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#                🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
#           This file was automatically generated from src/transformers/models/colpali/modular_colpali.py.
#               Do NOT edit this file manually as any edits will be overwritten by the generation of
#             the file from the modular. If any change should be done, please apply the change to the
#                          modular_colpali.py file directly. One of our CI enforces this.
#                🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
# coding=utf-8
# Copyright 2024 The HuggingFace Inc. team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


from typing import Optional, Union

from ...feature_extraction_utils import BatchFeature
from ...image_utils import ImageInput, make_flat_list_of_images
from ...processing_utils import MultiModalData, ProcessingKwargs, ProcessorMixin, Unpack
from ...tokenization_utils_base import AddedToken, PreTokenizedInput, TextInput
from ...utils import is_torch_available


if is_torch_available():
    import torch


class ColPaliProcessorKwargs(ProcessingKwargs, total=False):
    _defaults = {
        "text_kwargs": {
            "padding": "longest",
        },
        "images_kwargs": {
            "data_format": "channels_first",
            "do_convert_rgb": True,
        },
        "common_kwargs": {"return_tensors": "pt"},
    }


IMAGE_TOKEN = "<image>"
EXTRA_TOKENS = [f"<loc{i:0>4}>" for i in range(1024)] + [f"<seg{i:0>3}>" for i in range(128)]


def build_string_from_input(prompt, bos_token, image_seq_len, image_token, num_images):
    """
    Builds a string from the input prompt and image tokens.
    For example, for the call:
    build_string_from_input(
        prompt="Prefix str"
        bos_token="<s>",
        image_seq_len=3,
        image_token="<im>",
    )
    The output will be:
    "<im><im><im><s>Initial str"
    Args:
        prompt (`list[Union[str, ImageInput]]`): The input prompt.
        bos_token (`str`): The beginning of sentence token.
        image_seq_len (`int`): The length of the image sequence.
        image_token (`str`): The image token.
        num_images (`int`): Number of images in the prompt.
    """
    return f"{image_token * image_seq_len * num_images}{bos_token}{prompt}\n"


class ColPaliProcessor(ProcessorMixin):
    r"""
    Constructs a ColPali processor which wraps a PaliGemmaProcessor and special methods to process images and queries, as
    well as to compute the late-interaction retrieval score.
    [`ColPaliProcessor`] offers all the functionalities of [`PaliGemmaProcessor`]. See the [`~PaliGemmaProcessor.__call__`]
    for more information.
    Args:
        image_processor ([`SiglipImageProcessor`], *optional*):
            The image processor is a required input.
        tokenizer ([`LlamaTokenizerFast`], *optional*):
            The tokenizer is a required input.
        chat_template (`str`, *optional*): A Jinja template which will be used to convert lists of messages
            in a chat into a tokenizable string.
        visual_prompt_prefix (`str`, *optional*, defaults to `"Describe the image."`):
            A string that gets tokenized and prepended to the image tokens.
        query_prefix (`str`, *optional*, defaults to `"Question: "`):
            A prefix to be used for the query.
    """

    attributes = ["image_processor", "tokenizer"]
    image_processor_class = ("SiglipImageProcessor", "SiglipImageProcessorFast")
    tokenizer_class = ("GemmaTokenizer", "GemmaTokenizerFast")

    def __init__(
        self,
        image_processor=None,
        tokenizer=None,
        chat_template=None,
        visual_prompt_prefix: str = "Describe the image.",
        query_prefix: str = "Question: ",
    ):
        super().__init__(image_processor, tokenizer, chat_template=chat_template)
        if not hasattr(image_processor, "image_seq_length"):
            raise ValueError("Image processor is missing an `image_seq_length` attribute.")

