

"""simple docstring"""




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

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


__UpperCAmelCase	=			logging.get_logger(__name__)

__UpperCAmelCase	=			{
    'vocab_file': 'vocab.json',
    'merges_file': 'merges.txt',
}

__UpperCAmelCase	=			{
    'vocab_file': {
        'microsoft/biogpt': 'https://huggingface.co/microsoft/biogpt/resolve/main/vocab.json',
    },
    'merges_file': {'microsoft/biogpt': 'https://huggingface.co/microsoft/biogpt/resolve/main/merges.txt'},
}

__UpperCAmelCase	=			{
    'microsoft/biogpt': 1024,
}
def 					lowerCAmelCase  (   __UpperCamelCase ):
 '''simple docstring'''





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







class        __lowercase     (      __lowerCamelCase   ):
  snake_case_			    =    VOCAB_FILES_NAMES
  snake_case_			    =    PRETRAINED_VOCAB_FILES_MAP
  snake_case_			    =    PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
  snake_case_			    =    ["""input_ids""", """attention_mask"""]

  def __init__(					self						:     str   ,A						:     List[str]   ,A						:     Optional[Any]   ,A						:     Tuple="<unk>"   ,A						:     Optional[Any]="<s>"   ,A						:     Optional[int]="</s>"   ,A						:     int="</s>"   ,A						:     str="<pad>"   ,**A						:     str   ,):






   '''simple docstring'''
   super().__init__(
       bos_token=A   ,eos_token=A   ,sep_token=A   ,unk_token=A   ,pad_token=A   ,**A   ,)

   try:
    import sacremoses
   except ImportError:
    raise ImportError(
        """You need to install sacremoses to use BioGptTokenizer. """
        """See https://pypi.org/project/sacremoses/ for installation."""      )

   UpperCAmelCase__   :					List[str]   				=   """en"""
   UpperCAmelCase__   :					Dict   				=   sacremoses
   # cache of sm.MosesTokenizer instance
   UpperCAmelCase__   :					Union[str, Any]   				=   {}
   UpperCAmelCase__   :					Tuple   				=   {}
   with open(A   ,encoding="""utf-8"""      ) as vocab_handle:
    UpperCAmelCase__   :					str   				=   json.load(A      )
   UpperCAmelCase__   :					List[Any]   				=   {v: k for k, v in self.encoder.items()}
   with open(A   ,encoding="""utf-8"""      ) as merges_handle:
    UpperCAmelCase__   :					Any   				=   merges_handle.read().split("""\n"""      )[:-1]
   UpperCAmelCase__   :					Tuple   				=   [tuple(merge.split()[:2]      ) for merge in merges]
   UpperCAmelCase__   :					Union[str, Any]   				=   dict(zip(A   ,range(len(A      )      )      )      )
   UpperCAmelCase__   :					int   				=   {}

  @property
  def 				__lowercase    (					self						:     str      ):






   '''simple docstring'''
   return len(self.encoder      )

  def 				__lowercase    (					self						:     List[Any]      ):






   '''simple docstring'''
   return dict(self.encoder   ,**self.added_tokens_encoder      )

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






   '''simple docstring'''
   if lang not in self.cache_moses_tokenizer:
    UpperCAmelCase__   :					Union[str, Any]   				=   self.sm.MosesTokenizer(lang=A      )
    UpperCAmelCase__   :					Dict   				=   moses_tokenizer
   return self.cache_moses_tokenizer[lang].tokenize(
       A   ,aggressive_dash_splits=A   ,return_str=A   ,escape=A      )

  def 				__lowercase    (					self						:     List[Any]   ,A						:     Dict   ,A						:     Any      ):






   '''simple docstring'''
   if lang not in self.cache_moses_detokenizer:
    UpperCAmelCase__   :					Union[str, Any]   				=   self.sm.MosesDetokenizer(lang=A      )
    UpperCAmelCase__   :					Dict   				=   moses_detokenizer
   return self.cache_moses_detokenizer[lang].detokenize(A      )

  def 				__lowercase    (					self						:     Optional[int]   ,A						:     Union[str, Any]      ):






