





import json
import pathlib
import unittest

import numpy as np

from transformers.testing_utils import require_torch, require_vision, slow
from transformers.utils import is_torch_available, is_vision_available

from ...test_image_processing_common import ImageProcessingSavingTestMixin, prepare_image_inputs


if is_torch_available():
					import torch

if is_vision_available():
					from PIL import Image

					from transformers import DeformableDetrImageProcessor


class       __SCREAMING_SNAKE_CASE   (				unittest.TestCase):






						def __init__(		self       ,  _UpperCamelCase       ,  _UpperCamelCase=7       ,  _UpperCamelCase=3       ,  _UpperCamelCase=30       ,  _UpperCamelCase=4_00       ,  _UpperCamelCase=True       ,  _UpperCamelCase=None       ,  _UpperCamelCase=True       ,  _UpperCamelCase=[0.5, 0.5, 0.5]       ,  _UpperCamelCase=[0.5, 0.5, 0.5]       ,  _UpperCamelCase=True       ,  _UpperCamelCase=1 / 2_55       ,  _UpperCamelCase=True       ,  ):






												"""simple docstring"""
												lowerCAmelCase__        =  size if size is not None else {'shortest_edge': 18, 'longest_edge': 13_33}
												lowerCAmelCase__        =  parent
												lowerCAmelCase__        =  batch_size
												lowerCAmelCase__        =  num_channels
												lowerCAmelCase__        =  min_resolution
												lowerCAmelCase__        =  max_resolution
												lowerCAmelCase__        =  do_resize
												lowerCAmelCase__        =  size
												lowerCAmelCase__        =  do_normalize
												lowerCAmelCase__        =  image_mean
												lowerCAmelCase__        =  image_std
												lowerCAmelCase__        =  do_rescale
												lowerCAmelCase__        =  rescale_factor
												lowerCAmelCase__        =  do_pad






						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												return {
												    "do_resize": self.do_resize,
												    "size": self.size,
												    "do_normalize": self.do_normalize,
												    "image_mean": self.image_mean,
												    "image_std": self.image_std,
												    "do_rescale": self.do_rescale,
												    "rescale_factor": self.rescale_factor,
												    "do_pad": self.do_pad,
												}







						def  UpperCamelCase__ (		self       ,  _UpperCamelCase       ,  _UpperCamelCase=False				):






												"""simple docstring"""
												if not batched:
																		lowerCAmelCase__        =  image_inputs[0]
																		if isinstance(_UpperCamelCase       ,  Image.Image				):
																								lowerCAmelCase__  ,    lowerCAmelCase__        =  image.size
																		else:
																								lowerCAmelCase__  ,    lowerCAmelCase__        =  image.shape[1], image.shape[2]
																		if w < h:
																								lowerCAmelCase__        =  int(self.size['shortest_edge'] * h / w				)
																								lowerCAmelCase__        =  self.size['shortest_edge']
																		elif w > h:
																								lowerCAmelCase__        =  self.size['shortest_edge']
																								lowerCAmelCase__        =  int(self.size['shortest_edge'] * w / h				)
																		else:
																								lowerCAmelCase__        =  self.size['shortest_edge']
																								lowerCAmelCase__        =  self.size['shortest_edge']

												else:
																		lowerCAmelCase__        =  []
																		for image in image_inputs:
																								lowerCAmelCase__  ,    lowerCAmelCase__        =  self.get_expected_values([image]				)
																								expected_values.append((expected_height, expected_width)				)
																		lowerCAmelCase__        =  max(_UpperCamelCase       ,  key=lambda _UpperCamelCase				: item[0]				)[0]
																		lowerCAmelCase__        =  max(_UpperCamelCase       ,  key=lambda _UpperCamelCase				: item[1]				)[1]

												return expected_height, expected_width




@require_torch
@require_vision
class       __SCREAMING_SNAKE_CASE   (				__lowercase						,   unittest.TestCase):
						_SCREAMING_SNAKE_CASE		:    Dict						=   DeformableDetrImageProcessor if is_vision_available() else None






						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												lowerCAmelCase__        =  DeformableDetrImageProcessingTester(self				)






						@property
						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												return self.image_processor_tester.prepare_image_processor_dict()






