How to create environment based settings configs

settings.ini

[secrets]
DJANGO_SECRET_KEY: ill%92_5+gaw!7p5la0h+-=-pb2)l&%11(d@a8+#mff5z$r3^

settings.py

import os

from ConfigParser import RawConfigParser

BASE_DIR = os.path.dirname(os.path.dirname(__file__))
PROJECT_DIR = os.path.dirname(__file__)
CONF_DIR = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
STATIC_MAIN_DIR = os.path.join(PROJECT_DIR, '..', 'static/')


here = lambda x: os.path.join(os.path.abspath(os.path.dirname(__file__)), x)

# you will need to copy the example and make custom
# settings for the environment
config = RawConfigParser()

#place in a dir that is not managed in the code base
# print 'config dir: {0}/conf/gitpatron_settings.ini'.format(CONF_DIR)
config.read('{0}/conf/settings.ini'.format(CONF_DIR))

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.6/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = config.get('secrets','DJANGO_SECRET_KEY')