JSON config file for python logging. See e.g. https://fangpenlin.com/posts/2012/08/26/good-logging-practice-in-python/

logging_config.json

{
    "version": 1,
    "disable_existing_loggers": "False",
    "formatters": {
        "simple": {
            "format": "# {asctime} {name:8s} {levelname:6s} {message}",
            "datefmt": "%m/%d/%Y %I:%M:%S %p",
            "style": "{"
        }
    },

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

        "debug_file_handler": {
            "class": "logging.handlers.RotatingFileHandler",
            "level": "DEBUG",
            "formatter": "simple",
            "filename": "debug.log",
            "maxBytes": 10485760,
            "backupCount": 20,
            "encoding": "utf8"
        }
    },

    "loggers": {
        "subpackagename.modulename": {},
        "top_level_module_name": {}
    },

    "root": {
        "level": "DEBUG",
        "handlers": ["console", "debug_file_handler"]
    }
}