Celery logging done right

celery_app.py

import os

from celery import Celery
from celery.signals import setup_logging  # noqa

# set the default Django settings module for the 'celery' program.
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "src.settings")

app = Celery("src")

# Using a string here means the worker doesn't have to serialize
# the configuration object to child processes.
# - namespace='CELERY' means all celery-related configuration keys
#   should have a `CELERY_` prefix.
app.config_from_object("django.conf:settings", namespace="CELERY")


@setup_logging.connect
def config_loggers(*args, **kwargs):
    from logging.config import dictConfig  # noqa
    from django.conf import settings  # noqa

    dictConfig(settings.LOGGING)


# Load task modules from all registered Django app configs.
app.autodiscover_tasks()