§
    è˜ºh×(  ã                  óÚ   — d Z ddlmZ ddlZddlmZmZmZmZ ddl	m
Z
 ddlmZ ddlmZ ddlmZ dd	lmZ dd
lmZ ddlmZmZ ddlmZmZ ddlmZ dZdd„Zdd„Z G d„ de¦  «        Z dS )z Question answering over a graph.é    )ÚannotationsN)ÚAnyÚDictÚListÚOptional)Ú
GraphStore)ÚBaseLanguageModel)ÚBasePromptTemplate)ÚField)ÚCallbackManagerForChainRun)ÚChain)ÚCypherQueryCorrectorÚSchema)ÚCYPHER_GENERATION_PROMPTÚCYPHER_QA_PROMPT)ÚLLMChainÚintermediate_stepsÚtextÚstrÚreturnc                ó^   — d}t          j        || t           j        ¦  «        }|r|d         n| S )z›Extract Cypher code from a text.

    Args:
        text: Text to extract Cypher code from.

    Returns:
        Cypher code extracted from the text.
    z```(.*?)```r   )ÚreÚfindallÚDOTALL)r   ÚpatternÚmatchess      úh/var/www/html/services/rag-service/venv/lib/python3.11/site-packages/langchain/chains/graph_qa/cypher.pyÚextract_cypherr      s3   € ð €Gõ Œj˜ $­¬	Ñ2Ô2€Gà Ð*ˆ7�1Œ:ˆ: dÐ*ó    Ústructured_schemaúDict[str, Any]Úinclude_typesú	List[str]Úexclude_typesc           
     óf  ‡‡‡— dˆˆfd„Šˆfd„|                       di ¦  «                             ¦   «         D ¦   «         ˆfd„|                       d	i ¦  «                             ¦   «         D ¦   «         ˆfd
„|                       dg ¦  «        D ¦   «         dœ}g }|d                              ¦   «         D ]?\  }}d                     d„ |D ¦   «         ¦  «        }|                     |› d|› d�¦  «         Œ@g }|d	                              ¦   «         D ]?\  }	}d                     d„ |D ¦   «         ¦  «        }|                     |	› d|› d�¦  «         Œ@d„ |d         D ¦   «         }
d                     dd                     |¦  «        dd                     |¦  «        dd                     |
¦  «        g¦  «        S )z5Filter the schema based on included or excluded typesÚxr   r   Úboolc                ó   •— ‰r| ‰v n| ‰vS ©N© )r&   r$   r"   s    €€r   Úfilter_funcz%construct_schema.<locals>.filter_func.   s   ø€ Ø%2ÐNˆq�MÐ!Ð!¸ÀÐ8NÐNr   c                ó2   •— i | ]\  }} ‰|¦  «        ¯||“ŒS r*   r*   ©Ú.0ÚkÚvr+   s      €r   ú
<dictcomp>z$construct_schema.<locals>.<dictcomp>2   s=   ø€ ð 
ð 
ð 
á��1Øˆ{˜1‰~Œ~ð
Øˆqð
ð 
ð 
r   Ú
node_propsc                ó2   •— i | ]\  }} ‰|¦  «        ¯||“ŒS r*   r*   r-   s      €r   r1   z$construct_schema.<locals>.<dictcomp>7   s=   ø€ ð 
ð 
ð 
á��1Øˆ{˜1‰~Œ~ð
Øˆqð
ð 
ð 
r   Ú	rel_propsc                óN   •‡— g | ] Št          ˆˆfd „dD ¦   «         ¦  «        ¯‰‘Œ!S )c              3  ó:   •K  — | ]} ‰‰|         ¦  «        V — Œd S r)   r*   )r.   Útr+   Úrs     €€r   ú	<genexpr>z.construct_schema.<locals>.<listcomp>.<genexpr>?   s1   øè è € ÐGÐG¨�;�;˜q œtÑ$Ô$ÐGÐGÐGÐGÐGÐGr   )ÚstartÚendÚtype)Úall)r.   r8   r+   s    @€r   ú
<listcomp>z$construct_schema.<locals>.<listcomp><   sQ   øø€ ð 
ð 
ð 
àÝÐGÐGÐGÐGÐGÐ.FÐGÑGÔGÑGÔGð
Øð
ð 
ð 
r   Úrelationships)r2   r4   r?   z, c                ó4   — g | ]}|d          › d|d         › �‘ŒS ©Úpropertyz: r<   r*   ©r.   Úprops     r   r>   z$construct_schema.<locals>.<listcomp>G   ó/   € ÐJÐJÐJ°t��ZÔ Ð2Ð2 D¨¤LÐ2Ð2ÐJÐJÐJr   z {Ú}c                ó4   — g | ]}|d          › d|d         › �‘ŒS rA   r*   rC   s     r   r>   z$construct_schema.<locals>.<listcomp>O   rE   r   c           	     óJ   — g | ] }d |d         › d|d         › d|d         › d�‘Œ!S )z(:r:   z)-[:r<   z]->(:r;   ú)r*   ©r.   Úels     r   r>   z$construct_schema.<locals>.<listcomp>T   sO   € ð ð ð àð 	<ˆR�Œ[Ð;Ð;˜b œjÐ;Ð;¨r°%¬yÐ;Ð;Ð;ðð ð r   ú
z"Node properties are the following:ú,z*Relationship properties are the following:z$The relationships are the following:)r&   r   r   r'   )ÚgetÚitemsÚjoinÚappend)r    r"   r$   Úfiltered_schemaÚformatted_node_propsÚlabelÚ
propertiesÚ	props_strÚformatted_rel_propsÚrel_typeÚformatted_relsr+   s    ``        @r   Úconstruct_schemarZ   '   sg  øøø€ ðOð Oð Oð Oð Oð Oð Oð
ð 
ð 
ð 
à)×-Ò-¨l¸BÑ?Ô?×EÒEÑGÔGð
ñ 
ô 
ð

