Python: json logger config

log.conf

{
    "version": 1,
    "formatters":
    {
      "simple":
      {
        "format": "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
      },
      "brief":
      {
        "format": "%(levelname)-8s: %(name)-15s: %(message)s"
      },
      "precise":
      {
        "format": "%(asctime)s %(name)-15s %(levelname)-8s %(message)s"
      }
    },
    "handlers":
    {
      "console":
      {
        "class": "logging.StreamHandler",
        "level": "DEBUG",
        "formatter": "simple",
        "stream": "ext://sys.stdout"
      }, 
      "file":
      {
        "class": "logging.handlers.RotatingFileHandler",
        "formatter": "precise",
        "filename": "App.log",
        "maxBytes": 100000,
        "backupCount": 2
       }
    },
    "loggers":
    {
      "Main":
      {
        "level": "DEBUG",
        "handlers": ["console", "file"],
        "propagate": 0
      }
    },
    "root":
    {
        "level": "WARN",
        "handlers": ["console"]
    }
}