backends.py 文件源码

def redis(app, config, args, kwargs):
        kwargs.update(dict(
            host=config.get('CACHE_REDIS_HOST', 'localhost'),
            port=config.get('CACHE_REDIS_PORT', 6379),
        ))
        password = config.get('CACHE_REDIS_PASSWORD')
        if password:
            kwargs['password'] = password

        key_prefix = config.get('CACHE_KEY_PREFIX')
        if key_prefix:
            kwargs['key_prefix'] = key_prefix

        db_number = config.get('CACHE_REDIS_DB')
        if db_number:
            kwargs['db'] = db_number

        redis_url = config.get('CACHE_REDIS_URL')
        if redis_url:
            kwargs['host'] = redis_from_url(
                                redis_url,
                                db=kwargs.pop('db', None),
                            )

        return RedisCache(*args, **kwargs)