setup_logging.py 文件源码

def setup_logging(verbose=0, colors=False, name=None):
    """Configure console logging. Info and below go to stdout, others go to stderr.

    :param int verbose: Verbosity level. > 0 print debug statements. > 1 passed to sphinx-build.
    :param bool colors: Print color text in non-verbose mode.
    :param str name: Which logger name to set handlers to. Used for testing.
    """
    root_logger = logging.getLogger(name)
    root_logger.setLevel(logging.DEBUG if verbose > 0 else logging.INFO)
    formatter = ColorFormatter(verbose > 0, colors)
    if colors:
        colorclass.Windows.enable()

    handler_stdout = logging.StreamHandler(sys.stdout)
    handler_stdout.setFormatter(formatter)
    handler_stdout.setLevel(logging.DEBUG)
    handler_stdout.addFilter(type('', (logging.Filter,), {'filter': staticmethod(lambda r: r.levelno <= logging.INFO)}))
    root_logger.addHandler(handler_stdout)

    handler_stderr = logging.StreamHandler(sys.stderr)
    handler_stderr.setFormatter(formatter)
    handler_stderr.setLevel(logging.WARNING)
    root_logger.addHandler(handler_stderr)