        self.image_seq_length = image_processor.image_seq_length

        if not hasattr(tokenizer, "image_token"):
            image_token = AddedToken(IMAGE_TOKEN, normalized=False, special=True)
            tokens_to_add = {"additional_special_tokens": [image_token]}
            tokenizer.add_special_tokens(tokens_to_add)
            self.image_token_id = tokenizer.convert_tokens_to_ids(IMAGE_TOKEN)
            self.image_token = IMAGE_TOKEN
        else:
            self.image_token_id = tokenizer.image_token_id
            self.image_token = tokenizer.image_token

        tokenizer.add_tokens(EXTRA_TOKENS)
        tokenizer.add_bos_token = False
        tokenizer.add_eos_token = False
        self.visual_prompt_prefix = visual_prompt_prefix
        self.query_prefix = query_prefix

    def __call__(
        self,
        images: Optional[ImageInput] = None,
        text: Union[TextInput, PreTokenizedInput, list[TextInput], list[PreTokenizedInput]] = None,
        audio=None,
        videos=None,
        **kwargs: Unpack[ColPaliProcessorKwargs],
    ) -> BatchFeature:
        """
        Main method to prepare for the model either (1) one or several texts, either (2) one or several image(s). This method is a custom
        wrapper around the PaliGemmaProcessor's [`~PaliGemmaProcessor.__call__`] method adapted for the ColPali model. It cannot process
        both text and images at the same time.
        When preparing the text(s), this method forwards the `text` and `kwargs` arguments to LlamaTokenizerFast's
        [`~LlamaTokenizerFast.__call__`].
        When preparing the image(s), this method forwards the `images` and `kwargs` arguments to SiglipImageProcessor's
        [`~SiglipImageProcessor.__call__`].
        Please refer to the docstring of the above two methods for more information.
        Args:
            images (`PIL.Image.Image`, `np.ndarray`, `torch.Tensor`, `list[PIL.Image.Image]`, `list[np.ndarray]`, `list[torch.Tensor]`):
                The image or batch of images to be prepared. Each image can be a PIL image, NumPy array or PyTorch
                tensor. In case of a NumPy array/PyTorch tensor, each image should be of shape (C, H, W), where C is a
                number of channels, H and W are image height and width.
            text (`str`, `list[str]`, `list[list[str]]`):
                The sequence or batch of sequences to be encoded. Each sequence can be a string or a list of strings
                (pretokenized string). If the sequences are provided as list of strings (pretokenized), you must set
                `is_split_into_words=True` (to lift the ambiguity with a batch of sequences).
            return_tensors (`str` or [`~utils.TensorType`], *optional*):
                If set, will return tensors of a particular framework. Acceptable values are:
                - `'tf'`: Return TensorFlow `tf.constant` objects.
                - `'pt'`: Return PyTorch `torch.Tensor` objects.
                - `'np'`: Return NumPy `np.ndarray` objects.
                - `'jax'`: Return JAX `jnp.ndarray` objects.
        Returns:
            [`BatchFeature`]: A [`BatchFeature`] with the following fields:
            - **input_ids** -- List of token ids to be fed to a model.
            - **attention_mask** -- List of indices specifying which tokens should be attended to by the model (when
              `return_attention_mask=True` or if *"attention_mask"* is in `self.model_input_names` and if `text` is not
              `None`).
            - **pixel_values** -- Pixel values to be fed to a model. Returned when `images` is not `None`.
        """
        output_kwargs = self._merge_kwargs(
            ColPaliProcessorKwargs,
            tokenizer_init_kwargs=self.tokenizer.init_kwargs,
            **kwargs,
        )
        suffix = output_kwargs["text_kwargs"].pop("suffix", None)

        return_token_type_ids = suffix is not None

        if text is None and images is None:
            raise ValueError("Either text or images must be provided")
        if text is not None and images is not None:
            raise ValueError("Only one of text or images can be processed at a time")

        if images is not None:
            images = self.image_processor.fetch_images(images)
            images = make_flat_list_of_images(images)
            texts_doc = [self.visual_prompt_prefix] * len(images)
            images = [image.convert("RGB") for image in images]

            input_strings = [
                build_string_from_input(
                    prompt=prompt,
                    bos_token=self.tokenizer.bos_token,
                    image_seq_len=self.image_seq_length,
                    image_token=IMAGE_TOKEN,
                    num_images=len(image_list) if isinstance(image_list, list) else 1,
                )
                for prompt, image_list in zip(texts_doc, images)
            ]
            pixel_values = self.image_processor(images, **output_kwargs["images_kwargs"])["pixel_values"]

