pep257.py 文件源码

def setup_stream_handlers(options):
    """Setup logging stream handlers according to the options."""
    class StdoutFilter(logging.Filter):
        def filter(self, record):
            return record.levelno in (logging.DEBUG, logging.INFO)

    if log.handlers:
        for handler in log.handlers:
            log.removeHandler(handler)

    stdout_handler = logging.StreamHandler(sys.stdout)
    stdout_handler.setLevel(logging.WARNING)
    stdout_handler.addFilter(StdoutFilter())
    if options.debug:
        stdout_handler.setLevel(logging.DEBUG)
    elif options.verbose:
        stdout_handler.setLevel(logging.INFO)
    else:
        stdout_handler.setLevel(logging.WARNING)
    log.addHandler(stdout_handler)

    stderr_handler = logging.StreamHandler(sys.stderr)
    stderr_handler.setLevel(logging.WARNING)
    log.addHandler(stderr_handler)