1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
"""
Tests of ModelAdmin system checks logic.
"""
from django.contrib.contenttypes.fields import GenericForeignKey
from django.contrib.contenttypes.models import ContentType
from django.db import models
class Album(models.Model):
title = models.CharField(max_length=150)
class Song(models.Model):
title = models.CharField(max_length=150)
album = models.ForeignKey(Album, models.CASCADE)
original_release = models.DateField(editable=False)
class Meta:
ordering = ("title",)
def __str__(self):
return self.title
def readonly_method_on_model(self):
# does nothing
pass
class TwoAlbumFKAndAnE(models.Model):
album1 = models.ForeignKey(Album, models.CASCADE, related_name="album1_set")
album2 = models.ForeignKey(Album, models.CASCADE, related_name="album2_set")
e = models.CharField(max_length=1)
class Author(models.Model):
name = models.CharField(max_length=100)
class Book(models.Model):
name = models.CharField(max_length=100)
subtitle = models.CharField(max_length=100)
price = models.FloatField()
authors = models.ManyToManyField(Author, through="AuthorsBooks")
class AuthorsBooks(models.Model):
author = models.ForeignKey(Author, models.CASCADE)
book = models.ForeignKey(Book, models.CASCADE)
featured = models.BooleanField()
class State(models.Model):
name = models.CharField(max_length=15)
class City(models.Model):
state = models.ForeignKey(State, models.CASCADE)
class Influence(models.Model):
name = models.TextField()
content_type = models.ForeignKey(ContentType, models.CASCADE)
object_id = models.PositiveIntegerField()
content_object = GenericForeignKey("content_type", "object_id")
|