            # max_length has to account for the image tokens
            if output_kwargs["text_kwargs"].get("max_length", None) is not None:
                output_kwargs["text_kwargs"]["max_length"] += self.image_seq_length

            inputs = self.tokenizer(
                input_strings,
                return_token_type_ids=False,
                **output_kwargs["text_kwargs"],
            )

            return_data = {**inputs, "pixel_values": pixel_values}

            if return_token_type_ids:
                labels = inputs["input_ids"].masked_fill(inputs["token_type_ids"] == 0, -100)
                return_data.update({"labels": labels})

            return BatchFeature(data=return_data)

        elif text is not None:
            if isinstance(text, str):
                text = [text]
            elif not (isinstance(text, list) and isinstance(text[0], str)):
                raise ValueError("Text must be a string or a list of strings")

            if suffix is None:
                suffix = self.query_augmentation_token * 10

            texts_query: list[str] = []
            for query in text:
                query = self.tokenizer.bos_token + self.query_prefix + query + suffix + "\n"
                texts_query.append(query)

            output_kwargs["text_kwargs"]["max_length"] = output_kwargs["text_kwargs"].get("max_length", 50)

            batch_query = self.tokenizer(
                texts_query,
                return_token_type_ids=False,
                **output_kwargs["text_kwargs"],
            )

            return batch_query

    def _get_num_multimodal_tokens(self, image_sizes=None, **kwargs):
        """
        Computes the number of placeholder tokens needed for multimodal inputs with the given sizes.
        Args:
            image_sizes (list[list[str]], *optional*):
                The input sizes formatted as (height, width) per each image.
        Returns:
            `MultiModalData`: A `MultiModalData` object holding number of tokens per each of the provided
            input modalities, along with other useful data.
        """
        vision_data = {}
        if image_sizes is not None:
            num_image_tokens = [self.image_seq_length] * len(image_sizes)
            num_image_patches = [1] * len(image_sizes)
            vision_data.update({"num_image_tokens": num_image_tokens, "num_image_patches": num_image_patches})
        return MultiModalData(**vision_data)

    @property
    def query_augmentation_token(self) -> str:
        """
        Return the query augmentation token.
        Query augmentation buffers are used as reasoning buffers during inference.
        """
        return self.tokenizer.pad_token

    def process_images(
        self,
        images: Optional[ImageInput] = None,
        **kwargs: Unpack[ColPaliProcessorKwargs],
    ) -> BatchFeature:
        """
        Prepare for the model one or several image(s). This method is a wrapper around the `__call__` method of the ColPaliProcessor's
        [`ColPaliProcessor.__call__`].
        This method forwards the `images` and `kwargs` arguments to the image processor.
        Args:
            images (`PIL.Image.Image`, `np.ndarray`, `torch.Tensor`, `list[PIL.Image.Image]`, `list[np.ndarray]`, `list[torch.Tensor]`):
                The image or batch of images to be prepared. Each image can be a PIL image, NumPy array or PyTorch
                tensor. In case of a NumPy array/PyTorch tensor, each image should be of shape (C, H, W), where C is a
                number of channels, H and W are image height and width.
            return_tensors (`str` or [`~utils.TensorType`], *optional*):
                If set, will return tensors of a particular framework. Acceptable values are:
                - `'tf'`: Return TensorFlow `tf.constant` objects.
                - `'pt'`: Return PyTorch `torch.Tensor` objects.
                - `'np'`: Return NumPy `np.ndarray` objects.
                - `'jax'`: Return JAX `jnp.ndarray` objects.
        Returns:
            [`BatchFeature`]: A [`BatchFeature`] with the following fields:
            - **input_ids** -- List of token ids to be fed to a model.
            - **attention_mask** -- List of indices specifying which tokens should be attended to by the model (when
              `return_attention_mask=True` or if *"attention_mask"* is in `self.model_input_names` and if `text` is not
              `None`).
            - **pixel_values** -- Pixel values to be fed to a model. Returned when `images` is not `None`.
        """
        return self.__call__(images=images, **kwargs)

