hO dZddlmZddlmZddlmZmZmZddl m Z ddl m Z ddl mZddlmZdd lmZdd lmZdd lmZdd lmZdd lmZddlmZddlmZmZm Z ddl!m"Z#GddeZ$e#ddddd d)dZ%e jDe jLddd d*dZ'ejPejRejLdddddddd d+dZ*ejVejXejLd d!ddd" d,d#Z-e d$d%d&' d- d.d(Z.y)/z,Load question answering with sources chains.) annotations)Mapping)AnyOptionalProtocol) deprecated)BaseLanguageModel)BasePromptTemplate)BaseCombineDocumentsChain)MapReduceDocumentsChain)MapRerankDocumentsChain)ReduceDocumentsChain)RefineDocumentsChain)StuffDocumentsChain)LLMChain)map_reduce_promptrefine_prompts stuff_prompt)PROMPTc$eZdZdZ ddZy)LoadingCallablez2Interface for loading the combine documents chain.c y)z-Callable to load the combine documents chain.N)selfllmkwargss f/var/www/html/eduruby.in/venv/lib/python3.12/site-packages/langchain/chains/qa_with_sources/loading.py__call__zLoadingCallable.__call__ sN)rr rrreturnr )__name__ __module__ __qualname____doc__rrrrrrs&<< << # t|||}td||||d|S)Nrr(r)) llm_chainr+r,r*r)rr )rr(r)r*r+r,rr/s r_load_map_rerank_chainr0(s:SAI " 5     r summariesN)r(document_promptr*r)c >t|||}td||||d|S)Nr.r/r*r2r)r)rr)rr(r2r*r)rr/s r_load_stuff_chainr5<s:SAI  5'     ri ) question_promptcombine_promptr2combine_document_variable_name!map_reduce_document_variable_namecollapse_prompt reduce_llm collapse_llmr) token_maxc  t||| } |xs|} t| || }t|||| }|d}|-d}t||xs|}tt||| ||}t||| | }t d| ||| d| S)Nr.r4zfcollapse_llm provided, but collapse_prompt was not: please provide one or stop providing collapse_llm.)r/r*r2)combine_documents_chaincollapse_documents_chainr=r))r/reduce_documents_chainr*r)r)rr ValueErrorrr )rr6r7r2r8r9r:r;r<r)r=r map_chain _reduce_llm reduce_chainr?collapse_chainmsg _collapse_llmrAs r_load_map_reduce_chainrIOsS'JI#K NGTL1='    #> S/ !$+ ,!& $B+ 2 7!/  # 5@     r context_strexisting_answer)r6 refine_promptr2r*initial_response_name refine_llmr)c jt|||} |xs|} t| ||} td| | ||||d|S)Nr.)initial_llm_chainrefine_llm_chainr*rMr2r)r)rr) rr6rLr2r*rMrNr)r initial_chain _refine_llm refine_chains r_load_refine_chainrUsX_gNM#K M7SL  '%53'    rz0.2.13z1.0aDThis function is deprecated. Refer to this guide on retrieval and question answering with sources: https://python.langchain.com/docs/how_to/qa_sources/ See also the following migration guides for replacements based on `chain_type`: stuff: https://python.langchain.com/docs/versions/migrating_chains/stuff_docs_chain map_reduce: https://python.langchain.com/docs/versions/migrating_chains/map_reduce_chain refine: https://python.langchain.com/docs/versions/migrating_chains/refine_chain map_rerank: https://python.langchain.com/docs/versions/migrating_chains/map_rerank_docs_chain )sinceremovalmessagec ttttd}||vr!d|d|j }t |||}||fd|i|S)aLoad a question answering with sources chain. Args: llm: Language Model to use in the chain. chain_type: Type of document combining chain to use. Should be one of "stuff", "map_reduce", "refine" and "map_rerank". verbose: Whether chains should be run in verbose mode or not. Note that this applies to all chains that make up the final chain. Returns: A chain to use for question answering with sources. )stuff map_reducerefine map_rerankzGot unsupported chain type: z. Should be one of r))r5rIrUr0keysrB)r chain_typer)rloader_mappingrG_funcs rload_qa_with_sources_chainrbsrD#,$, 5N '*:,7 . 3 3 56 8 o+J7E  0g 0 00r)rr r(r r)boolr*strr+rdr,rdrrr r )rr r(r r2r r*rdr)Optional[bool]rrr r)rr r6r r7r r2r r8rdr9rdr:zOptional[BasePromptTemplate]r;Optional[BaseLanguageModel]r<rfr)rer=intrrr r )rr r6r rLr r2r r*rdrMrdrNrfr)rerrr r)rZN) rr r_rdr)rerrr r )/r$ __future__rcollections.abcrtypingrrrlangchain_core._apirlangchain_core.language_modelsr langchain_core.promptsr 'langchain.chains.combine_documents.baser -langchain.chains.combine_documents.map_reducer -langchain.chains.combine_documents.map_rerankr )langchain.chains.combine_documents.reducer)langchain.chains.combine_documents.refiner(langchain.chains.combine_documents.stuffrlangchain.chains.llmr langchain.chains.qa_with_sourcesrrr5langchain.chains.question_answering.map_rerank_promptrMAP_RERANK_PROMPTrr0EXAMPLE_PROMPTr5QUESTION_PROMPTCOMBINE_PROMPTrIDEFAULT_TEXT_QA_PROMPTDEFAULT_REFINE_PROMPTrUrbrrrr}s2"#***<5MQQJJH)