logging.py 文件源码

def logsetup(app):

    global _setup_done
    if _setup_done:
        return
    _setup_done = True

    logging.setLoggerClass(ContextAwareLogger)

    syslog_path = '/dev/log'
    if sys.platform == 'darwin':
        syslog_path = '/var/run/syslog'

    # Install log file handler
    handler = SysLogHandler(address=syslog_path, facility=SysLogHandler.LOG_USER)
    handler.name = "serverlog"
    handler.setFormatter(ServerLogFormatter())
    logging.root.addHandler(handler)

    # Install eventLog file handler
    handler = SysLogHandler(address=syslog_path, facility=SysLogHandler.LOG_LOCAL0)
    handler.name = "eventlog"
    handler.setFormatter(EventLogFormatter())
    l = logging.getLogger("eventlog")
    l.propagate = False
    l.addHandler(handler)

    # Install client file handler
    handler = SysLogHandler(address=syslog_path, facility=SysLogHandler.LOG_LOCAL1)
    handler.name = "clientlog"
    handler.setFormatter(ClientLogFormatter())
    l = logging.getLogger("clientlog")
    l.propagate = False
    l.addHandler(handler)

    # Quiet down copule of very chatty loggers. This can be overridden in config.json.
    for logger_name in ['sqlalchemy', 'werkzeug', 'requests.packages.urllib3.connectionpool']:
        logging.getLogger(logger_name).setLevel('WARNING')

    # Apply additional 'level' and 'propagate' settings for handlers and
    # loggers. See https://docs.python.org/2.7/library/logging.config.html#
    # Example format:
    # "logging": {
    #     "version": 1,
    #     "incremental": true,
    #     "loggers": {
    #         "my_chatty_logger": {
    #             "level": "WARNING"
    #         }
    #     },
    #     "handlers": {
    #         "serverlog": {
    #             "level": "INFO",
    #         }
    #     }
    # }
    if 'logging' in app.config:
        logging.config.dictConfig(app.config['logging'])