990 lines
25 KiB
Python
990 lines
25 KiB
Python
import datetime
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import os
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import tempfile
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import uuid
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from django.contrib.auth.models import User
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from django.contrib.contenttypes.fields import (
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GenericForeignKey, GenericRelation,
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)
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from django.contrib.contenttypes.models import ContentType
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from django.core.exceptions import ValidationError
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from django.core.files.storage import FileSystemStorage
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from django.db import models
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class Section(models.Model):
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"""
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A simple section that links to articles, to test linking to related items
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in admin views.
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"""
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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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@property
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def name_property(self):
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"""
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A property that simply returns the name. Used to test #24461
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"""
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return self.name
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class Article(models.Model):
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"""
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A simple article to test admin views. Test backwards compatibility.
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"""
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title = models.CharField(max_length=100)
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content = models.TextField()
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date = models.DateTimeField()
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section = models.ForeignKey(Section, models.CASCADE, null=True, blank=True)
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another_section = models.ForeignKey(Section, models.CASCADE, null=True, blank=True, related_name='+')
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sub_section = models.ForeignKey(Section, models.SET_NULL, null=True, blank=True, related_name='+')
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def __str__(self):
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return self.title
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def model_year(self):
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return self.date.year
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model_year.admin_order_field = 'date'
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model_year.short_description = ''
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def model_year_reversed(self):
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return self.date.year
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model_year_reversed.admin_order_field = '-date'
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model_year_reversed.short_description = ''
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def property_year(self):
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return self.date.year
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property_year.admin_order_field = 'date'
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model_property_year = property(property_year)
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class Book(models.Model):
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"""
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A simple book that has chapters.
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"""
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name = models.CharField(max_length=100, verbose_name='¿Name?')
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def __str__(self):
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return self.name
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class Promo(models.Model):
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name = models.CharField(max_length=100, verbose_name='¿Name?')
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book = models.ForeignKey(Book, models.CASCADE)
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author = models.ForeignKey(User, models.SET_NULL, blank=True, null=True)
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def __str__(self):
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return self.name
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class Chapter(models.Model):
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title = models.CharField(max_length=100, verbose_name='¿Title?')
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content = models.TextField()
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book = models.ForeignKey(Book, models.CASCADE)
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class Meta:
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# Use a utf-8 bytestring to ensure it works (see #11710)
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verbose_name = '¿Chapter?'
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def __str__(self):
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return self.title
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class ChapterXtra1(models.Model):
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chap = models.OneToOneField(Chapter, models.CASCADE, verbose_name='¿Chap?')
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xtra = models.CharField(max_length=100, verbose_name='¿Xtra?')
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guest_author = models.ForeignKey(User, models.SET_NULL, blank=True, null=True)
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def __str__(self):
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return '¿Xtra1: %s' % self.xtra
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class ChapterXtra2(models.Model):
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chap = models.OneToOneField(Chapter, models.CASCADE, verbose_name='¿Chap?')
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xtra = models.CharField(max_length=100, verbose_name='¿Xtra?')
