


import warnings
from typing import Dict, List, Optional, Tuple

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


lowerCAmelCase__			:      Dict								=logging.get_logger(__name__)







class 	__lowercase    (__SCREAMING_SNAKE_CASE  ):





							"""simple docstring"""







							_UpperCAmelCase      =						["""input_ids""", """attention_mask"""]






							def __init__(      self			,						lowerCAmelCase__="</s>"			,						lowerCAmelCase__="<unk>"			,						lowerCAmelCase__="<pad>"			,						lowerCAmelCase__=1_2_5			,						lowerCAmelCase__=None			,						**lowerCAmelCase__			,						):





										"""simple docstring"""




										if extra_ids > 0 and additional_special_tokens is None:
													SCREAMING_SNAKE_CASE_		:     Any					=					[F'''<extra_id_{i}>''' for i in range(lowerCAmelCase__       )]
										elif extra_ids > 0 and additional_special_tokens is not None:
													# Check that we have the right number of extra_id special tokens
													SCREAMING_SNAKE_CASE_		:     str					=					len(set(filter(lambda lowerCAmelCase__       : bool('extra_id' in str(lowerCAmelCase__       )       )			,						lowerCAmelCase__       )       )       )
													if extra_tokens != extra_ids:
																raise ValueError(
																    F'''Both extra_ids ({extra_ids}) and additional_special_tokens ({additional_special_tokens}) are'''
																    ' provided to ByT5Tokenizer. In this case the additional_special_tokens must include the'
																    ' extra_ids tokens'       )

										SCREAMING_SNAKE_CASE_		:     Union[str, Any]					=					AddedToken(lowerCAmelCase__			,						lstrip=lowerCAmelCase__			,						rstrip=lowerCAmelCase__       ) if isinstance(lowerCAmelCase__			,						lowerCAmelCase__       ) else pad_token
										SCREAMING_SNAKE_CASE_		:     Union[str, Any]					=					AddedToken(lowerCAmelCase__			,						lstrip=lowerCAmelCase__			,						rstrip=lowerCAmelCase__       ) if isinstance(lowerCAmelCase__			,						lowerCAmelCase__       ) else eos_token
										SCREAMING_SNAKE_CASE_		:     Any					=					AddedToken(lowerCAmelCase__			,						lstrip=lowerCAmelCase__			,						rstrip=lowerCAmelCase__       ) if isinstance(lowerCAmelCase__			,						lowerCAmelCase__       ) else unk_token

										super().__init__(
										    eos_token=lowerCAmelCase__			,						unk_token=lowerCAmelCase__			,						pad_token=lowerCAmelCase__			,						extra_ids=lowerCAmelCase__			,						additional_special_tokens=lowerCAmelCase__			,						**lowerCAmelCase__			,						)

										SCREAMING_SNAKE_CASE_		:     Union[str, Any]					=					extra_ids

										SCREAMING_SNAKE_CASE_		:     Dict					=					2**8  # utf is 8 bits

										# define special tokens dict
										SCREAMING_SNAKE_CASE_		:     Dict[int, str]					=					{
										    self.pad_token: 0,
										    self.eos_token: 1,
										    self.unk_token: 2,
										}
										SCREAMING_SNAKE_CASE_		:     int					=					len(self.special_tokens_encoder       )
										SCREAMING_SNAKE_CASE_		:     str					=					len(lowerCAmelCase__       )
										for i, token in enumerate(lowerCAmelCase__       ):
													SCREAMING_SNAKE_CASE_		:     Union[str, Any]					=					self.vocab_size + i - n
										SCREAMING_SNAKE_CASE_		:     Dict[str, int]					=					{v: k for k, v in self.special_tokens_encoder.items()}






							@property
							def 					UpperCamelCase__     (      self       ):





										"""simple docstring"""




										return self._utf_vocab_size + self._num_special_tokens + self._extra_ids






							def 					UpperCamelCase__     (      self			,						lowerCAmelCase__			,						lowerCAmelCase__ = None			,						lowerCAmelCase__ = False       ):





										"""simple docstring"""




										if already_has_special_tokens:
													return super().get_special_tokens_mask(
													    token_ids_a=lowerCAmelCase__			,						token_ids_a=lowerCAmelCase__			,						already_has_special_tokens=lowerCAmelCase__       )

										# normal case: some special tokens
										if token_ids_a is None:
													return ([0] * len(lowerCAmelCase__       )) + [1]
										return ([0] * len(lowerCAmelCase__       )) + [1] + ([0] * len(lowerCAmelCase__       )) + [1]






							def 					UpperCamelCase__     (      self			,						lowerCAmelCase__       ):





