U h@sdZddlmZddlZddlmZmZmZmZddl m Z ddl m Z ddl mZddlmZdd lmZdd lmZdd lmZdd lmZe d dddGdddeZdS)z Implement an LLM driven browser.) annotationsN)AnyDictListOptional) deprecated)CallbackManagerForChainRun)BaseLanguageModel)StrOutputParser)root_validator)Runnable)Chain)PROMPTz0.2.13zImporting NatBotChain from langchain is deprecated and will be removed in langchain 1.0. Please import from langchain_community instead: from langchain_community.chains.natbot import NatBotChain. You may need to pip install -U langchain-community.z1.0)ZsincemessageZremovalc@seZdZUdZded<ded<dZded<d Zded <d Zded <d Zded<dZ ded<GdddZ e dddddddZ e ddddddZe ddddddd Zed!d"d#d$Zed!d"d%d&Zd1d'd(d'd)d*d+Zdddd,d-d.Zedd"d/d0ZdS)2 NatBotChainaImplement an LLM driven browser. **Security Note**: This toolkit provides code to control a web-browser. The web-browser can be used to navigate to: - Any URL (including any internal network URLs) - And local files Exercise care if exposing this chain to end-users. Control who is able to access and use this chain, and isolate the network access of the server that hosts this chain. See https://python.langchain.com/docs/security for more information. Example: .. code-block:: python from langchain.chains import NatBotChain natbot = NatBotChain.from_default("Buy me a new hat.") r llm_chainstr objectiveNzOptional[BaseLanguageModel]llmurl input_url_keybrowser_contentinput_browser_content_keyprevious_commandcommand output_keyc@seZdZdZdZdS)zNatBotChain.ConfigTZforbidN)__name__ __module__ __qualname__Zarbitrary_types_allowedextrar!r!@/tmp/pip-unpacked-wheel-bo69hh5q/langchain/chains/natbot/base.pyConfig>sr#T)prer)valuesreturncCs@d|krs"