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def __str__(self):
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return '¿Xtra2: %s' % self.xtra
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class RowLevelChangePermissionModel(models.Model):
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name = models.CharField(max_length=100, blank=True)
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class CustomArticle(models.Model):
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content = models.TextField()
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date = models.DateTimeField()
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class ModelWithStringPrimaryKey(models.Model):
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string_pk = models.CharField(max_length=255, primary_key=True)
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def __str__(self):
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return self.string_pk
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def get_absolute_url(self):
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return '/dummy/%s/' % self.string_pk
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class Color(models.Model):
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value = models.CharField(max_length=10)
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warm = models.BooleanField(default=False)
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def __str__(self):
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return self.value
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# we replicate Color to register with another ModelAdmin
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class Color2(Color):
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class Meta:
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proxy = True
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class Thing(models.Model):
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title = models.CharField(max_length=20)
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color = models.ForeignKey(Color, models.CASCADE, limit_choices_to={'warm': True})
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pub_date = models.DateField(blank=True, null=True)
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def __str__(self):
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return self.title
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class Actor(models.Model):
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name = models.CharField(max_length=50)
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age = models.IntegerField()
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title = models.CharField(max_length=50, null=True, blank=True)
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def __str__(self):
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return self.name
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class Inquisition(models.Model):
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expected = models.BooleanField(default=False)
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leader = models.ForeignKey(Actor, models.CASCADE)
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country = models.CharField(max_length=20)
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def __str__(self):
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return "by %s from %s" % (self.leader, self.country)
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class Sketch(models.Model):
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title = models.CharField(max_length=100)
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inquisition = models.ForeignKey(
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Inquisition,
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models.CASCADE,
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limit_choices_to={
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'leader__name': 'Palin',
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'leader__age': 27,
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'expected': False,
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},
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)
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defendant0 = models.ForeignKey(
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Actor,
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models.CASCADE,
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limit_choices_to={'title__isnull': False},
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related_name='as_defendant0',
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)
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defendant1 = models.ForeignKey(
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Actor,
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models.CASCADE,
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limit_choices_to={'title__isnull': True},
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related_name='as_defendant1',
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)
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def __str__(self):
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return self.title
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def today_callable_dict():
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return {"last_action__gte": datetime.datetime.today()}
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def today_callable_q():
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return models.Q(last_action__gte=datetime.datetime.today())
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class Character(models.Model):
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username = models.CharField(max_length=100)
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last_action = models.DateTimeField()
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def __str__(self):
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return self.username
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class StumpJoke(models.Model):
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variation = models.CharField(max_length=100)
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most_recently_fooled = models.ForeignKey(
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Character,
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models.CASCADE,
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limit_choices_to=today_callable_dict,
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related_name="+",
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)
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has_fooled_today = models.ManyToManyField(Character, limit_choices_to=today_callable_q, related_name="+")
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def __str__(self):
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return self.variation
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class Fabric(models.Model):
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NG_CHOICES = (
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('Textured', (
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('x', 'Horizontal'),
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('y', 'Vertical'),
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)),
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('plain', 'Smooth'),
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)
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surface = models.CharField(max_length=20, choices=NG_CHOICES)
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class Person(models.Model):
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GENDER_CHOICES = (
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(1, "Male"),
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(2, "Female"),
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)
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name = models.CharField(max_length=100)
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gender = models.IntegerField(choices=GENDER_CHOICES)
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age = models.IntegerField(default=21)
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alive = models.BooleanField(default=True)
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def __str__(self):
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return self.name
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class Persona(models.Model):
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"""
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A simple persona associated with accounts, to test inlining of related
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accounts which inherit from a common accounts class.
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"""
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name = models.CharField(blank=False, max_length=80)
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def __str__(self):
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return self.name
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class Account(models.Model):
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"""
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A simple, generic account encapsulating the information shared by all
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types of accounts.
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"""
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username = models.CharField(blank=False, max_length=80)
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persona = models.ForeignKey(Persona, models.CASCADE, related_name="accounts")
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servicename = 'generic service'
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def __str__(self):
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return "%s: %s" % (self.servicename, self.username)
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class FooAccount(Account):
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"""A service-specific account of type Foo."""
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servicename = 'foo'
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class BarAccount(Account):
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"""A service-specific account of type Bar."""
