



'''simple docstring'''





def snake_case__  (			__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE )		->							int:
		if index == number_of_items:
				return 0
		UpperCAmelCase_						=				0
		UpperCAmelCase_						=				0
		UpperCAmelCase_						=				knapsack(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     index + 1 )
		if weights[index] <= max_weight:
				UpperCAmelCase_						=				values[index] + knapsack(
				    __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     max_weight - weights[index]			,     index + 1 )
		return max(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE )


if __name__ == "__main__":
			import doctest

			doctest.testmod()






from typing import List, Union

from ..utils import (
    add_end_docstrings,
    is_tf_available,
    is_torch_available,
    is_vision_available,
    logging,
    requires_backends,
)
from .base import PIPELINE_INIT_ARGS, Pipeline


if is_vision_available():
			from PIL import Image

			from ..image_utils import load_image

if is_tf_available():
			from ..models.auto.modeling_tf_auto import TF_MODEL_FOR_VISION_2_SEQ_MAPPING

if is_torch_available():
			import torch

			from ..models.auto.modeling_auto import MODEL_FOR_VISION_2_SEQ_MAPPING

SCREAMING_SNAKE_CASE     				=						logging.get_logger(__name__)



@add_end_docstrings(lowercase__  )
class 	lowerCamelCase      (						lowercase__  ):







					'''simple docstring'''







					def __init__(			self    ,	*lowerCAmelCase    ,	**lowerCAmelCase     ):
							super().__init__(*lowerCAmelCase    ,	**lowerCAmelCase     )
							requires_backends(self    ,	"vision"     )
							self.check_model_type(
							    TF_MODEL_FOR_VISION_2_SEQ_MAPPING if self.framework == "tf" else MODEL_FOR_VISION_2_SEQ_MAPPING     )



					def    A__		(			self    ,	lowerCAmelCase=None    ,	lowerCAmelCase=None    ,	lowerCAmelCase=None     ):
							UpperCAmelCase_						=				{}
							UpperCAmelCase_						=				{}

							if prompt is not None:
									UpperCAmelCase_						=				prompt

							if generate_kwargs is not None:
									UpperCAmelCase_						=				generate_kwargs
							if max_new_tokens is not None:
									if "generate_kwargs" not in forward_kwargs:
											UpperCAmelCase_						=				{}
									if "max_new_tokens" in forward_kwargs["generate_kwargs"]:
											raise ValueError(
											    "'max_new_tokens' is defined twice, once in 'generate_kwargs' and once as a direct parameter,"
											    " please use only one"     )
									UpperCAmelCase_						=				max_new_tokens
							return preprocess_params, forward_kwargs, {}



					def __call__(			self    ,	lowerCAmelCase    ,	**lowerCAmelCase     ):
							return super().__call__(lowerCAmelCase    ,	**lowerCAmelCase     )



					def    A__		(			self    ,	lowerCAmelCase    ,	lowerCAmelCase=None     ):
							UpperCAmelCase_						=				load_image(lowerCAmelCase     )

							if prompt is not None:
									if not isinstance(lowerCAmelCase    ,	lowerCAmelCase     ):
											raise ValueError(
											    f'''Received an invalid text input, got - {type(lowerCAmelCase     )} - but expected a single string. '''
											    "Note also that one single text can be provided for conditional image to text generation."     )

									UpperCAmelCase_						=				self.model.config.model_type

									if model_type == "git":
											UpperCAmelCase_						=				self.image_processor(images=lowerCAmelCase    ,	return_tensors=self.framework     )
											UpperCAmelCase_						=				self.tokenizer(text=lowerCAmelCase    ,	add_special_tokens=lowerCAmelCase     ).input_ids
											UpperCAmelCase_						=				[self.tokenizer.cls_token_id] + input_ids
											UpperCAmelCase_						=				torch.tensor(lowerCAmelCase     ).unsqueeze(0     )
											model_inputs.update({"input_ids": input_ids}     )

									elif model_type == "pix2struct":
											UpperCAmelCase_						=				self.image_processor(images=lowerCAmelCase    ,	header_text=lowerCAmelCase    ,	return_tensors=self.framework     )

									elif model_type != "vision-encoder-decoder":
											# vision-encoder-decoder does not support conditional generation
											UpperCAmelCase_						=				self.image_processor(images=lowerCAmelCase    ,	return_tensors=self.framework     )
											UpperCAmelCase_						=				self.tokenizer(lowerCAmelCase    ,	return_tensors=self.framework     )
											model_inputs.update(lowerCAmelCase     )

									else:
											raise ValueError(f'''Model type {model_type} does not support conditional text generation'''     )

							else:
									UpperCAmelCase_						=				self.image_processor(images=lowerCAmelCase    ,	return_tensors=self.framework     )

							if self.model.config.model_type == "git" and prompt is None:
									UpperCAmelCase_						=				None

							return model_inputs



					def    A__		(			self    ,	lowerCAmelCase    ,	lowerCAmelCase=None     ):
							# Git model sets `model_inputs["input_ids"] = None` in `preprocess` (when `prompt=None`). In batch model, the
							# pipeline will group them into a list of `None`, which fail `_forward`. Avoid this by checking it first.
							if (
							    "input_ids" in model_inputs
							    and isinstance(model_inputs["input_ids"]    ,	lowerCAmelCase     )
							    and all(x is None for x in model_inputs["input_ids"]     )
							):
									UpperCAmelCase_						=				None

							if generate_kwargs is None:
									UpperCAmelCase_						=				{}
							# FIXME: We need to pop here due to a difference in how `generation.py` and `generation.tf_utils.py`
							#  parse inputs. In the Tensorflow version, `generate` raises an error if we don't use `input_ids` whereas
							#  the PyTorch version matches it with `self.model.main_input_name` or `self.model.encoder.main_input_name`
							#  in the `_prepare_model_inputs` method.
							UpperCAmelCase_						=				model_inputs.pop(self.model.main_input_name     )
							UpperCAmelCase_						=				self.model.generate(lowerCAmelCase    ,	**lowerCAmelCase    ,	**lowerCAmelCase     )
							return model_outputs



					def    A__		(			self    ,	lowerCAmelCase     ):
							UpperCAmelCase_						=				[]
							for output_ids in model_outputs:
									UpperCAmelCase_						=				{
									    "generated_text": self.tokenizer.decode(
									        lowerCAmelCase    ,	skip_special_tokens=lowerCAmelCase    ,	)
									}
									records.append(lowerCAmelCase     )
							return records

