

"""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							=  None


_A							=  logging.get_logger(__name__)


_A							=  """▁"""

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

_A							=  {
    """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							=  {
    """google/pegasus-xsum""": 5_12,
}

class       lowerCamelCase	(       lowerCAmelCase__   ):


  '''simple docstring'''







  SCREAMING_SNAKE_CASE					      =  VOCAB_FILES_NAMES
  SCREAMING_SNAKE_CASE					      =  PRETRAINED_VOCAB_FILES_MAP
  SCREAMING_SNAKE_CASE					      =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
  SCREAMING_SNAKE_CASE					      =  PegasusTokenizer
  SCREAMING_SNAKE_CASE					      =  ['input_ids', 'attention_mask']



  def __init__(self							,       _lowerCamelCase=None							,       _lowerCamelCase=None							,       _lowerCamelCase="<pad>"							,       _lowerCamelCase="</s>"							,       _lowerCamelCase="<unk>"							,       _lowerCamelCase="<mask_2>"							,       _lowerCamelCase="<mask_1>"							,       _lowerCamelCase=None							,       _lowerCamelCase=103							,       **_lowerCamelCase							,       ):


        """simple docstring"""

        UpperCAmelCase__			:							List[str]							=    offset

        if additional_special_tokens is not None:
              if not isinstance(_lowerCamelCase							,       _lowerCamelCase	):
                    raise TypeError(
                        F"""additional_special_tokens should be of type {type(_lowerCamelCase	)}, but is"""
                        F""" {type(_lowerCamelCase	)}"""	)

              UpperCAmelCase__			:							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(_lowerCamelCase	)							,       self.offset - 1	)
              ]

              if len(set(_lowerCamelCase	)	) != len(_lowerCamelCase	):
                    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__			:							Any							=    additional_special_tokens_extended
        else:
              UpperCAmelCase__			:							Any							=    [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__(
            _lowerCamelCase							,       tokenizer_file=_lowerCamelCase							,       pad_token=_lowerCamelCase							,       eos_token=_lowerCamelCase							,       unk_token=_lowerCamelCase							,       mask_token=_lowerCamelCase							,       mask_token_sent=_lowerCamelCase							,       offset=_lowerCamelCase							,       additional_special_tokens=_lowerCamelCase							,       **_lowerCamelCase							,       )
        UpperCAmelCase__			:							int							=    vocab_file
        UpperCAmelCase__			:							Union[str, Any]							=    False if not self.vocab_file else True



  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        UpperCAmelCase__			:							List[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  _a      (self							,       _lowerCamelCase							,       _lowerCamelCase = None							,       _lowerCamelCase = False	):


        """simple docstring"""

        if already_has_special_tokens:
              return self._special_token_mask(_lowerCamelCase	)
        elif token_ids_a is None:
              return self._special_token_mask(_lowerCamelCase	) + [1]
        else:
              return self._special_token_mask(token_ids_a + token_ids_a	) + [1]



  def  _a      (self							,       _lowerCamelCase							,       _lowerCamelCase=None	):


        """simple docstring"""

        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  _a      (self							,       _lowerCamelCase							,       _lowerCamelCase = None	):


        """simple docstring"""

        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(_lowerCamelCase	):
              logger.error(F"""Vocabulary path ({save_directory}) should be a directory"""	)
              return
        UpperCAmelCase__			:							Optional[Any]							=    os.path.join(
            _lowerCamelCase							,       (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]	)

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

        return (out_vocab_file,)




"""simple docstring"""
_A							=  """ABCDEFGHIJKLMNOPQRSTUVWXYZ"""




def 					a__						(						)	-> None:
      UpperCAmelCase__			:							Optional[Any]							=    input("""Enter message: """    )
      UpperCAmelCase__			:							Optional[Any]							=    input("""Enter key [alphanumeric]: """    )
      UpperCAmelCase__			:							Optional[Any]							=    input("""Encrypt/Decrypt [e/d]: """    )

      if mode.lower().startswith("""e"""    ):
            UpperCAmelCase__			:							Optional[Any]							=    """encrypt"""
            UpperCAmelCase__			:							List[Any]							=    encrypt_message(lowerCAmelCase			,	lowerCAmelCase    )
      elif mode.lower().startswith("""d"""    ):
            UpperCAmelCase__			:							Optional[Any]							=    """decrypt"""
            UpperCAmelCase__			:							Dict							=    decrypt_message(lowerCAmelCase			,	lowerCAmelCase    )

      print(F"""\n{mode.title()}ed message:"""    )
      print(lowerCAmelCase    )




def 					a__						(						lowerCAmelCase			,	lowerCAmelCase    )	-> str:
      return translate_message(lowerCAmelCase			,	lowerCAmelCase			,	"""encrypt"""    )




def 					a__						(						lowerCAmelCase			,	lowerCAmelCase    )	-> str:
      return translate_message(lowerCAmelCase			,	lowerCAmelCase			,	"""decrypt"""    )




def 					a__						(						lowerCAmelCase			,	lowerCAmelCase			,	lowerCAmelCase    )	-> str:
      UpperCAmelCase__			:							Optional[Any]							=    []
      UpperCAmelCase__			:							int							=    0
      UpperCAmelCase__			:							str							=    key.upper()

      for symbol in message:
            UpperCAmelCase__			:							Optional[Any]							=    LETTERS.find(symbol.upper()    )
            if num != -1:
                  if mode == "encrypt":
                        num += LETTERS.find(key[key_index]    )
                  elif mode == "decrypt":
                        num -= LETTERS.find(key[key_index]    )

                  num %= len(lowerCAmelCase    )

                  if symbol.isupper():
                        translated.append(LETTERS[num]    )
                  elif symbol.islower():
                        translated.append(LETTERS[num].lower()    )

                  key_index += 1
                  if key_index == len(lowerCAmelCase    ):
                        UpperCAmelCase__			:							List[str]							=    0
            else:
                  translated.append(lowerCAmelCase    )
      return "".join(lowerCAmelCase    )


if __name__ == "__main__":
    main()

