


from typing import Dict, List, Optional, Tuple

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


_snake_case					=					logging.get_logger(__name__)
class      UpperCAmelCase_ ( UpperCamelCase   ):

   '''simple docstring'''




   __A			:				Dict							=		["input_ids", "attention_mask"]






   def __init__(		self						,    __A="[PAD]"						,    __A="[BOS]"						,    __A="[EOS]"						,    __A="[MASK]"						,    __A="[CLS]"						,    __A="[SEP]"						,    __A=2048						,    **__A						,    ):






     """simple docstring"""





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

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

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

     # define special tokens dict
     lowerCamelCase			: 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,
     }
     lowerCamelCase			: Optional[int]   =    len(self.special_tokens_encoder			)
     lowerCamelCase			: Dict[int, str]   =    {v: k for k, v in self.special_tokens_encoder.items()}






   def _snake_case   (		self			):






     """simple docstring"""





     lowerCamelCase			: int   =    self.special_tokens_encoder.copy()
     vocab.update(self.added_tokens_encoder			)
     for i in range(self._utf_vocab_size			):
       lowerCamelCase			: Dict   =    chr(__A			)
       lowerCamelCase			: int   =    i + len(self.special_tokens_encoder			)
     return vocab






   @property
   def _snake_case   (		self			):






     """simple docstring"""





     return self._utf_vocab_size + self._num_special_tokens






   def _snake_case   (		self						,    __A						,    __A = None						,    __A = False			):






     """simple docstring"""





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

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






   def _snake_case   (		self						,    __A						,    __A = None			):






     """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 _snake_case   (		self						,    __A			):






     """simple docstring"""





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






   def _snake_case   (		self						,    __A			):






     """simple docstring"""





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






   def _snake_case   (		self						,    __A			):






     """simple docstring"""





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






   def _snake_case   (		self						,    __A			):






     """simple docstring"""





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






   def _snake_case   (		self						,    __A						,    __A = None			):






     """simple docstring"""





     return ()







def 		lowercase_(  SCREAMING_SNAKE_CASE_     ):


  '''simple docstring'''

  if number != int(SCREAMING_SNAKE_CASE_     ):
    raise ValueError("factorial() only accepts integral values"     )
  if number < 0:
    raise ValueError("factorial() not defined for negative values"     )
  lowerCamelCase			: Optional[Any]   =    1
  for i in range(1				,						number + 1     ):
    value *= i
  return value






def 		lowercase_(  SCREAMING_SNAKE_CASE_     ):


  '''simple docstring'''

  if not isinstance(SCREAMING_SNAKE_CASE_				,						SCREAMING_SNAKE_CASE_     ):
    raise ValueError("factorial() only accepts integral values"     )
  if n < 0:
    raise ValueError("factorial() not defined for negative values"     )
  return 1 if n == 0 or n == 1 else n * factorial(n - 1     )


if __name__ == "__main__":
   import doctest

   doctest.testmod()

   _snake_case					=					int(input('''Enter a positive integer: ''').strip() or 0)
   print(f'''factorial{n} is {factorial(n)}''')



