
    dh7"                         S r SSKJrJrJrJrJrJr  SSKJ	r	  SSK
JrJr  SSKJrJr  SSKJrJr  SSKJrJrJr  SSKJrJrJr  S	rS
rS\S\S\4S jr\	" SSSS9 " S S\5      5       rg)u   
Deprecated LiteLLM wrapper.

⭐  Use `pip install langchain-litellm` and import
   `from langchain_litellm import ChatLiteLLMRouter` instead.
    )AnyAsyncIteratorIteratorListMappingOptional)
deprecated)AsyncCallbackManagerForLLMRunCallbackManagerForLLMRun)agenerate_from_streamgenerate_from_stream)AIMessageChunkBaseMessage)ChatGenerationChatGenerationChunk
ChatResult)ChatLiteLLM_convert_delta_to_message_chunk_convert_dict_to_messagetoken_usagemodel_extrausageparamsreturnc                 L    [         U 0nUS   nU H  nXB;  d  M
  X4   X$'   M     U$ )z%Get llm output from usage and params.metadata)token_usage_key_name)r   r   
llm_outputr   keys        f/var/www/html/shao/venv/lib/python3.13/site-packages/langchain_community/chat_models/litellm_router.pyget_llm_outputr!       s7    &.Jj!H &mJO      z0.3.24z1.0z#langchain_litellm.ChatLiteLLMRouter)sinceremovalalternative_importc                     ^  \ rS rSr% Sr\\S'   S\S\SS4U 4S jjr\S\	4S j5       r
S	\SS4S
 jrS\	SS4S jr   SS\\   S\\\	      S\\   S\\   S\S\4S jjr  SS\\   S\\\	      S\\   S\S\\   4
S jjr  SS\\   S\\\	      S\\   S\S\\   4
S jjr   SS\\   S\\\	      S\\   S\\   S\S\4S jjrS\\\      S\4S jrS\\	\4   S	\S\4S jrSrU =r $ )ChatLiteLLMRouter,   uA   DEPRECATED – use `langchain_litellm.ChatLiteLLMRouter` instead.routerkwargsr   Nc                6   > [         TU ]  " SSU0UD6  Xl        g)zConstruct Chat LiteLLM Router.r)   N )super__init__r)   )selfr)   r*   	__class__s      r    r.   ChatLiteLLMRouter.__init__6   s    11&1r"   c                     g)NLiteLLMRouterr,   )r/   s    r    	_llm_typeChatLiteLLMRouter._llm_type;   s    r"   r   c                 D    SnX!;   a  X   c  X	 UR                  S0 5        g )Napi_baser   )
setdefault)r/   r   api_base_key_names      r    _prepare_params_for_router,ChatLiteLLMRouter._prepare_params_for_router?   s.    &&6+D+L) 	*b)r"   
model_namec                     U R                   R                  nU(       d  [        S5      eU H  nUS   U:X  d  M  Xl          g   [        SU S35      e)zSet the default model to use for completion calls.

Sets `self.model` to `model_name` if it is in the litellm router's
(`self.router`) model list. This provides the default model to use
for completion calls if no `model` kwarg is provided.
zmodel_list is None or empty.r<   NzModel z not found in model_list.)r)   
model_list
ValueErrormodel)r/   r<   r>   entrys       r    set_default_model#ChatLiteLLMRouter.set_default_modelH   sX     [[++
;<<E\"j0'
   6*-FGHHr"   messagesstoprun_managerstreamc                 (   Ub  UOU R                   nU(       a   U R                  " U4X#S.UD6n[        U5      $ U R                  X5      u  p0 U	EUEn	U R	                  U	5        U R
                  R                  " SSU0U	D6n
U R                  " U
40 U	D6$ )N)rE   rF   rD   r,   )	streaming_streamr   _create_message_dictsr:   r)   
completion_create_chat_resultr/   rD   rE   rF   rG   r*   should_streamstream_itermessage_dictsr   responses              r    	_generateChatLiteLLMRouter._generateX   s     #)"4$..,,#@FK (44 $ : :8 J%F%f%''/;;)) 
"

