

"""simple docstring"""
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


_A							=  logging.get_logger(__name__)


_A							=  {"""vocab_file""": """vocab.json""", """merges_file""": """merges.txt"""}

_A							=  {
    """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"""
        ),
    },
}

_A							=  {
    """allenai/longformer-base-4096""": 40_96,
    """allenai/longformer-large-4096""": 40_96,
    """allenai/longformer-large-4096-finetuned-triviaqa""": 40_96,
    """allenai/longformer-base-4096-extra.pos.embd.only""": 40_96,
    """allenai/longformer-large-4096-extra.pos.embd.only""": 40_96,
}




@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def 					a__						(						)	-> str:
      UpperCAmelCase__			:							int							=    (
          list(range(ord("""!"""    )			,	ord("""~"""    ) + 1    )    ) + list(range(ord("""¡"""    )			,	ord("""¬"""    ) + 1    )    ) + list(range(ord("""®"""    )			,	ord("""ÿ"""    ) + 1    )    )
      )
      UpperCAmelCase__			:							Any							=    bs[:]
      UpperCAmelCase__			:							List[Any]							=    0
      for b in range(2**8    ):
            if b not in bs:
                  bs.append(lowerCAmelCase    )
                  cs.append(2**8 + n    )
                  n += 1
      UpperCAmelCase__			:							str							=    [chr(lowerCAmelCase    ) for n in cs]
      return dict(zip(lowerCAmelCase			,	lowerCAmelCase    )    )




def 					a__						(						lowerCAmelCase    )	-> List[Any]:
      UpperCAmelCase__			:							List[Any]							=    set()
      UpperCAmelCase__			:							Any							=    word[0]
      for char in word[1:]:
            pairs.add((prev_char, char)    )
            UpperCAmelCase__			:							Tuple							=    char
      return pairs





class       lowerCamelCase	(       lowerCAmelCase__   ):


  '''simple docstring'''







  SCREAMING_SNAKE_CASE					      =  VOCAB_FILES_NAMES
  SCREAMING_SNAKE_CASE					      =  PRETRAINED_VOCAB_FILES_MAP
  SCREAMING_SNAKE_CASE					      =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
  SCREAMING_SNAKE_CASE					      =  ['input_ids', 'attention_mask']



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


        """simple docstring"""

        UpperCAmelCase__			:							str							=    AddedToken(_lowerCamelCase							,       lstrip=_lowerCamelCase							,       rstrip=_lowerCamelCase	) if isinstance(_lowerCamelCase							,       _lowerCamelCase	) else bos_token
        UpperCAmelCase__			:							str							=    AddedToken(_lowerCamelCase							,       lstrip=_lowerCamelCase							,       rstrip=_lowerCamelCase	) if isinstance(_lowerCamelCase							,       _lowerCamelCase	) else eos_token
        UpperCAmelCase__			:							List[str]							=    AddedToken(_lowerCamelCase							,       lstrip=_lowerCamelCase							,       rstrip=_lowerCamelCase	) if isinstance(_lowerCamelCase							,       _lowerCamelCase	) else sep_token
        UpperCAmelCase__			:							List[Any]							=    AddedToken(_lowerCamelCase							,       lstrip=_lowerCamelCase							,       rstrip=_lowerCamelCase	) if isinstance(_lowerCamelCase							,       _lowerCamelCase	) else cls_token
        UpperCAmelCase__			:							List[str]							=    AddedToken(_lowerCamelCase							,       lstrip=_lowerCamelCase							,       rstrip=_lowerCamelCase	) if isinstance(_lowerCamelCase							,       _lowerCamelCase	) else unk_token
        UpperCAmelCase__			:							Dict							=    AddedToken(_lowerCamelCase							,       lstrip=_lowerCamelCase							,       rstrip=_lowerCamelCase	) if isinstance(_lowerCamelCase							,       _lowerCamelCase	) else pad_token

        # Mask token behave like a normal word, i.e. include the space before it
        UpperCAmelCase__			:							List[Any]							=    AddedToken(_lowerCamelCase							,       lstrip=_lowerCamelCase							,       rstrip=_lowerCamelCase	) if isinstance(_lowerCamelCase							,       _lowerCamelCase	) else mask_token