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servicename = 'bar'
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class Subscriber(models.Model):
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name = models.CharField(blank=False, max_length=80)
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email = models.EmailField(blank=False, max_length=175)
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def __str__(self):
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return "%s (%s)" % (self.name, self.email)
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class ExternalSubscriber(Subscriber):
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pass
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class OldSubscriber(Subscriber):
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pass
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class Media(models.Model):
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name = models.CharField(max_length=60)
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class Podcast(Media):
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release_date = models.DateField()
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class Meta:
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ordering = ('release_date',) # overridden in PodcastAdmin
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class Vodcast(Media):
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media = models.OneToOneField(Media, models.CASCADE, primary_key=True, parent_link=True)
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released = models.BooleanField(default=False)
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class Parent(models.Model):
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name = models.CharField(max_length=128)
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def clean(self):
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if self.name == '_invalid':
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raise ValidationError('invalid')
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class Child(models.Model):
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parent = models.ForeignKey(Parent, models.CASCADE, editable=False)
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name = models.CharField(max_length=30, blank=True)
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def clean(self):
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if self.name == '_invalid':
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raise ValidationError('invalid')
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class EmptyModel(models.Model):
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def __str__(self):
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return "Primary key = %s" % self.id
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temp_storage = FileSystemStorage(tempfile.mkdtemp())
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UPLOAD_TO = os.path.join(temp_storage.location, 'test_upload')
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class Gallery(models.Model):
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name = models.CharField(max_length=100)
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class Picture(models.Model):
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name = models.CharField(max_length=100)
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image = models.FileField(storage=temp_storage, upload_to='test_upload')
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gallery = models.ForeignKey(Gallery, models.CASCADE, related_name="pictures")
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class Language(models.Model):
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iso = models.CharField(max_length=5, primary_key=True)
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name = models.CharField(max_length=50)
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english_name = models.CharField(max_length=50)
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shortlist = models.BooleanField(default=False)
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class Meta:
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ordering = ('iso',)
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# a base class for Recommender and Recommendation
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class Title(models.Model):
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pass
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class TitleTranslation(models.Model):
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title = models.ForeignKey(Title, models.CASCADE)
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text = models.CharField(max_length=100)
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class Recommender(Title):
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pass
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class Recommendation(Title):
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the_recommender = models.ForeignKey(Recommender, models.CASCADE)
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class Collector(models.Model):
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name = models.CharField(max_length=100)
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class Widget(models.Model):
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owner = models.ForeignKey(Collector, models.CASCADE)
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name = models.CharField(max_length=100)
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class DooHickey(models.Model):
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code = models.CharField(max_length=10, primary_key=True)
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owner = models.ForeignKey(Collector, models.CASCADE)
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name = models.CharField(max_length=100)
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class Grommet(models.Model):
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code = models.AutoField(primary_key=True)
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owner = models.ForeignKey(Collector, models.CASCADE)
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name = models.CharField(max_length=100)
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class Whatsit(models.Model):
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index = models.IntegerField(primary_key=True)
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owner = models.ForeignKey(Collector, models.CASCADE)
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name = models.CharField(max_length=100)
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class Doodad(models.Model):
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name = models.CharField(max_length=100)
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class FancyDoodad(Doodad):
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owner = models.ForeignKey(Collector, models.CASCADE)
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expensive = models.BooleanField(default=True)
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class Category(models.Model):
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collector = models.ForeignKey(Collector, models.CASCADE)
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order = models.PositiveIntegerField()
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class Meta:
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ordering = ('order',)
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def __str__(self):
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return '%s:o%s' % (self.id, self.order)
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def link_posted_default():
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return datetime.date.today() - datetime.timedelta(days=7)
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class Link(models.Model):
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posted = models.DateField(default=link_posted_default)
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url = models.URLField()
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post = models.ForeignKey("Post", models.CASCADE)
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readonly_link_content = models.TextField()
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class PrePopulatedPost(models.Model):
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title = models.CharField(max_length=100)
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published = models.BooleanField(default=False)
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slug = models.SlugField()
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class PrePopulatedSubPost(models.Model):
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post = models.ForeignKey(PrePopulatedPost, models.CASCADE)
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subtitle = models.CharField(max_length=100)
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subslug = models.SlugField()
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class Post(models.Model):
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title = models.CharField(max_length=100, help_text="Some help text for the title (with unicode ŠĐĆŽćžšđ)")
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content = models.TextField(help_text="Some help text for the content (with unicode ŠĐĆŽćžšđ)")
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readonly_content = models.TextField()
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posted = models.DateField(
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default=datetime.date.today,
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help_text="Some help text for the date (with unicode ŠĐĆŽćžšđ)"
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)
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public = models.BooleanField(null=True, blank=True)
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def awesomeness_level(self):
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return "Very awesome."