ð 
ð 
ð 
à)×-Ò-¨k¸2Ñ>Ô>×DÒDÑFÔFð
ñ 
ô 
ð

ð 
ð 
ð 
à&×*Ò*¨?¸BÑ?Ô?ð
ñ 
ô 
ð'ð '€Oð& ÐØ,¨\Ô:×@Ò@ÑBÔBð @ð @ÑˆˆzØ—I’IØJÐJ¸zÐJÑJÔJñ
ô 
ˆ	ð 	×#Ò# uÐ$>Ð$>°Ð$>Ð$>Ð$>Ñ?Ô?Ð?Ð?ð ÐØ /°Ô <× BÒ BÑ DÔ Dð Bð BÑˆ�*Ø—I’IØJÐJ¸zÐJÑJÔJñ
ô 
ˆ	ð 	×"Ò" hÐ#@Ð#@°9Ð#@Ð#@Ð#@ÑAÔAÐAÐAðð à! /Ô2ðñ ô €Nð
 �9Š9à0Ø�HŠHÐ)Ñ*Ô*Ø8Ø�HŠHÐ(Ñ)Ô)Ø2Ø�HŠH�^Ñ$Ô$ð	
ñ	ô 	ð 	r   c                  ó6  — e Zd ZU dZ ed¬¦  «        Zded<   ded<   ded<   d	ed
<   dZd	ed<   dZd	ed<   dZ	ded<   	 dZ
ded<   	 dZded<   	 dZded<   	 ed4d„¦   «         Zed4d„¦   «         Zed5d„¦   «         Ze	 d6ddddg g ddddœ	d7d.„¦   «         Z	 d6d8d3„ZdS )9ÚGraphCypherQAChainaé  Chain for question-answering against a graph by generating Cypher statements.

    *Security note*: Make sure that the database connection uses credentials
        that are narrowly-scoped to only include necessary permissions.
        Failure to do so may result in data corruption or loss, since the calling
        code may attempt commands that would result in deletion, mutation
        of data if appropriately prompted or reading sensitive data if such
        data is present in the database.
        The best way to guard against such negative outcomes is to (as appropriate)
        limit the permissions granted to the credentials used with this tool.

        See https://python.langchain.com/docs/security for more information.
    T)Úexcluder   Úgraphr   Úcypher_generation_chainÚqa_chainr   Úgraph_schemaÚqueryÚ	input_keyÚresultÚ
output_keyé
   ÚintÚtop_kFr'   Úreturn_intermediate_stepsÚreturn_directNzOptional[CypherQueryCorrector]Úcypher_query_correctorr   r#   c                ó   — | j         gS )z7Return the input keys.

        :meta private:
        )rc   ©Úselfs    r   Ú
input_keyszGraphCypherQAChain.input_keysƒ   s   € ð ”ÐÐr   c                ó   — | j         g}|S )z8Return the output keys.