    def process_queries(
        self,
        text: Union[TextInput, list[TextInput]],
        **kwargs: Unpack[ColPaliProcessorKwargs],
    ) -> BatchFeature:
        """
        Prepare for the model one or several texts. This method is a wrapper around the `__call__` method of the ColPaliProcessor's
        [`ColPaliProcessor.__call__`].
        This method forwards the `text` and `kwargs` arguments to the tokenizer.
        Args:
            text (`str`, `list[str]`, `list[list[str]]`):
                The sequence or batch of sequences to be encoded. Each sequence can be a string or a list of strings
                (pretokenized string). If the sequences are provided as list of strings (pretokenized), you must set
                `is_split_into_words=True` (to lift the ambiguity with a batch of sequences).
            return_tensors (`str` or [`~utils.TensorType`], *optional*):
                If set, will return tensors of a particular framework. Acceptable values are:
                - `'tf'`: Return TensorFlow `tf.constant` objects.
                - `'pt'`: Return PyTorch `torch.Tensor` objects.
                - `'np'`: Return NumPy `np.ndarray` objects.
                - `'jax'`: Return JAX `jnp.ndarray` objects.
        Returns:
            [`BatchFeature`]: A [`BatchFeature`] with the following fields:
            - **input_ids** -- List of token ids to be fed to a model.
            - **attention_mask** -- List of indices specifying which tokens should be attended to by the model (when
              `return_attention_mask=True` or if *"attention_mask"* is in `self.model_input_names` and if `text` is not
              `None`).
        """
        return self.__call__(text=text, **kwargs)

    def score_retrieval(
        self,
        query_embeddings: Union["torch.Tensor", list["torch.Tensor"]],
        passage_embeddings: Union["torch.Tensor", list["torch.Tensor"]],
        batch_size: int = 128,
        output_dtype: Optional["torch.dtype"] = None,
        output_device: Union["torch.device", str] = "cpu",
    ) -> "torch.Tensor":
        """
        Compute the late-interaction/MaxSim score (ColBERT-like) for the given multi-vector
        query embeddings (`qs`) and passage embeddings (`ps`). For ColPali, a passage is the
        image of a document page.
        Because the embedding tensors are multi-vector and can thus have different shapes, they
        should be fed as:
        (1) a list of tensors, where the i-th tensor is of shape (sequence_length_i, embedding_dim)
        (2) a single tensor of shape (n_passages, max_sequence_length, embedding_dim) -> usually
            obtained by padding the list of tensors.
        Args:
            query_embeddings (`Union[torch.Tensor, list[torch.Tensor]`): Query embeddings.
            passage_embeddings (`Union[torch.Tensor, list[torch.Tensor]`): Passage embeddings.
            batch_size (`int`, *optional*, defaults to 128): Batch size for computing scores.
            output_dtype (`torch.dtype`, *optional*, defaults to `torch.float32`): The dtype of the output tensor.
                If `None`, the dtype of the input embeddings is used.
            output_device (`torch.device` or `str`, *optional*, defaults to "cpu"): The device of the output tensor.
        Returns:
            `torch.Tensor`: A tensor of shape `(n_queries, n_passages)` containing the scores. The score
            tensor is saved on the "cpu" device.
        """

        if len(query_embeddings) == 0:
            raise ValueError("No queries provided")
        if len(passage_embeddings) == 0:
            raise ValueError("No passages provided")

        if query_embeddings[0].device != passage_embeddings[0].device:
            raise ValueError("Queries and passages must be on the same device")

        if query_embeddings[0].dtype != passage_embeddings[0].dtype:
            raise ValueError("Queries and passages must have the same dtype")

        if output_dtype is None:
            output_dtype = query_embeddings[0].dtype

        scores: list[torch.Tensor] = []

        for i in range(0, len(query_embeddings), batch_size):
            batch_scores: list[torch.Tensor] = []
            batch_queries = torch.nn.utils.rnn.pad_sequence(
                query_embeddings[i : i + batch_size], batch_first=True, padding_value=0
            )
            for j in range(0, len(passage_embeddings), batch_size):
                batch_passages = torch.nn.utils.rnn.pad_sequence(
                    passage_embeddings[j : j + batch_size], batch_first=True, padding_value=0
                )
                batch_scores.append(
                    torch.einsum("bnd,csd->bcns", batch_queries, batch_passages).max(dim=3)[0].sum(dim=2)
                )
            scores.append(torch.cat(batch_scores, dim=1).to(output_dtype).to(output_device))

        return torch.cat(scores, dim=0)