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# Proxy model to test overridden fields attrs on Post model so as not to
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# interfere with other tests.
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class FieldOverridePost(Post):
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class Meta:
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proxy = True
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class Gadget(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 Villain(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 SuperVillain(Villain):
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pass
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class FunkyTag(models.Model):
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"Because we all know there's only one real use case for GFKs."
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name = models.CharField(max_length=25)
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content_type = models.ForeignKey(ContentType, models.CASCADE)
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object_id = models.PositiveIntegerField()
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content_object = GenericForeignKey('content_type', 'object_id')
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def __str__(self):
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return self.name
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class Plot(models.Model):
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name = models.CharField(max_length=100)
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team_leader = models.ForeignKey(Villain, models.CASCADE, related_name='lead_plots')
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contact = models.ForeignKey(Villain, models.CASCADE, related_name='contact_plots')
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tags = GenericRelation(FunkyTag)
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def __str__(self):
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return self.name
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class PlotDetails(models.Model):
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details = models.CharField(max_length=100)
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plot = models.OneToOneField(Plot, models.CASCADE, null=True, blank=True)
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def __str__(self):
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return self.details
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class PlotProxy(Plot):
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class Meta:
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proxy = True
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class SecretHideout(models.Model):
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""" Secret! Not registered with the admin! """
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location = models.CharField(max_length=100)
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villain = models.ForeignKey(Villain, models.CASCADE)
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def __str__(self):
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return self.location
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class SuperSecretHideout(models.Model):
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""" Secret! Not registered with the admin! """
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location = models.CharField(max_length=100)
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supervillain = models.ForeignKey(SuperVillain, models.CASCADE)
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def __str__(self):
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return self.location
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class Bookmark(models.Model):
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name = models.CharField(max_length=60)
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tag = GenericRelation(FunkyTag, related_query_name='bookmark')
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def __str__(self):
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return self.name
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class CyclicOne(models.Model):
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name = models.CharField(max_length=25)
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two = models.ForeignKey('CyclicTwo', models.CASCADE)
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def __str__(self):
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return self.name
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class CyclicTwo(models.Model):
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name = models.CharField(max_length=25)
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one = models.ForeignKey(CyclicOne, models.CASCADE)
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def __str__(self):
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return self.name
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class Topping(models.Model):
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name = models.CharField(max_length=20)
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def __str__(self):
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return self.name
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class Pizza(models.Model):
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name = models.CharField(max_length=20)
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toppings = models.ManyToManyField('Topping', related_name='pizzas')
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# Pizza's ModelAdmin has readonly_fields = ['toppings'].
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# toppings is editable for this model's admin.
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class ReadablePizza(Pizza):
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class Meta:
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proxy = True
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# No default permissions are created for this model and both name and toppings
|
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# are readonly for this model's admin.
