
"""simple docstring"""

import json
import os
from typing import Dict, List, Optional, Tuple

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


UpperCamelCase     :    Optional[int]       =			logging.get_logger(__name__)


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

UpperCamelCase     :    str       =			{
    "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"
        ),
    },
}

UpperCamelCase     :    List[str]       =			"</w>"
UpperCamelCase     :    List[Any]       =			"@@ "






def 							A						(    snake_case				:Dict		)				->     Optional[int]:






 """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
UpperCamelCase     :    int       =			{"facebook/s2t-wav2vec2-large-en-de": 1_0_2_4}





class __lowerCAmelCase		(				snake_case__      ):
     lowercase						       =						VOCAB_FILES_NAMES
     lowercase						       =						PRETRAINED_VOCAB_FILES_MAP
     lowercase						       =						PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
     lowercase						       =						["""input_ids""", """attention_mask"""]





     def __init__(     self     ,					__UpperCAmelCase     ,					__UpperCAmelCase="<s>"     ,					__UpperCAmelCase="<pad>"     ,					__UpperCAmelCase="</s>"     ,					__UpperCAmelCase="<unk>"     ,					__UpperCAmelCase=False     ,					__UpperCAmelCase=None     ,					**__UpperCAmelCase     ,					):

      '''simple docstring'''




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

      __UpperCamelCase      =	do_lower_case

      with open(_A     ,					encoding='utf-8'				) as vocab_handle:
       __UpperCamelCase      =	json.load(_A				)
      __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(_A     ,					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(_A     ,					range(len(_A				)				)				)				)
       __UpperCamelCase      =	{}





     @property
     def 						UpperCAmelCase (     self				):

      '''simple docstring'''




      return len(self.decoder				)





     def 						UpperCAmelCase (     self				):

      '''simple docstring'''




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





     def 						UpperCAmelCase (     self     ,					__UpperCAmelCase				):

      '''simple docstring'''




      __UpperCamelCase      =	tuple(token[:-1]				) + (token[-1] + BPE_TOKEN_MERGES,)
      if token in self.cache:
       return self.cache[token]
      __UpperCamelCase      =	get_pairs(_A				)

      if not pairs:
       return token

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

        if word[i] == first and i < len(_A				) - 1 and word[i + 1] == second:
         new_word.append(first + second				)
         i += 2
        else:
         new_word.append(word[i]				)
         i += 1
       __UpperCamelCase      =	tuple(_A				)
       __UpperCamelCase      =	new_word
       if len(_A				) == 1:
        break
       else:
        __UpperCamelCase      =	get_pairs(_A				)
      __UpperCamelCase      =	' '.join(_A				)
      if word == "\n  " + BPE_TOKEN_MERGES:
       __UpperCamelCase      =	'\n' + BPE_TOKEN_MERGES

      if word.endswith(_A				):
       __UpperCamelCase      =	word.replace(_A     ,					''				)

      __UpperCamelCase      =	word.replace(' '     ,					_A				)
      __UpperCamelCase      =	word
      return word





     def 						UpperCAmelCase (     self     ,					__UpperCAmelCase				):

      '''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      =	text.lower()

      __UpperCamelCase      =	text.split()

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

      return split_tokens





     def 						UpperCAmelCase (     self     ,					__UpperCAmelCase				):

      '''simple docstring'''




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





     def 						UpperCAmelCase (     self     ,					__UpperCAmelCase				):

      '''simple docstring'''




      __UpperCamelCase      =	self.decoder.get(_A     ,					self.unk_token				)
      return result





     def 						UpperCAmelCase (     self     ,					__UpperCAmelCase				):

      '''simple docstring'''




      __UpperCamelCase      =	' '.join(_A				)

      # make sure @@ tokens are concatenated
      __UpperCamelCase      =	''.join(string.split(_A				)				)

      return string







     def 						UpperCAmelCase (     self     ,					__UpperCAmelCase     ,					__UpperCAmelCase = None				):

      '''simple docstring'''




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

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

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

      with open(_A     ,					'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(_A				) + '\n'				)
        index += 1

      return (vocab_file, merges_file)





"""simple docstring"""

from __future__ import annotations

from typing import Any






def 							A						(    snake_case				:list		)				->     int:
 if not postfix_notation:
  return 0

 __UpperCamelCase      =	{'+', '-', '*', '/'}
 __UpperCamelCase      =	[]

 for token in postfix_notation:
  if token in operations:
   __UpperCamelCase  ,     __UpperCamelCase      =	stack.pop(), stack.pop()
   if token == "+":
    stack.append(a + b		)
   elif token == "-":
    stack.append(a - b		)
   elif token == "*":
    stack.append(a * b		)
   else:
    if a * b < 0 and a % b != 0:
     stack.append(a // b + 1		)
    else:
     stack.append(a // b		)
  else:
   stack.append(int(snake_case		)		)

 return stack.pop()


if __name__ == "__main__":
      import doctest

      doctest.testmod()



