logger.py 文件源码

def create_logger(level=logging.NOTSET):
    """Create a logger for python-gnupg at a specific message level.

    :type level: :obj:`int` or :obj:`str`
    :param level: A string or an integer for the lowest level to include in
                  logs.

    **Available levels:**

    ==== ======== ========================================
    int   str     description
    ==== ======== ========================================
    0    NOTSET   Disable all logging.
    9    GNUPG    Log GnuPG's internal status messages.
    10   DEBUG    Log module level debuging messages.
    20   INFO     Normal user-level messages.
    30   WARN     Warning messages.
    40   ERROR    Error messages and tracebacks.
    50   CRITICAL Unhandled exceptions and tracebacks.
    ==== ======== ========================================
    """
    _test = os.path.join(os.path.join(os.getcwd(), 'gnupg'), 'test')
    _now  = datetime.now().strftime("%Y-%m-%d_%H%M%S")
    _fn   = os.path.join(_test, "%s_test_gnupg.log" % _now)
    _fmt  = "%(relativeCreated)-4d L%(lineno)-4d:%(funcName)-18.18s %(levelname)-7.7s %(message)s"

    ## Add the GNUPG_STATUS_LEVEL LogRecord to all Loggers in the module:
    logging.addLevelName(GNUPG_STATUS_LEVEL, "GNUPG")
    logging.Logger.status = status

    if level > logging.NOTSET:
        logging.basicConfig(level=level, filename=_fn,
                            filemode="a", format=_fmt)
        logging.logThreads = True
        if hasattr(logging,'captureWarnings'):
            logging.captureWarnings(True)
        colouriser = _ansistrm.ColorizingStreamHandler
        colouriser.level_map[9]  = (None, 'blue', False)
        colouriser.level_map[10] = (None, 'cyan', False)
        handler = colouriser(sys.stderr)
        handler.setLevel(level)

        formatr = logging.Formatter(_fmt)
        handler.setFormatter(formatr)
    else:
        handler = NullHandler()

    log = logging.getLogger('gnupg')
    log.addHandler(handler)
    log.setLevel(level)
    log.info("Log opened: %s UTC" % datetime.ctime(datetime.utcnow()))
    return log