 '';F;;r"   c              +     #    [         nU R                  X5      u  pg0 UEUESS0EnU R                  U5        U R                  R                  " S	SU0UD6 Hl  n[        US   5      S:X  a  M  US   S   S   n	[        X5      nUR                  n[        US9n
U(       a  UR                  " UR                  4SU
0UD6  U
v   Mn     g 7f
NrG   TrD   choicesr   delta)messagechunkr,   )r   rK   r:   r)   rL   lenr   r0   r   on_llm_new_tokencontentr/   rD   rE   rF   r*   default_chunk_classrQ   r   rZ   rX   cg_chunks              r    rJ   ChatLiteLLMRouter._streamq   s      - $ : :8 J5F5f5h5''/[[++M]MfME5#$))$Q'0E3EOE"'//*59H,,U]]U(UfUN Ns   CCc                  #    [         nU R                  X5      u  pg0 UEUESS0EnU R                  U5        U R                  R                  " S	SU0UD6I S h  vN   S h  vN n[        US   5      S:X  a  M  US   S   S   n	[        X5      nUR                  n[        US9n
U(       a'  UR                  " UR                  4SU
0UD6I S h  vN   U
7v   M}   N Nz N
 g 7frV   )r   rK   r:   r)   acompletionr[   r   r0   r   r\   r]   r^   s              r    _astreamChatLiteLLMRouter._astream   s     - $ : :8 J5F5f5h5''/!%!8!8 "
""
&,"
 
 
 	% 5#$))$Q'0E3EOE"'//*59H!22MM)15;   N
 	
sI   AC"CC"C !C"C %A)C"CC"C C" C"c                 X  #    Ub  UOU R                   nU(       a(  U R                  " SXUS.UD6n[        U5      I S h  vN $ U R                  X5      u  p0 U	EUEn	U R	                  U	5        U R
                  R                  " SSU0U	D6I S h  vN n
U R                  " U
40 U	D6$  Ng N7f)N)rD   rE   rF   rD   r,   )rI   rd   r   rK   r:   r)   rc   rM   rN   s              r    
_agenerateChatLiteLLMRouter._agenerate   s      #)"4$..-- !+IOK /{;;; $ : :8 J%F%f%''/00 
"

 
 '';F;; <
s"   <B*B&AB*B(B*(B*llm_outputsc                    0 nS nU Hi  nUc  M  US   nUbC  UR                  5       R                  5        H!  u  pgXb;   a  X&   b  X&==   U-  ss'   M  XrU'   M#     Ub  MX  UR                  S5      nMk     X R                  S.nU(       a  X8S'   U$ )Nr   system_fingerprint)r   r<   )
model_dumpitemsgetr@   )	r/   ri   overall_token_usagerk   outputr   kvcombineds	            r    _combine_llm_outputs&ChatLiteLLMRouter._combine_llm_outputs   s    $&!!F~ /K&'224::<DA/4G4J4V+.!3.12A.	 =
 ")%+ZZ0D%E" " $7jjQ-?)*r"   rR   c           	          SSK Jn  / nUS    HB  n[        US   5      n[        U[	        UR                  S5      S9S9nUR                  U5        MD     UR                  SU" SSS	95      n[        U40 UD6n	[        XIS
9$ )Nr   )UsagerW   rY   finish_reason)rx   )rY   generation_infor   )prompt_tokenstotal_tokens)generationsr   )	litellm.utilsrw   r   r   dictrn   appendr!   r   )
r/   rR   r   rw   r|   resrY   genr   r   s
             r    rM   %ChatLiteLLMRouter._create_chat_result   s     	(I&C.s9~>G  $377?3K LC s# ' ll7EPQ,RS#K:6:
kIIr"   )r@   r)   )NNN)NN)!__name__
__module____qualname____firstlineno____doc__r   __annotations__r.   propertystrr4   r:   rB   r   r   r   r   boolr   rS   r   r   rJ   r
   r   rd   rg   r~   rt   r   rM   __static_attributes____classcell__)r0   s   @r    r'   r'   ,   s*    LK#   
 3  * * *IC ID I& %):>!%<{#< tCy!< 67	<
 < < 
<8 %):>	{# tCy! 67	
  
%	&4 %)?C	{# tCy! ;<	
  
*	+< %)?C!%<{#< tCy!< ;<	<
 < < 
<8Xd^0D  ,JS)J58J	J Jr"   r'   N) r   typingr   r   r   r   r   r   langchain_core._api.deprecationr	    langchain_core.callbacks.managerr
   r   *langchain_core.language_models.chat_modelsr   r   langchain_core.messagesr   r   langchain_core.outputsr   r   r   'langchain_community.chat_models.litellmr   r   r   r   model_extra_key_namer~   r!   r'   r,   r"   r    <module>r      s    I H 6 @ R R  % $ 	# 	 	 	 
<
sJ sJ
sJr"   