013156-2941fcd40d080649
MERGED MAGIC-REMOVAL BRANCH TO TRUNK. This change is highly backwards-incompatible. Please read http://code.djangoproject.com/wiki/RemovingTheMagic for upgrade instructions.

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tests/modeltests/m2o_recursive2/models.py
 
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"""
 
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12. Relating a model to another model more than once
 
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In this example, a ``Person`` can have a ``mother`` and ``father`` -- both of
 
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which are other ``Person`` objects.
 
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Set ``related_name`` to designate what the reverse relationship is called.
 
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"""
 
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from django.db import models
 
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class Person(models.Model):
 
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    full_name = models.CharField(maxlength=20)
 
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    mother = models.ForeignKey('self', null=True, related_name='mothers_child_set')
 
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    father = models.ForeignKey('self', null=True, related_name='fathers_child_set')
 
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    def __repr__(self):
 
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        return self.full_name
 
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API_TESTS = """
 
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# Create two Person objects -- the mom and dad in our family.
 
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>>> dad = Person(full_name='John Smith Senior', mother=None, father=None)
 
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>>> dad.save()
 
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>>> mom = Person(full_name='Jane Smith', mother=None, father=None)
 
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>>> mom.save()
 
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# Give mom and dad a kid.
 
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>>> kid = Person(full_name='John Smith Junior', mother=mom, father=dad)
 
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>>> kid.save()
 
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>>> kid.mother
 
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Jane Smith
 
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>>> kid.father
 
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John Smith Senior
 
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>>> dad.fathers_child_set.all()
 
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[John Smith Junior]
 
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>>> mom.mothers_child_set.all()
 
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[John Smith Junior]
 
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>>> kid.mothers_child_set.all()
 
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[]
 
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>>> kid.fathers_child_set.all()
 
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[]
 
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"""