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git-svn-id: http://code.djangoproject.com/svn/django/trunk@15018 bcc190cf-cafb-0310-a4f2-bffc1f526a37
26 lines
637 B
Python
26 lines
637 B
Python
"""
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Model for testing arithmetic expressions.
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"""
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from django.db import models
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class Number(models.Model):
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integer = models.IntegerField(db_column='the_integer')
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float = models.FloatField(null=True, db_column='the_float')
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def __unicode__(self):
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return u'%i, %.3f' % (self.integer, self.float)
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class Experiment(models.Model):
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name = models.CharField(max_length=24)
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assigned = models.DateField()
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completed = models.DateField()
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start = models.DateTimeField()
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end = models.DateTimeField()
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class Meta:
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ordering = ('name',)
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def duration(self):
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return self.end - self.start
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