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

import regex as re

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


_UpperCAmelCase      :				Tuple          = logging.get_logger(__name__)


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

_UpperCAmelCase      :				List[str]          = {
    """vocab_file""": {
        """allenai/longformer-base-4096""": """https://huggingface.co/allenai/longformer-base-4096/resolve/main/vocab.json""",
        """allenai/longformer-large-4096""": (
            """https://huggingface.co/allenai/longformer-large-4096/resolve/main/vocab.json"""
        ),
        """allenai/longformer-large-4096-finetuned-triviaqa""": (
            """https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/vocab.json"""
        ),
        """allenai/longformer-base-4096-extra.pos.embd.only""": (
            """https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/vocab.json"""
        ),
        """allenai/longformer-large-4096-extra.pos.embd.only""": (
            """https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/vocab.json"""
        ),
    },
    """merges_file""": {
        """allenai/longformer-base-4096""": """https://huggingface.co/allenai/longformer-base-4096/resolve/main/merges.txt""",
        """allenai/longformer-large-4096""": (
            """https://huggingface.co/allenai/longformer-large-4096/resolve/main/merges.txt"""
        ),
        """allenai/longformer-large-4096-finetuned-triviaqa""": (
            """https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/merges.txt"""
        ),
        """allenai/longformer-base-4096-extra.pos.embd.only""": (
            """https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/merges.txt"""
        ),
        """allenai/longformer-large-4096-extra.pos.embd.only""": (
            """https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/merges.txt"""
        ),
    },
}

_UpperCAmelCase      :				Optional[Any]          = {
    """allenai/longformer-base-4096""": 4_096,
    """allenai/longformer-large-4096""": 4_096,
    """allenai/longformer-large-4096-finetuned-triviaqa""": 4_096,
    """allenai/longformer-base-4096-extra.pos.embd.only""": 4_096,
    """allenai/longformer-large-4096-extra.pos.embd.only""": 4_096,
}


@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def    A (      )     ->						List[str]:
		'''simple docstring'''

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


def    A (      lowercase				)     ->						List[Any]:
		'''simple docstring'''

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


class        lowercase      (	_snake_case     ):
		__lowercase : Optional[Any]			  =       VOCAB_FILES_NAMES
		__lowercase : Dict			  =       PRETRAINED_VOCAB_FILES_MAP
		__lowercase : str			  =       PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
		__lowercase : Any			  =       ["""input_ids""", """attention_mask"""]



		def __init__(				self       ,   A_       ,   A_       ,   A_="replace"       ,   A_="<s>"       ,   A_="</s>"       ,   A_="</s>"       ,   A_="<s>"       ,   A_="<unk>"       ,   A_="<pad>"       ,   A_="<mask>"       ,   A_=False       ,   **A_       ,   )						->      List[Any]:
				"""simple docstring"""
				UpperCamelCase						=  AddedToken(snake_case_       ,   lstrip=snake_case_       ,   rstrip=snake_case_ ) if isinstance(snake_case_       ,   snake_case_ ) else bos_token
				UpperCamelCase						=  AddedToken(snake_case_       ,   lstrip=snake_case_       ,   rstrip=snake_case_ ) if isinstance(snake_case_       ,   snake_case_ ) else eos_token
				UpperCamelCase						=  AddedToken(snake_case_       ,   lstrip=snake_case_       ,   rstrip=snake_case_ ) if isinstance(snake_case_       ,   snake_case_ ) else sep_token
				UpperCamelCase						=  AddedToken(snake_case_       ,   lstrip=snake_case_       ,   rstrip=snake_case_ ) if isinstance(snake_case_       ,   snake_case_ ) else cls_token
				UpperCamelCase						=  AddedToken(snake_case_       ,   lstrip=snake_case_       ,   rstrip=snake_case_ ) if isinstance(snake_case_       ,   snake_case_ ) else unk_token
				UpperCamelCase						=  AddedToken(snake_case_       ,   lstrip=snake_case_       ,   rstrip=snake_case_ ) if isinstance(snake_case_       ,   snake_case_ ) else pad_token

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

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

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

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



		@property
		def __UpperCamelCase				(				self )						->      List[str]:
				"""simple docstring"""
				return len(self.encoder )



		def __UpperCamelCase				(				self )						->      Optional[Any]:
				"""simple docstring"""
				return dict(self.encoder       ,   **self.added_tokens_encoder )



		def __UpperCamelCase				(				self       ,   A_ )						->      List[str]:
				"""simple docstring"""
				if token in self.cache:
						return self.cache[token]
				UpperCamelCase						=  tuple(snake_case_ )
				UpperCamelCase						=  get_pairs(snake_case_ )

				if not pairs:
						return token

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

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



		def __UpperCamelCase				(				self       ,   A_ )						->      Optional[int]:
				"""simple docstring"""
				UpperCamelCase						=  []
				for token in re.findall(self.pat       ,   snake_case_ ):
						UpperCamelCase						=  "".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(snake_case_ ).split(' ' ) )
				return bpe_tokens



