django/tests/regressiontests/fixtures_regress/models.py

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from django.db import models, DEFAULT_DB_ALIAS, connection
from django.contrib.auth.models import User
from django.conf import settings
class Animal(models.Model):
name = models.CharField(max_length=150)
latin_name = models.CharField(max_length=150)
count = models.IntegerField()
weight = models.FloatField()
# use a non-default name for the default manager
specimens = models.Manager()
def __unicode__(self):
return self.name
class Plant(models.Model):
name = models.CharField(max_length=150)
class Meta:
# For testing when upper case letter in app name; regression for #4057
db_table = "Fixtures_regress_plant"
class Stuff(models.Model):
name = models.CharField(max_length=20, null=True)
owner = models.ForeignKey(User, null=True)
def __unicode__(self):
# Oracle doesn't distinguish between None and the empty string.
# This hack makes the test case pass using Oracle.
name = self.name
if (connection.features.interprets_empty_strings_as_nulls
and name == u''):
name = None
return unicode(name) + u' is owned by ' + unicode(self.owner)
class Absolute(models.Model):
name = models.CharField(max_length=40)
load_count = 0
def __init__(self, *args, **kwargs):
super(Absolute, self).__init__(*args, **kwargs)
Absolute.load_count += 1
class Parent(models.Model):
name = models.CharField(max_length=10)
class Meta:
ordering = ('id',)
class Child(Parent):
data = models.CharField(max_length=10)
# Models to regression test #7572
class Channel(models.Model):
name = models.CharField(max_length=255)
class Article(models.Model):
title = models.CharField(max_length=255)
channels = models.ManyToManyField(Channel)
class Meta:
ordering = ('id',)
# Models to regression test #11428
class Widget(models.Model):
name = models.CharField(max_length=255)
class Meta:
ordering = ('name',)
def __unicode__(self):
return self.name
class WidgetProxy(Widget):
class Meta:
proxy = True
# Check for forward references in FKs and M2Ms with natural keys
class TestManager(models.Manager):
def get_by_natural_key(self, key):
return self.get(name=key)
class Store(models.Model):
objects = TestManager()
name = models.CharField(max_length=255)
class Meta:
ordering = ('name',)
def __unicode__(self):
return self.name
def natural_key(self):
return (self.name,)
class Person(models.Model):
objects = TestManager()
name = models.CharField(max_length=255)
class Meta:
ordering = ('name',)
def __unicode__(self):
return self.name
# Person doesn't actually have a dependency on store, but we need to define
# one to test the behaviour of the dependency resolution algorithm.
def natural_key(self):
return (self.name,)
natural_key.dependencies = ['fixtures_regress.store']
class Book(models.Model):
name = models.CharField(max_length=255)
author = models.ForeignKey(Person)
stores = models.ManyToManyField(Store)
class Meta:
ordering = ('name',)
def __unicode__(self):
return u'%s by %s (available at %s)' % (
self.name,
self.author.name,
', '.join(s.name for s in self.stores.all())
)
class NKManager(models.Manager):
def get_by_natural_key(self, data):
return self.get(data=data)
class NKChild(Parent):
data = models.CharField(max_length=10, unique=True)
objects = NKManager()
def natural_key(self):
return self.data
def __unicode__(self):
return u'NKChild %s:%s' % (self.name, self.data)
class RefToNKChild(models.Model):
text = models.CharField(max_length=10)
nk_fk = models.ForeignKey(NKChild, related_name='ref_fks')
nk_m2m = models.ManyToManyField(NKChild, related_name='ref_m2ms')
def __unicode__(self):
return u'%s: Reference to %s [%s]' % (
self.text,
self.nk_fk,
', '.join(str(o) for o in self.nk_m2m.all())
)
# ome models with pathological circular dependencies
class Circle1(models.Model):
name = models.CharField(max_length=255)
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle2']
class Circle2(models.Model):
name = models.CharField(max_length=255)
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle1']
class Circle3(models.Model):
name = models.CharField(max_length=255)
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle3']
class Circle4(models.Model):
name = models.CharField(max_length=255)
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle5']
class Circle5(models.Model):
name = models.CharField(max_length=255)
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle6']
class Circle6(models.Model):
name = models.CharField(max_length=255)
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle4']
class ExternalDependency(models.Model):
name = models.CharField(max_length=255)
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.book']