blob: e65aec45fd6c27ca98fa8e627e6a1d84163a32e7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
"""
Tagging components for Django's ``newforms`` form library.
"""
from django import forms
from django.utils.translation import ugettext as _
from tagging import settings
from tagging.utils import parse_tag_input
class TagField(forms.CharField):
"""
A ``CharField`` which validates that its input is a valid list of
tag names.
"""
def clean(self, value):
value = super(TagField, self).clean(value)
if value == u'':
return value
for tag_name in parse_tag_input(value):
if len(tag_name) > settings.MAX_TAG_LENGTH:
raise forms.ValidationError(
_('Each tag may be no more than %s characters long.') % settings.MAX_TAG_LENGTH)
return value
|