        :meta private:
        )re   )rn   Ú_output_keyss     r   Úoutput_keyszGraphCypherQAChain.output_keys‹   s   € ð œÐ(ˆØÐr   c                ó   — dS )NÚgraph_cypher_chainr*   rm   s    r   Ú_chain_typezGraphCypherQAChain._chain_type”   s   € à#Ð#r   )	Ú	qa_promptÚcypher_promptÚ
cypher_llmÚqa_llmr$   r"   Úvalidate_cypherÚqa_llm_kwargsÚcypher_llm_kwargsÚllmúOptional[BaseLanguageModel]rv   úOptional[BasePromptTemplate]rw   rx   ry   r$   r"   rz   r{   úOptional[Dict[str, Any]]r|   Úkwargsr   c       	        óV  — |s|st          d¦  «        ‚|s|st          d¦  «        ‚|r|r|rt          d¦  «        ‚|r|
rt          d¦  «        ‚|r|	rt          d¦  «        ‚|	�|	ni }|
�|
ni }d|vr|�|nt          |d<   d|vr|�|nt          |d<   t          dd|p|i|¤Ž}t          dd|p|i|¤Ž}|r|rt          d	¦  «        ‚t	          |d
         j        ||¦  «        }d}|r9d„ |d
         j                             d¦  «        D ¦   «         }t          |¦  «        } | d||||dœ|¤ŽS )zInitialize from LLM.z8Either `llm` or `cypher_llm` parameters must be providedz4Either `llm` or `qa_llm` parameters must be providedzaYou can specify up to two of 'cypher_llm', 'qa_llm', and 'llm', but not all three simultaneously.zqSpecifying cypher_prompt and cypher_llm_kwargs together is not allowed. Please pass prompt via cypher_llm_kwargs.zeSpecifying qa_prompt and qa_llm_kwargs together is not allowed. Please pass prompt via qa_llm_kwargs.NÚpromptr}   zGEither `exclude_types` or `include_types` can be provided, but not bothr^   c                óT   — g | ]%}t          |d          |d         |d         ¦  «        ‘Œ&S )r:   r<   r;   )r   rJ   s     r   r>   z/GraphCypherQAChain.from_llm.<locals>.<listcomp>Ü   s@   € ð  ð  ð  àõ �r˜'”{ B v¤J°°5´	Ñ:Ô:ð ð  ð  r   r?   )ra   r`   r_   rk   r*   )	Ú
ValueErrorr   r   r   rZ   Úget_structured_schemar    rN   r   )Úclsr}   rv   rw   rx   ry   r$   r"   rz   r{   r|   r�   Úuse_qa_llm_kwargsÚuse_cypher_llm_kwargsr`   r_   ra   rk   Úcorrector_schemas                      r   Úfrom_llmzGraphCypherQAChain.from_llm˜   sM  € ð$ ð 	Y #ð 	YÝÐWÑXÔXÐXØð 	U˜cð 	UÝÐSÑTÔTÐTØð 	˜&ð 	 Sð 	ÝðAñô ð ð ð 	Ð.ð 	ÝðJñô ð ð ð 	˜ð 	ÝðFñô ð ð .;Ð-F˜M˜MÈBÐà!2Ð!>ÐÐÀBð 	ð Ð,Ð,Ð,à&Ð2�	�	Õ8Hð ˜hÑ'ð Ð0Ð0Ð0à!.Ð!:��Õ@Xð " (Ñ+õ ÐCÐC  ¨#ÐCÐ1BÐCÐCˆå"*ð #
ð #
ØÐ!˜cð#
Ø%:ð#
ð #
Ðð ð 	˜]ð 	Ýð0ñô ð õ
 (Ø�7ŒOÔ1°=À-ñ
ô 
ˆð "&ÐØð 	Lð ð  à  œ/Ô;×?Ò?ÀÑPÔPð ñ  ô  Ðõ &:Ð:JÑ%KÔ%KÐ"àˆsð 
Ø%ØØ$;Ø#9ð	
ð 
ð
 ð
ð 
ð 	
r   Úinputsr!   Úrun_managerú$Optional[CallbackManagerForChainRun]c                ón  — |pt          j        ¦   «         }|                     ¦   «         }|| j                 }g }| j                             || j        dœ|¬¦  «        }t          |¦  «        }| j        r|                      |¦  «        }| 	                    dd| j
