o /_Wc( @sDddlZddlZejrddlmZmZdddZGdddeZdS)N)OptionalListcCsDdddtjddD}d||}|dur|S|d|S) abReturn the user agent info along with the SDK and Python Version information. :param sdk_version: Version of the SDK being used. :type sdk_version: str :param custom_user_agent: Custom User Agent string provided by the developer. :type custom_user_agent: Optional[str] :return: User Agent Info string :rtype: str .css|]}t|VqdSN)str).0xr 7D:\Flask\env\Lib\site-packages\ask_sdk_runtime/utils.py &sz"user_agent_info..rzask-python/{} Python/{}Nz {})joinsys version_infoformat)Z sdk_versionZcustom_user_agentpython_version user_agentr r r user_agent_infos rc@s<eZdZdZgZdZeddZeddZeddZ d S) UserAgentManagerzStatic manager for environment level SDK user agent information. Higher level frameworks using the SDK, but not building up on skill builder, can use this static class and register their user agents. cCstjS)zGet user agent string containing all registered components. :return: User agent string with all registered components :rtype: str )r _user_agentr r r r get_user_agent8szUserAgentManager.get_user_agentcCsF|tjvr!tj|tdkr|t_dSdt|t_dSdS)aKRegisters component to user agent string. The component will be appended to the existing user agent string. Duplicate components are ignored. :param component_name: Name of the component to be registered to the user agent string :type component_name: str :return: None rz{} {}N)r _componentsappendrrr)Zcomponent_namer r r register_componentBs    z#UserAgentManager.register_componentcCsgt_dt_dS)zLClear components, reset user agent to empty. :return: None rN)rrrr r r r clearWs zUserAgentManager.clearN) __name__ __module__ __qualname____doc__rr staticmethodrrrr r r r r/s  rr)rtyping TYPE_CHECKINGrrrobjectrr r r r s