



"""simple docstring"""







import importlib.metadata
import subprocess
import sys


def  __SCREAMING_SNAKE_CASE (  __UpperCAmelCase = False      ):
		_lowercase				: int     =   False
		if "IPython" in sys.modules:
				_lowercase				: Union[str, Any]     =   """google.colab""" in str(sys.modules["""IPython"""].get_ipython()      )

		if in_colab:
				if upgrade:
						_lowercase				: Any     =   ["""pip""", """install""", """-U""", """torch"""]
						subprocess.run(__UpperCAmelCase   ,				check=__UpperCAmelCase      )
				# get the current version of torch
				_lowercase				: Union[str, Any]     =   importlib.metadata.version("""torch"""      )
				_lowercase				: List[Any]     =   torch_version[: torch_version.rindex("""."""      )]
				_lowercase				: Any     =   F"""https://storage.googleapis.com/tpu-pytorch/wheels/colab/torch_xla-{torch_version_trunc}-cp37-cp37m-linux_x86_64.whl"""
				_lowercase				: Tuple     =   ["""pip""", """install""", xla_wheel]
				subprocess.run(__UpperCAmelCase   ,				check=__UpperCAmelCase      )
		else:
				raise RuntimeError("""`install_xla` utility works only on google colab."""      )








from typing import Dict, List, Optional, Tuple

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


_lowercase:					int      =						logging.get_logger(__name__)



class       _lowercase				(  lowerCAmelCase      ):





	"""simple docstring"""
	__A		      =				["input_ids", "attention_mask"]




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

						a   	=  AddedToken(lowerCamelCase_						,			lstrip=lowerCamelCase_						,			rstrip=lowerCamelCase_						) if isinstance(lowerCamelCase_						,			lowerCamelCase_						) else pad_token
						a   	=  AddedToken(lowerCamelCase_						,			lstrip=lowerCamelCase_						,			rstrip=lowerCamelCase_						) if isinstance(lowerCamelCase_						,			lowerCamelCase_						) else bos_token
						a   	=  AddedToken(lowerCamelCase_						,			lstrip=lowerCamelCase_						,			rstrip=lowerCamelCase_						) if isinstance(lowerCamelCase_						,			lowerCamelCase_						) else eos_token
						a   	=  AddedToken(lowerCamelCase_						,			lstrip=lowerCamelCase_						,			rstrip=lowerCamelCase_						) if isinstance(lowerCamelCase_						,			lowerCamelCase_						) else mask_token
						a   	=  AddedToken(lowerCamelCase_						,			lstrip=lowerCamelCase_						,			rstrip=lowerCamelCase_						) if isinstance(lowerCamelCase_						,			lowerCamelCase_						) else cls_token
						a   	=  AddedToken(lowerCamelCase_						,			lstrip=lowerCamelCase_						,			rstrip=lowerCamelCase_						) if isinstance(lowerCamelCase_						,			lowerCamelCase_						) else sep_token

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

						a   	=  2**8  # utf is 8 bits

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




	def 	UpperCamelCase_			(self						):
						"""simple docstring"""

						a   	=  self.special_tokens_encoder.copy()
						vocab.update(self.added_tokens_encoder						)
						for i in range(self._utf_vocab_size						):
											a   	=  chr(lowerCamelCase_						)
											a   	=  i + len(self.special_tokens_encoder						)
						return vocab




	@property
	def 	UpperCamelCase_			(self						):
						"""simple docstring"""

						return self._utf_vocab_size + self._num_special_tokens




	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 [1] + [0] * len(lowerCamelCase_						) + [1]
						return [1] + ([0] * len(lowerCamelCase_						)) + [1] + ([0] * len(lowerCamelCase_						)) + [1]




	def 	UpperCamelCase_			(self						,			lowerCamelCase_						,			lowerCamelCase_ = 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 	UpperCamelCase_			(self						,			lowerCamelCase_						):
						"""simple docstring"""

						a   	=  [chr(lowerCamelCase_						) for i in text.encode("utf-8"						)]
						return tokens




	def 	UpperCamelCase_			(self						,			lowerCamelCase_						):
						"""simple docstring"""

						if token in self.special_tokens_encoder:
											a   	=  self.special_tokens_encoder[token]
						elif token in self.added_tokens_encoder:
											a   	=  self.added_tokens_encoder[token]
						elif len(lowerCamelCase_						) != 1:
											a   	=  self.unk_token_id
						else:
											a   	=  ord(lowerCamelCase_						) + self._num_special_tokens
						return token_id




	def 	UpperCamelCase_			(self						,			lowerCamelCase_						):
						"""simple docstring"""

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




	def 	UpperCamelCase_			(self						,			lowerCamelCase_						):
						"""simple docstring"""

						a   	=  B""
						for token in tokens:
											if token in self.special_tokens_decoder:
																a   	=  self.special_tokens_decoder[token].encode("utf-8"						)
											elif token in self.added_tokens_decoder:
																a   	=  self.special_tokens_decoder[token].encode("utf-8"						)
											elif token in self.special_tokens_encoder:
																a   	=  token.encode("utf-8"						)
											elif token in self.added_tokens_encoder:
																a   	=  token.encode("utf-8"						)
											else:
																a   	=  bytes([ord(lowerCamelCase_						)]						)
											bstring += tok_string
						a   	=  bstring.decode("utf-8"						,			errors="replace"						)
						return string




	def 	UpperCamelCase_			(self						,			lowerCamelCase_						,			lowerCamelCase_ = None						):
						"""simple docstring"""

						return ()
