python logging

.py

import os,\
       logging

logger = logging.getLogger(__name__)
logger.setLevel(logging.ERROR)
LOGS = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'logs')

filehandler = logging.FileHandler(os.path.join(LOGS, 'main.log'), mode='a')
formatter = logging.Formatter('%(asctime)s : %(name)s : %(message)s')

logger.addHandler(filehandler)
filehandler.setFormatter(formatter)


logger.info("Exception!!!") # std console output
logger.error("Exception!!!") # std console output and log file