This is a logging.getLogger() wrapper. If there are no specific logging policy and we need a just simple logging approach, this may be useful. You can get a prepared logger anywhere by "logger = configuratedlog.get_logger(__name__)"

configuratedlog.py

# -*- coding: utf-8 -*-
import logging
import logging.handlers
'''
logcreater is wrapper of logging.getLogger().
This manage to create configurated logger instances safely.
'''

logger_dict = {}

# Default settings
LEVEL = logging.DEBUG
FORMAT = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
LOG_FILE_PATH = 'path-to-logging-file'
ROTATE_FILE_SIZE = 10000000
N_BACKUP_FILE = 5

def get_logger(name):
    '''
    get_logger return a logger with default configuration.
    '''
    # If the named logger has been already created, return the logger.
    if name in logger_dict:
        return logger_dict[name]

    logger = logging.getLogger(name)

    # Configurate default logger.
    logger.setLevel(LEVEL)
    formatter = logging.Formatter(FORMAT)

    rh = logging.handlers.RotatingFileHandler(LOG_FILE_PATH,
                                              maxBytes=ROTATE_FILE_SIZE,
                                              backupCount=N_BACKUP_FILE
    )
    
    rh.setLevel(LEVEL)
    rh.setFormatter(formatter)
    
    logger.addHandler(rh)

    # Add dictionary containing names of created logger.
    logger_dict[name] = logger

    return logger