




import json
import os
from functools import lru_cache
from typing import List, Optional, Tuple

import regex as re

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


a_      						=   logging.get_logger(__name__)


a_      						=   {"vocab_file": "vocab.json", "merges_file": "merges.txt"}

# See all MVP models at https://huggingface.co/models?filter=mvp
a_      						=   {
    "vocab_file": {
        "RUCAIBox/mvp": "https://huggingface.co/RUCAIBox/mvp/resolve/main/vocab.json",
    },
    "added_tokens.json": {
        "RUCAIBox/mvp": "https://huggingface.co/RUCAIBox/mvp/resolve/main/added_tokens.json",
    },
    "merges_file": {
        "RUCAIBox/mvp": "https://huggingface.co/RUCAIBox/mvp/resolve/main/merges.txt",
    },
}

a_      						=   {
    "RUCAIBox/mvp": 1024,
}




@lru_cache()
def     __SCREAMING_SNAKE_CASE      (     )				->		Optional[Any]:

    """simple docstring"""


    __UpperCamelCase     						=  (
        list(range(ord('''!'''					)    ,   ord('''~'''					) + 1					)					) + list(range(ord('''¡'''					)    ,   ord('''¬'''					) + 1					)					) + list(range(ord('''®'''					)    ,   ord('''ÿ'''					) + 1					)					)
    )
    __UpperCamelCase     						=  bs[:]
    __UpperCamelCase     						=  0
    for b in range(2**8					):
        if b not in bs:
            bs.append(lowercase_					)
            cs.append(2**8 + n					)
            n += 1
    __UpperCamelCase     						=  [chr(lowercase_					) for n in cs]
    return dict(zip(lowercase_    ,   lowercase_					)					)




def     __SCREAMING_SNAKE_CASE      (     lowercase_					)				->		Optional[Any]:

    """simple docstring"""


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


class        _lowerCamelCase  (	_SCREAMING_SNAKE_CASE      ):

      """simple docstring"""

      lowerCAmelCase__	:       int			=    VOCAB_FILES_NAMES
      lowerCAmelCase__	:       int			=    PRETRAINED_VOCAB_FILES_MAP
      lowerCAmelCase__	:       str			=    PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
      lowerCAmelCase__	:       str			=    ["input_ids", "attention_mask"]







      def __init__(   self    :       List[Any]       ,				snake_case    :       List[str]       ,				snake_case    :       Any       ,				snake_case    :       int="replace"       ,				snake_case    :       Optional[int]="<s>"       ,				snake_case    :       List[Any]="</s>"       ,				snake_case    :       str="</s>"       ,				snake_case    :       Optional[Any]="<s>"       ,				snake_case    :       Any="<unk>"       ,				snake_case    :       List[Any]="<pad>"       ,				snake_case    :       int="<mask>"       ,				snake_case    :       List[Any]=False       ,				**snake_case    :       Tuple       ,				):
          __UpperCamelCase     						=  AddedToken(snake_case       ,				lstrip=snake_case       ,				rstrip=snake_case ) if isinstance(snake_case       ,				snake_case ) else bos_token
          __UpperCamelCase     						=  AddedToken(snake_case       ,				lstrip=snake_case       ,				rstrip=snake_case ) if isinstance(snake_case       ,				snake_case ) else eos_token
          __UpperCamelCase     						=  AddedToken(snake_case       ,				lstrip=snake_case       ,				rstrip=snake_case ) if isinstance(snake_case       ,				snake_case ) else sep_token
          __UpperCamelCase     						=  AddedToken(snake_case       ,				lstrip=snake_case       ,				rstrip=snake_case ) if isinstance(snake_case       ,				snake_case ) else cls_token
          __UpperCamelCase     						=  AddedToken(snake_case       ,				lstrip=snake_case       ,				rstrip=snake_case ) if isinstance(snake_case       ,				snake_case ) else unk_token
          __UpperCamelCase     						=  AddedToken(snake_case       ,				lstrip=snake_case       ,				rstrip=snake_case ) if isinstance(snake_case       ,				snake_case ) else pad_token

          # Mask token behave like a normal word, i.e. include the space before it
          __UpperCamelCase     						=  AddedToken(snake_case       ,				lstrip=snake_case       ,				rstrip=snake_case ) if isinstance(snake_case       ,				snake_case ) else mask_token

          super().__init__(
              errors=snake_case       ,				bos_token=snake_case       ,				eos_token=snake_case       ,				unk_token=snake_case       ,				sep_token=snake_case       ,				cls_token=snake_case       ,				pad_token=snake_case       ,				mask_token=snake_case       ,				add_prefix_space=snake_case       ,				**snake_case       ,				)
          with open(snake_case       ,				encoding='''utf-8''' ) as vocab_handle:
              __UpperCamelCase     						=  json.load(snake_case )
          __UpperCamelCase     						=  {v: k for k, v in self.encoder.items()}
          __UpperCamelCase     						=  errors  # how to handle errors in decoding
          __UpperCamelCase     						=  bytes_to_unicode()
          __UpperCamelCase     						=  {v: k for k, v in self.byte_encoder.items()}
          with open(snake_case       ,				encoding='''utf-8''' ) as merges_handle:
              __UpperCamelCase     						=  merges_handle.read().split('''\n''' )[1:-1]
          __UpperCamelCase     						=  [tuple(merge.split() ) for merge in bpe_merges]
          __UpperCamelCase     						=  dict(zip(snake_case       ,				range(len(snake_case ) ) ) )
          __UpperCamelCase     						=  {}
          __UpperCamelCase     						=  add_prefix_space

          # Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
          __UpperCamelCase     						=  re.compile(R'''\'s|\'t|\'re|\'ve|\'m|\'ll|\'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+''' )







      @property
      def 					snake_case		(   self    :       List[str] ):
          return len(self.encoder )







      def 					snake_case		(   self    :       Dict ):
          return dict(self.encoder       ,				**self.added_tokens_encoder )







      def 					snake_case		(   self    :       Tuple       ,				snake_case    :       Union[str, Any] ):
          if token in self.cache:
              return self.cache[token]
          __UpperCamelCase     						=  tuple(snake_case )
          __UpperCamelCase     						=  get_pairs(snake_case )

          if not pairs:
              return token

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

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







      def 					snake_case		(   self    :       List[str]       ,				snake_case    :       Any ):
          __UpperCamelCase     						=  []
          for token in re.findall(self.pat       ,				snake_case ):
              __UpperCamelCase     						=  ''''''.join(
                  self.byte_encoder[b] for b in token.encode('''utf-8''' ) )  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
              bpe_tokens.extend(bpe_token for bpe_token in self.bpe(snake_case ).split(''' ''' ) )
          return bpe_tokens







      def 					snake_case		(   self    :       Optional[int]       ,				snake_case    :       Union[str, Any] ):
          return self.encoder.get(snake_case       ,				self.encoder.get(self.unk_token ) )







      def 					snake_case		(   self    :       Optional[Any]       ,				snake_case    :       List[str] ):
          return self.decoder.get(snake_case )







      def 					snake_case		(   self    :       str       ,				snake_case    :       Optional[int] ):
          __UpperCamelCase     						=  ''''''.join(snake_case )
          __UpperCamelCase     						=  bytearray([self.byte_decoder[c] for c in text] ).decode('''utf-8'''       ,				errors=self.errors )
          return text







      def 					snake_case		(   self    :       str       ,				snake_case    :       str       ,				snake_case    :       Optional[str] = None ):
          if not os.path.isdir(snake_case ):
              logger.error(F"Vocabulary path ({save_directory}) should be a directory" )
              return
          __UpperCamelCase     						=  os.path.join(
              snake_case       ,				(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file'''] )
          __UpperCamelCase     						=  os.path.join(
              snake_case       ,				(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''merges_file'''] )

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

          __UpperCamelCase     						=  0
          with open(snake_case       ,				'''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 snake_case : 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(snake_case ) + '''\n''' )
                  index += 1

          return vocab_file, merge_file







      def 					snake_case		(   self    :       Union[str, Any]       ,				snake_case    :       List[int]       ,				snake_case    :       Optional[List[int]] = None ):
          if token_ids_a is None:
              return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
          __UpperCamelCase     						=  [self.cls_token_id]
          __UpperCamelCase     						=  [self.sep_token_id]
          return cls + token_ids_a + sep + sep + token_ids_a + sep







      def 					snake_case		(   self    :       Any       ,				snake_case    :       List[int]       ,				snake_case    :       Optional[List[int]] = None       ,				snake_case    :       bool = False ):
          if already_has_special_tokens:
              return super().get_special_tokens_mask(
                  token_ids_a=snake_case       ,				token_ids_a=snake_case       ,				already_has_special_tokens=snake_case )

          if token_ids_a is None:
              return [1] + ([0] * len(snake_case )) + [1]
          return [1] + ([0] * len(snake_case )) + [1, 1] + ([0] * len(snake_case )) + [1]







      def 					snake_case		(   self    :       int       ,				snake_case    :       List[int]       ,				snake_case    :       Optional[List[int]] = None ):
          __UpperCamelCase     						=  [self.sep_token_id]
          __UpperCamelCase     						=  [self.cls_token_id]

          if token_ids_a is None:
              return len(cls + token_ids_a + sep ) * [0]
          return len(cls + token_ids_a + sep + sep + token_ids_a + sep ) * [0]







      def 					snake_case		(   self    :       int       ,				snake_case    :       Union[str, Any]       ,				snake_case    :       int=False       ,				**snake_case    :       Any ):
          __UpperCamelCase     						=  kwargs.pop('''add_prefix_space'''       ,				self.add_prefix_space )
          if (is_split_into_words or add_prefix_space) and (len(snake_case ) > 0 and not text[0].isspace()):
              __UpperCamelCase     						=  ''' ''' + text
          return (text, kwargs)












def     __SCREAMING_SNAKE_CASE      (     lowercase_					)				->		bool:

    """simple docstring"""


    if not isinstance(lowercase_    ,   lowercase_					):
        __UpperCamelCase     						=  F"Input value of [number={number}] must be an integer"
        raise TypeError(lowercase_					)
    if number < 0 or number % 2 == 1:
        return False
    __UpperCamelCase     						=  int(number**0.5					)
    return number == number_sqrt * (number_sqrt + 1)


if __name__ == "__main__":
 import doctest

 doctest.testmod()






