Django custom logging in JSON

formatter.py

# helpers.logging.formatter
import logging
import json


class JSONFormatter(logging.Formatter):
    def format(self, record):
        log_data = {
            "timestamp": self.formatTime(record),
            "level": record.levelname,
            "message": record.getMessage(),
            "logger_name": record.name,
            "module": record.module,
            "function": record.funcName,
            "line_number": record.lineno,
        }
        return json.dumps(log_data)

# settings.py
# LOGGING
if DEBUG is False:
    LOGGING = {
        "version": 1,
        "disable_existing_loggers": False,
        "formatters": {
            "verbose": {"format": "%(levelname)s %(asctime)s %(name)s %(message)s"},
            "json": {
                "()": "helpers.logging.formatter.JSONFormatter",
            },
        },
        "handlers": {
            "console": {"class": "logging.StreamHandler", "formatter": "verbose"},
            "file": {
                "level": "INFO",
                "class": "logging.FileHandler",
                "filename": "/var/log/my_app/my_app.log",
                "formatter": "json",
            },
        },
        "loggers": {
            "": {
                "handlers": ["console", "file"],
                "level": "INFO",
                "propagate": True,
            },
            "django": {
                "handlers": ["console"],
                "level": "DEBUG",
                "propagate": True,
            },
            "my_app": {
                "handlers": ["console"],
                "level": "ERROR",
                "propagate": True,
            },
        },
    }
else:
    LOGGING = {
        "version": 1,
        "disable_existing_loggers": False,
        "formatters": {
            "verbose": {"format": "%(levelname)s %(asctime)s %(name)s %(message)s"},
            "json": {
                "()": "helpers.logging.formatter.JSONFormatter",
            },
        },
        "handlers": {
            "console": {"class": "logging.StreamHandler", "formatter": "verbose"},
            "file": {
                "level": "INFO",
                "class": "logging.FileHandler",
                "filename": "my_app.log",
                "formatter": "json",
            },
        },
        "loggers": {
            "": {
                "handlers": ["file"],
                "level": "INFO",
                "propagate": True,
            },
        },
    }