Logger filter sample

logger-filter-sample.py

import logging
import sys

class SecretFilter(logging.Filter):
    def filter(self, record):
        if record.msg.find("key") != -1:
            record.msg = "*** key had been hided ***"
        return True

logger = logging.getLogger("mylogger")
logger.setLevel(logging.DEBUG)

console = logging.StreamHandler(sys.stdout)
console.setLevel("INFO")
logger.addHandler(console)

filt = SecretFilter()
console.addFilter(filt)

logger.info("key: THIS_IS_A_SECRET_KEY")
logger.info("normal log")



"""
*** key had been hided ***
normal log
"""