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class ReadOnlyPizza(Pizza):
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class Meta:
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proxy = True
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default_permissions = ()
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class Album(models.Model):
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owner = models.ForeignKey(User, models.SET_NULL, null=True, blank=True)
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title = models.CharField(max_length=30)
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class Employee(Person):
|
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code = models.CharField(max_length=20)
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class WorkHour(models.Model):
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datum = models.DateField()
|
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employee = models.ForeignKey(Employee, models.CASCADE)
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class Question(models.Model):
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question = models.CharField(max_length=20)
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posted = models.DateField(default=datetime.date.today)
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expires = models.DateTimeField(null=True, blank=True)
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related_questions = models.ManyToManyField('self')
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|
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def __str__(self):
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return self.question
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class Answer(models.Model):
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question = models.ForeignKey(Question, models.PROTECT)
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answer = models.CharField(max_length=20)
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|
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def __str__(self):
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return self.answer
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class Answer2(Answer):
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class Meta:
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proxy = True
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class Reservation(models.Model):
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start_date = models.DateTimeField()
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price = models.IntegerField()
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class FoodDelivery(models.Model):
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DRIVER_CHOICES = (
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('bill', 'Bill G'),
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('steve', 'Steve J'),
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)
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RESTAURANT_CHOICES = (
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('indian', 'A Taste of India'),
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('thai', 'Thai Pography'),
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('pizza', 'Pizza Mama'),
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)
|
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reference = models.CharField(max_length=100)
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driver = models.CharField(max_length=100, choices=DRIVER_CHOICES, blank=True)
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restaurant = models.CharField(max_length=100, choices=RESTAURANT_CHOICES, blank=True)
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|
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class Meta:
|
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unique_together = (("driver", "restaurant"),)
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|
|
class CoverLetter(models.Model):
|
|
author = models.CharField(max_length=30)
|
|
date_written = models.DateField(null=True, blank=True)
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|
|
def __str__(self):
|
|
return self.author
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|
|
class Paper(models.Model):
|
|
title = models.CharField(max_length=30)
|
|
author = models.CharField(max_length=30, blank=True, null=True)
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|
|
class ShortMessage(models.Model):
|
|
content = models.CharField(max_length=140)
|
|
timestamp = models.DateTimeField(null=True, blank=True)
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|
|
class Telegram(models.Model):
|
|
title = models.CharField(max_length=30)
|
|
date_sent = models.DateField(null=True, blank=True)
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|
|
def __str__(self):
|
|
return self.title
|
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|
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|
|
class Story(models.Model):
|
|
title = models.CharField(max_length=100)
|
|
content = models.TextField()
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|
|
class OtherStory(models.Model):
|
|
title = models.CharField(max_length=100)
|
|
content = models.TextField()
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|
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|
|
class ComplexSortedPerson(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
age = models.PositiveIntegerField()
|
|
is_employee = models.BooleanField(null=True)
|
|
|
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|
|
class PluggableSearchPerson(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
age = models.PositiveIntegerField()
|
|
|
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|
|
class PrePopulatedPostLargeSlug(models.Model):
|
|
"""
|
|
Regression test for #15938: a large max_length for the slugfield must not
|
|
be localized in prepopulated_fields_js.html or it might end up breaking
|
|
the javascript (ie, using THOUSAND_SEPARATOR ends up with maxLength=1,000)
|
|
"""
|
|
title = models.CharField(max_length=100)
|
|
published = models.BooleanField(default=False)
|
|
# `db_index=False` because MySQL cannot index large CharField (#21196).
|
|
slug = models.SlugField(max_length=1000, db_index=False)
|
|
|
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|
|
class AdminOrderedField(models.Model):
|
|
order = models.IntegerField()
|
|
stuff = models.CharField(max_length=200)
|
|
|
|
|
|
class AdminOrderedModelMethod(models.Model):
|
|
order = models.IntegerField()
|
|
stuff = models.CharField(max_length=200)
|
|
|
|
def some_order(self):
|
|
return self.order
|
|
some_order.admin_order_field = 'order'
|
|
|
|
|
|
class AdminOrderedAdminMethod(models.Model):
|
|
order = models.IntegerField()
|
|
stuff = models.CharField(max_length=200)
|
|
|
|
|
|
class AdminOrderedCallable(models.Model):
|
|
order = models.IntegerField()
|
|
stuff = models.CharField(max_length=200)
|
|
|
|
|
|
class Report(models.Model):
|
|
title = models.CharField(max_length=100)
|
|
|
|
def __str__(self):
|
|
return self.title
|
|
|
|
|
|
class MainPrepopulated(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
pubdate = models.DateField()
|
|
status = models.CharField(
|
|
max_length=20,
|
|
choices=(('option one', 'Option One'),
|
|
('option two', 'Option Two')))
|
|
slug1 = models.SlugField(blank=True)
|
|
slug2 = models.SlugField(blank=True)
|
|
slug3 = models.SlugField(blank=True, allow_unicode=True)
|
|
|
|
|
|
class RelatedPrepopulated(models.Model):
|
|
parent = models.ForeignKey(MainPrepopulated, models.CASCADE)
|
|
name = models.CharField(max_length=75)
|
|
fk = models.ForeignKey('self', models.CASCADE, blank=True, null=True)
|
|
m2m = models.ManyToManyField('self', blank=True)
|
|
pubdate = models.DateField()
|
|
status = models.CharField(
|
|
max_length=20,
|
|
choices=(('option one', 'Option One'),
|
|
('option two', 'Option Two')))
|
|
slug1 = models.SlugField(max_length=50)
|
|
slug2 = models.SlugField(max_length=60)
|
|
|
|
|
|
class UnorderedObject(models.Model):
|
|
"""
|
|
Model without any defined `Meta.ordering`.