   '''simple docstring'''
   UpperCAmelCase__   :					int   				=   tuple(token[:-1]      ) + (token[-1] + """</w>""",)
   if token in self.cache:
    return self.cache[token]
   UpperCAmelCase__   :					int   				=   get_pairs(A      )

   if not pairs:
    return token + "</w>"

   while True:
    UpperCAmelCase__   :					List[Any]   				=   min(A   ,key=lambda A      : self.bpe_ranks.get(A   ,float("""inf"""      )      )      )
    if bigram not in self.bpe_ranks:
     break
    UpperCAmelCase__				, UpperCAmelCase__   :					int   				=   bigram
    UpperCAmelCase__   :					str   				=   []
    UpperCAmelCase__   :					Tuple   				=   0
    while i < len(A      ):
     try:
      UpperCAmelCase__   :					int   				=   word.index(A   ,A      )
     except ValueError:
      new_word.extend(word[i:]      )
      break
     else:
      new_word.extend(word[i:j]      )
      UpperCAmelCase__   :					Tuple   				=   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__   :					Optional[int]   				=   tuple(A      )
    UpperCAmelCase__   :					List[str]   				=   new_word
    if len(A      ) == 1:
     break
    else:
     UpperCAmelCase__   :					int   				=   get_pairs(A      )
   UpperCAmelCase__   :					int   				=   """ """.join(A      )
   if word == "\n  </w>":
    UpperCAmelCase__   :					List[str]   				=   """\n</w>"""
   UpperCAmelCase__   :					List[str]   				=   word
   return word

  def 				__lowercase    (					self						:     List[Any]   ,A						:     List[str]   ,A						:     Optional[int]=False      ):






   '''simple docstring'''
   if bypass_tokenizer:
    UpperCAmelCase__   :					List[str]   				=   text.split()
   else:
    UpperCAmelCase__   :					List[Any]   				=   self.moses_tokenize(A   ,self.lang      )

   UpperCAmelCase__   :					List[str]   				=   []
   for token in text:
    if token:
     split_tokens.extend(list(self.bpe(A      ).split(""" """      )      )      )

   return split_tokens

  def 				__lowercase    (					self						:     List[Any]   ,A						:     Tuple      ):






   '''simple docstring'''
   return self.encoder.get(A   ,self.encoder.get(self.unk_token      )      )

  def 				__lowercase    (					self						:     List[str]   ,A						:     str      ):






   '''simple docstring'''
   return self.decoder.get(A   ,self.unk_token      )

  def 				__lowercase    (					self						:     int   ,A						:     Tuple      ):






   '''simple docstring'''
   UpperCAmelCase__   :					int   				=   [t.replace(""" """   ,""""""      ).replace("""</w>"""   ,""" """      ) for t in tokens]
   UpperCAmelCase__   :					List[Any]   				=   """""".join(A      ).split()
   # detokenize
   UpperCAmelCase__   :					int   				=   self.moses_detokenize(A   ,self.lang      )
   return text

  def 				__lowercase    (					self						:     Optional[int]   ,A						:     List[int]   ,A						:     Optional[List[int]] = None      ):






   '''simple docstring'''
   if token_ids_a is None:
    return [self.sep_token_id] + token_ids_a
   UpperCAmelCase__   :					int   				=   [self.sep_token_id]
   return sep + token_ids_a + sep + token_ids_a

  def 				__lowercase    (					self						:     Dict   ,A						:     List[int]   ,A						:     Optional[List[int]] = None   ,A						:     bool = False      ):






