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

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


lowercase__  :      List[Any]        =					logging.get_logger(__name__)


lowercase__  :      List[str]        =					{
    "vocab_file": "vocab.json",
    "tokenizer_config_file": "tokenizer_config.json",
    "merges_file": "merges.txt",
}

lowercase__  :      Tuple        =					{
    "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"
        ),
    },
}

lowercase__  :      Union[str, Any]        =					"</w>"
lowercase__  :      int        =					"@@ "



def  __lowerCamelCase       (      _UpperCamelCase  :  Dict					):


      '''simple docstring'''


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


# Speech2Text2 has no max input length
lowercase__  :      Optional[Any]        =					{"facebook/s2t-wav2vec2-large-en-de": 1024}







class lowerCamelCase							(	lowerCamelCase					):




  '''simple docstring'''



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






  def __init__(      self			:       List[Any]  ,							UpperCAmelCase__			:       Dict  ,							UpperCAmelCase__			:       int="<s>"  ,							UpperCAmelCase__			:       Optional[int]="<pad>"  ,							UpperCAmelCase__			:       str="</s>"  ,							UpperCAmelCase__			:       List[str]="<unk>"  ,							UpperCAmelCase__			:       Optional[Any]=False  ,							UpperCAmelCase__			:       str=None  ,							**UpperCAmelCase__			:       Tuple  ,							)				->Dict:
        super().__init__(
            unk_token=UpperCAmelCase__  ,							bos_token=UpperCAmelCase__  ,							eos_token=UpperCAmelCase__  ,							pad_token=UpperCAmelCase__  ,							do_lower_case=UpperCAmelCase__  ,							**UpperCAmelCase__  ,							)

        UpperCAmelCase_            =  do_lower_case

        with open(UpperCAmelCase__  ,							encoding='''utf-8'''  ) as vocab_handle:
              UpperCAmelCase_            =  json.load(UpperCAmelCase__  )
        UpperCAmelCase_            =  {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_            =  None
              UpperCAmelCase_            =  None
        else:
              with open(UpperCAmelCase__  ,							encoding='''utf-8'''  ) as merges_handle:
                    UpperCAmelCase_            =  merges_handle.read().split('''\n'''  )[:-1]

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






  @property
  def  lowerCAmelCase__ (      self			:       List[Any]  )				->int:
        return len(self.decoder  )






  def  lowerCAmelCase__ (      self			:       str  )				->Dict:
        return dict(self.encoder  ,							**self.added_tokens_encoder  )






  def  lowerCAmelCase__ (      self			:       Optional[int]  ,							UpperCAmelCase__			:       Optional[Any]  )				->Union[str, Any]:
        UpperCAmelCase_            =  tuple(token[:-1]  ) + (token[-1] + BPE_TOKEN_MERGES,)
        if token in self.cache:
              return self.cache[token]
        UpperCAmelCase_            =  get_pairs(UpperCAmelCase__  )

        if not pairs:
              return token

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

        if word.endswith(UpperCAmelCase__  ):
              UpperCAmelCase_            =  word.replace(UpperCAmelCase__  ,							''''''  )

        UpperCAmelCase_            =  word.replace(''' '''  ,							UpperCAmelCase__  )
        UpperCAmelCase_            =  word
        return word






  def  lowerCAmelCase__ (      self			:       List[Any]  ,							UpperCAmelCase__			:       Dict  )				->Union[str, Any]:

        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_            =  text.lower()

        UpperCAmelCase_            =  text.split()

        UpperCAmelCase_            =  []
        for token in text:
              if token:
                    split_tokens.extend(list(self.bpe(UpperCAmelCase__  ).split(''' '''  )  )  )

        return split_tokens






  def  lowerCAmelCase__ (      self			:       int  ,							UpperCAmelCase__			:       str  )				->int:
        return self.encoder.get(UpperCAmelCase__  ,							self.encoder.get(self.unk_token  )  )






  def  lowerCAmelCase__ (      self			:       Tuple  ,							UpperCAmelCase__			:       int  )				->str:
        UpperCAmelCase_            =  self.decoder.get(UpperCAmelCase__  ,							self.unk_token  )
        return result






  def  lowerCAmelCase__ (      self			:       str  ,							UpperCAmelCase__			:       List[str]  )				->str:
        UpperCAmelCase_            =  ''' '''.join(UpperCAmelCase__  )

        # make sure @@ tokens are concatenated
        UpperCAmelCase_            =  ''''''.join(string.split(UpperCAmelCase__  )  )

        return string






  def  lowerCAmelCase__ (      self			:       int  ,							UpperCAmelCase__			:       str  ,							UpperCAmelCase__			:       Optional[str] = None  )				->Tuple[str]:
        if not os.path.isdir(UpperCAmelCase__  ):
              logger.error(f"""Vocabulary path ({save_directory}) should be a directory"""  )
              return
        UpperCAmelCase_            =  os.path.join(
            UpperCAmelCase__  ,							(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']  )
        UpperCAmelCase_            =  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'''  )

        UpperCAmelCase_            =  0
        if self.bpe_ranks is None:
              return (vocab_file,)

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

        return (vocab_file, merges_file)






'''simple docstring'''
from collections.abc import Callable



def  __lowerCamelCase       (      _UpperCamelCase  :  Callable[[float], float]							,    _UpperCamelCase  :  float							,    _UpperCamelCase  :  float					):


      '''simple docstring'''


      UpperCAmelCase_            =  a
      UpperCAmelCase_            =  b
      if function(_UpperCamelCase					) == 0:  # one of the a or b is a root for the function
            return a
      elif function(_UpperCamelCase					) == 0:
            return b
      elif (
          function(_UpperCamelCase					) * function(_UpperCamelCase					) > 0
      ):  # if none of these are root and they are both positive or negative,
            # then this algorithm can't find the root
            raise ValueError('''could not find root in given interval.'''					)
      else:
            UpperCAmelCase_            =  start + (end - start) / 2.0
            while abs(start - mid					) > 10**-7:  # until precisely equals to 10^-7
                  if function(_UpperCamelCase					) == 0:
                        return mid
                  elif function(_UpperCamelCase					) * function(_UpperCamelCase					) < 0:
                        UpperCAmelCase_            =  mid
                  else:
                        UpperCAmelCase_            =  mid
                  UpperCAmelCase_            =  start + (end - start) / 2.0
            return mid



def  __lowerCamelCase       (      _UpperCamelCase  :  float					):


      '''simple docstring'''


      return x**3 - 2 * x - 5


if __name__ == "__main__":
      print(bisection(f, 1, 1000))

      import doctest

      doctest.testmod()





