我使用的是带有扭曲的autobahn包,它为我显示了每一个连接到websocket的调试消息。我试图将日志记录级别切换到info,但没有成功:
import logging
logging.basicConfig(level=logging.INFO)是否有一种简单的方式来切换日志级别?
更新.
下面是twisted_service.py:
from twisted.application import service
from twisted.logger import Logger
import logging
logging.basicConfig(level=logging.INFO)
class WebsocketService(service.Service):
log = Logger()
def startService(self):
service.Service.startService(self)
self.log.debug('start service')
application = service.Application("ws")
ws_service = WebsocketService()
ws_service.setServiceParent(application)我使用twistd脚本运行它:twistd -noy twisted_service.py并收到一条消息:
2018-03-03T10:45:22+0500 builtin.WebsocketService#debug启动服务
logging.basicConfig没有帮忙。
发布于 2018-03-05 13:00:34
我找到了解决办法:
import sys
from twisted.application import service
from twisted.logger import LogLevelFilterPredicate, LogLevel
from twisted.logger import textFileLogObserver, FilteringLogObserver
class WebsocketService(service.Service):
log = Logger()
def startService(self):
service.Service.startService(self)
self.log.debug('start service')
application = service.Application("ws")
ws_service = WebsocketService()
ws_service.setServiceParent(application)
info_predicate = LogLevelFilterPredicate(LogLevel.info)
log_observer = FilteringLogObserver(textFileLogObserver(sys.stdout), predicates=info_predicate)
application.setComponent(ILogObserver, log_observer)发布于 2018-03-02 11:42:17
若要查找所有记录器及其相应名称,请执行:
logging.Logger.manager.loggerDict.keys()尝试通过获取噪音记录器实例显式地设置它:
import logging
noisyLogger = logging.getLogger("autobahn") # adjust logger name
# noisyLogger.getEffectiveLevel() # indicates the current effective level
noisyLogger.setLevel(logging.INFO)发布于 2020-06-27 19:32:40
我用kalombo的答案为我自己的项目找出了一个解决方案,因为我找不到很多关于这个主题的信息,所以我将在这里分享一些内容,而且我仍然需要找出一些事情。此示例允许我们同时登录到stdout和一个文件,并为每个日志级别选择不同的日志级别。
(还感谢https://stackoverflow.com/a/46651223/213445将日志记录到多个文件。)
详细情况如下:
import sys
from twisted.logger import Logger, LogLevel, LogLevelFilterPredicate, \
textFileLogObserver, FilteringLogObserver, globalLogBeginner
logfile = open("application.log", 'a')
logtargets = []
# Set up the log observer for stdout.
logtargets.append(
FilteringLogObserver(
textFileLogObserver(sys.stdout),
predicates=[LogLevelFilterPredicate(LogLevel.warn)]
)
)
# Set up the log observer for our log file. "debug" is the highest possible level.
logtargets.append(
FilteringLogObserver(
textFileLogObserver(logfile),
predicates=[LogLevelFilterPredicate(LogLevel.debug)]
)
)
# Direct the Twisted Logger to log to both of our observers.
globalLogBeginner.beginLoggingTo(logtargets)
# Start a logger with a namespace for a particular subsystem of our application.
log = Logger("mynamespace")
log.warn("Goes to both outputs.") # Outputs will start with [mynamespace#warn]
log.error("Also go to both outputs; error is higher priority than warn.")
log.debug("Only goes to log file.")
log.info("Also only goes to log file; info is lower priority than warn.")https://stackoverflow.com/questions/49063649
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