logging_config.json

{
    "version": 1,

    "disable_exsisting_loggers": false,

    "formatters": {
        "simple": {"format": "%(levelname)s: %(message)s"},
        "expanded": {
            "format": "%(levelname)s - %(name)s - %(filename)s - %(module)s - %(funcName)s - %(message)s"
        },
        "detailed": {
            "format": "[%(levelname)s|%(module)s|%(funcName)s|L%(lineno)d] %(asctime)s: %(message)s",
            "datefmt": "%Y-%m-%dT%H:%M:%S%z"
        }
    },

    "handlers": {
        "stdout": {
            "class": "logging.StreamHandler",
            "formatter": "simple",
            "stream": "ext://sys.stdout"
        },
        "stderr": {
            "class": "logging.StreamHandler",
            "level": "WARNING",
            "formatter": "expanded",
            "stream": "ext://sys.stderr"
        },
        "debugfile": {
            "class": "logging.handlers.RotatingFileHandler",
            "level": "DEBUG",
            "formatter": "detailed",
            "filename": "logs/debug.log",
            "maxBytes": 200000000,
            "backupCount": 3
        },
        "errorfile": {
            "class": "logging.handlers.RotatingFileHandler",
            "level": "WARNING",
            "formatter": "detailed",
            "filename": "logs/error.log",
            "maxBytes": 200000000,
            "backupCount": 2
        },
        "queue_handler": {
            "class": "logging.handlers.QueueHandler",
            "handlers": ["stdout", "stderr", "errorfile", "debugfile"],
            "respect_handler_level": true
        }

    },

    "loggers": {
        "root": {"level": "DEBUG", "handlers": ["queue_handler"]}
    }
}