config.py

import os
basedir = os.path.abspath(os.path.dirname(__file__))

class Config(object):
    SECRET_KEY = os.environ.get('SECRET_KEY') or 'a-really-difficult-phrase'
    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or \
        'sqlite:///' + os.path.join(basedir, 'app.db')
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    MAIL_SERVER = os.environ.get('MAIL_SERVER')
    MAIL_PORT = int(os.environ.get('MAIL_PORT') or 25)
    MAIL_USE_TLS = os.environ.get('MAIL_USE_TLS') is not None
    MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
    MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
    ADMINS = ['debs.readinglist@outlook.com']
    RECAPTCHA_PUBLIC_KEY = os.environ.get('RECAPTCHA_PUBLIC_KEY') or \
        '6LeIxAcTAAAAAJcZVRqyHh71UMIEGNQ_MXjiZKhI'
    RECAPTCHA_PRIVATE_KEY = os.environ.get('RECAPTCHA_PRIVATE_KEY') or \
        '6LeIxAcTAAAAAGG-vFI1TnRWxMZNFuojJ4WifJWe'
    TITLES_PER_PAGE = 5
    FLASK_ADMIN_SWATCH = 'cerulean'