





import os
import re
from shutil import copyfile
from typing import List, Optional, Tuple

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


_snake_case    :       Any		       =    logging.get_logger(__name__)

_snake_case    :       Union[str, Any]		       =    {
    'vocab_file': 'vocab.txt',
    'merges_file': 'bpe.codes',
}

_snake_case    :       List[Any]		       =    {
    'vocab_file': {
        'vinai/phobert-base': 'https://huggingface.co/vinai/phobert-base/resolve/main/vocab.txt',
        'vinai/phobert-large': 'https://huggingface.co/vinai/phobert-large/resolve/main/vocab.txt',
    },
    'merges_file': {
        'vinai/phobert-base': 'https://huggingface.co/vinai/phobert-base/resolve/main/bpe.codes',
        'vinai/phobert-large': 'https://huggingface.co/vinai/phobert-large/resolve/main/bpe.codes',
    },
}

_snake_case    :       Union[str, Any]		       =    {
    'vinai/phobert-base': 256,
    'vinai/phobert-large': 256,
}

def     a_       (					lowerCAmelCase_ :     List[Any]      ):
   __lowerCAmelCase				      =      set()
   __lowerCAmelCase				      =      word[0]
   for char in word[1:]:
      pairs.add((prev_char, char)      )
      __lowerCAmelCase				      =      char

   __lowerCAmelCase				      =      set(__A      )
   return pairs




class 							_UpperCAmelCase       (       _UpperCamelCase       ):

  """simple docstring"""


  a_              =					VOCAB_FILES_NAMES
  a_              =					PRETRAINED_VOCAB_FILES_MAP
  a_              =					PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES






  def __init__(							self					:						Any   ,    lowerCAmelCase_					:						Union[str, Any]   ,    lowerCAmelCase_					:						Optional[Any]   ,    lowerCAmelCase_					:						str="<s>"   ,    lowerCAmelCase_					:						List[Any]="</s>"   ,    lowerCAmelCase_					:						Optional[int]="</s>"   ,    lowerCAmelCase_					:						Optional[int]="<s>"   ,    lowerCAmelCase_					:						Union[str, Any]="<unk>"   ,    lowerCAmelCase_					:						Tuple="<pad>"   ,    lowerCAmelCase_					:						Tuple="<mask>"   ,    **lowerCAmelCase_					:						int   ,    )				->		Optional[Any]:
     super().__init__(
         bos_token=lowerCAmelCase_   ,    eos_token=lowerCAmelCase_   ,    unk_token=lowerCAmelCase_   ,    sep_token=lowerCAmelCase_   ,    cls_token=lowerCAmelCase_   ,    pad_token=lowerCAmelCase_   ,    mask_token=lowerCAmelCase_   ,    **lowerCAmelCase_   ,    )

     __lowerCAmelCase				      =      vocab_file
     __lowerCAmelCase				      =      merges_file

     __lowerCAmelCase				      =      {}
     __lowerCAmelCase				      =      0
     __lowerCAmelCase				      =      1
     __lowerCAmelCase				      =      2
     __lowerCAmelCase				      =      3

     self.add_from_file(lowerCAmelCase_	)

     __lowerCAmelCase				      =      {v: k for k, v in self.encoder.items()}

     with open(lowerCAmelCase_   ,    encoding='utf-8'	) as merges_handle:
        __lowerCAmelCase				      =      merges_handle.read().split('\n'	)[:-1]
     __lowerCAmelCase				      =      [tuple(merge.split()[:-1]	) for merge in merges]
     __lowerCAmelCase				      =      dict(zip(lowerCAmelCase_   ,    range(len(lowerCAmelCase_	)	)	)	)
     __lowerCAmelCase				      =      {}






  def 							lowercase						(							self					:						List[str]   ,    lowerCAmelCase_					:						Dict   ,    lowerCAmelCase_					:						Optional[Any] = None	)				->		List[int]:



     if token_ids_a is None:
        return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
     __lowerCAmelCase				      =      [self.cls_token_id]
     __lowerCAmelCase				      =      [self.sep_token_id]
     return cls + token_ids_a + sep + sep + token_ids_a + sep






  def 							lowercase						(							self					:						List[Any]   ,    lowerCAmelCase_					:						str   ,    lowerCAmelCase_					:						List[str] = None   ,    lowerCAmelCase_					:						Any = False	)				->		List[int]:



     if already_has_special_tokens:
        return super().get_special_tokens_mask(
            token_ids_a=lowerCAmelCase_   ,    token_ids_a=lowerCAmelCase_   ,    already_has_special_tokens=lowerCAmelCase_	)

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






  def 							lowercase						(							self					:						Optional[int]   ,    lowerCAmelCase_					:						Dict   ,    lowerCAmelCase_					:						Tuple = None	)				->		List[int]:
     __lowerCAmelCase				      =      [self.sep_token_id]
     __lowerCAmelCase				      =      [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]