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

        with open(_lowerCamelCase							,       encoding="""utf-8"""	) as vocab_handle:
              UpperCAmelCase__			:							Union[str, Any]							=    json.load(_lowerCamelCase	)
        UpperCAmelCase__			:							Optional[int]							=    {v: k for k, v in self.encoder.items()}
        UpperCAmelCase__			:							List[Any]							=    errors  # how to handle errors in decoding
        UpperCAmelCase__			:							Any							=    bytes_to_unicode()
        UpperCAmelCase__			:							Tuple							=    {v: k for k, v in self.byte_encoder.items()}
        with open(_lowerCamelCase							,       encoding="""utf-8"""	) as merges_handle:
              UpperCAmelCase__			:							int							=    merges_handle.read().split("""\n"""	)[1:-1]
        UpperCAmelCase__			:							List[str]							=    [tuple(merge.split()	) for merge in bpe_merges]
        UpperCAmelCase__			:							Dict							=    dict(zip(_lowerCamelCase							,       range(len(_lowerCamelCase	)	)	)	)
        UpperCAmelCase__			:							Optional[Any]							=    {}
        UpperCAmelCase__			:							Union[str, Any]							=    add_prefix_space

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



  @property
  def  _a      (self	):


        """simple docstring"""

        return len(self.encoder	)



  def  _a      (self	):


        """simple docstring"""

        return dict(self.encoder							,       **self.added_tokens_encoder	)



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        if token in self.cache:
              return self.cache[token]
        UpperCAmelCase__			:							Union[str, Any]							=    tuple(_lowerCamelCase	)
        UpperCAmelCase__			:							List[str]							=    get_pairs(_lowerCamelCase	)

        if not pairs:
              return token

        while True:
              UpperCAmelCase__			:							List[Any]							=    min(_lowerCamelCase							,       key=lambda _lowerCamelCase	: self.bpe_ranks.get(_lowerCamelCase							,       float("""inf"""	)	)	)
              if bigram not in self.bpe_ranks:
                    break
              UpperCAmelCase__					,		UpperCAmelCase__			:							str							=    bigram
              UpperCAmelCase__			:							Dict							=    []
              UpperCAmelCase__			:							Optional[int]							=    0
              while i < len(_lowerCamelCase	):
                    try:
                          UpperCAmelCase__			:							int							=    word.index(_lowerCamelCase							,       _lowerCamelCase	)
                    except ValueError:
                          new_word.extend(word[i:]	)
                          break
                    else:
                          new_word.extend(word[i:j]	)
                          UpperCAmelCase__			:							Optional[int]							=    j

                    if word[i] == first and i < len(_lowerCamelCase	) - 1 and word[i + 1] == second:
                          new_word.append(first + second	)
                          i += 2
                    else:
                          new_word.append(word[i]	)
                          i += 1
              UpperCAmelCase__			:							Optional[Any]							=    tuple(_lowerCamelCase	)
              UpperCAmelCase__			:							List[str]							=    new_word
              if len(_lowerCamelCase	) == 1:
                    break
              else:
                    UpperCAmelCase__			:							Optional[int]							=    get_pairs(_lowerCamelCase	)
        UpperCAmelCase__			:							str							=    """ """.join(_lowerCamelCase	)
        UpperCAmelCase__			:							Union[str, Any]							=    word
        return word



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        UpperCAmelCase__			:							List[Any]							=    []
        for token in re.findall(self.pat							,       _lowerCamelCase	):
              UpperCAmelCase__			:							int							=    """""".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(_lowerCamelCase	).split(""" """	)	)
        return bpe_tokens



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        return self.encoder.get(_lowerCamelCase							,       self.encoder.get(self.unk_token	)	)



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        return self.decoder.get(_lowerCamelCase	)



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        UpperCAmelCase__			:							Tuple							=    """""".join(_lowerCamelCase	)
        UpperCAmelCase__			:							str							=    bytearray([self.byte_decoder[c] for c in text]	).decode("""utf-8"""							,       errors=self.errors	)
        return text



  def  _a      (self							,       _lowerCamelCase							,       _lowerCamelCase = None	):


        """simple docstring"""

        if not os.path.isdir(_lowerCamelCase	):
              logger.error(F"""Vocabulary path ({save_directory}) should be a directory"""	)
              return
        UpperCAmelCase__			:							str							=    os.path.join(
            _lowerCamelCase							,       (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]	)
        UpperCAmelCase__			:							Dict							=    os.path.join(
            _lowerCamelCase							,       (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""merges_file"""]	)

