Function get_config_value

config.py:97–112

Get configuration value with priority: ENV > Storage > default.

(key: str, default: Any = None, env_var: Optional[str] = None)

async def get_config_value(key: str, default: Any = None, env_var: Optional[str] = None) -> Any:
    """Get configuration value with priority: ENV > Storage > default."""
    # 确保配置已初始化
    if not _config_initialized:
        await init_config()

    # Priority 1: Environment variable
    if env_var and os.getenv(env_var):
        return os.getenv(env_var)

    # Priority 2: Memory cache
    value = _get_cached_config(key)
    if value is not None:
        return value

    return default


# Configuration getters - all async