   '''simple docstring'''
   if already_has_special_tokens:
    return super().get_special_tokens_mask(
        token_ids_a=A   ,token_ids_a=A   ,already_has_special_tokens=A      )
   # no bos used in fairseq
   if token_ids_a is not None:
    return [1] + ([0] * len(A      )) + [1] + ([0] * len(A      ))
   return [1] + ([0] * len(A      ))

  def 				__lowercase    (					self						:     Dict   ,A						:     List[int]   ,A						:     Optional[List[int]] = None      ):






   '''simple docstring'''
   UpperCAmelCase__   :					List[str]   				=   [self.sep_token_id]

   # no bos used in fairseq
   if token_ids_a is None:
    return len(token_ids_a + sep      ) * [0]
   return len(token_ids_a + sep      ) * [0] + len(token_ids_a + sep      ) * [1]

  def 				__lowercase    (					self						:     Optional[int]   ,A						:     str   ,A						:     Optional[str] = None      ):






   '''simple docstring'''
   if not os.path.isdir(A      ):
    logger.error(f"Vocabulary path ({save_directory}) should be a directory"      )
    return
   UpperCAmelCase__   :					List[Any]   				=   os.path.join(
       A   ,(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]      )
   UpperCAmelCase__   :					Union[str, Any]   				=   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__   :					int   				=   0
   with open(A   ,"""w"""   ,encoding="""utf-8"""      ) as writer:
    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!"""      )
      UpperCAmelCase__   :					Optional[int]   				=   token_index
     writer.write(""" """.join(A      ) + """\n"""      )
     index += 1

   return vocab_file, merge_file

  def __getstate__(					self						:     Union[str, Any]      ):






   '''simple docstring'''
   UpperCAmelCase__   :					int   				=   self.__dict__.copy()
   UpperCAmelCase__   :					str   				=   None
   return state




  def __setstate__(					self						:     Optional[int]   ,A						:     Tuple      ):






   '''simple docstring'''
   UpperCAmelCase__   :					List[str]   				=   d

   try:
    import sacremoses
   except ImportError:
    raise ImportError(
        """You need to install sacremoses to use XLMTokenizer. """
        """See https://pypi.org/project/sacremoses/ for installation."""      )

   UpperCAmelCase__   :					int   				=   sacremoses








"""simple docstring"""




def 					lowerCAmelCase  (   __UpperCamelCase ):
 '''simple docstring'''





 UpperCAmelCase__   :					Union[str, Any]   				=   1
 UpperCAmelCase__   :					Union[str, Any]   				=   0
 UpperCAmelCase__   :					List[str]   				=   1
 UpperCAmelCase__   :					Any   				=   1
 UpperCAmelCase__   :					Optional[int]   				=   3
 UpperCAmelCase__   :					Any   				=   3
 UpperCAmelCase__   :					Optional[Any]   				=   limit
 UpperCAmelCase__   :					Dict   				=   0

 UpperCAmelCase__   :					int   				=   """"""
 while counter != decimal + 1:
  if 4 * q + r - t < n * t:
   result += str(__UpperCamelCase )
   if counter == 0:
    result += "."

   if decimal == counter:
    break

   counter += 1
   UpperCAmelCase__   :					Union[str, Any]   				=   10 * (r - n * t)
   UpperCAmelCase__   :					int   				=   ((10 * (3 * q + r)) // t) - 10 * n
   q *= 10
   UpperCAmelCase__   :					str   				=   nr
  else:
   UpperCAmelCase__   :					List[str]   				=   (2 * q + r) * l
   UpperCAmelCase__   :					Union[str, Any]   				=   (q * (7 * k) + 2 + (r * l)) // (t * l)
   q *= k
   t *= l
   l += 2
   k += 1
   UpperCAmelCase__   :					Optional[Any]   				=   nn
   UpperCAmelCase__   :					str   				=   nr
 return result
def 					lowerCAmelCase  (   ):
 '''simple docstring'''





 print(F"{calculate_pi(50 ) = }" )
 import doctest

 doctest.testmod()


if __name__ == "__main__":
      main()





