Django logging example

settings.py

import logging.config
import os
from django.utils.log import DEFAULT_LOGGING

# Disable Django's logging setup
LOGGING_CONFIG = None

LOGLEVEL = os.environ.get('LOGLEVEL', 'info').upper()

logging.config.dictConfig({
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'default': {
            # exact format is not important, this is the minimum information
            'format': '%(asctime)s %(name)-12s %(levelname)-8s %(message)s',
        },
        'django.server': DEFAULT_LOGGING['formatters']['django.server'],
    },
    'handlers': {
        # console logs to stderr
        'console': {
            'class': 'logging.StreamHandler',
            'formatter': 'default',
        },
        # Add Handler for Sentry for `warning` and above
        'sentry': {
            'level': 'WARNING',
            'class': 'raven.contrib.django.raven_compat.handlers.SentryHandler',
        },
        'django.server': DEFAULT_LOGGING['handlers']['django.server'],
    },
    'loggers': {
        # default for all undefined Python modules
        '': {
            'level': 'WARNING',
            'handlers': ['console', 'sentry'],
        },
        # Our application code
        'app': {
            'level': LOGLEVEL,
            'handlers': ['console', 'sentry'],
            # Avoid double logging because of root logger
            'propagate': False,
        },
        # Prevent noisy modules from logging to Sentry
        'noisy_module': {
            'level': 'ERROR',
            'handlers': ['console'],
            'propagate': False,
        },
        # Default runserver request logging
        'django.server': DEFAULT_LOGGING['loggers']['django.server'],
    },
})