


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

import regex as re

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


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_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"
        )
    },
}

A      = {"facebook/blenderbot_small-90M": 512}





def __UpperCAmelCase       (		__A			)						->					Union[str, Any]:



       '''simple docstring'''





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

       UpperCAmelCase__										=     set(__A			)
       return pairs




class     lowercase__  (					__SCREAMING_SNAKE_CASE		):
  A__=  VOCAB_FILES_NAMES
  A__=  PRETRAINED_VOCAB_FILES_MAP
  A__=  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
  A__=  ['input_ids', 'attention_mask']






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




         """simple docstring"""







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

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






  @property
  def 			_UpperCAmelCase  (					self      :					Optional[int] ):




         """simple docstring"""







         return len(self.encoder )






  def 			_UpperCAmelCase  (					self      :					str ):




         """simple docstring"""







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






  def 			_UpperCAmelCase  (					self      :					Dict		,						_lowercase      :					str ):




         """simple docstring"""







         if token in self.cache:
                return self.cache[token]
         UpperCAmelCase__										=     re.sub("([.,!?()])"		,						r" \1"		,						_lowercase )
         UpperCAmelCase__										=     re.sub("(')"		,						r" \1 "		,						_lowercase )
         UpperCAmelCase__										=     re.sub(r"\s{2,}"		,						" "		,						_lowercase )
         if "\n" in token:
                UpperCAmelCase__										=     token.replace("\n"		,						" __newln__" )

         UpperCAmelCase__										=     token.split(" " )
         UpperCAmelCase__										=     []
         for token in tokens:
                if not len(_lowercase ):
                       continue

                UpperCAmelCase__										=     token.lower()
                UpperCAmelCase__										=     tuple(_lowercase )
                UpperCAmelCase__										=     tuple(list(word[:-1] ) + [word[-1] + "</w>"] )
                UpperCAmelCase__										=     get_pairs(_lowercase )

                if not pairs:
                       words.append(_lowercase )
                       continue

                while True:
                       UpperCAmelCase__										=     min(_lowercase		,						key=lambda _lowercase : self.bpe_ranks.get(_lowercase		,						float("inf" ) ) )
                       if bigram not in self.bpe_ranks:
                              break
                       UpperCAmelCase__						,			UpperCAmelCase__										=     bigram
                       UpperCAmelCase__										=     []
                       UpperCAmelCase__										=     0

                       while i < len(_lowercase ):
                              try:
                                     UpperCAmelCase__										=     word.index(_lowercase		,						_lowercase )
                                     new_word.extend(word[i:j] )
                                     UpperCAmelCase__										=     j
                              except ValueError:
                                     new_word.extend(word[i:] )
                                     break

                              if word[i] == first and i < len(_lowercase ) - 1 and word[i + 1] == second:
                                     new_word.append(first + second )
                                     i += 2
                              else:
                                     new_word.append(word[i] )
                                     i += 1
                       UpperCAmelCase__										=     tuple(_lowercase )
                       UpperCAmelCase__										=     new_word
                       if len(_lowercase ) == 1:
                              break
                       else:
                              UpperCAmelCase__										=     get_pairs(_lowercase )
                UpperCAmelCase__										=     "@@ ".join(_lowercase )
                UpperCAmelCase__										=     word[:-4]

                UpperCAmelCase__										=     word
                words.append(_lowercase )
         return " ".join(_lowercase )






  def 			_UpperCAmelCase  (					self      :					Optional[int]		,						_lowercase      :					str ):




         """simple docstring"""







         UpperCAmelCase__										=     []

         UpperCAmelCase__										=     re.findall(r"\S+\n?"		,						_lowercase )

         for token in words:
                split_tokens.extend(list(self.bpe(_lowercase ).split(" " ) ) )
         return split_tokens






  def 			_UpperCAmelCase  (					self      :					List[str]		,						_lowercase      :					str ):




         """simple docstring"""







         UpperCAmelCase__										=     token.lower()
         return self.encoder.get(_lowercase		,						self.encoder.get(self.unk_token ) )






  def 			_UpperCAmelCase  (					self      :					Any		,						_lowercase      :					int ):




         """simple docstring"""







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






  def 			_UpperCAmelCase  (					self      :					List[str]		,						_lowercase      :					List[str] ):




         """simple docstring"""







         UpperCAmelCase__										=     " ".join(_lowercase ).replace("@@ "		,						"" ).strip()
         return out_string






  def 			_UpperCAmelCase  (					self      :					Any		,						_lowercase      :					str		,						_lowercase      :					Optional[str] = None ):




         """simple docstring"""







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

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

         UpperCAmelCase__										=     0
         with open(_lowercase		,						"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 _lowercase : 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!" )
                              UpperCAmelCase__										=     token_index
                       writer.write(" ".join(_lowercase ) + "\n" )
                       index += 1

         return vocab_file, merge_file









from __future__ import annotations





def __UpperCAmelCase       (		__A			)						->					list[int]:



       '''simple docstring'''





       UpperCAmelCase__										=     [True] * limit
       UpperCAmelCase__										=     False
       UpperCAmelCase__										=     False
       UpperCAmelCase__										=     True

       for i in range(3 ,						int(limit**0.5 + 1			) ,						2			):
              UpperCAmelCase__										=     i * 2
              while index < limit:
                     UpperCAmelCase__										=     False
                     UpperCAmelCase__										=     index + i

       UpperCAmelCase__										=     [2]

       for i in range(3 ,						__A ,						2			):
              if is_prime[i]:
                     primes.append(__A			)

       return primes





def __UpperCAmelCase       (		__A = 1_0_0_0_0_0_0			)						->					int:



       '''simple docstring'''





       UpperCAmelCase__										=     prime_sieve(__A			)
       UpperCAmelCase__										=     0
       UpperCAmelCase__										=     0

       for i in range(len(__A			)			):
              for j in range(i + length ,						len(__A			)			):
                     UpperCAmelCase__										=     sum(primes[i:j]			)
                     if sol >= ceiling:
                            break

                     if sol in primes:
                            UpperCAmelCase__										=     j - i
                            UpperCAmelCase__										=     sol

       return largest


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





