/
models.py
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models.py
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# -*- coding: utf-8 -*-
import tempfile
import os
from django.core.files.storage import FileSystemStorage
from django.db import models
from django.contrib import admin
class Section(models.Model):
"""
A simple section that links to articles, to test linking to related items
in admin views.
"""
name = models.CharField(max_length=100)
class Article(models.Model):
"""
A simple article to test admin views. Test backwards compatibility.
"""
title = models.CharField(max_length=100)
content = models.TextField()
date = models.DateTimeField()
section = models.ForeignKey(Section)
def __unicode__(self):
return self.title
def model_year(self):
return self.date.year
model_year.admin_order_field = 'date'
class Book(models.Model):
"""
A simple book that has chapters.
"""
name = models.CharField(max_length=100, verbose_name=u'¿Name?')
def __unicode__(self):
return self.name
class Promo(models.Model):
name = models.CharField(max_length=100, verbose_name=u'¿Name?')
book = models.ForeignKey(Book)
def __unicode__(self):
return self.name
class Chapter(models.Model):
title = models.CharField(max_length=100, verbose_name=u'¿Title?')
content = models.TextField()
book = models.ForeignKey(Book)
def __unicode__(self):
return self.title
class Meta:
verbose_name = u'¿Chapter?'
class ChapterXtra1(models.Model):
chap = models.OneToOneField(Chapter, verbose_name=u'¿Chap?')
xtra = models.CharField(max_length=100, verbose_name=u'¿Xtra?')
def __unicode__(self):
return u'¿Xtra1: %s' % self.xtra
class ChapterXtra2(models.Model):
chap = models.OneToOneField(Chapter, verbose_name=u'¿Chap?')
xtra = models.CharField(max_length=100, verbose_name=u'¿Xtra?')
def __unicode__(self):
return u'¿Xtra2: %s' % self.xtra
def callable_year(dt_value):
return dt_value.year
callable_year.admin_order_field = 'date'
class ArticleInline(admin.TabularInline):
model = Article
class ChapterInline(admin.TabularInline):
model = Chapter
class ArticleAdmin(admin.ModelAdmin):
list_display = ('content', 'date', callable_year, 'model_year', 'modeladmin_year')
list_filter = ('date',)
def changelist_view(self, request):
"Test that extra_context works"
return super(ArticleAdmin, self).changelist_view(
request, extra_context={
'extra_var': 'Hello!'
}
)
def modeladmin_year(self, obj):
return obj.date.year
modeladmin_year.admin_order_field = 'date'
class CustomArticle(models.Model):
content = models.TextField()
date = models.DateTimeField()
class CustomArticleAdmin(admin.ModelAdmin):
"""
Tests various hooks for using custom templates and contexts.
"""
change_list_template = 'custom_admin/change_list.html'
change_form_template = 'custom_admin/change_form.html'
object_history_template = 'custom_admin/object_history.html'
delete_confirmation_template = 'custom_admin/delete_confirmation.html'
def changelist_view(self, request):
"Test that extra_context works"
return super(CustomArticleAdmin, self).changelist_view(
request, extra_context={
'extra_var': 'Hello!'
}
)
class ModelWithStringPrimaryKey(models.Model):
id = models.CharField(max_length=255, primary_key=True)
def __unicode__(self):
return self.id
class Color(models.Model):
value = models.CharField(max_length=10)
warm = models.BooleanField()
def __unicode__(self):
return self.value
class Thing(models.Model):
title = models.CharField(max_length=20)
color = models.ForeignKey(Color, limit_choices_to={'warm': True})
def __unicode__(self):
return self.title
class ThingAdmin(admin.ModelAdmin):
list_filter = ('color',)
class Fabric(models.Model):
NG_CHOICES = (
('Textured', (
('x', 'Horizontal'),
('y', 'Vertical'),
)
),
('plain', 'Smooth'),
)
surface = models.CharField(max_length=20, choices=NG_CHOICES)
class FabricAdmin(admin.ModelAdmin):
list_display = ('surface',)
list_filter = ('surface',)
class Person(models.Model):
GENDER_CHOICES = (
(1, "Male"),
(2, "Female"),
)
name = models.CharField(max_length=100)
gender = models.IntegerField(choices=GENDER_CHOICES)
alive = models.BooleanField()
def __unicode__(self):
return self.name
class Meta:
ordering = ["id"]
class PersonAdmin(admin.ModelAdmin):
list_display = ('name', 'gender', 'alive')
list_editable = ('gender', 'alive')
list_filter = ('gender',)
search_fields = (u'name',)
ordering = ["id"]
save_as = True
class Persona(models.Model):
"""
A simple persona associated with accounts, to test inlining of related
accounts which inherit from a common accounts class.
"""
name = models.CharField(blank=False, max_length=80)
def __unicode__(self):
return self.name
class Account(models.Model):
"""
A simple, generic account encapsulating the information shared by all
types of accounts.