						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												lowerCAmelCase__        =  self.image_processing_class(**self.image_processor_dict				)
												self.assertTrue(hasattr(_UpperCamelCase       ,  'image_mean'				)				)
												self.assertTrue(hasattr(_UpperCamelCase       ,  'image_std'				)				)
												self.assertTrue(hasattr(_UpperCamelCase       ,  'do_normalize'				)				)
												self.assertTrue(hasattr(_UpperCamelCase       ,  'do_resize'				)				)
												self.assertTrue(hasattr(_UpperCamelCase       ,  'do_rescale'				)				)
												self.assertTrue(hasattr(_UpperCamelCase       ,  'do_pad'				)				)
												self.assertTrue(hasattr(_UpperCamelCase       ,  'size'				)				)






						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												lowerCAmelCase__        =  self.image_processing_class.from_dict(self.image_processor_dict				)
												self.assertEqual(image_processor.size       ,  {'shortest_edge': 18, 'longest_edge': 13_33}				)
												self.assertEqual(image_processor.do_pad       ,  _UpperCamelCase				)

												lowerCAmelCase__        =  self.image_processing_class.from_dict(
												    self.image_processor_dict       ,  size=42       ,  max_size=84       ,  pad_and_return_pixel_mask=_UpperCamelCase				)
												self.assertEqual(image_processor.size       ,  {'shortest_edge': 42, 'longest_edge': 84}				)
												self.assertEqual(image_processor.do_pad       ,  _UpperCamelCase				)






						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												pass






						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												lowerCAmelCase__        =  self.image_processing_class(**self.image_processor_dict				)
												# create random PIL images
												lowerCAmelCase__        =  prepare_image_inputs(self.image_processor_tester       ,  equal_resolution=_UpperCamelCase				)
												for image in image_inputs:
																		self.assertIsInstance(_UpperCamelCase       ,  Image.Image				)

												# Test not batched input
												lowerCAmelCase__        =  image_processing(image_inputs[0]       ,  return_tensors='pt'				).pixel_values

												lowerCAmelCase__  ,    lowerCAmelCase__        =  self.image_processor_tester.get_expected_values(_UpperCamelCase				)

												self.assertEqual(
												    encoded_images.shape       ,  (1, self.image_processor_tester.num_channels, expected_height, expected_width)       ,  )

												# Test batched
												lowerCAmelCase__  ,    lowerCAmelCase__        =  self.image_processor_tester.get_expected_values(_UpperCamelCase       ,  batched=_UpperCamelCase				)

												lowerCAmelCase__        =  image_processing(_UpperCamelCase       ,  return_tensors='pt'				).pixel_values
												self.assertEqual(
												    encoded_images.shape       ,  (
												        self.image_processor_tester.batch_size,
												        self.image_processor_tester.num_channels,
												        expected_height,
												        expected_width,
												    )       ,  )






						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												lowerCAmelCase__        =  self.image_processing_class(**self.image_processor_dict				)
												# create random numpy tensors
												lowerCAmelCase__        =  prepare_image_inputs(self.image_processor_tester       ,  equal_resolution=_UpperCamelCase       ,  numpify=_UpperCamelCase				)
												for image in image_inputs:
																		self.assertIsInstance(_UpperCamelCase       ,  np.ndarray				)

												# Test not batched input
												lowerCAmelCase__        =  image_processing(image_inputs[0]       ,  return_tensors='pt'				).pixel_values

												lowerCAmelCase__  ,    lowerCAmelCase__        =  self.image_processor_tester.get_expected_values(_UpperCamelCase				)

												self.assertEqual(
												    encoded_images.shape       ,  (1, self.image_processor_tester.num_channels, expected_height, expected_width)       ,  )

												# Test batched
												lowerCAmelCase__        =  image_processing(_UpperCamelCase       ,  return_tensors='pt'				).pixel_values

												lowerCAmelCase__  ,    lowerCAmelCase__        =  self.image_processor_tester.get_expected_values(_UpperCamelCase       ,  batched=_UpperCamelCase				)

												self.assertEqual(
												    encoded_images.shape       ,  (
												        self.image_processor_tester.batch_size,
												        self.image_processor_tester.num_channels,
												        expected_height,
												        expected_width,
												    )       ,  )






						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												lowerCAmelCase__        =  self.image_processing_class(**self.image_processor_dict				)
												# create random PyTorch tensors
												lowerCAmelCase__        =  prepare_image_inputs(self.image_processor_tester       ,  equal_resolution=_UpperCamelCase       ,  torchify=_UpperCamelCase				)
												for image in image_inputs:
																		self.assertIsInstance(_UpperCamelCase       ,  torch.Tensor				)