|
|
Refs #16819.
|
|
"""
|
|
name = models.CharField(max_length=255)
|
|
bool = models.BooleanField(default=True)
|
|
|
|
|
|
class UndeletableObject(models.Model):
|
|
"""
|
|
Model whose show_delete in admin change_view has been disabled
|
|
Refs #10057.
|
|
"""
|
|
name = models.CharField(max_length=255)
|
|
|
|
|
|
class UnchangeableObject(models.Model):
|
|
"""
|
|
Model whose change_view is disabled in admin
|
|
Refs #20640.
|
|
"""
|
|
|
|
|
|
class UserMessenger(models.Model):
|
|
"""
|
|
Dummy class for testing message_user functions on ModelAdmin
|
|
"""
|
|
|
|
|
|
class Simple(models.Model):
|
|
"""
|
|
Simple model with nothing on it for use in testing
|
|
"""
|
|
|
|
|
|
class Choice(models.Model):
|
|
choice = models.IntegerField(
|
|
blank=True, null=True,
|
|
choices=((1, 'Yes'), (0, 'No'), (None, 'No opinion')),
|
|
)
|
|
|
|
|
|
class ParentWithDependentChildren(models.Model):
|
|
"""
|
|
Issue #20522
|
|
Model where the validation of child foreign-key relationships depends
|
|
on validation of the parent
|
|
"""
|
|
some_required_info = models.PositiveIntegerField()
|
|
family_name = models.CharField(max_length=255, blank=False)
|
|
|
|
|
|
class DependentChild(models.Model):
|
|
"""
|
|
Issue #20522
|
|
Model that depends on validation of the parent class for one of its
|
|
fields to validate during clean
|
|
"""
|
|
parent = models.ForeignKey(ParentWithDependentChildren, models.CASCADE)
|
|
family_name = models.CharField(max_length=255)
|
|
|
|
|
|
class _Manager(models.Manager):
|
|
def get_queryset(self):
|
|
return super().get_queryset().filter(pk__gt=1)
|
|
|
|
|
|
class FilteredManager(models.Model):
|
|
def __str__(self):
|
|
return "PK=%d" % self.pk
|
|
|
|
pk_gt_1 = _Manager()
|
|
objects = models.Manager()
|
|
|
|
|
|
class EmptyModelVisible(models.Model):
|
|
""" See ticket #11277. """
|
|
|
|
|
|
class EmptyModelHidden(models.Model):
|
|
""" See ticket #11277. """
|
|
|
|
|
|
class EmptyModelMixin(models.Model):
|
|
""" See ticket #11277. """
|
|
|
|
|
|
class State(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
|
|
|
|
class City(models.Model):
|
|
state = models.ForeignKey(State, models.CASCADE)
|
|
name = models.CharField(max_length=100)
|
|
|
|
def get_absolute_url(self):
|
|
return '/dummy/%s/' % self.pk
|
|
|
|
|
|
class Restaurant(models.Model):
|
|
city = models.ForeignKey(City, models.CASCADE)
|
|
name = models.CharField(max_length=100)
|
|
|
|
def get_absolute_url(self):
|
|
return '/dummy/%s/' % self.pk
|
|
|
|
|
|
class Worker(models.Model):
|
|
work_at = models.ForeignKey(Restaurant, models.CASCADE)
|
|
name = models.CharField(max_length=50)
|
|
