#导入logging模块import logging#创建个logger对象logger = logging.getLogger()#定义logger的日志级别为DEBUGlogger.setLevel(logging.DEBUG)#定义一个format格式fmt = logging.Formatter("[%(lineno)d] %(asctime)s %(message)s")#定义一个要写入的日志文件file ="logger.log"#定义写日志模式filemode ='w'#定义...
logger并不是直接实例化使用的,而是通过logging.getLogger(name)来获取对象,事实上logger对象是单例模式,logging是多线程安全的,也就是无论程序中哪里需要打日志获取到的logger对象都是同一个。但是不幸的是logger并不支持多进程,这个在后面的章节再解释,并给出一些解决方案。 【注意】loggers对象是有父子关系的,当没...
logging.error(msg, *args, **kwargs) 创建一条严重级别为ERROR的日志记录 logging.critical(msg, *args, **kwargs) 创建一条严重级别为CRITICAL的日志记录 logging.log(level, *args, **kwargs) 创建一条严重级别为level的日志记录 logging.basicConfig(**kwargs) 对root logger进行一次性配置 logging.basicCon...
上一期,我们抛出一个问题:多进程下的日志切割会报错,如图下。 importlogging.configimporttimeimportloggingfrommultiprocessingimportProcessmylog_dict={"version":1,"disable_existing_loggers":True,"formatters":{'standard':{'format':'{levelname} {asctime} {module} {process:d} {thread:d} {message}','st...
# coding:utf-8importlogging# 获取日志对象logger=logging.getLogger("mimi")# 设置日式级别logger.setLevel(logging.INFO)# 创建终端输出的StreamHandlerstream_handler=logging.StreamHandler()# 创建用于记录日志的日志文件FileHandler对象# 参数说明 filename表示日志文件名称,mode表示日志文件使用的模式,encoding表示文件的...
importloggingtry:conn=mysql.connector.connect(user=db_user,password=db_passwd,host=db_host,port=db_port,database=access_db)cur=conn.cursor()cur.execute(unormal_task_sql)unormal_task_results=cur.fetchall()exceptException,e:logger=getLogger()logger.error('fail to get data from oss db: %s:%s...
This function does nothing if the root logger already has handlers configured. It is a convenience method intended for use by simple scripts to do one-shot configuration of the logging package. The default behaviour is to create a StreamHandler which writes to ...
logging.basicConfig(format='%(levelname)s:%(message)s',level=logging.DEBUG)logging.debug('This message should go to the log file')logging.info('So should this')logging.warning('And this, too') 1,第一行导入包 2,第二行利用basicConfig 对输出的格式,和输出级别做了限制 ...
logger = logging.getLogger("logger") handler1 = logging.StreamHandler() handler2 = logging.FileHandler(filename="test.log") logger.setLevel(logging.DEBUG) handler1.setLevel(logging.WARNING) handler2.setLevel(logging.DEBUG) formatter = logging.Formatter("%(asctime)s %(name)s %(levelname)s %(...
def get_logger(self): self.logger = logging.getLogger(__name__) # 日志格式 formatter = '[%(asctime)s-%(filename)s][%(funcName)s-%(lineno)d]--%(message)s' # 日志级别 self.logger.setLevel(logging.DEBUG) # 控制台日志 sh = logging.StreamHandler() ...