												# Test not batched input
												lowerCAmelCase__        =  image_processing(image_inputs[0]       ,  return_tensors='pt'				).pixel_values

												lowerCAmelCase__  ,    lowerCAmelCase__        =  self.image_processor_tester.get_expected_values(_UpperCamelCase				)

												self.assertEqual(
												    encoded_images.shape       ,  (1, self.image_processor_tester.num_channels, expected_height, expected_width)       ,  )

												# Test batched
												lowerCAmelCase__        =  image_processing(_UpperCamelCase       ,  return_tensors='pt'				).pixel_values

												lowerCAmelCase__  ,    lowerCAmelCase__        =  self.image_processor_tester.get_expected_values(_UpperCamelCase       ,  batched=_UpperCamelCase				)

												self.assertEqual(
												    encoded_images.shape       ,  (
												        self.image_processor_tester.batch_size,
												        self.image_processor_tester.num_channels,
												        expected_height,
												        expected_width,
												    )       ,  )






						@slow
						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												lowerCAmelCase__        =  Image.open('./tests/fixtures/tests_samples/COCO/000000039769.png'				)
												with open('./tests/fixtures/tests_samples/COCO/coco_annotations.txt'       ,  'r'				) as f:
																		lowerCAmelCase__        =  json.loads(f.read()				)

												lowerCAmelCase__        =  {'image_id': 3_97_69, 'annotations': target}

												# encode them
												lowerCAmelCase__        =  DeformableDetrImageProcessor()
												lowerCAmelCase__        =  image_processing(images=_UpperCamelCase       ,  annotations=_UpperCamelCase       ,  return_tensors='pt'				)

												# verify pixel values
												lowerCAmelCase__        =  torch.Size([1, 3, 8_00, 10_66]				)
												self.assertEqual(encoding['pixel_values'].shape       ,  _UpperCamelCase				)

												lowerCAmelCase__        =  torch.tensor([0.27_96, 0.31_38, 0.34_81]				)
												self.assertTrue(torch.allclose(encoding['pixel_values'][0, 0, 0, :3]       ,  _UpperCamelCase       ,  atol=1E-4				)				)

												# verify area
												lowerCAmelCase__        =  torch.tensor([58_87.96_00, 1_12_50.20_61, 48_93_53.84_38, 83_71_22.75_00, 14_79_67.51_56, 16_57_32.34_38]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['area']       ,  _UpperCamelCase				)				)
												# verify boxes
												lowerCAmelCase__        =  torch.Size([6, 4]				)
												self.assertEqual(encoding['labels'][0]['boxes'].shape       ,  _UpperCamelCase				)
												lowerCAmelCase__        =  torch.tensor([0.55_03, 0.27_65, 0.06_04, 0.22_15]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['boxes'][0]       ,  _UpperCamelCase       ,  atol=1E-3				)				)
												# verify image_id
												lowerCAmelCase__        =  torch.tensor([3_97_69]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['image_id']       ,  _UpperCamelCase				)				)
												# verify is_crowd
												lowerCAmelCase__        =  torch.tensor([0, 0, 0, 0, 0, 0]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['iscrowd']       ,  _UpperCamelCase				)				)
												# verify class_labels
												lowerCAmelCase__        =  torch.tensor([75, 75, 63, 65, 17, 17]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['class_labels']       ,  _UpperCamelCase				)				)
												# verify orig_size
												lowerCAmelCase__        =  torch.tensor([4_80, 6_40]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['orig_size']       ,  _UpperCamelCase				)				)
												# verify size
												lowerCAmelCase__        =  torch.tensor([8_00, 10_66]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['size']       ,  _UpperCamelCase				)				)







						@slow
						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												lowerCAmelCase__        =  Image.open('./tests/fixtures/tests_samples/COCO/000000039769.png'				)
												with open('./tests/fixtures/tests_samples/COCO/coco_panoptic_annotations.txt'       ,  'r'				) as f:
																		lowerCAmelCase__        =  json.loads(f.read()				)

												lowerCAmelCase__        =  {'file_name': '000000039769.png', 'image_id': 3_97_69, 'segments_info': target}

												lowerCAmelCase__        =  pathlib.Path('./tests/fixtures/tests_samples/COCO/coco_panoptic'				)

