Python 로그 모듈

#   logging 
import logging
#       
logging.basicConfig(level=logging.DEBUG, format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
#        
logger = logging.getLogger("  V1")
#          
# info
logger.info("    info   ")

#debug
logger.debug("    debug   ")

# warning
logger.warning("    warning   ")

import logging

# 1.  logger  
logger =logging.getLogger("log_file")
# 2.  log  
logger.setLevel(logging.INFO)
# 3.  handler，              
fh_stream = logging.StreamHandler()  #     handler
fh_file = logging.FileHandler("test.log", encoding="utf8")  #      handler

# 4.                 
fh_stream.setLevel(logging.WARNING)  #         
fh_file.setLevel(logging.DEBUG)  #          

# 5.  handler     
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh_stream.setFormatter(formatter)  #         
fh_file.setFormatter(formatter)  #          

# 6.  handler
logger.addHandler(fh_stream)
logger.addHandler(fh_file)

# 7.    
logger.info("  info   ")
logger.debug("  debug   ")
logger.warning("  warning   ")

import logging
import datetime
import os

#          
log_l = {
    "info": logging.INFO,
    "debug": logging.DEBUG,
    "warning": logging.WARNING,
    "error": logging.ERROR
}


# 1.    
class Logger:
    # 2.     :          test.log, logger  ,        
    def __init__(self, log_file, log_name, log_level):
        self.logger = logging.getLogger(log_name)  #   logger  
        self.logger.setLevel(log_l[log_level])  #             

        # 3.      handler
        if not self.logger.handlers:  #        handler,       handler
            fh_stream = logging.StreamHandler()
            fh_stream.setLevel(log_l[log_level])
            formatter = logging.Formatter('%(asctime)s - %(name)s -%(lineno)s - %(levelname)s - %(message)s')
            fh_stream.setFormatter(formatter)
            self.logger.addHandler(fh_stream)
        # 4.         handler
            fh_file = logging.FileHandler(log_file)
            fh_file.setLevel(log_l[log_level])
            fh_file.setFormatter(formatter)
            self.logger.addHandler(fh_file)


#   logs  
log_path = os.path.dirname(__file__)  #       
log_path = log_path + os.path.sep + "logs"  #   logs  
current_data = datetime.datetime.now().strftime("%Y-%m-%d")  #        
log_file = os.path.join(log_path, current_data + ".log")  #        
# print(log_file)

#       
loglevel = "info"


#    log   ,         
def my_log(log_name=__file__):
    return Logger(log_file, log_name, loglevel).logger


if __name__ == '__main__':
    log = my_log("           ")
    log.info("    info  ")