  @property
  def 							lowercase						(							self					:						Optional[int]	)				->		Union[str, Any]:
     return len(self.encoder	)






  def 							lowercase						(							self					:						Union[str, Any]	)				->		Union[str, Any]:
     return dict(self.encoder   ,    **self.added_tokens_encoder	)






  def 							lowercase						(							self					:						Optional[int]   ,    lowerCAmelCase_					:						Tuple	)				->		Tuple:



     if token in self.cache:
        return self.cache[token]
     __lowerCAmelCase				      =      tuple(lowerCAmelCase_	)
     __lowerCAmelCase				      =      tuple(list(word[:-1]	) + [word[-1] + '</w>']	)
     __lowerCAmelCase				      =      get_pairs(lowerCAmelCase_	)

     if not pairs:
        return token

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

           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
        __lowerCAmelCase				      =      tuple(lowerCAmelCase_	)
        __lowerCAmelCase				      =      new_word
        if len(lowerCAmelCase_	) == 1:
           break
        else:
           __lowerCAmelCase				      =      get_pairs(lowerCAmelCase_	)
     __lowerCAmelCase				      =      '@@ '.join(lowerCAmelCase_	)
     __lowerCAmelCase				      =      word[:-4]
     __lowerCAmelCase				      =      word
     return word






  def 							lowercase						(							self					:						str   ,    lowerCAmelCase_					:						Optional[int]	)				->		str:
     __lowerCAmelCase				      =      []

     __lowerCAmelCase				      =      re.findall(R'\S+\n?'   ,    lowerCAmelCase_	)

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






  def 							lowercase						(							self					:						List[Any]   ,    lowerCAmelCase_					:						Optional[int]	)				->		Dict:
     return self.encoder.get(lowerCAmelCase_   ,    self.encoder.get(self.unk_token	)	)






  def 							lowercase						(							self					:						Any   ,    lowerCAmelCase_					:						int	)				->		Any:
     return self.decoder.get(lowerCAmelCase_   ,    self.unk_token	)






  def 							lowercase						(							self					:						Union[str, Any]   ,    lowerCAmelCase_					:						Dict	)				->		int:
     __lowerCAmelCase				      =      ' '.join(lowerCAmelCase_	).replace('@@ '   ,    ''	).strip()
     return out_string






  def 							lowercase						(							self					:						Tuple   ,    lowerCAmelCase_					:						Any   ,    lowerCAmelCase_					:						Optional[int] = None	)				->		Tuple[str]:



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

     if os.path.abspath(self.vocab_file	) != os.path.abspath(lowerCAmelCase_	):
        copyfile(self.vocab_file   ,    lowerCAmelCase_	)

     if os.path.abspath(self.merges_file	) != os.path.abspath(lowerCAmelCase_	):
        copyfile(self.merges_file   ,    lowerCAmelCase_	)

     return out_vocab_file, out_merge_file






  def 							lowercase						(							self					:						Optional[Any]   ,    lowerCAmelCase_					:						Dict	)				->		List[Any]:



     if isinstance(lowerCAmelCase_   ,    lowerCAmelCase_	):
        try:
           with open(lowerCAmelCase_   ,    'r'   ,    encoding='utf-8'	) as fd:
              self.add_from_file(lowerCAmelCase_	)
        except FileNotFoundError as fnfe:
           raise fnfe
        except UnicodeError:
           raise Exception(f"""Incorrect encoding detected in {f}, please rebuild the dataset"""	)
        return

     __lowerCAmelCase				      =      f.readlines()
     for lineTmp in lines:
        __lowerCAmelCase				      =      lineTmp.strip()
        __lowerCAmelCase				      =      line.rfind(' '	)
        if idx == -1:
           raise ValueError('Incorrect dictionary format, expected \'<token> <cnt>\''	)
        __lowerCAmelCase				      =      line[:idx]
        __lowerCAmelCase				      =      len(self.encoder	)






'''simple docstring'''





def lowerCAmelCase    (__A):



     """simple docstring"""



     if not isinstance(__A    ,      __A):
          raise ValueError('''multiplicative_persistence() only accepts integral values''')
     if num < 0:
          raise ValueError('''multiplicative_persistence() does not accept negative values''')

     _a           =    0
     _a           =    str(__A)

     while len(__A) != 1:
          _a           =    [int(__A) for i in num_string]

          _a           =    1
          for i in range(0    ,      len(__A)):
               total *= numbers[i]

          _a           =    str(__A)

          steps += 1
     return steps




def lowerCAmelCase    (__A):



     """simple docstring"""



     if not isinstance(__A    ,      __A):
          raise ValueError('''additive_persistence() only accepts integral values''')
     if num < 0:
          raise ValueError('''additive_persistence() does not accept negative values''')

     _a           =    0
     _a           =    str(__A)

     while len(__A) != 1:
          _a           =    [int(__A) for i in num_string]

          _a           =    0
          for i in range(0    ,      len(__A)):
               total += numbers[i]

          _a           =    str(__A)

          steps += 1
     return steps


if __name__ == "__main__":
  import doctest

  doctest.testmod()



