
from typing import Dict, List, Optional, Tuple

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


__lowerCamelCase							= logging.get_logger(__name__)






class 						UpperCAmelCase	(		a_				):
			A__      :	List[Any]		  =  ['input_ids', 'attention_mask']



			def __init__(self	:      str					,		snake_case__	:      List[Any]="[PAD]"					,		snake_case__	:      Optional[Any]="[BOS]"					,		snake_case__	:      Optional[Any]="[EOS]"					,		snake_case__	:      str="[MASK]"					,		snake_case__	:      List[Any]="[CLS]"					,		snake_case__	:      str="[SEP]"					,		snake_case__	:      Any=20_48					,		**snake_case__	:      Optional[Any]					,		)	->			None:


										'''simple docstring'''


										snake_case :     List[Any]           =   AddedToken(_snake_case					,		lstrip=_snake_case					,		rstrip=_snake_case				) if isinstance(_snake_case					,		_snake_case				) else pad_token
										snake_case :     str           =   AddedToken(_snake_case					,		lstrip=_snake_case					,		rstrip=_snake_case				) if isinstance(_snake_case					,		_snake_case				) else bos_token
										snake_case :     Union[str, Any]           =   AddedToken(_snake_case					,		lstrip=_snake_case					,		rstrip=_snake_case				) if isinstance(_snake_case					,		_snake_case				) else eos_token
										snake_case :     Optional[int]           =   AddedToken(_snake_case					,		lstrip=_snake_case					,		rstrip=_snake_case				) if isinstance(_snake_case					,		_snake_case				) else mask_token
										snake_case :     Union[str, Any]           =   AddedToken(_snake_case					,		lstrip=_snake_case					,		rstrip=_snake_case				) if isinstance(_snake_case					,		_snake_case				) else cls_token
										snake_case :     Union[str, Any]           =   AddedToken(_snake_case					,		lstrip=_snake_case					,		rstrip=_snake_case				) if isinstance(_snake_case					,		_snake_case				) else sep_token

										super().__init__(
										    pad_token=_snake_case					,		bos_token=_snake_case					,		eos_token=_snake_case					,		mask_token=_snake_case					,		cls_token=_snake_case					,		sep_token=_snake_case					,		model_max_length=_snake_case					,		**_snake_case					,		)

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

										# define special tokens dict
										snake_case :     Dict[str, int]           =   {
										    self.pad_token: 0,
										    self.bos_token: 1,
										    self.eos_token: 2,
										    self.mask_token: 3,
										    self.cls_token: 4,
										    self.sep_token: 5,
										}
										snake_case :     List[str]           =   len(self.special_tokens_encoder				)
										snake_case :     Dict[int, str]           =   {v: k for k, v in self.special_tokens_encoder.items()}



			def        _SCREAMING_SNAKE_CASE     (self	:      Any				)	->			Dict[str, int]:


										'''simple docstring'''


										snake_case :     str           =   self.special_tokens_encoder.copy()
										vocab.update(self.added_tokens_encoder				)
										for i in range(self._utf_vocab_size				):
																	snake_case :     List[str]           =   chr(_snake_case				)
																	snake_case :     int           =   i + len(self.special_tokens_encoder				)
										return vocab



			@property
			def        _SCREAMING_SNAKE_CASE     (self	:      str				)	->			Optional[Any]:


										'''simple docstring'''


										return self._utf_vocab_size + self._num_special_tokens



			def        _SCREAMING_SNAKE_CASE     (self	:      Optional[Any]					,		snake_case__	:      Tuple					,		snake_case__	:      Optional[int] = None					,		snake_case__	:      Union[str, Any] = False				)	->			List[int]:


										'''simple docstring'''


										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				)

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



			def        _SCREAMING_SNAKE_CASE     (self	:      int					,		snake_case__	:      Optional[Any]					,		snake_case__	:      Any = None				)	->			List[int]:


										'''simple docstring'''


										if token_ids_a is None:
																	return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
										else:
																	return [self.cls_token_id] + token_ids_a + [self.sep_token_id] + token_ids_a + [self.sep_token_id]



			def        _SCREAMING_SNAKE_CASE     (self	:      str					,		snake_case__	:      Optional[Any]				)	->			List[str]:


										'''simple docstring'''


										snake_case :     str           =   [chr(_snake_case				) for i in text.encode("utf-8"				)]
										return tokens



			def        _SCREAMING_SNAKE_CASE     (self	:      Optional[Any]					,		snake_case__	:      Tuple				)	->			int:


										'''simple docstring'''


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



			def        _SCREAMING_SNAKE_CASE     (self	:      List[Any]					,		snake_case__	:      Union[str, Any]				)	->			Any:


										'''simple docstring'''


										if index in self.special_tokens_decoder:
																	snake_case :     Dict           =   self.special_tokens_decoder[index]
										elif index in self.added_tokens_decoder:
																	snake_case :     int           =   self.added_tokens_decoder[index]
										else:
																	snake_case :     List[str]           =   chr(index - self._num_special_tokens				)
										return token



			def        _SCREAMING_SNAKE_CASE     (self	:      Optional[Any]					,		snake_case__	:      Optional[int]				)	->			int:


										'''simple docstring'''


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



			def        _SCREAMING_SNAKE_CASE     (self	:      Optional[int]					,		snake_case__	:      int					,		snake_case__	:      Optional[int] = None				)	->			Tuple[str]:


										'''simple docstring'''


										return ()







def     UpperCamelCase      (					__lowerCamelCase  :				list       ,      __lowerCamelCase  :				list       ,      __lowerCamelCase  :				list       ,      __lowerCamelCase  :				int       ,      __lowerCamelCase  :				int					):
       if target == 0:
              answer.append(path.copy()					)
       else:
              for index in range(__lowerCamelCase       ,      len(__lowerCamelCase					)					):
                     if target >= candidates[index]:
                            path.append(candidates[index]					)
                            backtrack(__lowerCamelCase       ,      __lowerCamelCase       ,      __lowerCamelCase       ,      target - candidates[index]       ,      __lowerCamelCase					)
                            path.pop(len(__lowerCamelCase					) - 1					)


def     UpperCamelCase      (					__lowerCamelCase  :				list       ,      __lowerCamelCase  :				int					):
       snake_case :     Optional[Any]           =   []  # type: list[int]
       snake_case :     Tuple           =   []  # type: list[int]
       backtrack(__lowerCamelCase       ,      __lowerCamelCase       ,      __lowerCamelCase       ,      __lowerCamelCase       ,      0					)
       return answer


def     UpperCamelCase      (					):
       print(combination_sum([-8, 2.3, 0]       ,      1					)					)


if __name__ == "__main__":
   import doctest

   doctest.testmod()
   main()





