"""simple docstring"""






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

import regex as re

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


if TYPE_CHECKING:
       from transformers.pipelines.conversational import Conversation

__A			   = logging.get_logger(__name__)


__A			   = {
    "vocab_file": "vocab.json",
    "merges_file": "merges.txt",
    "tokenizer_config_file": "tokenizer_config.json",
}

__A			   = {
    "vocab_file": {"facebook/blenderbot-3B": "https://huggingface.co/facebook/blenderbot-3B/resolve/main/vocab.json"},
    "merges_file": {"facebook/blenderbot-3B": "https://huggingface.co/facebook/blenderbot-3B/resolve/main/merges.txt"},
    "tokenizer_config_file": {
        "facebook/blenderbot-3B": "https://huggingface.co/facebook/blenderbot-3B/resolve/main/tokenizer_config.json"
    },
}

__A			   = {"facebook/blenderbot-3B": 1_2_8}



@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def SCREAMING_SNAKE_CASE__			(   )  ->  Union[str, Any]:
   lowercase__:   Any					=      (
       list(range(ord('''!''' )       ,    ord('''~''' ) + 1 ) ) + list(range(ord('''¡''' )       ,    ord('''¬''' ) + 1 ) ) + list(range(ord('''®''' )       ,    ord('''ÿ''' ) + 1 ) )
   )
   lowercase__:   Optional[Any]					=      bs[:]
   lowercase__:   Optional[Any]					=      0
   for b in range(2**8 ):
      if b not in bs:
         bs.append(__UpperCAmelCase )
         cs.append(2**8 + n )
         n += 1
   lowercase__:   Tuple					=      [chr(__UpperCAmelCase ) for n in cs]
   return dict(zip(__UpperCAmelCase       ,    __UpperCAmelCase ) )



def SCREAMING_SNAKE_CASE__			(   __UpperCAmelCase )  ->  Union[str, Any]:
   lowercase__:   Optional[int]					=      set()
   lowercase__:   List[str]					=      word[0]
   for char in word[1:]:
      pairs.add((prev_char, char) )
      lowercase__:   Union[str, Any]					=      char
   return pairs




class     UpperCAmelCase						(_UpperCAmelCase  ):



    """simple docstring"""

    _UpperCAmelCase	:Tuple						    = VOCAB_FILES_NAMES
    _UpperCAmelCase	:Dict						    = PRETRAINED_VOCAB_FILES_MAP
    _UpperCAmelCase	:Any						    = PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
    _UpperCAmelCase	:Optional[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    ,			):
       lowercase__:   List[str]					=      AddedToken(_UpperCAmelCase    ,			lstrip=_UpperCAmelCase    ,			rstrip=_UpperCAmelCase							) if isinstance(_UpperCAmelCase    ,			_UpperCAmelCase							) else bos_token
       lowercase__:   Optional[int]					=      AddedToken(_UpperCAmelCase    ,			lstrip=_UpperCAmelCase    ,			rstrip=_UpperCAmelCase							) if isinstance(_UpperCAmelCase    ,			_UpperCAmelCase							) else eos_token
       lowercase__:   str					=      AddedToken(_UpperCAmelCase    ,			lstrip=_UpperCAmelCase    ,			rstrip=_UpperCAmelCase							) if isinstance(_UpperCAmelCase    ,			_UpperCAmelCase							) else sep_token
       lowercase__:   Tuple					=      AddedToken(_UpperCAmelCase    ,			lstrip=_UpperCAmelCase    ,			rstrip=_UpperCAmelCase							) if isinstance(_UpperCAmelCase    ,			_UpperCAmelCase							) else cls_token
       lowercase__:   int					=      AddedToken(_UpperCAmelCase    ,			lstrip=_UpperCAmelCase    ,			rstrip=_UpperCAmelCase							) if isinstance(_UpperCAmelCase    ,			_UpperCAmelCase							) else unk_token
       lowercase__:   Optional[Any]					=      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
       lowercase__:   Any					=      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:
          lowercase__:   Union[str, Any]					=      json.load(_UpperCAmelCase							)
       lowercase__:   List[Any]					=      {v: k for k, v in self.encoder.items()}
       lowercase__:   Dict					=      errors  # how to handle errors in decoding
       lowercase__:   Any					=      bytes_to_unicode()
       lowercase__:   Tuple					=      {v: k for k, v in self.byte_encoder.items()}
       with open(_UpperCAmelCase    ,			encoding='''utf-8'''							) as merges_handle:
          lowercase__:   List[Any]					=      merges_handle.read().split('''\n'''							)[1:-1]
       lowercase__:   Optional[int]					=      [tuple(merge.split()							) for merge in bpe_merges]
       lowercase__:   List[str]					=      dict(zip(_UpperCAmelCase    ,			range(len(_UpperCAmelCase							)							)							)							)
       lowercase__:   List[Any]					=      {}
       lowercase__:   Tuple					=      add_prefix_space

       # Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
       lowercase__:   List[Any]					=      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.roberta.tokenization_roberta.RobertaTokenizer.vocab_size with Roberta->Blenderbot, RoBERTa->Blenderbot
    def _snake_case			(   self							):
       return len(self.encoder							)






    def _snake_case			(   self							):
       return dict(self.encoder    ,			**self.added_tokens_encoder							)






    def _snake_case			(   self    ,			_UpperCAmelCase							):
       if token in self.cache:
          return self.cache[token]
       lowercase__:   Tuple					=      tuple(_UpperCAmelCase							)
       lowercase__:   str					=      get_pairs(_UpperCAmelCase							)

       if not pairs:
          return token

       while True:
          lowercase__:   Optional[int]					=      min(_UpperCAmelCase    ,			key=lambda _UpperCAmelCase							: self.bpe_ranks.get(_UpperCAmelCase    ,			float('''inf'''							)							)							)
          if bigram not in self.bpe_ranks:
             break
          lowercase__, lowercase__:   str					=      bigram
          lowercase__:   Tuple					=      []
          lowercase__:   List[Any]					=      0
          while i < len(_UpperCAmelCase							):
             try:
                lowercase__:   List[str]					=      word.index(_UpperCAmelCase    ,			_UpperCAmelCase							)
             except ValueError:
                new_word.extend(word[i:]							)
                break
             else:
                new_word.extend(word[i:j]							)
                lowercase__:   str					=      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
          lowercase__:   int					=      tuple(_UpperCAmelCase							)
          lowercase__:   Tuple					=      new_word
          if len(_UpperCAmelCase							) == 1:
             break
          else:
             lowercase__:   str					=      get_pairs(_UpperCAmelCase							)
       lowercase__:   Optional[Any]					=      ''' '''.join(_UpperCAmelCase							)
       lowercase__:   List[Any]					=      word
       return word






    def _snake_case			(   self    ,			_UpperCAmelCase							):
       lowercase__:   Any					=      []
       for token in re.findall(self.pat    ,			_UpperCAmelCase							):
          lowercase__:   List[str]					=      ''''''.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 _snake_case			(   self    ,			_UpperCAmelCase							):
       return self.encoder.get(_UpperCAmelCase    ,			self.encoder.get(self.unk_token							)							)






    def _snake_case			(   self    ,			_UpperCAmelCase							):
       return self.decoder.get(_UpperCAmelCase							)






    def _snake_case			(   self    ,			_UpperCAmelCase							):
       lowercase__:   List[str]					=      ''''''.join(_UpperCAmelCase							)
       lowercase__:   int					=      bytearray([self.byte_decoder[c] for c in text]							).decode('''utf-8'''    ,			errors=self.errors							)
       return text






    def _snake_case			(   self    ,			_UpperCAmelCase    ,			_UpperCAmelCase = None							):
       if not os.path.isdir(_UpperCAmelCase							):
          logger.error(F"""Vocabulary path ({save_directory}) should be a directory"""							)
          return
       lowercase__:   int					=      os.path.join(
           _UpperCAmelCase    ,			(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']							)
       lowercase__:   int					=      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'''							)

       lowercase__:   Optional[int]					=      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!'''							)
                lowercase__:   Optional[Any]					=      token_index
             writer.write(''' '''.join(_UpperCAmelCase							) + '''\n'''							)
             index += 1

       return vocab_file, merge_file






    def _snake_case			(   self    ,			_UpperCAmelCase    ,			_UpperCAmelCase = None    ,			_UpperCAmelCase = False							):
       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 _snake_case			(   self    ,			_UpperCAmelCase    ,			_UpperCAmelCase = None							):
       lowercase__:   str					=      [self.sep_token_id]
       lowercase__:   int					=      [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 _snake_case			(   self    ,			_UpperCAmelCase    ,			_UpperCAmelCase=False    ,			**_UpperCAmelCase							):
       lowercase__:   List[str]					=      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()):
          lowercase__:   int					=      ''' ''' + text
       return (text, kwargs)






    def _snake_case			(   self    ,			_UpperCAmelCase    ,			_UpperCAmelCase = None							):
       return token_ids_a + [self.eos_token_id]






    def _snake_case			(   self    ,			_UpperCAmelCase							):
       lowercase__:   Tuple					=      []
       for is_user, text in conversation.iter_texts():
          if is_user:
             # We need to space prefix as it's being done within blenderbot
             inputs.append(''' ''' + text							)
          else:
             # Generated responses should contain them already.
             inputs.append(_UpperCAmelCase							)

       lowercase__:   str					=      '''  '''.join(_UpperCAmelCase							)
       lowercase__:   Optional[Any]					=      self.encode(_UpperCAmelCase							)
       if len(_UpperCAmelCase							) > self.model_max_length:
          lowercase__:   List[Any]					=      input_ids[-self.model_max_length :]
          logger.warning(F"""Trimmed input from conversation as it was longer than {self.model_max_length} tokens."""							)
       return input_ids

"""simple docstring"""






__A			   = [
    (1_0_0_0, "M"),
    (9_0_0, "CM"),
    (5_0_0, "D"),
    (4_0_0, "CD"),
    (1_0_0, "C"),
    (9_0, "XC"),
    (5_0, "L"),
    (4_0, "XL"),
    (1_0, "X"),
    (9, "IX"),
    (5, "V"),
    (4, "IV"),
    (1, "I"),
]



def SCREAMING_SNAKE_CASE__			(   __UpperCAmelCase )  ->  int:
   lowercase__:   Dict					=      {'''I''': 1, '''V''': 5, '''X''': 1_0, '''L''': 5_0, '''C''': 1_0_0, '''D''': 5_0_0, '''M''': 1_0_0_0}
   lowercase__:   List[str]					=      0
   lowercase__:   List[Any]					=      0
   while place < len(__UpperCAmelCase ):
      if (place + 1 < len(__UpperCAmelCase )) and (vals[roman[place]] < vals[roman[place + 1]]):
         total += vals[roman[place + 1]] - vals[roman[place]]
         place += 2
      else:
         total += vals[roman[place]]
         place += 1
   return total



def SCREAMING_SNAKE_CASE__			(   __UpperCAmelCase )  ->  str:
   lowercase__:   Optional[Any]					=      []
   for arabic, roman in ROMAN:
      ((lowercase__), (lowercase__)):   Tuple					=      divmod(__UpperCAmelCase       ,    __UpperCAmelCase )
      result.append(roman * factor )
      if number == 0:
         break
   return "".join(__UpperCAmelCase )


if __name__ == "__main__":
       import doctest

       doctest.testmod()
