


'''simple docstring'''



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

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


__UpperCAmelCase     :Tuple												=  logging.get_logger(__name__)

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

__UpperCAmelCase     :Dict												=  {
    "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     :Union[str, Any]												=  {
    "microsoft/biogpt": 1_0_2_4,
}




def       _a      (		_lowercase   :      Union[str, Any]    ):





     '''simple docstring'''






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



class       a							(						_a			):


     """simple docstring"""






     SCREAMING_SNAKE_CASE			:					List[str]				  =  VOCAB_FILES_NAMES
     SCREAMING_SNAKE_CASE			:					Dict				  =  PRETRAINED_VOCAB_FILES_MAP
     SCREAMING_SNAKE_CASE			:					Optional[Any]				  =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
     SCREAMING_SNAKE_CASE			:					str				  =  ["input_ids", "attention_mask"]

     def __init__(							self	:						Dict				,					snake_case	:						Union[str, Any]				,					snake_case	:						List[str]				,					snake_case	:						List[Any]="<unk>"				,					snake_case	:						Union[str, Any]="<s>"				,					snake_case	:						int="</s>"				,					snake_case	:						Dict="</s>"				,					snake_case	:						Union[str, Any]="<pad>"				,					**snake_case	:						int				,					)		->				Any:
          super().__init__(
              bos_token=snake_case				,					eos_token=snake_case				,					sep_token=snake_case				,					unk_token=snake_case				,					pad_token=snake_case				,					**snake_case				,					)

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

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

     @property
     def 					lowerCamelCase__					(							self	:						str     )		->				Optional[Any]:
          return len(self.encoder     )

     def 					lowerCamelCase__					(							self	:						Tuple     )		->				Dict:
          return dict(self.encoder				,					**self.added_tokens_encoder     )

     def 					lowerCamelCase__					(							self	:						Optional[Any]				,					snake_case	:						List[str]				,					snake_case	:						str     )		->				List[str]:
          if lang not in self.cache_moses_tokenizer:
               __UpperCAmelCase      :					Optional[int]    				=     self.sm.MosesTokenizer(lang=snake_case     )
               __UpperCAmelCase      :					List[Any]    				=     moses_tokenizer
          return self.cache_moses_tokenizer[lang].tokenize(
              snake_case				,					aggressive_dash_splits=snake_case				,					return_str=snake_case				,					escape=snake_case     )

     def 					lowerCamelCase__					(							self	:						str				,					snake_case	:						List[str]				,					snake_case	:						Tuple     )		->				Union[str, Any]:
          if lang not in self.cache_moses_detokenizer:
               __UpperCAmelCase      :					Tuple    				=     self.sm.MosesDetokenizer(lang=snake_case     )
               __UpperCAmelCase      :					Tuple    				=     moses_detokenizer
          return self.cache_moses_detokenizer[lang].detokenize(snake_case     )

     def 					lowerCamelCase__					(							self	:						List[str]				,					snake_case	:						Optional[int]     )		->				List[str]:
          __UpperCAmelCase      :					Union[str, Any]    				=     tuple(token[:-1]     ) + (token[-1] + '''</w>''',)
          if token in self.cache:
               return self.cache[token]
          __UpperCAmelCase      :					Union[str, Any]    				=     get_pairs(snake_case     )

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

          while True:
               __UpperCAmelCase      :					Optional[int]    				=     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      :					str    				=     bigram
               __UpperCAmelCase      :					Optional[Any]    				=     []
               __UpperCAmelCase      :					Tuple    				=     0
               while i < len(snake_case     ):
                    try:
                         __UpperCAmelCase      :					str    				=     word.index(snake_case				,					snake_case     )
                    except ValueError:
                         new_word.extend(word[i:]     )
                         break
                    else:
                         new_word.extend(word[i:j]     )
                         __UpperCAmelCase      :					Union[str, Any]    				=     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      :					List[Any]    				=     tuple(snake_case     )
               __UpperCAmelCase      :					int    				=     new_word
               if len(snake_case     ) == 1:
                    break
               else:
                    __UpperCAmelCase      :					Optional[int]    				=     get_pairs(snake_case     )
          __UpperCAmelCase      :					List[str]    				=     ''' '''.join(snake_case     )
          if word == "\n  </w>":
               __UpperCAmelCase      :					Any    				=     '''\n</w>'''
          __UpperCAmelCase      :					Optional[Any]    				=     word
          return word

     def 					lowerCamelCase__					(							self	:						int				,					snake_case	:						Any				,					snake_case	:						str=False     )		->				List[Any]:
          if bypass_tokenizer:
               __UpperCAmelCase      :					int    				=     text.split()
          else:
               __UpperCAmelCase      :					Tuple    				=     self.moses_tokenize(snake_case				,					self.lang     )

