# config.py

import os

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

class Config:
    SECRET_KEY = os.environ.get('SECRET_KEY') or 'another_secure_string_asdasd122312'
    ADMIN_USERNAME = os.environ.get('ADMIN_USERNAME') or 'admin'
    ADMIN_PASSWORD = os.environ.get('ADMIN_PASSWORD') or 'admin'
    DATABASE_URI = 'mysql://root:root@localhost/test'

class DevelopmentConfig(Config):
    DEBUG = True

cfg = {
    'development' : DevelopmentConfig,
    'default' : DevelopmentConfig
}

# app.py
def create_app(config_name='development'):
    current_config = cfg[config_name]

    app = Flask(__name__)
    app.config.from_object(current_config)

    db.initialize(current_config.DATABASE_URI)
    Session(app)

    app.register_blueprint(home)

    return app