
'''simple docstring'''







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

import regex as re

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


__lowerCAmelCase   =       logging.get_logger(__name__)


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

__lowerCAmelCase   =       {
    """vocab_file""": {
        """facebook/blenderbot_small-90M""": """https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/vocab.json"""
    },
    """merges_file""": {
        """facebook/blenderbot_small-90M""": """https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/merges.txt"""
    },
    """tokenizer_config_file""": {
        """facebook/blenderbot_small-90M""": (
            """https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/tokenizer_config.json"""
        )
    },
}

__lowerCAmelCase   =       {"""facebook/blenderbot_small-90M""": 5_1_2}





def    UpperCAmelCase_						(__a :       Dict					):






   """simple docstring"""

   _a							:      Union[str, Any]     =  set()
   _a							:      Union[str, Any]     =  word[0]
   for char in word[1:]:
      pairs.add((prev_char, char)					)
      _a							:      str     =  char

   _a							:      List[Any]     =  set(__a					)
   return pairs







class UpperCAmelCase__      (					lowerCAmelCase_      ):





  """simple docstring"""

  __UpperCAmelCase							:							Any    					=   VOCAB_FILES_NAMES
  __UpperCAmelCase							:							Any    					=   PRETRAINED_VOCAB_FILES_MAP
  __UpperCAmelCase							:							Optional[Any]    					=   PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
  __UpperCAmelCase							:							Any    					=   ['input_ids', 'attention_mask']


  def __init__(						self :	str				,_a :	Dict				,_a :	Optional[Any]				,_a :	int="__start__"				,_a :	List[Any]="__end__"				,_a :	Dict="__unk__"				,_a :	Tuple="__null__"				,**_a :	Optional[Any]				,):


     '''simple docstring'''






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

     with open(__lowerCAmelCase				,encoding='utf-8'			) as vocab_handle:
        _a							:      str     =  json.load(__lowerCAmelCase			)
     _a							:      Union[str, Any]     =  {v: k for k, v in self.encoder.items()}
     with open(__lowerCAmelCase				,encoding='utf-8'			) as merges_handle:
        _a							:      str     =  merges_handle.read().split('\n'			)[1:-1]
     _a							:      Union[str, Any]     =  [tuple(merge.split()			) for merge in merges]
     _a							:      Optional[Any]     =  dict(zip(__lowerCAmelCase				,range(len(__lowerCAmelCase			)			)			)			)
     _a							:      Optional[Any]     =  {}


  @property
  def     __lowercase						(						self :	Optional[Any]			):


     '''simple docstring'''






     return len(self.encoder			)


  def     __lowercase						(						self :	Dict			):


     '''simple docstring'''






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


  def     __lowercase						(						self :	List[Any]				,_a :	str			):


     '''simple docstring'''






     if token in self.cache:
        return self.cache[token]
     _a							:      Optional[int]     =  re.sub('([.,!?()])'				,R' \1'				,__lowerCAmelCase			)
     _a							:      Any     =  re.sub('(\')'				,R' \1 '				,__lowerCAmelCase			)
     _a							:      int     =  re.sub(R'\s{2,}'				,' '				,__lowerCAmelCase			)
     if "\n" in token:
        _a							:      Any     =  token.replace('\n'				,' __newln__'			)

     _a							:      Tuple     =  token.split(' '			)
     _a							:      str     =  []
     for token in tokens:
        if not len(__lowerCAmelCase			):
           continue

        _a							:      List[str]     =  token.lower()
        _a							:      Any     =  tuple(__lowerCAmelCase			)
        _a							:      Dict     =  tuple(list(word[:-1]			) + [word[-1] + '</w>']			)
        _a							:      Any     =  get_pairs(__lowerCAmelCase			)

        if not pairs:
           words.append(__lowerCAmelCase			)
           continue

        while True:
           _a							:      Any     =  min(__lowerCAmelCase				,key=lambda _a			: self.bpe_ranks.get(__lowerCAmelCase				,float('inf'			)			)			)
           if bigram not in self.bpe_ranks:
              break
           _a,    _a							:      Optional[int]     =  bigram
           _a							:      Optional[int]     =  []
           _a							:      Union[str, Any]     =  0

           while i < len(__lowerCAmelCase			):
              try:
                 _a							:      Union[str, Any]     =  word.index(__lowerCAmelCase				,__lowerCAmelCase			)
                 new_word.extend(word[i:j]			)
                 _a							:      List[str]     =  j
              except ValueError:
                 new_word.extend(word[i:]			)
                 break

              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
           _a							:      Union[str, Any]     =  tuple(__lowerCAmelCase			)
           _a							:      Any     =  new_word
           if len(__lowerCAmelCase			) == 1:
              break
           else:
              _a							:      str     =  get_pairs(__lowerCAmelCase			)
        _a							:      List[Any]     =  '@@ '.join(__lowerCAmelCase			)
        _a							:      Optional[Any]     =  word[:-4]

        _a							:      Optional[Any]     =  word
        words.append(__lowerCAmelCase			)
     return " ".join(__lowerCAmelCase			)


  def     __lowercase						(						self :	List[Any]				,_a :	str			):


     '''simple docstring'''






     _a							:      str     =  []

     _a							:      List[Any]     =  re.findall(R'\S+\n?'				,__lowerCAmelCase			)

     for token in words:
        split_tokens.extend(list(self.bpe(__lowerCAmelCase			).split(' '			)			)			)
     return split_tokens


  def     __lowercase						(						self :	Optional[int]				,_a :	str			):


     '''simple docstring'''






     _a							:      List[Any]     =  token.lower()
     return self.encoder.get(__lowerCAmelCase				,self.encoder.get(self.unk_token			)			)


  def     __lowercase						(						self :	int				,_a :	int			):


     '''simple docstring'''






     return self.decoder.get(__lowerCAmelCase				,self.unk_token			)


  def     __lowercase						(						self :	Tuple				,_a :	List[str]			):


     '''simple docstring'''






     _a							:      str     =  ' '.join(__lowerCAmelCase			).replace('@@ '				,''			).strip()
     return out_string


  def     __lowercase						(						self :	Union[str, Any]				,_a :	str				,_a :	Optional[str] = None			):


     '''simple docstring'''






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

     _a							:      List[Any]     =  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 _a			: 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!'			)
              _a							:      Union[str, Any]     =  token_index
           writer.write(' '.join(__lowerCAmelCase			) + '\n'			)
           index += 1

     return vocab_file, merge_file




"""simple docstring"""


from math import isqrt






def      __UpperCAmelCase       (      lowercase		):







  """simple docstring"""
  _UpperCAmelCase    			=   [True] * max_number
  for i in range(2 ,isqrt(max_number - 1		) + 1		):
    if is_prime[i]:
      for j in range(i**2 ,lowercase ,lowercase		):
        _UpperCAmelCase    			=   False

  return [i for i in range(2 ,lowercase		) if is_prime[i]]






def      __UpperCAmelCase       (      lowercase = 10**8		):







  """simple docstring"""
  _UpperCAmelCase    			=   calculate_prime_numbers(max_number // 2		)

  _UpperCAmelCase    			=   0
  _UpperCAmelCase    			=   0
  _UpperCAmelCase    			=   len(lowercase		) - 1
  while left <= right:
    while prime_numbers[left] * prime_numbers[right] >= max_number:
      right -= 1
    semiprimes_count += right - left + 1
    left += 1

  return semiprimes_count


if __name__ == "__main__":
    print(F'''{solution() = }''')