												# encode them
												lowerCAmelCase__        =  DeformableDetrImageProcessor(format='coco_panoptic'				)
												lowerCAmelCase__        =  image_processing(images=_UpperCamelCase       ,  annotations=_UpperCamelCase       ,  masks_path=_UpperCamelCase       ,  return_tensors='pt'				)

												# verify pixel values
												lowerCAmelCase__        =  torch.Size([1, 3, 8_00, 10_66]				)
												self.assertEqual(encoding['pixel_values'].shape       ,  _UpperCamelCase				)

												lowerCAmelCase__        =  torch.tensor([0.27_96, 0.31_38, 0.34_81]				)
												self.assertTrue(torch.allclose(encoding['pixel_values'][0, 0, 0, :3]       ,  _UpperCamelCase       ,  atol=1E-4				)				)

												# verify area
												lowerCAmelCase__        =  torch.tensor([14_79_79.68_75, 16_55_27.04_69, 48_46_38.59_38, 1_12_92.93_75, 58_79.65_62, 76_34.11_47]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['area']       ,  _UpperCamelCase				)				)
												# verify boxes
												lowerCAmelCase__        =  torch.Size([6, 4]				)
												self.assertEqual(encoding['labels'][0]['boxes'].shape       ,  _UpperCamelCase				)
												lowerCAmelCase__        =  torch.tensor([0.26_25, 0.54_37, 0.46_88, 0.86_25]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['boxes'][0]       ,  _UpperCamelCase       ,  atol=1E-3				)				)
												# verify image_id
												lowerCAmelCase__        =  torch.tensor([3_97_69]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['image_id']       ,  _UpperCamelCase				)				)
												# verify is_crowd
												lowerCAmelCase__        =  torch.tensor([0, 0, 0, 0, 0, 0]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['iscrowd']       ,  _UpperCamelCase				)				)
												# verify class_labels
												lowerCAmelCase__        =  torch.tensor([17, 17, 63, 75, 75, 93]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['class_labels']       ,  _UpperCamelCase				)				)
												# verify masks
												lowerCAmelCase__        =  82_28_73
												self.assertEqual(encoding['labels'][0]['masks'].sum().item()       ,  _UpperCamelCase				)
												# verify orig_size
												lowerCAmelCase__        =  torch.tensor([4_80, 6_40]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['orig_size']       ,  _UpperCamelCase				)				)
												# verify size
												lowerCAmelCase__        =  torch.tensor([8_00, 10_66]				)
												self.assertTrue(torch.allclose(encoding['labels'][0]['size']       ,  _UpperCamelCase				)				)













import json
import os
from functools import lru_cache
from typing import Dict, List, Optional, Tuple, Union

import regex as re

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...tokenization_utils_base import BatchEncoding, EncodedInput
from ...utils import PaddingStrategy, logging


__snake_case      :      Any             =       logging.get_logger(__name__)


__snake_case      :      Union[str, Any]             =       {"""vocab_file""": """vocab.json""", """merges_file""": """merges.txt"""}

# See all LED models at https://huggingface.co/models?filter=LED
__snake_case      :      Optional[Any]             =       {
    """vocab_file""": {
        """allenai/led-base-16384""": """https://huggingface.co/allenai/led-base-16384/resolve/main/vocab.json""",
    },
    """merges_file""": {
        """allenai/led-base-16384""": """https://huggingface.co/allenai/led-base-16384/resolve/main/merges.txt""",
    },
    """tokenizer_file""": {
        """allenai/led-base-16384""": """https://huggingface.co/allenai/led-base-16384/resolve/main/tokenizer.json""",
    },
}

__snake_case      :      List[str]             =       {
    """allenai/led-base-16384""": 1_63_84,
}







@lru_cache()
# Copied from transformers.models.bart.tokenization_bart.bytes_to_unicode
def 		_UpperCamelCase				(      )					->				int:

						"""simple docstring"""



						lowerCAmelCase__        =  (
						    list(range(ord('!'						)      ,    ord('~'						) + 1						)						) + list(range(ord('¡'						)      ,    ord('¬'						) + 1						)						) + list(range(ord('®'						)      ,    ord('ÿ'						) + 1						)						)
						)
						lowerCAmelCase__        =  bs[:]
						lowerCAmelCase__        =  0
						for b in range(2**8						):
												if b not in bs:
																		bs.append(UpperCamelCase_						)
																		cs.append(2**8 + n						)
																		n += 1
						lowerCAmelCase__        =  [chr(UpperCamelCase_						) for n in cs]
						return dict(zip(UpperCamelCase_      ,    UpperCamelCase_						)						)







def 		_UpperCamelCase				(      UpperCamelCase_    :   Optional[Any]						)					->				Dict:

