def add_tag_by_name(self, tag_name, vocab=None, autoflush=True):
"""Add a tag with the given name to this package's tags.
By default the given tag_name will be searched for among the free tags
(tags which do not belong to any vocabulary) only. If the optional
argument `vocab` is given then the named vocab will be searched for the
tag name instead.
If no tag with the given name is found, one will be created. If the
optional argument vocab is given and there is no tag with the given
name in the given vocabulary, then a new tag will be created and added
to the vocabulary.
"""
from ckan.model.tag import Tag
if not tag_name:
return
# Get the named tag.
tag = Tag.by_name(tag_name, vocab=vocab, autoflush=autoflush)
if not tag:
# Tag doesn't exist yet, make a new one.
if vocab:
tag = Tag(name=tag_name, vocabulary_id=vocab.id)
else:
tag = Tag(name=tag_name)
assert tag is not None
self.add_tag(tag)
def update_tags(self, tags):
tags = [t.strip(',').strip() for t in tags]
for idea_tag in self.tags:
if idea_tag.tag.name in tags:
tags.remove(idea_tag.tag.name)
else:
idea_tag.delete()
for tag_name in tags:
tag = Tag.by_name(tag_name)
if not tag:
tag = Tag(name=tag_name)
idea_tag = IdeaTag(idea=self, tag=tag)
idea_tag.add()
self.tags.append(idea_tag)
def update_tags(self, tags):
tags = [t.strip(',').strip() for t in tags]
for app_tag in self.tags:
if app_tag.tag.name in tags:
tags.remove(app_tag.tag.name)
else:
app_tag.delete()
for tag_name in tags:
tag = Tag.by_name(tag_name)
if not tag:
tag = Tag(name=tag_name)
app_tag = ApplicationTag(application=self, tag=tag)
app_tag.add()
self.tags.append(app_tag)