

"""simple docstring"""
import json
import os
from typing import Dict, List, Optional, Tuple

from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging


_A							=  logging.get_logger(__name__)


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

_A							=  {
    """vocab_file""": {
        """facebook/s2t-wav2vec2-large-en-de""": (
            """https://huggingface.co/facebook/s2t-wav2vec2-large-en-de/resolve/main/vocab.json"""
        ),
    },
    """tokenizer_config_file""": {
        """facebook/s2t-wav2vec2-large-en-de""": (
            """https://huggingface.co/facebook/s2t-wav2vec2-large-en-de/resolve/main/tokenizer_config.json"""
        ),
    },
    """merges_file""": {
        """facebook/s2t-wav2vec2-large-en-de""": (
            """https://huggingface.co/facebook/s2t-wav2vec2-large-en-de/resolve/main/merges.txt"""
        ),
    },
}

_A							=  """</w>"""
_A							=  """@@ """




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


# Speech2Text2 has no max input length
_A							=  {"""facebook/s2t-wav2vec2-large-en-de""": 10_24}





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="<s>"							,       _lowerCamelCase="<pad>"							,       _lowerCamelCase="</s>"							,       _lowerCamelCase="<unk>"							,       _lowerCamelCase=False							,       _lowerCamelCase=None							,       **_lowerCamelCase							,       ):


        """simple docstring"""

        super().__init__(
            unk_token=_lowerCamelCase							,       bos_token=_lowerCamelCase							,       eos_token=_lowerCamelCase							,       pad_token=_lowerCamelCase							,       do_lower_case=_lowerCamelCase							,       **_lowerCamelCase							,       )

        UpperCAmelCase__			:							Union[str, Any]							=    do_lower_case

        with open(_lowerCamelCase							,       encoding="""utf-8"""	) as vocab_handle:
              UpperCAmelCase__			:							Optional[int]							=    json.load(_lowerCamelCase	)
        UpperCAmelCase__			:							Optional[int]							=    {v: k for k, v in self.encoder.items()}

        if merges_file is None:
              logger.info(F"""No merges files provided. {self.__class__.__name__} can only be used for decoding."""	)

              UpperCAmelCase__			:							Optional[int]							=    None
              UpperCAmelCase__			:							List[str]							=    None
        else:
              with open(_lowerCamelCase							,       encoding="""utf-8"""	) as merges_handle:
                    UpperCAmelCase__			:							List[Any]							=    merges_handle.read().split("""\n"""	)[:-1]

              UpperCAmelCase__			:							List[Any]							=    [tuple(merge.split()[:2]	) for merge in merges]
              UpperCAmelCase__			:							Any							=    dict(zip(_lowerCamelCase							,       range(len(_lowerCamelCase	)	)	)	)
              UpperCAmelCase__			:							Dict							=    {}



  @property
  def  _a      (self	):


        """simple docstring"""

        return len(self.decoder	)



  def  _a      (self	):


        """simple docstring"""

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



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        UpperCAmelCase__			:							Optional[Any]							=    tuple(token[:-1]	) + (token[-1] + BPE_TOKEN_MERGES,)
        if token in self.cache:
              return self.cache[token]
        UpperCAmelCase__			:							Optional[Any]							=    get_pairs(_lowerCamelCase	)

        if not pairs:
              return token

        while True:
              UpperCAmelCase__			:							Optional[Any]							=    min(_lowerCamelCase							,       key=lambda _lowerCamelCase	: self.bpe_ranks.get(_lowerCamelCase							,       float("""inf"""	)	)	)
              if bigram not in self.bpe_ranks:
                    break
              UpperCAmelCase__					,		UpperCAmelCase__			:							Dict							=    bigram
              UpperCAmelCase__			:							Union[str, Any]							=    []
              UpperCAmelCase__			:							Optional[Any]							=    0
              while i < len(_lowerCamelCase	):
                    try:
                          UpperCAmelCase__			:							Any							=    word.index(_lowerCamelCase							,       _lowerCamelCase	)
                    except ValueError:
                          new_word.extend(word[i:]	)
                          break
                    else:
                          new_word.extend(word[i:j]	)
                          UpperCAmelCase__			:							Dict							=    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__			:							Dict							=    tuple(_lowerCamelCase	)
              UpperCAmelCase__			:							Tuple							=    new_word
              if len(_lowerCamelCase	) == 1:
                    break
              else:
                    UpperCAmelCase__			:							Any							=    get_pairs(_lowerCamelCase	)
        UpperCAmelCase__			:							Any							=    """ """.join(_lowerCamelCase	)
        if word == "\n  " + BPE_TOKEN_MERGES:
              UpperCAmelCase__			:							Tuple							=    """\n""" + BPE_TOKEN_MERGES

        if word.endswith(_lowerCamelCase	):
              UpperCAmelCase__			:							Union[str, Any]							=    word.replace(_lowerCamelCase							,       """"""	)

        UpperCAmelCase__			:							Any							=    word.replace(""" """							,       _lowerCamelCase	)
        UpperCAmelCase__			:							Tuple							=    word
        return word



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        if self.bpe_ranks is None:
              raise ValueError(
                  """This tokenizer was instantiated without a `merges.txt` file, so"""
                  """ that it can only be used for decoding, not for encoding."""
                  """Make sure to provide `merges.txt` file at instantiation to enable """
                  """encoding."""	)

        if self.do_lower_case:
              UpperCAmelCase__			:							Optional[int]							=    text.lower()

        UpperCAmelCase__			:							Union[str, Any]							=    text.split()

        UpperCAmelCase__			:							int							=    []
        for token in text:
              if token:
                    split_tokens.extend(list(self.bpe(_lowerCamelCase	).split(""" """	)	)	)

        return split_tokens



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

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



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        UpperCAmelCase__			:							List[Any]							=    self.decoder.get(_lowerCamelCase							,       self.unk_token	)
        return result



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        UpperCAmelCase__			:							Tuple							=    """ """.join(_lowerCamelCase	)

        # make sure @@ tokens are concatenated
        UpperCAmelCase__			:							Any							=    """""".join(string.split(_lowerCamelCase	)	)

        return string




  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__			:							Optional[int]							=    os.path.join(
            _lowerCamelCase							,       (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]	)
        UpperCAmelCase__			:							str							=    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
        if self.bpe_ranks is None:
              return (vocab_file,)

        with open(_lowerCamelCase							,       """w"""							,       encoding="""utf-8"""	) as writer:
              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 {merges_file}: BPE merge indices are not consecutive."""
                              """ Please check that the tokenizer is not corrupted!"""	)
                          UpperCAmelCase__			:							Dict							=    token_index
                    writer.write(""" """.join(_lowerCamelCase	) + """\n"""	)
                    index += 1

        return (vocab_file, merges_file)




"""simple docstring"""
def 					a__						(						)	-> Union[str, Any]:
      UpperCAmelCase__			:							Dict							=    []
      UpperCAmelCase__			:							Tuple							=    1

      while len(lowerCAmelCase    ) < 1E6:
            constant.append(str(lowerCAmelCase    )    )
            i += 1

      UpperCAmelCase__			:							Any							=    """""".join(lowerCAmelCase    )

      return (
          int(constant[0]    )
          * int(constant[9]    )
          * int(constant[99]    )
          * int(constant[9_99]    )
          * int(constant[99_99]    )
          * int(constant[9_99_99]    )
          * int(constant[99_99_99]    )
      )


if __name__ == "__main__":
    print(solution())

