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905bd7fb44
Handled values returned by functions more like field values. In particular, localized dates, times and datetimes properly, and converted datetimes to the current timezone.
86 lines
2.2 KiB
Python
86 lines
2.2 KiB
Python
from django.db import models
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class Event(models.Model):
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date = models.DateField()
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class Parent(models.Model):
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name = models.CharField(max_length=128)
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class Child(models.Model):
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parent = models.ForeignKey(Parent, editable=False, null=True)
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name = models.CharField(max_length=30, blank=True)
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age = models.IntegerField(null=True, blank=True)
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class Genre(models.Model):
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name = models.CharField(max_length=20)
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class Band(models.Model):
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name = models.CharField(max_length=20)
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nr_of_members = models.PositiveIntegerField()
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genres = models.ManyToManyField(Genre)
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class Musician(models.Model):
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name = models.CharField(max_length=30)
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def __unicode__(self):
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return self.name
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class Group(models.Model):
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name = models.CharField(max_length=30)
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members = models.ManyToManyField(Musician, through='Membership')
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def __unicode__(self):
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return self.name
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class Membership(models.Model):
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music = models.ForeignKey(Musician)
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group = models.ForeignKey(Group)
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role = models.CharField(max_length=15)
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class Quartet(Group):
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pass
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class ChordsMusician(Musician):
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pass
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class ChordsBand(models.Model):
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name = models.CharField(max_length=30)
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members = models.ManyToManyField(ChordsMusician, through='Invitation')
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class Invitation(models.Model):
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player = models.ForeignKey(ChordsMusician)
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band = models.ForeignKey(ChordsBand)
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instrument = models.CharField(max_length=15)
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class Swallow(models.Model):
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origin = models.CharField(max_length=255)
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load = models.FloatField()
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speed = models.FloatField()
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class Meta:
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ordering = ('speed', 'load')
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class UnorderedObject(models.Model):
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"""
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Model without any defined `Meta.ordering`.
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Refs #17198.
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"""
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bool = models.BooleanField(default=True)
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class OrderedObjectManager(models.Manager):
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def get_query_set(self):
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return super(OrderedObjectManager, self).get_query_set().order_by('number')
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class OrderedObject(models.Model):
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"""
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Model with Manager that defines a default order.
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Refs #17198.
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"""
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name = models.CharField(max_length=255)
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bool = models.BooleanField(default=True)
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number = models.IntegerField(default=0, db_column='number_val')
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objects = OrderedObjectManager()
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