Setup logger printing to console and file.

python_file_and_console_logger.py

import logger
import os
import time 

LOG_NAME = 'app_name'
LOG_DIR = '../log'

log_fmt = '%(levelname).1s  %(message)s'
logging.basicConfig(level=logging.DEBUG, format=log_fmt)
logger = logging.getLogger(__name__)
timestr = time.strftime("%Y%m%d-%H%M%S")
hdlr = logging.FileHandler(os.path.join(LOG_DIR, f'{LOG_NAME}_{timestr}.log'))
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
hdlr.setFormatter(formatter)
logger.addHandler(hdlr)
logger.setLevel(logging.DEBUG)