log_config2.json

{
  "version": 1,
  "disable_existing_loggers": true,
  "formatters": {
    "brief": {
      "class": "logging.Formatter",
      "datefmt": "%I:%M:%S",
      "format": "%(levelname)-8s; %(name)-15s; %(message)s"
    },
    "standard": {
      "class": "logging.Formatter",
      "datefmt": "%I:%M:%S",
      "format": "%(levelname)-8s; %(asctime)s; %(name)-15s; %(funcName)s;%(lineno)d: %(message)s"
    },
    "multi-process": {
      "class": "logging.Formatter",
      "datefmt": "%I:%M:%S",
      "format": "%(levelname)-8s; [%(process)d]; %(name)-15s; %(module)s:%(funcName)s;%(lineno)d: %(message)s"
    },
    "multi-thread": {
      "class": "logging.Formatter",
      "datefmt": "%I:%M:%S",
      "format": "%(levelname)-8s; %(threadName)s; %(name)-15s; %(module)s:%(funcName)s;%(lineno)d: %(message)s"
    },
    "verbose": {
      "class": "logging.Formatter",
      "datefmt": "%I:%M:%S",
      "format": "%(levelname)-8s; [%(process)d]; %(threadName)s; %(name)-15s; %(module)s:%(funcName)s;%(lineno)d: %(message)s"
    },
    "multiline": {
      "class": "logging.Formatter",
      "format": "Level: %(levelname)s\nTime: %(asctime)s\nProcess: %(process)d\nThread: %(threadName)s\nLogger: %(name)s\nPath: %(module)s:%(lineno)d\nFunction :%(funcName)s\nMessage: %(message)s\n"
    }
  },
  "handlers": {
    "console":{
      "level": "DEBUG",
      "class": "logging.StreamHandler",
      "formatter": "verbose",
      "stream" : "ext://sys.stdout"
    },
    "file_handler": {
      "level": "INFO",
      "class": "logging.handlers.WatchedFileHandler",
      "formatter": "verbose",
      "filename": "/tmp/file_handler.log",
      "mode": "a",
      "encoding": "utf-8"
    },
    "smtp": {
      "level": "ERROR",
      "class": "logging.handlers.SMTPHandler",
      "formatter": "multiline",
      "mailhost": ["127.0.0.1", 60025],
      "fromaddr": "sender@example.com",
      "toaddrs": ["recipient@example.com"],
      "subject": "Something went wrong"
    }
  },
  "loggers": {
    "mypkg": {
      "handlers": ["console"],
      "level": "DEBUG",
      "propagate": false
    },
    "elasticsearch": {
      "handlers": ["console"],
      "level": "WARNING"
    },
    "requests": {
      "handlers": ["console"],
      "level": "WARNING"
    },
    "sqlalchemy": {
      "handlers": ["console"],
      "level": "WARNING"
    }
  },
  "root": {
    "handlers": ["console", "file_handler", "smtp"],
    "level": "DEBUG"
  }
}