import os basedir = os.path.abspath(os.path.dirname(__file__)) class Config: SECRET_KEY = os.environ.get('SECRET_KEY') or 'hard to guess string' SQLALCHEMY_TRACK_MODIFICATIONS = False @staticmethod def init_app(app): pass class DevelopmentConfig(Config): DEBUG = True SQLALCHEMY_DATABASE_URI = 'sqlite:///' + os.path.join(basedir, 'data_dev.sqlite') # class TestingConfig(Config): # class ProductionConfig(Config): config = { 'development': DevelopmentConfig, # 'testing': TestingConfig, # 'production': ProductionConfig, 'default': DevelopmentConfig }