h%dZddlmZddlmZmZmZddlmZddl m Z m Z ddl m Z ddlmZddlmZdd lmZdd lmZdd lmZdd lmZdd lmZddlmZddlmZm Z m!Z!ddl"m#Z$GddeZ%e$dddddddde dede&de'de'de'dee d e d!ed"efd#Z(dddddd$de deede'dee&dee d e d!ed"efd%Z)ddd&dddddddd'd( de d)eed*eed+e'd,e'd-eed.ee d/ee dee&dee d e d0e*d!ed"efd1Z+ddd2d3ddddd4de d)eed5eede'd6e'd7ee dee&dee d e d!ed"efd8Z,ed9d:d;< d?de d=e'dee&dee d!ed"ef d>Z-y)@zLoad question answering chains.)Mapping)AnyOptionalProtocol) deprecated)BaseCallbackManager Callbacks)BaseLanguageModel)BasePromptTemplate)ReduceDocumentsChain)BaseCombineDocumentsChain)MapReduceDocumentsChain)MapRerankDocumentsChain)RefineDocumentsChain)StuffDocumentsChain)LLMChain)map_reduce_promptrefine_prompts stuff_prompt)PROMPTc$eZdZdZdededefdZy)LoadingCallablez2Interface for loading the combine documents chain.llmkwargsreturnc y)z-Callable to load the combine documents chain.N)selfrrs g/var/www/html/eduruby.in/venv/lib/python3.12/site-packages/langchain/chains/question_answering/chain.py__call__zLoadingCallable.__call__sN)__name__ __module__ __qualname____doc__r rr r rr!rrrs&<< << # r?r@rArBc |xstjj|} |xstjj|}t || || | }|xs|}t |||| | }t |||| | }|d}|0d}t ||xs|}t t |||| | ||| }t||| |}td||||| | d| S)Nr1r5zfcollapse_llm provided, but collapse_prompt was not: please provide one or stop providing collapse_llm.)r2r+r*r.)combine_documents_chaincollapse_documents_chainrBr*)r2r+reduce_documents_chainr*r.r/r) rQUESTION_PROMPT_SELECTORr7COMBINE_PROMPT_SELECTORrr ValueErrorr r)rr;r<r=r>r?r@rAr*r.r/rBr_question_prompt_combine_prompt map_chain _reduce_llm reduce_chainrDcollapse_chainmsg _collapse_llmrFs r_load_map_reduce_chainrRbsJ" U,EEPPQTU S+CCNNsS ) I#K ) L2=)   #> S/ !$+ ,!&!1# $B-  2 7!/  # @5)    r! context_strexisting_answer)r; refine_promptr+initial_response_name refine_llmr*r.r/rUrVrWc |xstjj|} |xstjj|} t || |||} |xs|} t | | |||}t d| ||||||d| S)Nr1)initial_llm_chainrefine_llm_chainr+rVr*r.r/r)rrGr7REFINE_PROMPT_SELECTORrr)rr;rUr+rVrWr*r.r/rrJ_refine_prompt initial_chain _refine_llm refine_chains r_load_refine_chainr`s R>BBMMcR#n&K&K&V&V 'N ) M#K ) L '%53)    r!z0.2.13z1.0a1This class is deprecated. See the following migration guides for replacements based on `chain_type`: stuff: https://python.langchain.com/docs/versions/migrating_chains/stuff_docs_chain map_reduce: https://python.langchain.com/docs/versions/migrating_chains/map_reduce_chain refine: https://python.langchain.com/docs/versions/migrating_chains/refine_chain map_rerank: https://python.langchain.com/docs/versions/migrating_chains/map_rerank_docs_chain See also guides on retrieval and question-answering here: https://python.langchain.com/docs/how_to/#qa-with-rag)sinceremovalmessage chain_typec ttttd}||vr!d|d|j }t ||||f||d|S)aLoad question answering chain. Args: llm: Language Model to use in the chain. chain_type: Type of document combining chain to use. Should be one of "stuff", "map_reduce", "map_rerank", and "refine". verbose: Whether chains should be run in verbose mode or not. Note that this applies to all chains that make up the final chain. callback_manager: Callback manager to use for the chain. Returns: A chain to use for question answering. )stuff map_reducerefine map_rerankzGot unsupported chain type: z. Should be one of )r*r.)r9rRr`r3keysrI)rrdr*r.rloader_mappingrPs r load_qa_chainrlsF#,$, 5N '*:,7 . 3 3 56 8 o %>* %  )    r!)rfNN).r%collections.abcrtypingrrrlangchain_core._apirlangchain_core.callbacksrr langchain_core.language_modelsr langchain_core.promptsr langchain.chainsr 'langchain.chains.combine_documents.baser -langchain.chains.combine_documents.map_reducer-langchain.chains.combine_documents.map_rerankr)langchain.chains.combine_documents.refiner(langchain.chains.combine_documents.stuffrlangchain.chains.llmr#langchain.chains.question_answeringrrr5langchain.chains.question_answering.map_rerank_promptrMAP_RERANK_PROMPTrboolstrr3r9intrRr`rlrr!rrsK%#***C<51MQQJH)