






"""simple docstring"""

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

from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import is_sentencepiece_available, logging


if is_sentencepiece_available():
					from .tokenization_pegasus import PegasusTokenizer
else:
					lowercase__          = None


lowercase__          = logging.get_logger(__name__)


lowercase__          = """▁"""

lowercase__          = {"""vocab_file""": """spiece.model""", """tokenizer_file""": """tokenizer.json"""}

lowercase__          = {
    """vocab_file""": {"""google/pegasus-xsum""": """https://huggingface.co/google/pegasus-xsum/resolve/main/spiece.model"""},
    """tokenizer_file""": {
        """google/pegasus-xsum""": """https://huggingface.co/google/pegasus-xsum/resolve/main/tokenizer.json"""
    },
}

lowercase__          = {
    """google/pegasus-xsum""": 512,
}


class 		__lowerCamelCase				( _a			):





		'''simple docstring'''






		a_	:				Optional[int]            =							VOCAB_FILES_NAMES
		a_	:				int            =							PRETRAINED_VOCAB_FILES_MAP
		a_	:				Any            =							PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
		a_	:				Optional[Any]            =							PegasusTokenizer
		a_	:				str            =							["""input_ids""", """attention_mask"""]





		def __init__(   self							:	Dict						,			a_							:	Dict=None						,			a_							:	Optional[int]=None						,			a_							:	List[Any]="<pad>"						,			a_							:	Optional[int]="</s>"						,			a_							:	Optional[int]="<unk>"						,			a_							:	str="<mask_2>"						,			a_							:	List[str]="<mask_1>"						,			a_							:	str=None						,			a_							:	Any=1_03						,			**a_							:	Union[str, Any]						,			):
				lowerCAmelCase_   :							List[Any]									=			offset

				if additional_special_tokens is not None:
						if not isinstance(__UpperCAmelCase						,			__UpperCAmelCase	):
								raise TypeError(
								    f'''additional_special_tokens should be of type {type(__UpperCAmelCase	)}, but is'''
								    f''' {type(__UpperCAmelCase	)}'''	)

						lowerCAmelCase_   :							Dict									=			(
						    ([mask_token_sent] + additional_special_tokens)
						    if mask_token_sent not in additional_special_tokens and mask_token_sent is not None
						    else additional_special_tokens
						)
						# fill additional tokens with ..., <unk_token_102> in case not all additional tokens are already taken
						additional_special_tokens_extended += [
						    f'''<unk_{i}>''' for i in range(len(__UpperCAmelCase	)						,			self.offset - 1	)
						]

						if len(set(__UpperCAmelCase	)	) != len(__UpperCAmelCase	):
								raise ValueError(
								    "Please make sure that the provided additional_special_tokens do not contain an incorrectly"
								    f''' shifted list of <unk_x> tokens. Found {additional_special_tokens_extended}.'''	)
						lowerCAmelCase_   :							int									=			additional_special_tokens_extended
				else:
						lowerCAmelCase_   :							List[str]									=			[mask_token_sent] if mask_token_sent is not None else []
						additional_special_tokens += [f'''<unk_{i}>''' for i in range(2						,			self.offset	)]

				super().__init__(
				    __UpperCAmelCase						,			tokenizer_file=__UpperCAmelCase						,			pad_token=__UpperCAmelCase						,			eos_token=__UpperCAmelCase						,			unk_token=__UpperCAmelCase						,			mask_token=__UpperCAmelCase						,			mask_token_sent=__UpperCAmelCase						,			offset=__UpperCAmelCase						,			additional_special_tokens=__UpperCAmelCase						,			**__UpperCAmelCase						,			)
				lowerCAmelCase_   :							str									=			vocab_file
				lowerCAmelCase_   :							str									=			False if not self.vocab_file else True





		def    lowerCamelCase       (   self							:	Tuple						,			a_							:	int	):
				lowerCAmelCase_   :							int									=			set(self.all_special_ids	)  # call it once instead of inside list comp
				all_special_ids.remove(self.unk_token_id	)  # <unk> is only sometimes special

				if all_special_ids != set(range(len(self.additional_special_tokens	) + 3	)	):
						raise ValueError(
						    "There should be 3 special tokens: mask_token, pad_token, and eos_token +"
						    f''' {len(self.additional_special_tokens	)} additional_special_tokens, but got {all_special_ids}'''	)

				return [1 if x in all_special_ids else 0 for x in seq]





		def    lowerCamelCase       (   self							:	Any						,			a_							:	List						,			a_							:	Optional[List] = None						,			a_							:	bool = False	):
				if already_has_special_tokens:
						return self._special_token_mask(__UpperCAmelCase	)
				elif token_ids_a is None:
						return self._special_token_mask(__UpperCAmelCase	) + [1]
				else:
						return self._special_token_mask(token_ids_a + token_ids_a	) + [1]





		def    lowerCamelCase       (   self							:	Optional[int]						,			a_							:	Tuple						,			a_							:	Optional[int]=None	):
				if token_ids_a is None:
						return token_ids_a + [self.eos_token_id]
				# We don't expect to process pairs, but leave the pair logic for API consistency
				return token_ids_a + token_ids_a + [self.eos_token_id]





		def    lowerCamelCase       (   self							:	Optional[int]						,			a_							:	str						,			a_							:	Optional[str] = None	):
				if not self.can_save_slow_tokenizer:
						raise ValueError(
						    "Your fast tokenizer does not have the necessary information to save the vocabulary for a slow "
						    "tokenizer."	)

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

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

				return (out_vocab_file,)




"""simple docstring"""







class 						_A  :







    """simple docstring"""




    def __init__(					self				:    int				, __UpperCAmelCase				:    int):
      a						:		Tuple      							=			size
      a						:		Dict      							=			[0] * size
      a						:		Optional[int]      							=			[0] * size






    @staticmethod
    def 	__snake_case							(					__UpperCAmelCase				:    int):
      return index | (index + 1)






    @staticmethod
    def 	__snake_case							(					__UpperCAmelCase				:    int):
      return (index & (index + 1)) - 1






    def 	__snake_case							(					self				:    List[str]				, __UpperCAmelCase				:    int				, __UpperCAmelCase				:    int):
      a						:		Union[str, Any]      							=			value
      while index < self.size:
        a						:		Dict      							=			self.get_prev(__UpperCAmelCase) + 1
        if current_left_border == index:
          a						:		Optional[int]      							=			value
        else:
          a						:		Any      							=			max(__UpperCAmelCase				, __UpperCAmelCase				, __UpperCAmelCase)
        a						:		Optional[int]      							=			self.get_next(__UpperCAmelCase)






    def 	__snake_case							(					self				:    Union[str, Any]				, __UpperCAmelCase				:    int				, __UpperCAmelCase				:    int):
      right -= 1  # Because of right is exclusive
      a						:		List[str]      							=			0
      while left <= right:
        a						:		Dict      							=			self.get_prev(__UpperCAmelCase)
        if left <= current_left:
          a						:		Optional[int]      							=			max(__UpperCAmelCase				, self.tree[right])
          a						:		Optional[Any]      							=			current_left
        else:
          a						:		List[str]      							=			max(__UpperCAmelCase				, self.arr[right])
          right -= 1
      return result


if __name__ == "__main__":
 import doctest

 doctest.testmod()






