logging.py 文件源码

def __init__(self, name, level, fn, lno, msg, args, exc_info, func, extra):
        logging.LogRecord.__init__(self, name, level, fn, lno, msg, args, exc_info, func)
        log_details = get_log_details()
        log_details.update(extra or {})
        for k in log_details.iterkeys():
            setattr(self, k, log_details[k])
        logger_fields = "levelname", "levelno", "process", "thread", "name", \
                        "filename", "module", "funcName", "lineno"
        for f in logger_fields:
            log_details["logger"][f] = getattr(self, f, None)
        try:
            correlation_id = request.correlation_id
        except Exception:
            correlation_id = None

        log_details["logger"]["correlation_id"] = correlation_id
        log_details["logger"]["created"] = datetime.datetime.utcnow().isoformat() + "Z"
        for k in log_details.iterkeys():
            setattr(self, k, log_details[k])