import logging class CustomFormatter(logging.Formatter): def __init__(self): super().__init__( fmt="[%(asctime)s] %(levelname)s in %(module)s: %(message)s") def format(self, record): format_orig = self._style._fmt if record.levelno == logging.INFO: self._style._fmt = "%(message)s" result = logging.Formatter.format(self, record) self._style._fmt = format_orig return result