          __UpperCAmelCase      :					List[Any]    				=     []
          for token in text:
               if token:
                    split_tokens.extend(list(self.bpe(snake_case     ).split(''' '''     )     )     )

          return split_tokens

     def 					lowerCamelCase__					(							self	:						str				,					snake_case	:						Tuple     )		->				Any:
          return self.encoder.get(snake_case				,					self.encoder.get(self.unk_token     )     )

     def 					lowerCamelCase__					(							self	:						Optional[Any]				,					snake_case	:						Any     )		->				str:
          return self.decoder.get(snake_case				,					self.unk_token     )

     def 					lowerCamelCase__					(							self	:						Any				,					snake_case	:						List[str]     )		->				Optional[Any]:
          __UpperCAmelCase      :					Any    				=     [t.replace(''' '''				,					''''''     ).replace('''</w>'''				,					''' '''     ) for t in tokens]
          __UpperCAmelCase      :					Optional[Any]    				=     ''''''.join(snake_case     ).split()
          # detokenize
          __UpperCAmelCase      :					str    				=     self.moses_detokenize(snake_case				,					self.lang     )
          return text

     def 					lowerCamelCase__					(							self	:						Tuple				,					snake_case	:						List[int]				,					snake_case	:						Optional[List[int]] = None     )		->				List[int]:
          if token_ids_a is None:
               return [self.sep_token_id] + token_ids_a
          __UpperCAmelCase      :					str    				=     [self.sep_token_id]
          return sep + token_ids_a + sep + token_ids_a

     def 					lowerCamelCase__					(							self	:						Optional[Any]				,					snake_case	:						List[int]				,					snake_case	:						Optional[List[int]] = None				,					snake_case	:						bool = False     )		->				List[int]:
          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     )
          # no bos used in fairseq
          if token_ids_a is not None:
               return [1] + ([0] * len(snake_case     )) + [1] + ([0] * len(snake_case     ))
          return [1] + ([0] * len(snake_case     ))

     def 					lowerCamelCase__					(							self	:						List[str]				,					snake_case	:						List[int]				,					snake_case	:						Optional[List[int]] = None     )		->				List[int]:
          __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 					lowerCamelCase__					(							self	:						Dict				,					snake_case	:						str				,					snake_case	:						Optional[str] = None     )		->				Tuple[str]:
          if not os.path.isdir(snake_case     ):
               logger.error(f'Vocabulary path ({save_directory}) should be a directory'     )
               return
          __UpperCAmelCase      :					List[Any]    				=     os.path.join(
              snake_case				,					(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']     )
          __UpperCAmelCase      :					Tuple    				=     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      :					Dict    				=     0
          with open(snake_case				,					'''w'''				,					encoding='''utf-8'''     ) as writer:
               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      :					List[Any]    				=     token_index
                    writer.write(''' '''.join(snake_case     ) + '''\n'''     )
                    index += 1

          return vocab_file, merge_file

     def __getstate__(							self	:						Any     )		->				List[Any]:
          __UpperCAmelCase      :					Any    				=     self.__dict__.copy()
          __UpperCAmelCase      :					int    				=     None
          return state






     def __setstate__(							self	:						Optional[Any]				,					snake_case	:						Any     )		->				Dict:
          __UpperCAmelCase      :					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      :					str    				=     sacremoses



'''simple docstring'''



def       _a      (		_lowercase   :      str    ):





     '''simple docstring'''






     __UpperCAmelCase      :					Union[str, Any]    				=     5381
     for x in s:
          __UpperCAmelCase      :					Union[str, Any]    				=     ((hash_value << 5) + hash_value) + ord(_lowercase    )
     return hash_value & 0XFFFFFFFF