#!/usr/bin/env python3
# ----------------------------------------------------------------------------------------------------------
# Copyright (c) 2026 Huawei Technologies Co., Ltd.
# This program is free software, you can redistribute it and/or modify it under the terms and conditions of
# CANN Open Software License Agreement Version 2.0 (the "License").
# Please refer to the License for details. You may not use this file except in compliance with the License.
# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
# INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
# See LICENSE in the root of the software repository for the full text of the License.
# ----------------------------------------------------------------------------------------------------------

"""logger 公共配置：INFO/DEBUG → stdout，WARNING+ → stderr。

供 validate_task.py 等同目录脚本复用，避免重复定义 _setup_logger。
"""
import logging
import sys


def setup_logger(logger: logging.Logger) -> None:
    """配置 logger：INFO/DEBUG → stdout，WARNING+ → stderr，保留原有输出语义。"""
    if logger.handlers:
        return
    logger.setLevel(logging.INFO)
    logger.propagate = False
    fmt = logging.Formatter("%(message)s")

    stdout_handler = logging.StreamHandler(sys.stdout)
    stdout_handler.setLevel(logging.DEBUG)
    stdout_handler.addFilter(lambda record: record.levelno < logging.WARNING)
    stdout_handler.setFormatter(fmt)
    logger.addHandler(stdout_handler)

    stderr_handler = logging.StreamHandler(sys.stderr)
    stderr_handler.setLevel(logging.WARNING)
    stderr_handler.setFormatter(fmt)
    logger.addHandler(stderr_handler)