config.py

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

class Config():
    DEBUG = False
    SQLITE_DB_DIR = None
    SQLALCHEMY_DATABASE_URI = None
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    WTF_CSRF_ENABLED = False
    SECURITY_TOKEN_AUTHENTICATION_HEADER = "Authentication-Token"
    CELERY_BROKER_URL = "redis://localhost:6379/1"
    CELERY_RESULT_BACKEND = "redis://localhost:6379/2"
    CACHE_TYPE = "RedisCache"
    CACHE_REDIS_HOST = "localhost"
    CACHE_REDIS_PORT = 6379

class LocalDevelopmentConfig(Config):
    SQLITE_DB_DIR = os.path.join(basedir) #requires folder?
    SQLALCHEMY_DATABASE_URI = "sqlite:///" + os.path.join(SQLITE_DB_DIR,"database.sqlite3")
    DEBUG = True
    SECRET_KEY = '1v1u2v31yru1fr98rgw84'
    SECURITY_PASSWORD_HASH = "bcrypt"
    SECURITY_PASSWORD_SALT = "8eg7WA9ugr2b9fbyv784b"
    SECURITY_REGISTERABLE = True
    SECURITY_SEND_REGISTER_EMAIL = False
    SECURITY_UNAUTHORIZED_PAGE = None
    WTF_CSRF_ENABLED = False 
    CACHE_REDIS_HOST = "localhost"
    CACHE_REDIS_PORT = 6379
    CACHE_TYPE = "RedisCache"
    CELERY_BROKER_URL = "redis://localhost:6379/1"
    CELERY_RESULT_BACKEND = "redis://localhost:6379/2"

class ProdConfig(Config):
    SQLITE_DB_DIR = os.path.join(basedir) #requires folder?
    SQLALCHEMY_DATABASE_URI = "sqlite:///" + os.path.join(SQLITE_DB_DIR,"database.sqlite3")
    DEBUG = False

class StageConfig(Config):
    SQLITE_DB_DIR = os.path.join(basedir, "../db_directory")
    SQLALCHEMY_DATABASE_URI = "sqlite:///" + os.path.join(SQLITE_DB_DIR, "testdb.sqlite3")
    DEBUG = True
    SECRET_KEY =  "ash ah secet"
    SECURITY_PASSWORD_HASH = "bcrypt"    
    SECURITY_PASSWORD_SALT = "really super secret" # Read from ENV in your case
    SECURITY_REGISTERABLE = True
    SECURITY_CONFIRMABLE = False
    SECURITY_SEND_REGISTER_EMAIL = False
    SECURITY_UNAUTHORIZED_VIEW = None
    WTF_CSRF_ENABLED = False
    CELERY_BROKER_URL = "redis://localhost:6379/1"
    CELERY_RESULT_BACKEND = "redis://localhost:6379/2"
    REDIS_URL = "redis://localhost:6379"
    CACHE_TYPE = "RedisCache"
    CACHE_REDIS_HOST = "localhost"
    CACHE_REDIS_PORT = 6379