
    rh%                        d Z ddlmZmZmZ ddlZddl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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m Z m!Z!m"Z"m#Z#m$Z$m%Z%m&Z& ddl'm(Z(  ejR                  e*      Z+ G d dejX                        Z- G d de      Z. G d de      Z/ G d de$      Z0 G d de#      Z1 G d de       Z2 G d d e!      Z3 G d! d"e"      Z4g d#Z5y)$zPyTorch Starcoder2 model.    )CallableOptionalUnionN)nn)check_model_inputs   )ACT2FN)CacheDynamicCache)create_causal_mask!create_sliding_window_causal_mask)FlashAttentionKwargs)BaseModelOutputWithPast)ALL_ATTENTION_FUNCTIONS)Unpack)TransformersKwargslogging   )	MistralAttentionMistralDecoderLayerMistralForCausalLM MistralForSequenceClassificationMistralForTokenClassificationMistralModelMistralRotaryEmbeddingapply_rotary_pos_embeager_attention_forward   )Starcoder2Configc                   h     e Zd Zdef fdZdeeej                        dej                  fdZ	 xZ
S )Starcoder2MLPconfigc                 P   t         |           |j                  }t        j                  ||j
                  |j                        | _        t        j                  |j
                  ||j                        | _        t        |j                     | _        |j                  | _        y N)bias)super__init__hidden_sizer   Linearintermediate_sizeuse_biasc_fcc_projr	   
hidden_actactresidual_dropout)selfr"   	embed_dim	__class__s      /var/www/html/ai-insurance-compliance-backend/venv/lib/python3.12/site-packages/transformers/models/starcoder2/modular_starcoder2.pyr'   zStarcoder2MLP.__init__8   su    &&	IIi)A)AX	ii 8 8)&//Z&++, & 7 7    hidden_statesreturnc                     | j                  |      }| j                  |      }| j                  |      }t        j                  j                  || j                  | j                        }|S )Nptraining)r,   r/   r-   r   
functionaldropoutr0   r;   )r1   r6   s     r4   forwardzStarcoder2MLP.forward@   sZ    		-0/M2--mt?T?T_c_l_l-mr5   )__name__
__module____qualname__r   r'   r   tupletorchFloatTensorr>   __classcell__r3   s   @r4   r!   r!   7   s9    8/ 8XeE4E4E.F%G EL]L] r5   r!   c                   :    e Zd Zddedee   f fdZ	 	 ddej                  de	ej                  ej                  f   deej                     dee
   deej                     d	ee   d
e	ej                  eej                     ee	ej                        f   fdZ xZS )Starcoder2Attentionr"   	layer_idxc                    t         |           |j                  | _        t        j                  |j
                  |j                  | j                  z  |j                        | _	        t        j                  |j
                  |j                  | j                  z  |j                        | _        t        j                  |j
                  |j                  | j                  z  |j                        | _        t        j                  |j                  | j                  z  |j
                  |j                        | _        y r$   )r&   r'   r0   r   r)   r(   num_attention_headshead_dimr+   q_projnum_key_value_headsk_projv_projo_projr1   r"   rI   r3   s      r4   r'   zStarcoder2Attention.__init__I   s     & 7 7ii 2 2F4N4NQUQ^Q^4^eketetuii 2 2F4N4NQUQ^Q^4^eketetuii 2 2F4N4NQUQ^Q^4^eketetuii : :T]] JFL^L^eketetur5   r6   position_embeddingsattention_maskpast_key_valuecache_positionkwargsr7   c           
         |j                   d d }g |d| j                  }| j                  |      j                  |      j	                  dd      }	| j                  |      j                  |      j	                  dd      }
| j                  |      j                  |      j	                  dd      }|\  }}t        |	|
||      \  }	}
|'|||d}|j                  |
|| j                  |      \  }
}t        }| j                  j                  dk7  rt        | j                  j                     } || |	|
||f| j                  sdn| j                  | j                   t#        | j                  dd       d|\  }} |j$                  g |d j'                         }| j)                  |      }t*        j,                  j/                  || j0                  | j                  	      }||fS )
Nr   r   )sincosrV   eagerg        sliding_window)r=   scalingr]   r9   )shaperL   rM   view	transposerO   rP   r   updaterI   r   r"   _attn_implementationr   r;   attention_dropoutr^   getattrreshape
contiguousrQ   r   r<   r=   r0   )r1   r6   rS   rT   rU   rV   rW   input_shapehidden_shapequery_states
key_statesvalue_statesr[   rZ   cache_kwargsattention_interfaceattn_outputattn_weightss                     r4   r>   zStarcoder2Attention.forwardQ   s    $))#2.88b8$--8{{=166|DNNqRST[[/44\BLLQPQR
{{=166|DNNqRST&S#7jRUWZ#[ j%#&snUL'5'<'<ZW[WeWegs't$J(?;;++w6"9$++:Z:Z"[$7
%
  $}}C$2H2HLL"4;;0@$G
%
 
