def get_tags(tags, create=False, str_pk=False):
if isinstance(tags, (str, unicode)):
tags = parse_tags(tags)
tag_set = set()
names = set()
tag_lookups = set()
for tag in tags:
if isinstance(tag, Tag):
tag_set.add(tag)
if create and not tag.pk:
tag.save()
elif isinstance(tag, basestring):
try:
tag_lookups.add(models.Q(pk=int(tag)))
except ValueError:
if create:
names.add(tag)
tag_lookups.add(models.Q(name=tag))
elif isinstance(tag, (int, long)):
tag_lookups.add(models.Q(pk=tag))
if tag_lookups:
for tag in Tag.objects.filter(reduce_or(tag_lookups)):
tag_set.add(tag)
for name in names.difference(tag.name for tag in tag_set):
tag_set.add(Tag.objects.create(name=name))
return tag_set
def assign(self, tags):
if isinstance(tags, (str, unicode)):
tags = parse_tags(tags)
self.clear()
self.add(*tags)