surname = models.CharField(max_length=50)
|
|
|
|
|
|
# Models for #23329
|
|
class ReferencedByParent(models.Model):
|
|
name = models.CharField(max_length=20, unique=True)
|
|
|
|
|
|
class ParentWithFK(models.Model):
|
|
fk = models.ForeignKey(
|
|
ReferencedByParent,
|
|
models.CASCADE,
|
|
to_field='name',
|
|
related_name='hidden+',
|
|
)
|
|
|
|
|
|
class ChildOfReferer(ParentWithFK):
|
|
pass
|
|
|
|
|
|
# Models for #23431
|
|
class InlineReferer(models.Model):
|
|
pass
|
|
|
|
|
|
class ReferencedByInline(models.Model):
|
|
name = models.CharField(max_length=20, unique=True)
|
|
|
|
|
|
class InlineReference(models.Model):
|
|
referer = models.ForeignKey(InlineReferer, models.CASCADE)
|
|
fk = models.ForeignKey(
|
|
ReferencedByInline,
|
|
models.CASCADE,
|
|
to_field='name',
|
|
related_name='hidden+',
|
|
)
|
|
|
|
|
|
class Recipe(models.Model):
|
|
rname = models.CharField(max_length=20, unique=True)
|
|
|
|
|
|
class Ingredient(models.Model):
|
|
iname = models.CharField(max_length=20, unique=True)
|
|
recipes = models.ManyToManyField(Recipe, through='RecipeIngredient')
|
|
|
|
|
|
class RecipeIngredient(models.Model):
|
|
ingredient = models.ForeignKey(Ingredient, models.CASCADE, to_field='iname')
|
|
recipe = models.ForeignKey(Recipe, models.CASCADE, to_field='rname')
|
|
|
|
|
|
# Model for #23839
|
|
class NotReferenced(models.Model):
|
|
# Don't point any FK at this model.
|
|
pass
|
|
|
|
|
|
# Models for #23934
|
|
class ExplicitlyProvidedPK(models.Model):
|
|
name = models.IntegerField(primary_key=True)
|
|
|
|
|
|
class ImplicitlyGeneratedPK(models.Model):
|
|
name = models.IntegerField(unique=True)
|
|
|
|
|
|
# Models for #25622
|
|
class ReferencedByGenRel(models.Model):
|
|
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
|
|
object_id = models.PositiveIntegerField()
|
|
content_object = GenericForeignKey('content_type', 'object_id')
|
|
|
|
|
|
class GenRelReference(models.Model):
|
|
references = GenericRelation(ReferencedByGenRel)
|
|
|
|
|
|
class ParentWithUUIDPK(models.Model):
|
|
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
|
|
title = models.CharField(max_length=100)
|
|
|
|
def __str__(self):
|
|
return str(self.id)
|
|
|
|
|
|
class RelatedWithUUIDPKModel(models.Model):
|
|
parent = models.ForeignKey(ParentWithUUIDPK, on_delete=models.SET_NULL, null=True, blank=True)
|
|
|
|
|
|
class Author(models.Model):
|
|
pass
|
|
|
|
|
|
class Authorship(models.Model):
|
|
book = models.ForeignKey(Book, models.CASCADE)
|
|
author = models.ForeignKey(Author, models.CASCADE)
|
|
|
|
|
|
class UserProxy(User):
|
|
"""Proxy a model with a different app_label."""
|
|
class Meta:
|
|
proxy = True
|