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03d0f12c82
In MTI or ForeignKey as primary key cases, it is required to fetch the attname from the field instance on the remote model in order to reliably resolve the to_field_name. Co-authored-by: Johannes Maron <info@johanneshoppe.com> Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com> Co-authored-by: Carlton Gibson <carlton.gibson@noumenal.es>
1049 lines
26 KiB
Python
1049 lines
26 KiB
Python
import datetime
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import tempfile
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import uuid
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from django.contrib import admin
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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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@admin.display(ordering='date', description='')
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def model_year(self):
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return self.date.year
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@admin.display(ordering='-date', description='')
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def model_year_reversed(self):
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return self.date.year
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@property
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@admin.display(ordering='date')
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def model_property_year(self):
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return self.date.year
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@property
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def model_month(self):
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return self.date.month
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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 PKChild(models.Model):
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"""
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Used to check autocomplete to_field resolution when ForeignKey is PK.
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"""
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parent = models.ForeignKey(Parent, models.CASCADE, primary_key=True)
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name = models.CharField(max_length=128)
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class Meta:
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ordering = ['parent']
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def __str__(self):
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return self.name
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class Toy(models.Model):
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child = models.ForeignKey(PKChild, models.CASCADE)
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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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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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def __str__(self):
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return self.iso
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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):
|
|
return self.name
|
|
|
|
|
|
class CyclicOne(models.Model):
|
|
name = models.CharField(max_length=25)
|
|
two = models.ForeignKey('CyclicTwo', models.CASCADE)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class CyclicTwo(models.Model):
|
|
name = models.CharField(max_length=25)
|
|
one = models.ForeignKey(CyclicOne, models.CASCADE)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class Topping(models.Model):
|
|
name = models.CharField(max_length=20)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class Pizza(models.Model):
|
|
name = models.CharField(max_length=20)
|
|
toppings = models.ManyToManyField('Topping', related_name='pizzas')
|
|
|
|
|
|
# Pizza's ModelAdmin has readonly_fields = ['toppings'].
|
|
# toppings is editable for this model's admin.
|
|
class ReadablePizza(Pizza):
|
|
class Meta:
|
|
proxy = True
|
|
|
|
|
|
# No default permissions are created for this model and both name and toppings
|
|
# are readonly for this model's admin.
|
|
class ReadOnlyPizza(Pizza):
|
|
class Meta:
|
|
proxy = True
|
|
default_permissions = ()
|
|
|
|
|
|
class Album(models.Model):
|
|
owner = models.ForeignKey(User, models.SET_NULL, null=True, blank=True)
|
|
title = models.CharField(max_length=30)
|
|
|
|
|
|
class Song(models.Model):
|
|
name = models.CharField(max_length=20)
|
|
album = models.ForeignKey(Album, on_delete=models.RESTRICT)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class Employee(Person):
|
|
code = models.CharField(max_length=20)
|
|
|
|
class Meta:
|
|
ordering = ['name']
|
|
|
|
|
|
class WorkHour(models.Model):
|
|
datum = models.DateField()
|
|
employee = models.ForeignKey(Employee, models.CASCADE)
|
|
|
|
|
|
class Manager(Employee):
|
|
"""
|
|
A multi-layer MTI child.
|
|
"""
|
|
pass
|
|
|
|
|
|
class Bonus(models.Model):
|
|
recipient = models.ForeignKey(Manager, on_delete=models.CASCADE)
|
|
|
|
|
|
class Question(models.Model):
|
|
big_id = models.BigAutoField(primary_key=True)
|
|
question = models.CharField(max_length=20)
|
|
posted = models.DateField(default=datetime.date.today)
|
|
expires = models.DateTimeField(null=True, blank=True)
|
|
related_questions = models.ManyToManyField('self')
|
|
uuid = models.UUIDField(default=uuid.uuid4, unique=True)
|
|
|
|
def __str__(self):
|
|
return self.question
|
|
|
|
|
|
class Answer(models.Model):
|
|
question = models.ForeignKey(Question, models.PROTECT)
|
|
question_with_to_field = models.ForeignKey(
|
|
Question, models.SET_NULL,
|
|
blank=True, null=True, to_field='uuid',
|
|
related_name='uuid_answers',
|
|
limit_choices_to=~models.Q(question__istartswith='not'),
|
|
)
|
|
related_answers = models.ManyToManyField('self')
|
|
answer = models.CharField(max_length=20)
|
|
|
|
def __str__(self):
|
|
return self.answer
|
|
|
|
|
|
class Answer2(Answer):
|
|
class Meta:
|
|
proxy = True
|
|
|
|
|
|
class Reservation(models.Model):
|
|
start_date = models.DateTimeField()
|
|
price = models.IntegerField()
|
|
|
|
|
|
class FoodDelivery(models.Model):
|
|
DRIVER_CHOICES = (
|
|
('bill', 'Bill G'),
|
|
('steve', 'Steve J'),
|
|
)
|
|
RESTAURANT_CHOICES = (
|
|
('indian', 'A Taste of India'),
|
|
('thai', 'Thai Pography'),
|
|
('pizza', 'Pizza Mama'),
|
|
)
|
|
reference = models.CharField(max_length=100)
|
|
driver = models.CharField(max_length=100, choices=DRIVER_CHOICES, blank=True)
|
|
restaurant = models.CharField(max_length=100, choices=RESTAURANT_CHOICES, blank=True)
|
|
|
|
class Meta:
|
|
unique_together = (("driver", "restaurant"),)
|
|
|
|
|
|
class CoverLetter(models.Model):
|
|
author = models.CharField(max_length=30)
|
|
date_written = models.DateField(null=True, blank=True)
|
|
|
|
def __str__(self):
|
|
return self.author
|
|
|
|
|
|
class Paper(models.Model):
|
|
title = models.CharField(max_length=30)
|
|
author = models.CharField(max_length=30, blank=True, null=True)
|
|
|
|
|
|
class ShortMessage(models.Model):
|
|
content = models.CharField(max_length=140)
|
|
timestamp = models.DateTimeField(null=True, blank=True)
|
|
|
|
|
|
class Telegram(models.Model):
|
|
title = models.CharField(max_length=30)
|
|
date_sent = models.DateField(null=True, blank=True)
|
|
|
|
def __str__(self):
|
|
return self.title
|
|
|
|
|
|
class Story(models.Model):
|
|
title = models.CharField(max_length=100)
|
|
content = models.TextField()
|
|
|
|
|
|
class OtherStory(models.Model):
|
|
title = models.CharField(max_length=100)
|
|
content = models.TextField()
|
|
|
|
|
|
class ComplexSortedPerson(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
age = models.PositiveIntegerField()
|
|
is_employee = models.BooleanField(null=True)
|
|
|
|
|
|
class PluggableSearchPerson(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
age = models.PositiveIntegerField()
|
|
|
|
|
|
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)
|
|
|
|
|
|
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)
|
|
|
|
@admin.display(ordering='order')
|
|
def some_order(self):
|
|
return self.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, verbose_name='State verbose_name')
|
|
|
|
|
|
class City(models.Model):
|
|
state = models.ForeignKey(State, models.CASCADE)
|
|
name = models.CharField(max_length=100, verbose_name='City verbose_name')
|
|
|
|
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
|
|
|
|
|
|
class ReadOnlyRelatedField(models.Model):
|
|
chapter = models.ForeignKey(Chapter, models.CASCADE)
|
|
language = models.ForeignKey(Language, models.CASCADE)
|
|
user = models.ForeignKey(User, models.CASCADE)
|