%
!\ *k));;;;FFHkk+.mm++4004== , 
 L((r5   )N)NN)r?   r@   rA   r   r   intr'   rC   TensorrB   r
   
LongTensorr   r   r>   rE   rF   s   @r4   rH   rH   H   s    v/ vHSM v +/59.)||.) #5<<#=>.) !.	.)
 !.) !!1!12.) -..) 
u||Xell3XeELL>Q5RR	S.)r5   rH   c                   (     e Zd Zdedef fdZ xZS )Starcoder2DecoderLayerr"   rI   c                 (   t         |   |        t        ||      | _        t	        |      | _        t        j                  |j                  |j                        | _
        t        j                  |j                  |j                        | _        y )N)r"   rI   eps)r&   r'   rH   	self_attnr!   mlpr   	LayerNormr(   norm_epsiloninput_layernormpost_attention_layernormrR   s      r4   r'   zStarcoder2DecoderLayer.__init__   sh    ,FiP (!||F,>,>FDWDWX(*V5G5GVM`M`(a%r5   )r?   r@   rA   r   rq   r'   rE   rF   s   @r4   ru   ru      s     b/ bC b br5   ru   c                       e Zd Zy)Starcoder2RotaryEmbeddingNr?   r@   rA    r5   r4   r   r          r5   r   c                   "    e Zd Zdef fdZe	 	 	 	 	 	 	 ddeej                     deej                     deej                     dee
eeej                     f      deej                     dee   d	eej                     d
ee   defd       Z xZS )Starcoder2Modelr"   c           	      :   t         |   |       t        j                  t	        |j
                        D cg c]  }t        ||       c}      | _        t        j                  |j                  |j                        | _        |j                  | _        y c c}w )Nrw   )r&   r'   r   
ModuleListrangenum_hidden_layersru   layersr{   r(   r|   normembedding_dropoutrR   s      r4   r'   zStarcoder2Model.__init__   su     mmHMfNfNfHgh9#FI6h
 LL!3!39L9LM	!'!9!9 is   B	input_idsrT   position_idspast_key_valuesinputs_embeds	use_cacherV   rW   r7   c                    |d u |d uz  rt        d      || j                  |      }|r|
t               }|F||j                         nd}	t	        j
                  |	|	|j                  d   z   |j                        }||j                  d      }| j                  j                  t        nt        }
 |
| j                  |||||      }|}t        j                  j                  || j                   | j"                        }| j%                  ||      }| j&                  d | j                  j(                   D ]  } ||f||||||d|} | j+                  |      }t-        ||r|      S d       S )	Nz:You must specify exactly one of input_ids or inputs_embedsr   r   )device)r"   input_embedsrT   rV   r   r   r9   )rT   r   rU   r   rV   rS   )last_hidden_stater   )
ValueErrorembed_tokensr   get_seq_lengthrC   aranger_   r   	unsqueezer"   r]   r   r   r   r<   r=   r   r;   
rotary_embr   r   r   r   )r1   r   rT   r   r   r   r   rV   rW   past_seen_tokensmask_functioncausal_maskr6   rS   decoder_layers                  r4   r>   zStarcoder2Model.forward   s    -t";<YZZ  --i8M0*nO!CRC^==?de"\\ "2]5H5H5K"KTaThThN )33A6L.2kk.H.H.P*Vw#;;&))+%
 &--T33dmm . 

 #oom\J![[)H4;;+H+HI 
	M)	*).#-$7	 	M
	 		-0&+/8O
 	
>B
 	
r5   )NNNNNNN)r?   r@   rA   r   r'   r   r   rC   rs   rr   r   r
   listrD   boolr   r   r   r>   rE   rF   s   @r4   r   r      s    :/ :  151537KO59$(59?
E,,-?
 !.?
 u//0	?

 "%tE4E4E/F(F"GH?
   1 12?
 D>?
 !!1!12?
 +,?
 
!?
 ?
r5   r   c                       e Zd Zy)Starcoder2ForCausalLMNr   r   r5   r4   r   r      r   r5   r   c                       e Zd Zy)#Starcoder2ForSequenceClassificationNr   r   r5   r4   r   r      r   r5   r   c                       e Zd Zy) Starcoder2ForTokenClassificationNr   r   r5   r4   r   r      r   r5   r   )r   r   Starcoder2PreTrainedModelr   r   )6__doc__typingr   r   r   rC   torch.utils.checkpointr   transformers.utils.genericr   activationsr	   cache_utilsr
   r   masking_utilsr   r   modeling_flash_attention_utilsr   modeling_outputsr   modeling_utilsr   processing_utilsr   utilsr   r   mistral.modeling_mistralr   r   r   r   r   r   r   r   r   configuration_starcoder2r   
get_loggerr?   loggerModuler!   rH   ru   r   r   r   r   r   __all__r   r5   r4   <module>r      s   (   , ,    9 ! . R B 7 5 & 0
 
 
 7 
		H	%BII "7)* 7)tb0 b	 6 	I
l I
X	. 		*J 		'D 	r5   