def _set_tags(self, tags):
self._tags = tags
if self.id:
# ensure existing tag references are removed
d = db.delete(question_tags, question_tags.c.question_id == self.id)
db.engine.execute(d)
for tag in set(self.taglist):
slug = slugify(tag)
tag_obj = Tag.query.filter(Tag.slug == slug).first()
if tag_obj is None:
tag_obj = Tag(name=tag, slug=slug)
db.session.add(tag_obj)
if self not in tag_obj.question:
tag_obj.question.append(self)
def _set_name(self, name):
self._name = name.lower().strip()
self.slug = slugify(name)