										"""simple docstring"""




										if len(lowerCAmelCase__       ) > 0 and token_ids[-1] == self.eos_token_id:
													warnings.warn(
													    F'''This sequence already has {self.eos_token}. In future versions this behavior may lead to duplicated'''
													    ' eos tokens being added.'       )
													return token_ids
										else:
													return token_ids + [self.eos_token_id]






							def 					UpperCamelCase__     (      self			,						lowerCAmelCase__			,						lowerCAmelCase__ = None       ):





										"""simple docstring"""




										SCREAMING_SNAKE_CASE_		:     Union[str, Any]					=					[self.eos_token_id]

										if token_ids_a is None:
													return len(token_ids_a + eos       ) * [0]
										return len(token_ids_a + eos + token_ids_a + eos       ) * [0]






							def 					UpperCamelCase__     (      self			,						lowerCAmelCase__			,						lowerCAmelCase__ = None       ):





										"""simple docstring"""




										SCREAMING_SNAKE_CASE_		:     Any					=					self._add_eos_if_not_present(lowerCAmelCase__       )
										if token_ids_a is None:
													return token_ids_a
										else:
													SCREAMING_SNAKE_CASE_		:     Dict					=					self._add_eos_if_not_present(lowerCAmelCase__       )
													return token_ids_a + token_ids_a






							def 					UpperCamelCase__     (      self			,						lowerCAmelCase__       ):





										"""simple docstring"""




										SCREAMING_SNAKE_CASE_		:     Union[str, Any]					=					[chr(lowerCAmelCase__       ) for i in text.encode('utf-8'       )]
										return tokens






							def 					UpperCamelCase__     (      self			,						lowerCAmelCase__       ):





										"""simple docstring"""




										if token in self.special_tokens_encoder:
													SCREAMING_SNAKE_CASE_		:     Optional[int]					=					self.special_tokens_encoder[token]
										elif token in self.added_tokens_encoder:
													SCREAMING_SNAKE_CASE_		:     str					=					self.added_tokens_encoder[token]
										elif len(lowerCAmelCase__       ) != 1:
													SCREAMING_SNAKE_CASE_		:     Optional[int]					=					self.unk_token_id
										else:
													SCREAMING_SNAKE_CASE_		:     List[Any]					=					ord(lowerCAmelCase__       ) + self._num_special_tokens
										return token_id






							def 					UpperCamelCase__     (      self			,						lowerCAmelCase__       ):





										"""simple docstring"""




										if index in self.special_tokens_decoder:
													SCREAMING_SNAKE_CASE_		:     Tuple					=					self.special_tokens_decoder[index]
										else:
													SCREAMING_SNAKE_CASE_		:     List[str]					=					chr(index - self._num_special_tokens       )
										return token






							def 					UpperCamelCase__     (      self			,						lowerCAmelCase__       ):





										"""simple docstring"""




										SCREAMING_SNAKE_CASE_		:     List[Any]					=					b''
										for token in tokens:
													if token in self.special_tokens_decoder:
																SCREAMING_SNAKE_CASE_		:     List[str]					=					self.special_tokens_decoder[token].encode('utf-8'       )
													elif token in self.added_tokens_decoder:
																SCREAMING_SNAKE_CASE_		:     Any					=					self.special_tokens_decoder[token].encode('utf-8'       )
													elif token in self.special_tokens_encoder:
																SCREAMING_SNAKE_CASE_		:     Optional[Any]					=					token.encode('utf-8'       )
													elif token in self.added_tokens_encoder:
																SCREAMING_SNAKE_CASE_		:     List[str]					=					token.encode('utf-8'       )
													else:
																SCREAMING_SNAKE_CASE_		:     int					=					bytes([ord(lowerCAmelCase__       )]       )
													bstring += tok_string
										SCREAMING_SNAKE_CASE_		:     int					=					bstring.decode('utf-8'			,						errors='ignore'       )
										return string






							def 					UpperCamelCase__     (      self			,						lowerCAmelCase__			,						lowerCAmelCase__ = None       ):





										"""simple docstring"""




										return ()









import numpy as np




def       a_ (       SCREAMING_SNAKE_CASE__   : np.ndarray						,     SCREAMING_SNAKE_CASE__   : float	):
       '''simple docstring'''





       return np.where(vector > 0						,     SCREAMING_SNAKE_CASE__						,     (alpha * (np.exp(SCREAMING_SNAKE_CASE__	) - 1))	)


if __name__ == "__main__":
 import doctest

 doctest.testmod()