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

        UpperCAmelCase__			:							str							=    0
        with open(_lowerCamelCase							,       """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 _lowerCamelCase	: 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__			:							str							=    token_index
                    writer.write(""" """.join(_lowerCamelCase	) + """\n"""	)
                    index += 1

        return vocab_file, merge_file



  def  _a      (self							,       _lowerCamelCase							,       _lowerCamelCase = None	):


        """simple docstring"""

        if token_ids_a is None:
              return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
        UpperCAmelCase__			:							Tuple							=    [self.cls_token_id]
        UpperCAmelCase__			:							int							=    [self.sep_token_id]
        return cls + token_ids_a + sep + sep + token_ids_a + sep



  def  _a      (self							,       _lowerCamelCase							,       _lowerCamelCase = None							,       _lowerCamelCase = False	):


        """simple docstring"""

        if already_has_special_tokens:
              return super().get_special_tokens_mask(
                  token_ids_a=_lowerCamelCase							,       token_ids_a=_lowerCamelCase							,       already_has_special_tokens=_lowerCamelCase	)

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



  def  _a      (self							,       _lowerCamelCase							,       _lowerCamelCase = None	):


        """simple docstring"""

        UpperCAmelCase__			:							Tuple							=    [self.sep_token_id]
        UpperCAmelCase__			:							Union[str, Any]							=    [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  _a      (self							,       _lowerCamelCase							,       _lowerCamelCase=False							,       **_lowerCamelCase	):


        """simple docstring"""

        UpperCAmelCase__			:							Tuple							=    kwargs.pop("""add_prefix_space"""							,       self.add_prefix_space	)
        if (is_split_into_words or add_prefix_space) and (len(_lowerCamelCase	) > 0 and not text[0].isspace()):
              UpperCAmelCase__			:							Optional[Any]							=    """ """ + text
        return (text, kwargs)




"""simple docstring"""
_A							=  """ABCDEFGHIJKLMNOPQRSTUVWXYZ"""




def 					a__						(						)	-> None:
      UpperCAmelCase__			:							Optional[Any]							=    input("""Enter message: """    )
      UpperCAmelCase__			:							Optional[Any]							=    input("""Enter key [alphanumeric]: """    )
      UpperCAmelCase__			:							Optional[Any]							=    input("""Encrypt/Decrypt [e/d]: """    )

      if mode.lower().startswith("""e"""    ):
            UpperCAmelCase__			:							Optional[Any]							=    """encrypt"""
            UpperCAmelCase__			:							List[Any]							=    encrypt_message(lowerCAmelCase			,	lowerCAmelCase    )
      elif mode.lower().startswith("""d"""    ):
            UpperCAmelCase__			:							Optional[Any]							=    """decrypt"""
            UpperCAmelCase__			:							Dict							=    decrypt_message(lowerCAmelCase			,	lowerCAmelCase    )

      print(F"""\n{mode.title()}ed message:"""    )
      print(lowerCAmelCase    )




def 					a__						(						lowerCAmelCase			,	lowerCAmelCase    )	-> str:
      return translate_message(lowerCAmelCase			,	lowerCAmelCase			,	"""encrypt"""    )




def 					a__						(						lowerCAmelCase			,	lowerCAmelCase    )	-> str:
      return translate_message(lowerCAmelCase			,	lowerCAmelCase			,	"""decrypt"""    )




def 					a__						(						lowerCAmelCase			,	lowerCAmelCase			,	lowerCAmelCase    )	-> str:
      UpperCAmelCase__			:							Optional[Any]							=    []
      UpperCAmelCase__			:							int							=    0
      UpperCAmelCase__			:							str							=    key.upper()

      for symbol in message:
            UpperCAmelCase__			:							Optional[Any]							=    LETTERS.find(symbol.upper()    )
            if num != -1:
                  if mode == "encrypt":
                        num += LETTERS.find(key[key_index]    )
                  elif mode == "decrypt":
                        num -= LETTERS.find(key[key_index]    )

                  num %= len(lowerCAmelCase    )

                  if symbol.isupper():
                        translated.append(LETTERS[num]    )
                  elif symbol.islower():
                        translated.append(LETTERS[num].lower()    )

                  key_index += 1
                  if key_index == len(lowerCAmelCase    ):
                        UpperCAmelCase__			:							List[str]							=    0
            else:
                  translated.append(lowerCAmelCase    )
      return "".join(lowerCAmelCase    )


if __name__ == "__main__":
    main()

