Python logging decorator and simple config.

logger.py

import logging


def log_event(func):
    """
    """
    def wrapper(*args, **kwargs):

        # Code before function call
        # <ADD IT HERE>

        logger = setup_logging()
        res = func(*args, **kwargs)
        # End before function call
        # <ADD IT HERE>
        logger.info("{}: args: {} kwargs: {}".format(
            str(func.__name__), str(args), str(kwargs)))
        return res
    return wrapper


def log_error(message):
    logger = setup_logging()
    logger.error(message)


def log_config():
    config = {
        "version": 1,
        "disable_existing_loggers": False,
        "formatters": {
            "simple": {
                "format": "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
            }
        },

        "handlers": {
            "console": {
                "class": "logging.StreamHandler",
                "level": "DEBUG",
                "formatter": "simple",
                "stream": "ext://sys.stdout"
            },

            "info_file_handler": {
                "class": "logging.handlers.RotatingFileHandler",
                "level": "INFO",
                "formatter": "simple",
                "filename": "info.log",
                "maxBytes": 10485760,
                "backupCount": 20,
                "encoding": "utf8"
            },

            "error_file_handler": {
                "class": "logging.handlers.RotatingFileHandler",
                "level": "ERROR",
                "formatter": "simple",
                "filename": "errors.log",
                "maxBytes": 10485760,
                "backupCount": 20,
                "encoding": "utf8"
            }
        },

        "loggers": {
            "basic_logging_config": {
                "level": "INFO",
                "handlers": ["info_file_handler"],
                "propagate": "no"
            }
        },

        "root": {
            "level": "INFO",
            "handlers": ["console", "info_file_handler", "error_file_handler"]
        }
    }
    return config


def setup_logging():
    logging.config.dictConfig(log_config())
    logger = logging.getLogger("basic_logging_config")
    return logger