



'''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:
   A_							: int						 =	None


A_							: Any						 =	logging.get_logger(__name__)


A_							: List[str]						 =	'''▁'''

A_							: Optional[int]						 =	{'''vocab_file''': '''spiece.model''', '''tokenizer_file''': '''tokenizer.json'''}

A_							: str						 =	{
    '''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'''
    },
}

A_							: List[Any]						 =	{
    '''google/pegasus-xsum''': 5_1_2,
}



class 							lowercase       (  lowerCAmelCase__				):


 """simple docstring"""


 UpperCAmelCase							=  VOCAB_FILES_NAMES
 UpperCAmelCase							=  PRETRAINED_VOCAB_FILES_MAP
 UpperCAmelCase							=  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
 UpperCAmelCase							=  PegasusTokenizer
 UpperCAmelCase							=  ["""input_ids""", """attention_mask"""]







 def __init__(							self  ,a_=None  ,a_=None  ,a_="<pad>"  ,a_="</s>"  ,a_="<unk>"  ,a_="<mask_2>"  ,a_="<mask_1>"  ,a_=None  ,a_=103  ,**a_  ,)		->   Dict:
        _UpperCAmelCase  :						Dict			     = offset

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

               _UpperCAmelCase  :						str			     = (
                   ([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(lowercase_							)  ,self.offset - 1							)
               ]

               if len(set(lowercase_							)							) != len(lowercase_							):
                      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}.'''							)
               _UpperCAmelCase  :						Union[str, Any]			     = additional_special_tokens_extended
        else:
               _UpperCAmelCase  :						Dict			     = [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__(
            lowercase_  ,tokenizer_file=lowercase_  ,pad_token=lowercase_  ,eos_token=lowercase_  ,unk_token=lowercase_  ,mask_token=lowercase_  ,mask_token_sent=lowercase_  ,offset=lowercase_  ,additional_special_tokens=lowercase_  ,**lowercase_  ,)
        _UpperCAmelCase  :						List[Any]			     = vocab_file
        _UpperCAmelCase  :						List[Any]			     = False if not self.vocab_file else True







 def _snake_case (							self  ,a_							)		->   List[Any]:
        _UpperCAmelCase  :						Any			     = 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 _snake_case (							self  ,a_  ,a_ = None  ,a_ = False							)		->   List[str]:
        if already_has_special_tokens:
               return self._special_token_mask(lowercase_							)
        elif token_ids_a is None:
               return self._special_token_mask(lowercase_							) + [1]
        else:
               return self._special_token_mask(token_ids_a + token_ids_a							) + [1]







 def _snake_case (							self  ,a_  ,a_=None							)		->   List[str]:
        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 _snake_case (							self  ,a_  ,a_ = None							)		->   Optional[int]:
        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(lowercase_							):
               logger.error(f'''Vocabulary path ({save_directory}) should be a directory'''							)
               return
        _UpperCAmelCase  :						Dict			     = os.path.join(
            lowercase_  ,(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]							)

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

        return (out_vocab_file,)








"""simple docstring"""

def __lowercase			(							_a		,			_a		,			_a=False    ):

    if isinstance(_a		,			_a    ) and isinstance(_a		,			_a    ):
        snake_case_ :     Union[str, Any]				=	len(set_a.intersection(_a    )    )

        if alternative_union:
            snake_case_ :     Any				=	len(_a    ) + len(_a    )
        else:
            snake_case_ :     str				=	len(set_a.union(_a    )    )

        return intersection / union

    if isinstance(_a		,			(list, tuple)    ) and isinstance(_a		,			(list, tuple)    ):
        snake_case_ :     str				=	[element for element in set_a if element in set_b]

        if alternative_union:
            snake_case_ :     Tuple				=	len(_a    ) + len(_a    )
            return len(_a    ) / union
        else:
            snake_case_ :     List[Any]				=	set_a + [element for element in set_b if element not in set_a]
            return len(_a    ) / len(_a    )

        return len(_a    ) / len(_a    )
    return None


if __name__ == "__main__":
     lowercase__    :  Any							    =	{'''a''', '''b''', '''c''', '''d''', '''e'''}
     lowercase__    :  Optional[Any]							    =	{'''c''', '''d''', '''e''', '''f''', '''h''', '''i'''}
     print(jaccard_similarity(set_a, set_b))





