


'''simple docstring'''
import json
from typing import Iterator, List, Union

from tokenizers import AddedToken, Regex, Tokenizer, decoders, normalizers, pre_tokenizers, trainers
from tokenizers.implementations.base_tokenizer import BaseTokenizer
from tokenizers.models import Unigram
from tokenizers.processors import TemplateProcessing






class        lowerCAmelCase_  (     UpperCAmelCase	):






       def __init__( self			,     _UpperCamelCase = "▁"			,     _UpperCamelCase = True			,     _UpperCamelCase = "<unk>"			,     _UpperCamelCase = "</s>"			,     _UpperCamelCase = "<pad>"			,     )->      Any:
            _A				=							{
                'pad': {'id': 0, 'token': pad_token},
                'eos': {'id': 1, 'token': eos_token},
                'unk': {'id': 2, 'token': unk_token},
            }

            _A				=							[None] * len(self.special_tokens   )
            for token_dict in self.special_tokens.values():
                 _A				=							token_dict['token']

            _A				=							Tokenizer(Unigram()   )

            _A				=							normalizers.Sequence(
                [
                    normalizers.Nmt(),
                    normalizers.NFKC(),
                    normalizers.Replace(Regex(' {2,}'   )			,     ' '   ),
                    normalizers.Lowercase(),
                ]   )
            _A				=							pre_tokenizers.Sequence(
                [
                    pre_tokenizers.Metaspace(replacement=_UpperCamelCase			,     add_prefix_space=_UpperCamelCase   ),
                    pre_tokenizers.Digits(individual_digits=_UpperCamelCase   ),
                    pre_tokenizers.Punctuation(),
                ]   )
            _A				=							decoders.Metaspace(replacement=_UpperCamelCase			,     add_prefix_space=_UpperCamelCase   )

            _A				=							TemplateProcessing(
                single=F'$A {self.special_tokens["eos"]["token"]}'			,     special_tokens=[(self.special_tokens['eos']['token'], self.special_tokens['eos']['id'])]			,     )

            _A				=							{
                'model': 'SentencePieceUnigram',
                'replacement': replacement,
                'add_prefix_space': add_prefix_space,
            }

            super().__init__(_UpperCamelCase			,     _UpperCamelCase   )






       def   UpperCamelCase						( self			,     _UpperCamelCase			,     _UpperCamelCase = 8000			,     _UpperCamelCase = True			,     )->      List[Any]:
            _A				=							trainers.UnigramTrainer(
                vocab_size=_UpperCamelCase			,     special_tokens=self.special_tokens_list			,     show_progress=_UpperCamelCase			,     )

            if isinstance(_UpperCamelCase			,     _UpperCamelCase   ):
                 _A				=							[files]
            self._tokenizer.train(_UpperCamelCase			,     trainer=_UpperCamelCase   )

            self.add_unk_id()






       def   UpperCamelCase						( self			,     _UpperCamelCase			,     _UpperCamelCase = 8000			,     _UpperCamelCase = True			,     )->      str:
            _A				=							trainers.UnigramTrainer(
                vocab_size=_UpperCamelCase			,     special_tokens=self.special_tokens_list			,     show_progress=_UpperCamelCase			,     )

            self._tokenizer.train_from_iterator(_UpperCamelCase			,     trainer=_UpperCamelCase   )

            self.add_unk_id()






       def   UpperCamelCase						( self   )->      List[str]:
            _A				=							json.loads(self._tokenizer.to_str()   )

            _A				=							self.special_tokens['unk']['id']

            _A				=							Tokenizer.from_str(json.dumps(_UpperCamelCase   )   )









'''simple docstring'''
class        lowerCAmelCase_  :






       def __init__( self			,     _UpperCamelCase   )->      None:
            _A				=							size
            _A				=							[0] * size
            _A				=							[0] * size






       @staticmethod
       def   UpperCamelCase						( _UpperCamelCase   )->      int:
            return index | (index + 1)






       @staticmethod
       def   UpperCamelCase						( _UpperCamelCase   )->      int:
            return (index & (index + 1)) - 1






       def   UpperCamelCase						( self			,     _UpperCamelCase			,     _UpperCamelCase   )->      None:
            _A				=							value
            while index < self.size:
                 _A				=							self.get_prev(_UpperCamelCase   ) + 1
                 if current_left_border == index:
                      _A				=							value
                 else:
                      _A				=							max(_UpperCamelCase			,     _UpperCamelCase			,     _UpperCamelCase   )
                 _A				=							self.get_next(_UpperCamelCase   )






       def   UpperCamelCase						( self			,     _UpperCamelCase			,     _UpperCamelCase   )->      int:
            right -= 1  # Because of right is exclusive
            _A				=							0
            while left <= right:
                 _A				=							self.get_prev(_UpperCamelCase   )
                 if left <= current_left:
                      _A				=							max(_UpperCamelCase			,     self.tree[right]   )
                      _A				=							current_left
                 else:
                      _A				=							max(_UpperCamelCase			,     self.arr[right]   )
                      right -= 1
            return result


if __name__ == "__main__":
    import doctest

    doctest.testmod()