"""
username = models.CharField(blank=False, max_length=80)
persona = models.ForeignKey(Persona, related_name="accounts")
servicename = u'generic service'
def __unicode__(self):
return "%s: %s" % (self.servicename, self.username)
class FooAccount(Account):
"""A service-specific account of type Foo."""
servicename = u'foo'
class BarAccount(Account):
"""A service-specific account of type Bar."""
servicename = u'bar'
class FooAccountAdmin(admin.StackedInline):
model = FooAccount
extra = 1
class BarAccountAdmin(admin.StackedInline):
model = BarAccount
extra = 1
class PersonaAdmin(admin.ModelAdmin):
inlines = (
FooAccountAdmin,
BarAccountAdmin
)
class Parent(models.Model):
name = models.CharField(max_length=128)
class Child(models.Model):
parent = models.ForeignKey(Parent, editable=False)
name = models.CharField(max_length=30, blank=True)
class ChildInline(admin.StackedInline):
model = Child
class ParentAdmin(admin.ModelAdmin):
model = Parent
inlines = [ChildInline]
class EmptyModel(models.Model):
def __unicode__(self):
return "Primary key = %s" % self.id
class EmptyModelAdmin(admin.ModelAdmin):
def queryset(self, request):
return super(EmptyModelAdmin, self).queryset(request).filter(pk__gt=1)
temp_storage = FileSystemStorage(tempfile.mkdtemp())
UPLOAD_TO = os.path.join(temp_storage.location, 'test_upload')
class Gallery(models.Model):
name = models.CharField(max_length=100)
class Picture(models.Model):
name = models.CharField(max_length=100)
image = models.FileField(storage=temp_storage, upload_to='test_upload')
gallery = models.ForeignKey(Gallery, related_name="pictures")
class PictureInline(admin.TabularInline):
model = Picture
extra = 1
class GalleryAdmin(admin.ModelAdmin):
inlines = [PictureInline]
class PictureAdmin(admin.ModelAdmin):
pass
# a base class for Recommender and Recommendation
class Title(models.Model):
pass
class TitleTranslation(models.Model):
title = models.ForeignKey(Title)
text = models.CharField(max_length=100)
class Recommender(Title):
pass
class Recommendation(Title):
recommender = models.ForeignKey(Recommender)
class RecommendationAdmin(admin.ModelAdmin):
search_fields = ('titletranslation__text', 'recommender__titletranslation__text',)
class Collector(models.Model):
name = models.CharField(max_length=100)
class Widget(models.Model):
owner = models.ForeignKey(Collector)
name = models.CharField(max_length=100)
class DooHickey(models.Model):
code = models.CharField(max_length=10, primary_key=True)
owner = models.ForeignKey(Collector)
name = models.CharField(max_length=100)
class Grommet(models.Model):
code = models.AutoField(primary_key=True)
owner = models.ForeignKey(Collector)
name = models.CharField(max_length=100)
class Whatsit(models.Model):
index = models.IntegerField(primary_key=True)
owner = models.ForeignKey(Collector)
name = models.CharField(max_length=100)
class Doodad(models.Model):
name = models.CharField(max_length=100)
class FancyDoodad(Doodad):
owner = models.ForeignKey(Collector)
expensive = models.BooleanField(default=True)
class WidgetInline(admin.StackedInline):
model = Widget
class DooHickeyInline(admin.StackedInline):
model = DooHickey
class GrommetInline(admin.StackedInline):
model = Grommet
class WhatsitInline(admin.StackedInline):
model = Whatsit
class FancyDoodadInline(admin.StackedInline):
model = FancyDoodad
class CollectorAdmin(admin.ModelAdmin):
inlines = [WidgetInline, DooHickeyInline, GrommetInline, WhatsitInline, FancyDoodadInline]
admin.site.register(Article, ArticleAdmin)
admin.site.register(CustomArticle, CustomArticleAdmin)
admin.site.register(Section, save_as=True, inlines=[ArticleInline])
admin.site.register(ModelWithStringPrimaryKey)
admin.site.register(Color)
admin.site.register(Thing, ThingAdmin)
admin.site.register(Person, PersonAdmin)
admin.site.register(Persona, PersonaAdmin)
admin.site.register(Parent, ParentAdmin)
admin.site.register(EmptyModel, EmptyModelAdmin)
admin.site.register(Fabric, FabricAdmin)
admin.site.register(Gallery, GalleryAdmin)
admin.site.register(Picture, PictureAdmin)
admin.site.register(Recommendation, RecommendationAdmin)
admin.site.register(Recommender)
admin.site.register(Collector, CollectorAdmin)
# We intentionally register Promo and ChapterXtra1 but not Chapter nor ChapterXtra2.
# That way we cover all four cases:
# related ForeignKey object registered in admin
# related ForeignKey object not registered in admin
# related OneToOne object registered in admin
# related OneToOne object not registered in admin
# when deleting Book so as exercise all four troublesome (w.r.t escaping
# and calling force_unicode to avoid problems on Python 2.3) paths through
# contrib.admin.util's get_deleted_objects function.
admin.site.register(Book, inlines=[ChapterInline])
admin.site.register(Promo)
admin.site.register(ChapterXtra1)