logger.py 文件源码

def _configure_loggers(self, config):
        loggers_config = config.logging.loggers
        logfile = config.logging.filename

        logger_dict = copy.deepcopy(LOGGER_CONFIG_TEMPLATE)
        if logfile:
            # set filename on file handler
            logger_dict['handlers']['file']['filename'] = logfile
            logfile_dir = os.path.dirname(logfile)
            if not os.path.exists(logfile_dir):
                os.makedirs(logfile_dir)
            self._log_file = logfile
        else:
            del logger_dict['handlers']['file']

        # add handlers to all loggers
        loggers = {}
        for logger_name in loggers_config:
            loggers[logger_name] = dict(handlers=list(logger_dict['handlers'].keys()))
            self._all_loggers_names.append(logger_name)
        logger_dict['loggers'] = loggers

        # set level for all loggers
        for logger_name, logging_level in loggers_config.iteritems():
            log = logging.getLogger(logger_name)
            level = logging._levelNames[logging_level.upper()]
            log.setLevel(level)

        dictconfig.dictConfig(logger_dict)