blob: 199e5eb5822f16e37f7f4f0f37f8e41fc200396a (
plain)
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
|
"""
Models for generic tagging.
"""
from django.db import models
from django.contrib.contenttypes import generic
from django.contrib.contenttypes.models import ContentType
from tagging.managers import TagManager, TaggedItemManager
from tagging.validators import isTag
class Tag(models.Model):
"""
A basic tag.
"""
name = models.CharField(max_length=50, unique=True, db_index=True, validator_list=[isTag])
objects = TagManager()
class Meta:
db_table = 'tag'
verbose_name = 'Tag'
verbose_name_plural = 'Tags'
ordering = ('name',)
class Admin:
pass
def __unicode__(self):
return self.name
class TaggedItem(models.Model):
"""
Holds the relationship between a tag and the item being tagged.
"""
tag = models.ForeignKey(Tag, related_name='items')
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
object = generic.GenericForeignKey('content_type', 'object_id')
objects = TaggedItemManager()
class Meta:
db_table = 'tagged_item'
verbose_name = 'Tagged Item'
verbose_name_plural = 'Tagged Items'
# Enforce unique tag association per object
unique_together = (('tag', 'content_type', 'object_id'),)
class Admin:
pass
def __unicode__(self):
return u'%s [%s]' % (self.object, self.tag)
|