		def __UpperCamelCase				(				self       ,   A_ )						->      List[Any]:
				"""simple docstring"""
				return self.encoder.get(snake_case_       ,   self.encoder.get(self.unk_token ) )



		def __UpperCamelCase				(				self       ,   A_ )						->      Optional[Any]:
				"""simple docstring"""
				return self.decoder.get(snake_case_ )



		def __UpperCamelCase				(				self       ,   A_ )						->      Any:
				"""simple docstring"""
				UpperCamelCase						=  "".join(snake_case_ )
				UpperCamelCase						=  bytearray([self.byte_decoder[c] for c in text] ).decode('utf-8'       ,   errors=self.errors )
				return text



		def __UpperCamelCase				(				self       ,   A_       ,   A_ = None )						->      Optional[Any]:
				"""simple docstring"""
				if not os.path.isdir(snake_case_ ):
						logger.error(F'''Vocabulary path ({save_directory}) should be a directory''' )
						return
				UpperCamelCase						=  os.path.join(
				    snake_case_       ,   (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file'] )
				UpperCamelCase						=  os.path.join(
				    snake_case_       ,   (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['merges_file'] )

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

				UpperCamelCase						=  0
				with open(snake_case_       ,   '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 A_ : 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!' )
										UpperCamelCase						=  token_index
								writer.write(' '.join(snake_case_ ) + '\n' )
								index += 1

				return vocab_file, merge_file



		def __UpperCamelCase				(				self       ,   A_       ,   A_ = None )						->      List[Any]:
				"""simple docstring"""
				if token_ids_a is None:
						return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
				UpperCamelCase						=  [self.cls_token_id]
				UpperCamelCase						=  [self.sep_token_id]
				return cls + token_ids_a + sep + sep + token_ids_a + sep



		def __UpperCamelCase				(				self       ,   A_       ,   A_ = None       ,   A_ = False )						->      int:
				"""simple docstring"""
				if already_has_special_tokens:
						return super().get_special_tokens_mask(
						    token_ids_a=snake_case_       ,   token_ids_a=snake_case_       ,   already_has_special_tokens=snake_case_ )

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



		def __UpperCamelCase				(				self       ,   A_       ,   A_ = None )						->      int:
				"""simple docstring"""
				UpperCamelCase						=  [self.sep_token_id]
				UpperCamelCase						=  [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       ,   A_       ,   A_=False       ,   **A_ )						->      List[str]:
				"""simple docstring"""
				UpperCamelCase						=  kwargs.pop('add_prefix_space'       ,   self.add_prefix_space )
				if (is_split_into_words or add_prefix_space) and (len(snake_case_ ) > 0 and not text[0].isspace()):
						UpperCamelCase						=  " " + text
				return (text, kwargs)


import os

_UpperCAmelCase      :				int          = {"I": 1, "V": 5, "X": 10, "L": 50, "C": 100, "D": 500, "M": 1_000}


def    A (      lowercase				)     ->						int:
		'''simple docstring'''

		UpperCamelCase						=  0

		UpperCamelCase						=  0
		while index < len(lowercase				) - 1:
				UpperCamelCase						=  SYMBOLS[numerals[index]]
				UpperCamelCase						=  SYMBOLS[numerals[index + 1]]
				if current_value < next_value:
						total_value -= current_value
				else:
						total_value += current_value
				index += 1
		total_value += SYMBOLS[numerals[index]]

		return total_value


def    A (      lowercase				)     ->						str:
		'''simple docstring'''

		UpperCamelCase						=  ''

		UpperCamelCase						=  num // 1_000
		numerals += m_count * "M"
		num %= 1_000

		UpperCamelCase						=  num // 100
		if c_count == 9:
				numerals += "CM"
				c_count -= 9
		elif c_count == 4:
				numerals += "CD"
				c_count -= 4
		if c_count >= 5:
				numerals += "D"
				c_count -= 5
		numerals += c_count * "C"
		num %= 100

		UpperCamelCase						=  num // 10
		if x_count == 9:
				numerals += "XC"
				x_count -= 9
		elif x_count == 4:
				numerals += "XL"
				x_count -= 4
		if x_count >= 5:
				numerals += "L"
				x_count -= 5
		numerals += x_count * "X"
		num %= 10

		if num == 9:
				numerals += "IX"
				num -= 9
		elif num == 4:
				numerals += "IV"
				num -= 4
		if num >= 5:
				numerals += "V"
				num -= 5
		numerals += num * "I"

		return numerals


def    A (      lowercase = "/p089_roman.txt"				)     ->						int:
		'''simple docstring'''

		UpperCamelCase						=  0

		with open(os.path.dirname(lowercase				) + roman_numerals_filename				) as filea:
				UpperCamelCase						=  filea.readlines()

		for line in lines:
				UpperCamelCase						=  line.strip()
				UpperCamelCase						=  parse_roman_numerals(lowercase				)
				UpperCamelCase						=  generate_roman_numerals(lowercase				)
				savings += len(lowercase				) - len(lowercase				)

		return savings


if __name__ == "__main__":
					print(F'''{solution() = }''')