						"""simple docstring"""



						lowerCAmelCase__        =  set()
						lowerCAmelCase__        =  word[0]
						for char in word[1:]:
												pairs.add((prev_char, char)						)
												lowerCAmelCase__        =  char
						return pairs


class       __SCREAMING_SNAKE_CASE   (				__lowercase):
						_SCREAMING_SNAKE_CASE		:    Optional[int]						=   VOCAB_FILES_NAMES
						_SCREAMING_SNAKE_CASE		:    Optional[int]						=   PRETRAINED_VOCAB_FILES_MAP
						_SCREAMING_SNAKE_CASE		:    Optional[Any]						=   PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
						_SCREAMING_SNAKE_CASE		:    Any						=   ['''input_ids''', '''attention_mask''']






						def __init__(		self       ,  _UpperCamelCase       ,  _UpperCamelCase       ,  _UpperCamelCase="replace"       ,  _UpperCamelCase="<s>"       ,  _UpperCamelCase="</s>"       ,  _UpperCamelCase="</s>"       ,  _UpperCamelCase="<s>"       ,  _UpperCamelCase="<unk>"       ,  _UpperCamelCase="<pad>"       ,  _UpperCamelCase="<mask>"       ,  _UpperCamelCase=False       ,  **_UpperCamelCase       ,  ):






												"""simple docstring"""
												lowerCAmelCase__        =  AddedToken(_UpperCamelCase       ,  lstrip=_UpperCamelCase       ,  rstrip=_UpperCamelCase				) if isinstance(_UpperCamelCase       ,  _UpperCamelCase				) else bos_token
												lowerCAmelCase__        =  AddedToken(_UpperCamelCase       ,  lstrip=_UpperCamelCase       ,  rstrip=_UpperCamelCase				) if isinstance(_UpperCamelCase       ,  _UpperCamelCase				) else eos_token
												lowerCAmelCase__        =  AddedToken(_UpperCamelCase       ,  lstrip=_UpperCamelCase       ,  rstrip=_UpperCamelCase				) if isinstance(_UpperCamelCase       ,  _UpperCamelCase				) else sep_token
												lowerCAmelCase__        =  AddedToken(_UpperCamelCase       ,  lstrip=_UpperCamelCase       ,  rstrip=_UpperCamelCase				) if isinstance(_UpperCamelCase       ,  _UpperCamelCase				) else cls_token
												lowerCAmelCase__        =  AddedToken(_UpperCamelCase       ,  lstrip=_UpperCamelCase       ,  rstrip=_UpperCamelCase				) if isinstance(_UpperCamelCase       ,  _UpperCamelCase				) else unk_token
												lowerCAmelCase__        =  AddedToken(_UpperCamelCase       ,  lstrip=_UpperCamelCase       ,  rstrip=_UpperCamelCase				) if isinstance(_UpperCamelCase       ,  _UpperCamelCase				) else pad_token

												# Mask token behave like a normal word, i.e. include the space before it
												lowerCAmelCase__        =  AddedToken(_UpperCamelCase       ,  lstrip=_UpperCamelCase       ,  rstrip=_UpperCamelCase				) if isinstance(_UpperCamelCase       ,  _UpperCamelCase				) else mask_token

												super().__init__(
												    errors=_UpperCamelCase       ,  bos_token=_UpperCamelCase       ,  eos_token=_UpperCamelCase       ,  unk_token=_UpperCamelCase       ,  sep_token=_UpperCamelCase       ,  cls_token=_UpperCamelCase       ,  pad_token=_UpperCamelCase       ,  mask_token=_UpperCamelCase       ,  add_prefix_space=_UpperCamelCase       ,  **_UpperCamelCase       ,  )

												with open(_UpperCamelCase       ,  encoding='utf-8'				) as vocab_handle:
																		lowerCAmelCase__        =  json.load(_UpperCamelCase				)
												lowerCAmelCase__        =  {v: k for k, v in self.encoder.items()}
												lowerCAmelCase__        =  errors  # how to handle errors in decoding
												lowerCAmelCase__        =  bytes_to_unicode()
												lowerCAmelCase__        =  {v: k for k, v in self.byte_encoder.items()}
												with open(_UpperCamelCase       ,  encoding='utf-8'				) as merges_handle:
																		lowerCAmelCase__        =  merges_handle.read().split('\n'				)[1:-1]
												lowerCAmelCase__        =  [tuple(merge.split()				) for merge in bpe_merges]
												lowerCAmelCase__        =  dict(zip(_UpperCamelCase       ,  range(len(_UpperCamelCase				)				)				)				)
												lowerCAmelCase__        =  {}
												lowerCAmelCase__        =  add_prefix_space

												# Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
												lowerCAmelCase__        =  re.compile(r'\'s|\'t|\'re|\'ve|\'m|\'ll|\'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+'				)






						@property
						# Copied from transformers.models.bart.tokenization_bart.BartTokenizer.vocab_size
						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												return len(self.encoder				)






						def  UpperCamelCase__ (		self				):






												"""simple docstring"""
												return dict(self.encoder       ,  **self.added_tokens_encoder				)






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase				):






												"""simple docstring"""
												if token in self.cache:
																		return self.cache[token]
												lowerCAmelCase__        =  tuple(_UpperCamelCase				)
												lowerCAmelCase__        =  get_pairs(_UpperCamelCase				)

												if not pairs:
																		return token

												while True:
																		lowerCAmelCase__        =  min(_UpperCamelCase       ,  key=lambda _UpperCamelCase				: self.bpe_ranks.get(_UpperCamelCase       ,  float('inf'				)				)				)
																		if bigram not in self.bpe_ranks:
																								break
																		lowerCAmelCase__  ,    lowerCAmelCase__        =  bigram
																		lowerCAmelCase__        =  []
																		lowerCAmelCase__        =  0
																		while i < len(_UpperCamelCase				):
																								try:
																														lowerCAmelCase__        =  word.index(_UpperCamelCase       ,  _UpperCamelCase				)
																								except ValueError:
																														new_word.extend(word[i:]				)
																														break
																								else:
																														new_word.extend(word[i:j]				)
																														lowerCAmelCase__        =  j

																								if word[i] == first and i < len(_UpperCamelCase				) - 1 and word[i + 1] == second:
																														new_word.append(first + second				)
																														i += 2
																								else:
																														new_word.append(word[i]				)
																														i += 1
																		lowerCAmelCase__        =  tuple(_UpperCamelCase				)
																		lowerCAmelCase__        =  new_word
																		if len(_UpperCamelCase				) == 1:
																								break
																		else:
																								lowerCAmelCase__        =  get_pairs(_UpperCamelCase				)
												lowerCAmelCase__        =  ' '.join(_UpperCamelCase				)
												lowerCAmelCase__        =  word
												return word






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase				):






												"""simple docstring"""
												lowerCAmelCase__        =  []
												for token in re.findall(self.pat       ,  _UpperCamelCase				):
																		lowerCAmelCase__        =  ''.join(
																		    self.byte_encoder[b] for b in token.encode('utf-8'				)				)  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
																		bpe_tokens.extend(bpe_token for bpe_token in self.bpe(_UpperCamelCase				).split(' '				)				)
												return bpe_tokens






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase				):






												"""simple docstring"""
												return self.encoder.get(_UpperCamelCase       ,  self.encoder.get(self.unk_token				)				)






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase				):






												"""simple docstring"""
												return self.decoder.get(_UpperCamelCase				)






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase				):






												"""simple docstring"""
												lowerCAmelCase__        =  ''.join(_UpperCamelCase				)
												lowerCAmelCase__        =  bytearray([self.byte_decoder[c] for c in text]				).decode('utf-8'       ,  errors=self.errors				)
												return text






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase       ,  _UpperCamelCase = None				):






												"""simple docstring"""
												if not os.path.isdir(_UpperCamelCase				):
																		logger.error(F"Vocabulary path ({save_directory}) should be a directory"				)
																		return
												lowerCAmelCase__        =  os.path.join(
												    _UpperCamelCase       ,  (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']				)
												lowerCAmelCase__        =  os.path.join(
												    _UpperCamelCase       ,  (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['merges_file']				)

												with open(_UpperCamelCase       ,  'w'       ,  encoding='utf-8'				) as f:
																		f.write(json.dumps(self.encoder       ,  indent=2       ,  sort_keys=_UpperCamelCase       ,  ensure_ascii=_UpperCamelCase				) + '\n'				)

