o
    	۷i30                     @   s   d dl mZmZ d dlZd dlmZ d dlmZmZmZm	Z	m
Z
 ddlmZ ddlmZ ddlmZmZ d	d
lmZ eeZG dd de	ZG dd deZG dd dejZG dd de
ZG dd deZG dd deZg dZdS )    )OptionalUnionN)nn)LlavaCausalLMOutputWithPastLlavaForConditionalGeneration
LlavaModelLlavaModelOutputWithPastLlavaPreTrainedModel   )ACT2FN)Cache)auto_docstringlogging   )VipLlavaConfigc                   @      e Zd ZdS )VipLlavaModelOutputWithPastN__name__
__module____qualname__ r   r   c/home/ubuntu/vllm_env/lib/python3.10/site-packages/transformers/models/vipllava/modular_vipllava.pyr   &       r   c                   @   r   )VipLlavaCausalLMOutputWithPastNr   r   r   r   r   r   *   r   r   c                       s*   e Zd Zdef fddZdd Z  ZS )VipLlavaMultiModalProjectorconfigc                    s   t    t|jtrdnt|j}tj||jj	 |j
d| _tj||jj	 |jj	dd| _t|j | _tj|jj	|jj	dd| _d S )Nr   )epsT)bias)super__init__
isinstancevision_feature_layersintlenr   	LayerNormvision_confighidden_sizeprojector_layernorm_epsprojector_layernormLineartext_configlinear_1r   projector_hidden_actactlinear_2)selfr   num_feature_layers	__class__r   r   r    /   s   

z$VipLlavaMultiModalProjector.__init__c                 C   s,   |  |}| |}| |}| |}|S N)r)   r,   r.   r/   )r0   hidden_statesr   r   r   forward>   s
   



z#VipLlavaMultiModalProjector.forward)r   r   r   r   r    r6   __classcell__r   r   r2   r   r   .   s    r   c                   @   r   )VipLlavaPreTrainedModelNr   r   r   r   r   r8   F   r   r8   c                   @   s   e Zd Z	ddejdeeeee f  fddZ	e
												ddeej deej deej deej d	ee d
eej deeeee f  dee dee dee dee deej deeef fddZdS )VipLlavaModelNpixel_valuesr"   c                    sv   |dur|n| j j}| j|dd t|tr$ j| ddddf }n fdd|D }tj|dd}| |}|S )	aW  
        Obtains image last hidden states from the vision tower and apply multimodal projection.

        Args:
            pixel_values (`torch.FloatTensor]` of shape `(batch_size, channels, height, width)`)
               The tensors corresponding to the input images.
            vision_feature_layers (`Union[int, list[int]]`):
                The vision feature layer, or the list of indexes of the layers to select
                the vision feature.
        Returns:
            image_features (`torch.Tensor`): Image feature tensor of shape `(num_images, image_length, embed_dim)`).
        NT)output_hidden_statesr   c                    s&   g | ]} j | d d dd f qS )Nr   )r5   ).0indeximage_outputsr   r   
<listcomp>e   s   & z4VipLlavaModel.get_image_features.<locals>.<listcomp>)dim)	r   r"   vision_towerr!   r#   r5   torchcatmulti_modal_projector)r0   r:   r"   image_featuresr   r>   r   get_image_featuresK   s   

z VipLlavaModel.get_image_features	input_idsattention_maskposition_idspast_key_valuesinputs_embeds	use_cacheoutput_attentionsr;   return_dictcache_positionreturnc                 K   s  |	dur|	n| j j}	|
dur|
n| j j}
|dur|n| j j}|dur$|n| j j}|du |duA r4td|du r>|  |}|dur_| j||d}||j	|j
}| j|||d}|||}| jd||||||	|
d|d	|}t|j|j|j|j|dur|ndd}|r|S | S )	z
        vision_feature_layers (`Union[int, list[int]]`, *optional*):
            The vision feature layer, or the list of indexes of the layers to select
            the vision feature.
        Nz:You must specify exactly one of input_ids or inputs_embedsr:   r"   )rM   rG   T)	rJ   rK   rL   rM   rN   rO   r;   rP   rQ   )last_hidden_staterL   r5   
attentionsimage_hidden_statesr   )r   rO   r;   use_return_dictr"   
ValueErrorget_input_embeddingsrH   todevicedtypeget_placeholder_maskmasked_scatterlanguage_modelr   rT   rL   r5   rU   to_tuple)r0   rI   r:   rJ   rK   rL   rM   r"   rN   rO   r;   rP   rQ   	lm_kwargsrG   special_image_maskoutputsoutputr   r   r   r6   j   sP   
zVipLlavaModel.forwardr4   )NNNNNNNNNNNN)r   r   r   rD   FloatTensorr   r   r#   listrH   r   
LongTensorTensorr   booltupler   r6   r   r   r   r   r9   J   s^    
	

