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35 lines
834 B
Python
35 lines
834 B
Python
from django.db import models
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class School(models.Model):
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name = models.CharField(max_length=100)
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class Parent(models.Model):
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name = models.CharField(max_length=100)
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class Child(models.Model):
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mother = models.ForeignKey(Parent, models.CASCADE, related_name='mothers_children')
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father = models.ForeignKey(Parent, models.CASCADE, related_name='fathers_children')
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school = models.ForeignKey(School, models.CASCADE)
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name = models.CharField(max_length=100)
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class Poet(models.Model):
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name = models.CharField(max_length=100)
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def __str__(self):
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return self.name
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class Poem(models.Model):
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poet = models.ForeignKey(Poet, models.CASCADE)
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name = models.CharField(max_length=100)
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class Meta:
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unique_together = ('poet', 'name')
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def __str__(self):
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return self.name
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