__all__ = ["ColPaliProcessor"]

	# 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
	# This file was automatically generated from src/transformers/models/colpali/modular_colpali.py.
	# Do NOT edit this file manually as any edits will be overwritten by the generation of
	# the file from the modular. If any change should be done, please apply the change to the
	# modular_colpali.py file directly. One of our CI enforces this.
	# 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
	# coding=utf-8
	# Copyright 2024 The HuggingFace Inc. team.
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.


	from typing import Optional, Union

	from ...feature_extraction_utils import BatchFeature
	from ...image_utils import ImageInput, make_flat_list_of_images
	from ...processing_utils import MultiModalData, ProcessingKwargs, ProcessorMixin, Unpack
	from ...tokenization_utils_base import AddedToken, PreTokenizedInput, TextInput
	from ...utils import is_torch_available


	if is_torch_available():
	import torch


	class ColPaliProcessorKwargs(ProcessingKwargs, total=False):
	_defaults = {
	"text_kwargs": {
	"padding": "longest",
	},
	"images_kwargs": {
	"data_format": "channels_first",
	"do_convert_rgb": True,
	},
	"common_kwargs": {"return_tensors": "pt"},
	}


	IMAGE_TOKEN = "<image>"
	EXTRA_TOKENS = [f"<loc{i:0>4}>" for i in range(1024)] + [f"<seg{i:0>3}>" for i in range(128)]


	def build_string_from_input(prompt, bos_token, image_seq_len, image_token, num_images):
	"""
	Builds a string from the input prompt and image tokens.
	For example, for the call:
	build_string_from_input(
	prompt="Prefix str"
	bos_token="<s>",
	image_seq_len=3,
	image_token="<im>",
	)
	The output will be:
	"<im><im><im><s>Initial str"
	Args:
	prompt (`list[Union[str, ImageInput]]`): The input prompt.
	bos_token (`str`): The beginning of sentence token.
	image_seq_len (`int`): The length of the image sequence.
	image_token (`str`): The image token.
	num_images (`int`): Number of images in the prompt.
	"""
	return f"{image_token * image_seq_len * num_images}{bos_token}{prompt}\n"


	class ColPaliProcessor(ProcessorMixin):
	r"""
	Constructs a ColPali processor which wraps a PaliGemmaProcessor and special methods to process images and queries, as
	well as to compute the late-interaction retrieval score.

	[`ColPaliProcessor`] offers all the functionalities of [`PaliGemmaProcessor`]. See the [`~PaliGemmaProcessor.__call__`]
	for more information.

	Args:
	image_processor ([`SiglipImageProcessor`], optional):
	The image processor is a required input.
	tokenizer ([`LlamaTokenizerFast`], optional):
	The tokenizer is a required input.
	chat_template (`str`, optional): A Jinja template which will be used to convert lists of messages
	in a chat into a tokenizable string.
	visual_prompt_prefix (`str`, optional, defaults to `"Describe the image."`):
	A string that gets tokenized and prepended to the image tokens.
	query_prefix (`str`, optional, defaults to `"Question: "`):
	A prefix to be used for the query.
	"""

	attributes = ["image_processor", "tokenizer"]
	image_processor_class = ("SiglipImageProcessor", "SiglipImageProcessorFast")
	tokenizer_class = ("GemmaTokenizer", "GemmaTokenizerFast")

	def __init__(
	self,
	image_processor=None,
	tokenizer=None,
	chat_template=None,
	visual_prompt_prefix: str = "Describe the image.",
	query_prefix: str = "Question: ",
	):
	super().__init__(image_processor, tokenizer, chat_template=chat_template)
	if not hasattr(image_processor, "image_seq_length"):
	raise ValueError("Image processor is missing an `image_seq_length` attribute.")

