def save(session, *items_to_save):
for item in items_to_save:
session.add(item)
try:
session.commit()
except:
logging.exception('Error saving to the database')
session.rollback()
raise
def session_scope():
"""Provide a transactional scope around a series of operations."""
try:
yield session
session.commit()
except:
session.rollback()
raise
finally:
session.close()