        ¬¦  «         | 	                    |dd| j
        ¬¦  «         |                     d|i¦  «         |r(| j                             |¦  «        d	| j        …         }ng }| j        r|}	n‹| 	                    d
d| j
        ¬¦  «         | 	                    t!          |¦  «        dd| j
        ¬¦  «         |                     d|i¦  «         |                      ||dœ|¬¦  «        }
|
| j        j                 }	| j        |	i}| j        r
||t(          <   |S )zGGenerate Cypher statement, use it to look up in db and answer question.)ÚquestionÚschema)Ú	callbackszGenerated Cypher:rL   )r;   ÚverboseÚgreen)Úcolorr;   r“   rb   NzFull Context:Úcontext)r�   r–   )r   Úget_noop_managerÚ	get_childrc   r_   Úrunra   r   rk   Úon_textr“   rQ   r^   rb   rh   rj   r   r`   re   ri   ÚINTERMEDIATE_STEPS_KEY)rn   rŒ   r�   Ú_run_managerr’   r�   r   Úgenerated_cypherr–   Úfinal_resultrd   Úchain_results               r   Ú_callzGraphCypherQAChain._callê   s	  € ð #ÐSÕ&@Ô&QÑ&SÔ&SˆØ ×*Ò*Ñ,Ô,ˆ	Ø˜$œ.Ô)ˆà#%ÐàÔ7×;Ò;Ø!¨TÔ->Ð?Ð?È9ð <ñ 
ô 
Ðõ
 *Ð*:Ñ;Ô;Ðð Ô&ð 	MØ#×:Ò:Ð;KÑLÔLÐà×ÒÐ0°dÀDÄLÐÑQÔQÐQØ×ÒØ G°¸t¼|ð 	ñ 	
ô 	
ð 	
ð 	×!Ò! 7Ð,<Ð"=Ñ>Ô>Ð>ð ð 	Ø”j×&Ò&Ð'7Ñ8Ô8¸¸4¼:¸ÔFˆGˆGàˆGàÔð 	<Ø"ˆLˆLà× Ò  °dÀDÄLÐ ÑQÔQÐQØ× Ò Ý�G‘” G°¸t¼|ð !ñ ô ð ð ×%Ò% y°'Ð&:Ñ;Ô;Ð;à—]’]Ø%°'Ð:Ð:Ø#ð #ñ ô ˆFð " $¤-Ô":Ô;ˆLà(,¬¸Ð'FˆØÔ)ð 	FØ3EˆLÕ/Ñ0àÐr   )r   r#   )r   r   r)   )r}   r~   rv   r   rw   r   rx   r~   ry   r~   r$   r#   r"   r#   rz   r'   r{   r€   r|   r€   r�   r   r   r\   )rŒ   r!   r�   rŽ   r   r!   )Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   r^   Ú__annotations__rc   re   rh   ri   rj   rk   rB   ro   rr   ru   Úclassmethodr‹   r    r*   r   r   r\   r\   e   sª  € € € € € € ðð ð ˜ dÐ+Ñ+Ô+€EÐ+Ð+Ð+Ñ+Ø%Ð%Ð%Ñ%ØÐÐÑØÐÐÑØ€IÐÐÐÑØ€JÐÐÐÑØ€E€O€O€O�OØ4Ø&+ÐÐ+Ð+Ð+Ñ+ØVØ€MÐÐÐÑØMØ=AÐÐAÐAÐAÑAØ)àð ð  ð  ñ „Xð ð ðð ð ñ „Xðð ð$ð $ð $ñ „Xð$ð ð ,0ðO
ð 37Ø6:Ø26Ø.2Ø#%Ø#%Ø %Ø26Ø6:ðO
ð O
ð O
ð O
ð O
ñ „[ðO
ðh =Að9ð 9ð 9ð 9ð 9ð 9ð 9r   r\   )r   r   r   r   )r    r!   r"   r#   r$   r#   r   r   )!r¤   Ú
__future__r   r   Útypingr   r   r   r   Ú&langchain_community.graphs.graph_storer   Úlangchain_core.language_modelsr	   Úlangchain_core.promptsr
   Úlangchain_core.pydantic_v1r   Úlangchain.callbacks.managerr   Úlangchain.chains.baser   Ú&langchain.chains.graph_qa.cypher_utilsr   r   Ú!langchain.chains.graph_qa.promptsr   r   Úlangchain.chains.llmr   r›   r   rZ   r\   r*   r   r   ú<module>r²      se  ðØ &Ð &Ø "Ð "Ð "Ð "Ð "Ð "à 	€	€	€	Ø ,Ð ,Ð ,Ð ,Ð ,Ð ,Ð ,Ð ,Ð ,Ð ,Ð ,Ð ,à =Ð =Ð =Ð =Ð =Ð =Ø <Ð <Ð <Ð <Ð <Ð <Ø 5Ð 5Ð 5Ð 5Ð 5Ð 5Ø ,Ð ,Ð ,Ð ,Ð ,Ð ,à BÐ BÐ BÐ BÐ BÐ BØ 'Ð 'Ð 'Ð 'Ð 'Ð 'Ø OÐ OÐ OÐ OÐ OÐ OÐ OÐ OØ XÐ XÐ XÐ XÐ XÐ XÐ XÐ XØ )Ð )Ð )Ð )Ð )Ð )à-Ð ð+ð +ð +ð +ð$;ð ;ð ;ð ;ð|~ð ~ð ~ð ~ð ~˜ñ ~ô ~ð ~ð ~ð ~r   