class CustomFormatter(logging.Formatter): grey = "\x1b[38;20m" yellow = "\x1b[33;20m" red = "\x1b[31;20m" bold_red = "\x1b[31;1m" reset = "\x1b[0m" format = "%(asctime)s - %(name)s - %(levelname)s - %(message)s (%(filename)s:%(lineno)d)" FORMATS = { logging.DEBUG: grey + format + reset, logging.INFO: grey + format + reset, logging.WARNING: yellow + format + reset, logging.ERROR: red + format + reset, logging.CRITICAL: bold_red + format + reset } def format(self, record): log_fmt = self.FORMATS.get(record.levelno) formatter = logging.Formatter(log_fmt) return formatter.format(record) # create logger with 'spam_application' logger = logging.getLogger("My_app") logger.setLevel(logging.DEBUG) # create console handler with a higher log level ch = logging.StreamHandler() ch.setLevel(logging.DEBUG) ch.setFormatter(CustomFormatter()) logger.addHandler(ch)