	self.image_seq_length = image_processor.image_seq_length

	if not hasattr(tokenizer, "image_token"):
	image_token = AddedToken(IMAGE_TOKEN, normalized=False, special=True)
	tokens_to_add = {"additional_special_tokens": [image_token]}
	tokenizer.add_special_tokens(tokens_to_add)
	self.image_token_id = tokenizer.convert_tokens_to_ids(IMAGE_TOKEN)
	self.image_token = IMAGE_TOKEN
	else:
	self.image_token_id = tokenizer.image_token_id
	self.image_token = tokenizer.image_token

	tokenizer.add_tokens(EXTRA_TOKENS)
	tokenizer.add_bos_token = False
	tokenizer.add_eos_token = False
	self.visual_prompt_prefix = visual_prompt_prefix
	self.query_prefix = query_prefix

	def __call__(
	self,
	images: Optional[ImageInput] = None,
	text: Union[TextInput, PreTokenizedInput, list[TextInput], list[PreTokenizedInput]] = None,
	audio=None,
	videos=None,
	**kwargs: Unpack[ColPaliProcessorKwargs],
	) -> BatchFeature:
	"""
	Main method to prepare for the model either (1) one or several texts, either (2) one or several image(s). This method is a custom
	wrapper around the PaliGemmaProcessor's [`~PaliGemmaProcessor.__call__`] method adapted for the ColPali model. It cannot process
	both text and images at the same time.

	When preparing the text(s), this method forwards the `text` and `kwargs` arguments to LlamaTokenizerFast's
	[`~LlamaTokenizerFast.__call__`].
	When preparing the image(s), this method forwards the `images` and `kwargs` arguments to SiglipImageProcessor's
	[`~SiglipImageProcessor.__call__`].
	Please refer to the docstring of the above two methods for more information.

	Args:
	images (`PIL.Image.Image`, `np.ndarray`, `torch.Tensor`, `list[PIL.Image.Image]`, `list[np.ndarray]`, `list[torch.Tensor]`):
	The image or batch of images to be prepared. Each image can be a PIL image, NumPy array or PyTorch
	tensor. In case of a NumPy array/PyTorch tensor, each image should be of shape (C, H, W), where C is a
	number of channels, H and W are image height and width.
	text (`str`, `list[str]`, `list[list[str]]`):
	The sequence or batch of sequences to be encoded. Each sequence can be a string or a list of strings
	(pretokenized string). If the sequences are provided as list of strings (pretokenized), you must set
	`is_split_into_words=True` (to lift the ambiguity with a batch of sequences).
	return_tensors (`str` or [`~utils.TensorType`], optional):
	If set, will return tensors of a particular framework. Acceptable values are:

	- `'tf'`: Return TensorFlow `tf.constant` objects.
	- `'pt'`: Return PyTorch `torch.Tensor` objects.
	- `'np'`: Return NumPy `np.ndarray` objects.
	- `'jax'`: Return JAX `jnp.ndarray` objects.

	Returns:
	[`BatchFeature`]: A [`BatchFeature`] with the following fields:

	- input_ids -- List of token ids to be fed to a model.
	- attention_mask -- List of indices specifying which tokens should be attended to by the model (when
	`return_attention_mask=True` or if "attention_mask" is in `self.model_input_names` and if `text` is not
	`None`).
	- pixel_values -- Pixel values to be fed to a model. Returned when `images` is not `None`.
	"""
	output_kwargs = self._merge_kwargs(
	ColPaliProcessorKwargs,
	tokenizer_init_kwargs=self.tokenizer.init_kwargs,
	**kwargs,
	)
	suffix = output_kwargs["text_kwargs"].pop("suffix", None)

	return_token_type_ids = suffix is not None

	if text is None and images is None:
	raise ValueError("Either text or images must be provided")
	if text is not None and images is not None:
	raise ValueError("Only one of text or images can be processed at a time")

	if images is not None:
	images = self.image_processor.fetch_images(images)
	images = make_flat_list_of_images(images)
	texts_doc = [self.visual_prompt_prefix] * len(images)
	images = [image.convert("RGB") for image in images]

	input_strings = [
	build_string_from_input(
	prompt=prompt,
	bos_token=self.tokenizer.bos_token,
	image_seq_len=self.image_seq_length,
	image_token=IMAGE_TOKEN,
	num_images=len(image_list) if isinstance(image_list, list) else 1,
	)
	for prompt, image_list in zip(texts_doc, images)
	]
	pixel_values = self.image_processor(images, **output_kwargs["images_kwargs"])["pixel_values"]

