environment.py

import json
import logging.config
import os

LOGGING_DEFAULT_CONFIG = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'simple': {
            'format': '%(asctime)s - %(name)s (%(lineno)d) - %(levelname)s - %(message)s'
        }
    },

    'handlers': {
        'console': {
            'class': 'logging.StreamHandler',
            'level': 'DEBUG',
            'formatter': 'simple',
            'stream': 'ext://sys.stdout'
        },

    },
    'loggers': {
        'compendium_v2': {
            'level': 'DEBUG',
            'handlers': ['console'],
            'propagate': False
        },
        'werkzeug': {
            'level': 'WARNING',
            'handlers': ['console'],
            'propagate': False
        }
    },

    'root': {
        'level': 'INFO',
        'handlers': ['console']
    }
}


def setup_logging():
    """
    set up logging using the configured filename

    if LOGGING_CONFIG is defined in the environment, use this for
    the filename, otherwise use LOGGING_DEFAULT_CONFIG
    """
    logging_config = LOGGING_DEFAULT_CONFIG
    if 'LOGGING_CONFIG' in os.environ:
        filename = os.environ['LOGGING_CONFIG']
        with open(filename) as f:
            logging_config = json.loads(f.read())

    logging.config.dictConfig(logging_config)