logger.py 文件源码

def __init__(self, log, log_level, logger_name, logger_section=None):
        '''
        Set up the logger runtime state.
        '''

        super().__init__()

        self.log_file = log
        self.log_level = log_level
        self.logger_name = logger_name
        self.logger_section = logger_section

        self.name = "%s-%s" % (logger_name, logger_section) if logger_section else logger_name
        self.description = "logger '%s'" % self.name

        logf = str.format(
            "%(asctime)s {0}: <{1}> [%(levelname)s] %(message)s",
            logger_name,
            logger_section,
        ) if logger_section else "%(asctime)s %(name)s: [%(levelname)s] %(message)s"

        self.logger_formatter = logging.Formatter(logf)

        if self.log_file:
            util.directory_create(os.path.dirname(self.log_file))
            self.logger_handler = logging.FileHandler(self.log_file)
            os.chmod(self.log_file, stat.S_IRUSR|stat.S_IWUSR|stat.S_IRGRP|stat.S_IROTH)
        else:
            self.logger_handler = logging.NullHandler()

        self.logger_handler.setFormatter(self.logger_formatter)

        # Initialised in start().
        self.logger = None