context_util.py 文件源码

def error_handler(func):
    from sqlalchemy.exc import IntegrityError
    import traceback,sys
    @functools.wraps(func)
    def inner(*args, **kwargs):
        try:
            return func(*args, **kwargs)
        except ValueError as exc:
            traceback.print_exc(file=sys.stdout)
            return jsonify({'error': 'Invalid input'}), 422, {'ContentType': 'application/json'}

        except IntegrityError as exc:
            traceback.print_exc(file=sys.stdout)
            return jsonify({'error': 'Already exists'}), 409, {'ContentType': 'application/json'}

    return inner