	# max_length has to account for the image tokens
	if output_kwargs["text_kwargs"].get("max_length", None) is not None:
	output_kwargs["text_kwargs"]["max_length"] += self.image_seq_length

	inputs = self.tokenizer(
	input_strings,
	return_token_type_ids=False,
	**output_kwargs["text_kwargs"],
	)

	return_data = {**inputs, "pixel_values": pixel_values}

	if return_token_type_ids:
	labels = inputs["input_ids"].masked_fill(inputs["token_type_ids"] == 0, -100)
	return_data.update({"labels": labels})

	return BatchFeature(data=return_data)

	elif text is not None:
	if isinstance(text, str):
	text = [text]
	elif not (isinstance(text, list) and isinstance(text[0], str)):
	raise ValueError("Text must be a string or a list of strings")

	if suffix is None:
	suffix = self.query_augmentation_token * 10

	texts_query: list[str] = []
	for query in text:
	query = self.tokenizer.bos_token + self.query_prefix + query + suffix + "\n"
	texts_query.append(query)

	output_kwargs["text_kwargs"]["max_length"] = output_kwargs["text_kwargs"].get("max_length", 50)

	batch_query = self.tokenizer(
	texts_query,
	return_token_type_ids=False,
	**output_kwargs["text_kwargs"],
	)

	return batch_query

	def _get_num_multimodal_tokens(self, image_sizes=None, **kwargs):
	"""
	Computes the number of placeholder tokens needed for multimodal inputs with the given sizes.

	Args:
	image_sizes (list[list[str]], optional):
	The input sizes formatted as (height, width) per each image.
	Returns:
	`MultiModalData`: A `MultiModalData` object holding number of tokens per each of the provided
	input modalities, along with other useful data.
	"""
	vision_data = {}
	if image_sizes is not None:
	num_image_tokens = [self.image_seq_length] * len(image_sizes)
	num_image_patches = [1] * len(image_sizes)
	vision_data.update({"num_image_tokens": num_image_tokens, "num_image_patches": num_image_patches})
	return MultiModalData(**vision_data)

	@property
	def query_augmentation_token(self) -> str:
	"""
	Return the query augmentation token.

	Query augmentation buffers are used as reasoning buffers during inference.
	"""
	return self.tokenizer.pad_token

	def process_images(
	self,
	images: Optional[ImageInput] = None,
	**kwargs: Unpack[ColPaliProcessorKwargs],
	) -> BatchFeature:
	"""
	Prepare for the model one or several image(s). This method is a wrapper around the `__call__` method of the ColPaliProcessor's
	[`ColPaliProcessor.__call__`].

	This method forwards the `images` and `kwargs` arguments to the image processor.

	Args:
	images (`PIL.Image.Image`, `np.ndarray`, `torch.Tensor`, `list[PIL.Image.Image]`, `list[np.ndarray]`, `list[torch.Tensor]`):
	The image or batch of images to be prepared. Each image can be a PIL image, NumPy array or PyTorch
	tensor. In case of a NumPy array/PyTorch tensor, each image should be of shape (C, H, W), where C is a
	number of channels, H and W are image height and width.
	return_tensors (`str` or [`~utils.TensorType`], optional):
	If set, will return tensors of a particular framework. Acceptable values are:

	- `'tf'`: Return TensorFlow `tf.constant` objects.
	- `'pt'`: Return PyTorch `torch.Tensor` objects.
	- `'np'`: Return NumPy `np.ndarray` objects.
	- `'jax'`: Return JAX `jnp.ndarray` objects.

	Returns:
	[`BatchFeature`]: A [`BatchFeature`] with the following fields:

	- input_ids -- List of token ids to be fed to a model.
	- attention_mask -- List of indices specifying which tokens should be attended to by the model (when
	`return_attention_mask=True` or if "attention_mask" is in `self.model_input_names` and if `text` is not
	`None`).
	- pixel_values -- Pixel values to be fed to a model. Returned when `images` is not `None`.
	"""
	return self.__call__(images=images, **kwargs)

	def process_queries(
	self,
	text: Union[TextInput, list[TextInput]],
	**kwargs: Unpack[ColPaliProcessorKwargs],
	) -> BatchFeature:
	"""
	Prepare for the model one or several texts. This method is a wrapper around the `__call__` method of the ColPaliProcessor's
	[`ColPaliProcessor.__call__`].

