db.py 文件源码

def guarded_session():
    '''
    Context manager that will automatically close session on exceptions
    '''
    try:
        session = Session()
        yield session
    except IrisValidationException as e:
        session.close()
        raise HTTPBadRequest('Validation error', str(e))
    except (HTTPForbidden, HTTPUnauthorized, HTTPNotFound, HTTPBadRequest):
        session.close()
        raise
    except Exception:
        session.close()
        logger.exception('SERVER ERROR')
        raise