def update(self, text):
with transaction.manager:
try:
d = self.session.query(Description).filter_by(text=text).one()
except NoResultFound:
d = Description()
d.text = text
self.session.add(d)
d = self.session.merge(d)
return d
def new(self, text):
with transaction.manager:
d = Description()
d.text = text
self.session.add(d)
return self.session.merge(d)