configure console and rotating logger

logging_sample.py

import os
import logging
import logging.handlers
import datetime

def configure_console_and_rotating_logger(log_file_name=__name__, 
                      log_folder="./logs", 
                      date_format="%Y-%m-%d %H:%M:%S", 
                      log_format="%(asctime)s - %(module)s - %(levelname)s - %(message)s",
                      log_level=logging.NOTSET,
                      max_bytes=500000,
                      backup_count=20):
    
    logger = logging.getLogger()
    logger.setLevel(log_level)  

    #compute day of year
    day_of_year = datetime.datetime.now().toordinal()
    
    # setup rotating log handler
    log_folder = os.path.abspath(log_folder)
    if not os.path.exists(log_folder):
        os.mkdir(log_folder)
    console_handler = logging.StreamHandler()
    rotating_name = log_file_name + "_%06d.log" % day_of_year
    rotating_name = os.path.join(log_folder, rotating_name)
    rotating_handler = logging.handlers.RotatingFileHandler(rotating_name, 
                                                            maxBytes=max_bytes,
                                                            backupCount=backup_count)
    # setup formatters
    formatter = logging.Formatter(log_format, date_format)
    console_handler.setFormatter(formatter)
    rotating_handler.setFormatter(formatter)
    logger.addHandler(console_handler)
    logger.addHandler(rotating_handler )

if __name__ == "__main__":
    #example usage 
    configure_console_and_rotating_logger()
    logging.info("test")