												lowerCAmelCase__        =  0
												with open(_UpperCamelCase       ,  'w'       ,  encoding='utf-8'				) as writer:
																		writer.write('#version: 0.2\n'				)
																		for bpe_tokens, token_index in sorted(self.bpe_ranks.items()       ,  key=lambda _UpperCamelCase				: kv[1]				):
																								if index != token_index:
																														logger.warning(
																														    F"Saving vocabulary to {merge_file}: BPE merge indices are not consecutive."
																														    ' Please check that the tokenizer is not corrupted!'				)
																														lowerCAmelCase__        =  token_index
																								writer.write(' '.join(_UpperCamelCase				) + '\n'				)
																								index += 1

												return vocab_file, merge_file






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase       ,  _UpperCamelCase = None				):






												"""simple docstring"""
												if token_ids_a is None:
																		return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
												lowerCAmelCase__        =  [self.cls_token_id]
												lowerCAmelCase__        =  [self.sep_token_id]
												return cls + token_ids_a + sep + sep + token_ids_a + sep






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase       ,  _UpperCamelCase = None       ,  _UpperCamelCase = False				):






												"""simple docstring"""
												if already_has_special_tokens:
																		return super().get_special_tokens_mask(
																		    token_ids_a=_UpperCamelCase       ,  token_ids_a=_UpperCamelCase       ,  already_has_special_tokens=_UpperCamelCase				)

												if token_ids_a is None:
																		return [1] + ([0] * len(_UpperCamelCase				)) + [1]
												return [1] + ([0] * len(_UpperCamelCase				)) + [1, 1] + ([0] * len(_UpperCamelCase				)) + [1]






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase       ,  _UpperCamelCase = None				):






												"""simple docstring"""
												lowerCAmelCase__        =  [self.sep_token_id]
												lowerCAmelCase__        =  [self.cls_token_id]

												if token_ids_a is None:
																		return len(cls + token_ids_a + sep				) * [0]
												return len(cls + token_ids_a + sep + sep + token_ids_a + sep				) * [0]






						def  UpperCamelCase__ (		self       ,  _UpperCamelCase       ,  _UpperCamelCase=False       ,  **_UpperCamelCase				):






												"""simple docstring"""
												lowerCAmelCase__        =  kwargs.pop('add_prefix_space'       ,  self.add_prefix_space				)
												if (is_split_into_words or add_prefix_space) and (len(_UpperCamelCase				) > 0 and not text[0].isspace()):
																		lowerCAmelCase__        =  ' ' + text
												return (text, kwargs)







						def  UpperCamelCase__ (		self       ,  _UpperCamelCase       ,  _UpperCamelCase = None       ,  _UpperCamelCase = PaddingStrategy.DO_NOT_PAD       ,  _UpperCamelCase = None       ,  _UpperCamelCase = None       ,  ):






												"""simple docstring"""
												lowerCAmelCase__        =  super()._pad(
												    encoded_inputs=_UpperCamelCase       ,  max_length=_UpperCamelCase       ,  padding_strategy=_UpperCamelCase       ,  pad_to_multiple_of=_UpperCamelCase       ,  return_attention_mask=_UpperCamelCase       ,  )

												# Load from model defaults
												if return_attention_mask is None:
																		lowerCAmelCase__        =  'attention_mask' in self.model_input_names

												if return_attention_mask and "global_attention_mask" in encoded_inputs:
																		lowerCAmelCase__        =  encoded_inputs[self.model_input_names[0]]
																		# `global_attention_mask` need to have the same length as other (sequential) inputs.
																		lowerCAmelCase__        =  len(encoded_inputs['global_attention_mask']				) != len(_UpperCamelCase				)

																		if needs_to_be_padded:
																								lowerCAmelCase__        =  len(_UpperCamelCase				) - len(encoded_inputs['global_attention_mask']				)

																								if self.padding_side == "right":
																														# Use `-1` since `0` in `global_attention_mask` means `local attention` instead of `not to attend`
																														lowerCAmelCase__        =  (
																														    encoded_inputs['global_attention_mask'] + [-1] * difference
																														)
																								elif self.padding_side == "left":
																														lowerCAmelCase__        =  [-1] * difference + encoded_inputs[
																														    'global_attention_mask'
																														]
																								else:
																														raise ValueError('Invalid padding strategy:' + str(self.padding_side				)				)

												return encoded_inputs





