def print_log(msg, logger=None, level=logging.INFO):
    """Print a log message.

    Args:
        msg (str): The message to be logged.
        logger (logging.Logger | str | None): The logger to be used.
            Some special loggers are:
            - "silent": no message will be printed.
            - other str: the logger obtained with `get_root_logger(logger)`.
            - None: The `print()` method will be used to print log messages.
        level (int): Logging level. Only available when `logger` is a Logger
            object or "root".
    """
    if logger is None:
        print(msg)
    elif isinstance(logger, logging.Logger):
        logger.log(level, msg)
    elif logger == 'silent':
        pass
    elif isinstance(logger, str):
        _logger = get_logger(logger)
        _logger.log(level, msg)
    else:
        raise TypeError(
            'logger should be either a logging.Logger object, str, '
            f'"silent" or None, but got {type(logger)}')
Print a log message.

    Args:
        msg (str): The message to be logged.
        logger (logging.Logger | str | None): The logger to be used.
            Some special loggers are:
            - "silent": no message will be printed.
            - other str: the logger obtained with `get_root_logger(logger)`.
            - None: The `print()` method will be used to print log messages.
        level (int): Logging level. Only available when `logger` is a Logger
            object or "root".
    
ControlNet-v1-1-nightly/annotator/uniformer/mmcv/utils/logging.py