r9   c                !   @   s   e Zd Z	ddejdeeeee f  fddZ															ddeej
 deej deej d	eej
 d
ee deej deeeee f  deej
 dee dee dee dee deej
 deeejf deeef fddZdS ) VipLlavaForConditionalGenerationNr:   r"   c                 C   s   | j j||dS )NrS   )modelrH   )r0   r:   r"   r   r   r   rH      s   z3VipLlavaForConditionalGeneration.get_image_featuresr   rI   rJ   rK   rL   rM   labelsrN   rO   r;   rP   rQ   logits_to_keeprR   c                 K   s   |
dur|
n| j j}
|dur|n| j j}|dur|n| j j}|dur$|n| j j}| jd|||||||	||
|d|d|}|d }t|trLt| dn|}| 	|dd|ddf }d}|durm| j
||| j jjd}t|||j|j|j|jdS )a  
        vision_feature_layers (`Union[int, list[int]]`, *optional*):
            The vision feature layer, or the list of indexes of the layers to select
            the vision feature.
        labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
            Labels for computing the masked language modeling loss. Indices should either be in `[0, ...,
            config.vocab_size]` or -100 (see `input_ids` docstring). Tokens with indices set to `-100` are ignored
            (masked), the loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`.

        Example:

        ```python
        >>> import torch
        >>> from PIL import Image
        >>> import requests
        >>> from transformers import AutoProcessor, VipLlavaForConditionalGeneration

        >>> model = VipLlavaForConditionalGeneration.from_pretrained("llava-hf/vip-llava-7b-hf", device_map="auto", dtype=torch.float16)
        >>> processor = AutoProcessor.from_pretrained("llava-hf/vip-llava-7b-hf")

        >>> prompt = "A chat between a curious human and an artificial intelligence assistant. The assistant gives helpful, detailed, and polite answers to the human's questions.###Human: <image>\n{}###Assistant:"
        >>> question = "Can you please describe this image?"
        >>> prompt = prompt.format(question)
        >>> url = "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/diffusers/compel-neg.png"
        >>> image = Image.open(requests.get(url, stream=True).raw)

        >>> inputs = processor(text=text, images=image, return_tensors="pt").to(0, torch.float16)

        >>> # Generate
        >>> generate_ids = model.generate(**inputs, max_new_tokens=20)
        >>> processor.decode(generate_ids[0][len(inputs["input_ids"][0]):], skip_special_tokens=True)
        The image features a brown and white cat sitting on a green surface, with a red ball in its
        ```NT)rI   r:   rJ   rK   rL   rM   rN   r"   rO   r;   rP   rQ   r   )logitsrm   
vocab_size)lossro   rL   r5   rU   rV   r   )r   rO   r;   rW   r"   rl   r!   r#   slicelm_headloss_functionr+   rp   r   rL   r5   rU   rV   )r0   rI   r:   rJ   rK   rL   rM   r"   rm   rN   rO   r;   rP   rQ   rn   ra   rc   r5   slice_indicesro   rq   r   r   r   r6      sH   4z(VipLlavaForConditionalGeneration.forwardr4   )NNNNNNNNNNNNNr   )r   r   r   rD   re   r   r   r#   rf   rH   rg   rh   r   ri   rj   r   r6   r   r   r   r   rk      sh    
	

rk   )r9   rk   r8   )typingr   r   rD   r   (transformers.models.llava.modeling_llavar   r   r   r   r	   activationsr   cache_utilsr   utilsr   r   configuration_vipllavar   
get_loggerr   loggerr   r   Moduler   r8   r9   rk   __all__r   r   r   r   <module>   s    
ff