


from typing import Dict, List, Optional, Union

import numpy as np

from ...image_processing_utils import BaseImageProcessor, BatchFeature, get_size_dict
from ...image_transforms import convert_to_rgb, normalize, rescale, resize, to_channel_dimension_format
from ...image_utils import (
    OPENAI_CLIP_MEAN,
    OPENAI_CLIP_STD,
    ChannelDimension,
    ImageInput,
    PILImageResampling,
    make_list_of_images,
    to_numpy_array,
    valid_images,
)
from ...utils import TensorType, is_vision_available, logging


if is_vision_available():
    import PIL


__snake_case   							=						logging.get_logger(__name__)



class 	__lowerCamelCase			(_a						):
       _lowercase											=     ["""pixel_values"""]







       def __init__(			self: Union[str, Any],A_: bool = True,A_: Dict[str, int] = None,A_: PILImageResampling = PILImageResampling.BICUBIC,A_: bool = True,A_: Union[int, float] = 1 / 255,A_: bool = True,A_: Optional[Union[float, List[float]]] = None,A_: Optional[Union[float, List[float]]] = None,A_: bool = True,**A_: List[str],):






            '''simple docstring'''




            super().__init__(**A_					)
            __UpperCamelCase =			size if size is not None else {'height': 384, 'width': 384}
            __UpperCamelCase =			get_size_dict(A_,default_to_square=A_					)

            __UpperCamelCase =			do_resize
            __UpperCamelCase =			size
            __UpperCamelCase =			resample
            __UpperCamelCase =			do_rescale
            __UpperCamelCase =			rescale_factor
            __UpperCamelCase =			do_normalize
            __UpperCamelCase =			image_mean if image_mean is not None else OPENAI_CLIP_MEAN
            __UpperCamelCase =			image_std if image_std is not None else OPENAI_CLIP_STD
            __UpperCamelCase =			do_convert_rgb







       def 		snake_case_	(			self: Union[str, Any],A_: np.ndarray,A_: Dict[str, int],A_: PILImageResampling = PILImageResampling.BICUBIC,A_: Optional[Union[str, ChannelDimension]] = None,**A_: Union[str, Any],):






            '''simple docstring'''




            __UpperCamelCase =			get_size_dict(A_,default_to_square=A_					)
            if "height" not in size or "width" not in size:
                 raise ValueError(F'''The `size` dictionary must contain the keys `height` and `width`. Got {size.keys()}'''					)
            __UpperCamelCase =			(size['height'], size['width'])
            return resize(A_,size=A_,resample=A_,data_format=A_,**A_					)







       def 		snake_case_	(			self: Optional[Any],A_: np.ndarray,A_: Union[int, float],A_: Optional[Union[str, ChannelDimension]] = None,**A_: Union[str, Any],):






            '''simple docstring'''




            return rescale(A_,scale=A_,data_format=A_,**A_					)







       def 		snake_case_	(			self: Tuple,A_: np.ndarray,A_: Union[float, List[float]],A_: Union[float, List[float]],A_: Optional[Union[str, ChannelDimension]] = None,**A_: Dict,):






            '''simple docstring'''




            return normalize(A_,mean=A_,std=A_,data_format=A_,**A_					)







       def 		snake_case_	(			self: Optional[Any],A_: ImageInput,A_: Optional[bool] = None,A_: Optional[Dict[str, int]] = None,A_: PILImageResampling = None,A_: Optional[bool] = None,A_: Optional[float] = None,A_: Optional[bool] = None,A_: Optional[Union[float, List[float]]] = None,A_: Optional[Union[float, List[float]]] = None,A_: Optional[Union[str, TensorType]] = None,A_: bool = None,A_: ChannelDimension = ChannelDimension.FIRST,**A_: Tuple,):






            '''simple docstring'''




            __UpperCamelCase =			do_resize if do_resize is not None else self.do_resize
            __UpperCamelCase =			resample if resample is not None else self.resample
            __UpperCamelCase =			do_rescale if do_rescale is not None else self.do_rescale
            __UpperCamelCase =			rescale_factor if rescale_factor is not None else self.rescale_factor
            __UpperCamelCase =			do_normalize if do_normalize is not None else self.do_normalize
            __UpperCamelCase =			image_mean if image_mean is not None else self.image_mean
            __UpperCamelCase =			image_std if image_std is not None else self.image_std
            __UpperCamelCase =			do_convert_rgb if do_convert_rgb is not None else self.do_convert_rgb

            __UpperCamelCase =			size if size is not None else self.size
            __UpperCamelCase =			get_size_dict(A_,default_to_square=A_					)

            __UpperCamelCase =			make_list_of_images(A_					)

            if not valid_images(A_					):
                 raise ValueError(
                     'Invalid image type. Must be of type PIL.Image.Image, numpy.ndarray, '
                     'torch.Tensor, tf.Tensor or jax.ndarray.'					)

            if do_resize and size is None or resample is None:
                 raise ValueError('Size and resample must be specified if do_resize is True.'					)

            if do_rescale and rescale_factor is None:
                 raise ValueError('Rescale factor must be specified if do_rescale is True.'					)

            if do_normalize and (image_mean is None or image_std is None):
                 raise ValueError('Image mean and std must be specified if do_normalize is True.'					)

