using-external-file.py

# main_with_ini.py
import configparser

config = configparser.ConfigParser()
config.read('config.ini')

secret_key = config['DEFAULT']['SECRET_KEY'] # 'secret-key-of-myapp'
ci_hook_url = config['CI']['HOOK_URL'] # 'web-hooking-url-from-ci-service'

# main_with_json.py
import json

with open('config.json', 'r') as f:
    config = json.load(f)

secret_key = config['DEFAULT']['SECRET_KEY'] # 'secret-key-of-myapp'
ci_hook_url = config['CI']['HOOK_URL'] # 'web-hooking-url-from-ci-service'