def update_tags(self, obj, tag_names):
"""
Update tags associated with an object.
"""
ctype = ContentType.objects.get_for_model(obj)
current_tags = list(self.filter(
supertaggeditem__content_type__pk=ctype.pk,
supertaggeditem__object_id=obj.pk
))
updated_tag_names = parse_tag_input(tag_names)
# Always lower case tags
updated_tag_names = [t.lower() for t in updated_tag_names]
# Process the tags with Calais
from supertagging.modules import process
processed_tags = process(obj, updated_tag_names)
for t in updated_tag_names:
if t not in [p.name for p in processed_tags]:
try:
tags = self.filter(name__iexact=t)
tag = tags[0] # Take the first found tag with the same name.
except:
tag = self.create(id=t, name=t, slug=slugify(t), stype='Custom')
SuperTaggedItem._default_manager.get_or_create(tag=tag, content_type=ctype, object_id=obj.pk, field='None')
def clean_name(self):
value = self.cleaned_data['name']
tag_names = parse_tag_input(value)
if len(tag_names) > 1:
raise ValidationError(_('Multiple tags were given.'))
#elif len(tag_names[0]) > settings.MAX_TAG_LENGTH:
# raise forms.ValidationError(
# _('A tag may be no more than %s characters long.') %
# settings.MAX_TAG_LENGTH)
return value