            # PIL RGBA images are converted to RGB
            if do_convert_rgb:
                 __UpperCamelCase =			[convert_to_rgb(A_					) for image in images]

            # All transformations expect numpy arrays.
            __UpperCamelCase =			[to_numpy_array(A_					) for image in images]

            if do_resize:
                 __UpperCamelCase =			[self.resize(image=A_,size=A_,resample=A_					) for image in images]

            if do_rescale:
                 __UpperCamelCase =			[self.rescale(image=A_,scale=A_					) for image in images]

            if do_normalize:
                 __UpperCamelCase =			[self.normalize(image=A_,mean=A_,std=A_					) for image in images]

            __UpperCamelCase =			[to_channel_dimension_format(A_,A_					) for image in images]

            __UpperCamelCase =			BatchFeature(data={'pixel_values': images},tensor_type=A_					)

            return encoded_outputs






from transformers import BertTokenizer, EncoderDecoderModel, SeqaSeqTrainer, SeqaSeqTrainingArguments
from transformers.testing_utils import TestCasePlus, require_torch, slow
from transformers.utils import is_datasets_available


if is_datasets_available():
    import datasets



class 	__lowerCamelCase			(_a						):







       @slow
       @require_torch
       def 		snake_case_	(			self: Union[str, Any]					):






            '''simple docstring'''




            __UpperCamelCase =			EncoderDecoderModel.from_encoder_decoder_pretrained('prajjwal1/bert-tiny','prajjwal1/bert-tiny'					)
            __UpperCamelCase =			BertTokenizer.from_pretrained('bert-base-uncased'					)

            __UpperCamelCase =			bertabert.config.encoder.vocab_size
            __UpperCamelCase =			tokenizer.sep_token_id
            __UpperCamelCase =			tokenizer.cls_token_id
            __UpperCamelCase =			128

            __UpperCamelCase =			datasets.load_dataset('cnn_dailymail','3.0.0',split='train[:1%]'					)
            __UpperCamelCase =			datasets.load_dataset('cnn_dailymail','3.0.0',split='validation[:1%]'					)

            __UpperCamelCase =			train_dataset.select(range(32					)					)
            __UpperCamelCase =			val_dataset.select(range(16					)					)

            __UpperCamelCase =			4

            def _map_to_encoder_decoder_inputs(A_: Dict					):
                 # Tokenizer will automatically set [BOS] <text> [EOS]
                 __UpperCamelCase =			tokenizer(batch['article'],padding='max_length',truncation=A_,max_length=512					)
                 __UpperCamelCase =			tokenizer(batch['highlights'],padding='max_length',truncation=A_,max_length=128					)
                 __UpperCamelCase =			inputs.input_ids
                 __UpperCamelCase =			inputs.attention_mask

                 __UpperCamelCase =			outputs.input_ids
                 __UpperCamelCase =			outputs.input_ids.copy()
                 __UpperCamelCase =			[
                     [-100 if token == tokenizer.pad_token_id else token for token in labels] for labels in batch['labels']
                 ]
                 __UpperCamelCase =			outputs.attention_mask

                 assert all(len(A_					) == 512 for x in inputs.input_ids					)
                 assert all(len(A_					) == 128 for x in outputs.input_ids					)

                 return batch

            def _compute_metrics(A_: str					):
                 __UpperCamelCase =			pred.label_ids
                 __UpperCamelCase =			pred.predictions

                 # all unnecessary tokens are removed
                 __UpperCamelCase =			tokenizer.batch_decode(A_,skip_special_tokens=A_					)
                 __UpperCamelCase =			tokenizer.batch_decode(A_,skip_special_tokens=A_					)

                 __UpperCamelCase =			sum([int(pred_str[i] == label_str[i]					) for i in range(len(A_					)					)]					) / len(A_					)

                 return {"accuracy": accuracy}

            # map train dataset
            __UpperCamelCase =			train_dataset.map(
                _map_to_encoder_decoder_inputs,batched=A_,batch_size=A_,remove_columns=['article', 'highlights'],)
            train_dataset.set_format(
                type='torch',columns=['input_ids', 'attention_mask', 'decoder_input_ids', 'decoder_attention_mask', 'labels'],)

            # same for validation dataset
            __UpperCamelCase =			val_dataset.map(
                _map_to_encoder_decoder_inputs,batched=A_,batch_size=A_,remove_columns=['article', 'highlights'],)
            val_dataset.set_format(
                type='torch',columns=['input_ids', 'attention_mask', 'decoder_input_ids', 'decoder_attention_mask', 'labels'],)

            __UpperCamelCase =			self.get_auto_remove_tmp_dir()

            __UpperCamelCase =			SeqaSeqTrainingArguments(
                output_dir=A_,per_device_train_batch_size=A_,per_device_eval_batch_size=A_,predict_with_generate=A_,evaluation_strategy='steps',do_train=A_,do_eval=A_,warmup_steps=0,eval_steps=2,logging_steps=2,)

            # instantiate trainer
            __UpperCamelCase =			SeqaSeqTrainer(
                model=A_,args=A_,compute_metrics=_compute_metrics,train_dataset=A_,eval_dataset=A_,tokenizer=A_,)

            # start training
            trainer.train()


