Exemplo de configuração de logs no Django

settings_logging.py

# Não é uma boa prática ter esse if dentro do settings mas funciona muito bem dessa forma.
if not os.path.exists(os.path.join(BASE_DIR, "logs")):
    os.makedirs(os.path.join(BASE_DIR, "logs"))
LOG_DIR = BASE_DIR / "logs"

LOGGING = {
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {
        "verbose": {
            "format": "[%(asctime)s] %(levelname)s [%(name)s:%(lineno)s] %(message)s",
            "datefmt": "%d/%b/%Y %H:%M:%S",
        },
        "simple": {"format": "%(levelname)s %(message)s"},
    },
    "filters": {"require_debug_false": {"()": "django.utils.log.RequireDebugFalse"}},
    "handlers": {
        "file_info": {
            "level": "INFO",
            "class": "logging.FileHandler",
            "filename": LOG_DIR / "info.log",
            "formatter": "verbose",
            "encoding": "UTF-8",
        },
        "file_error": {
            "level": "ERROR",
            "class": "logging.FileHandler",
            "filename": LOG_DIR / "error.log",
            "formatter": "verbose",
            "encoding": "UTF-8",
        },
        "file_warning": {
            "level": "WARNING",
            "class": "logging.FileHandler",
            "filename": LOG_DIR / "warning.log",
            "formatter": "verbose",
            "encoding": "UTF-8",
        },
        "mail_admins": {
            "level": "ERROR",
            "class": "django.utils.log.AdminEmailHandler",
            "include_html": True,
        },
        "console": {"level": "DEBUG", "class": "logging.StreamHandler", "formatter": "verbose"},
    },
    "loggers": {
        "django.request": {"handlers": ["mail_admins"], "level": "ERROR", "propagate": True},
        "apps": {
            "handlers": ["mail_admins", "console", "file_info", "file_error", "file_warning"],
            "level": "INFO",
            "propagate": True,
        },
    },
}