	This method forwards the `text` and `kwargs` arguments to the tokenizer.

	Args:
	text (`str`, `list[str]`, `list[list[str]]`):
	The sequence or batch of sequences to be encoded. Each sequence can be a string or a list of strings
	(pretokenized string). If the sequences are provided as list of strings (pretokenized), you must set
	`is_split_into_words=True` (to lift the ambiguity with a batch of sequences).
	return_tensors (`str` or [`~utils.TensorType`], optional):
	If set, will return tensors of a particular framework. Acceptable values are:

	- `'tf'`: Return TensorFlow `tf.constant` objects.
	- `'pt'`: Return PyTorch `torch.Tensor` objects.
	- `'np'`: Return NumPy `np.ndarray` objects.
	- `'jax'`: Return JAX `jnp.ndarray` objects.

	Returns:
	[`BatchFeature`]: A [`BatchFeature`] with the following fields:

	- input_ids -- List of token ids to be fed to a model.
	- attention_mask -- List of indices specifying which tokens should be attended to by the model (when
	`return_attention_mask=True` or if "attention_mask" is in `self.model_input_names` and if `text` is not
	`None`).
	"""
	return self.__call__(text=text, **kwargs)

	def score_retrieval(
	self,
	query_embeddings: Union["torch.Tensor", list["torch.Tensor"]],
	passage_embeddings: Union["torch.Tensor", list["torch.Tensor"]],
	batch_size: int = 128,
	output_dtype: Optional["torch.dtype"] = None,
	output_device: Union["torch.device", str] = "cpu",
	) -> "torch.Tensor":
	"""
	Compute the late-interaction/MaxSim score (ColBERT-like) for the given multi-vector
	query embeddings (`qs`) and passage embeddings (`ps`). For ColPali, a passage is the
	image of a document page.

	Because the embedding tensors are multi-vector and can thus have different shapes, they
	should be fed as:
	(1) a list of tensors, where the i-th tensor is of shape (sequence_length_i, embedding_dim)
	(2) a single tensor of shape (n_passages, max_sequence_length, embedding_dim) -> usually
	obtained by padding the list of tensors.

	Args:
	query_embeddings (`Union[torch.Tensor, list[torch.Tensor]`): Query embeddings.
	passage_embeddings (`Union[torch.Tensor, list[torch.Tensor]`): Passage embeddings.
	batch_size (`int`, optional, defaults to 128): Batch size for computing scores.
	output_dtype (`torch.dtype`, optional, defaults to `torch.float32`): The dtype of the output tensor.
	If `None`, the dtype of the input embeddings is used.
	output_device (`torch.device` or `str`, optional, defaults to "cpu"): The device of the output tensor.

	Returns:
	`torch.Tensor`: A tensor of shape `(n_queries, n_passages)` containing the scores. The score
	tensor is saved on the "cpu" device.
	"""

	if len(query_embeddings) == 0:
	raise ValueError("No queries provided")
	if len(passage_embeddings) == 0:
	raise ValueError("No passages provided")

	if query_embeddings[0].device != passage_embeddings[0].device:
	raise ValueError("Queries and passages must be on the same device")

	if query_embeddings[0].dtype != passage_embeddings[0].dtype:
	raise ValueError("Queries and passages must have the same dtype")

	if output_dtype is None:
	output_dtype = query_embeddings[0].dtype

	scores: list[torch.Tensor] = []

	for i in range(0, len(query_embeddings), batch_size):
	batch_scores: list[torch.Tensor] = []
	batch_queries = torch.nn.utils.rnn.pad_sequence(
	query_embeddings[i : i + batch_size], batch_first=True, padding_value=0
	)
	for j in range(0, len(passage_embeddings), batch_size):
	batch_passages = torch.nn.utils.rnn.pad_sequence(
	passage_embeddings[j : j + batch_size], batch_first=True, padding_value=0
	)
	batch_scores.append(
	torch.einsum("bnd,csd->bcns", batch_queries, batch_passages).max(dim=3)[0].sum(dim=2)
	)
	scores.append(torch.cat(batch_scores, dim=1).to(output_dtype).to(output_device))

	return torch.cat(scores, dim=0)


	__all__ = ["ColPaliProcessor"]