






"""simple docstring"""





import json
import os
from functools import lru_cache
from typing import List, Optional, Tuple

import regex as re

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


UpperCamelCase =			logging.get_logger(__name__)


UpperCamelCase =			{"""vocab_file""": """vocab.json""", """merges_file""": """merges.txt"""}

# See all MVP models at https://huggingface.co/models?filter=mvp
UpperCamelCase =			{
    """vocab_file""": {
        """RUCAIBox/mvp""": """https://huggingface.co/RUCAIBox/mvp/resolve/main/vocab.json""",
    },
    """added_tokens.json""": {
        """RUCAIBox/mvp""": """https://huggingface.co/RUCAIBox/mvp/resolve/main/added_tokens.json""",
    },
    """merges_file""": {
        """RUCAIBox/mvp""": """https://huggingface.co/RUCAIBox/mvp/resolve/main/merges.txt""",
    },
}

UpperCamelCase =			{
    """RUCAIBox/mvp""": 10_24,
}






@lru_cache()
def 				A(  ):
       """simple docstring"""





       lowercase__:				List[Any]			  =			(
           list(range(ord("!"		)						,   ord("~"		) + 1		)		) + list(range(ord("¡"		)						,   ord("¬"		) + 1		)		) + list(range(ord("®"		)						,   ord("ÿ"		) + 1		)		)
       )
       lowercase__:				Dict			  =			bs[:]
       lowercase__:				Union[str, Any]			  =			0
       for b in range(2**8		):
              if b not in bs:
                     bs.append(snake_case_		)
                     cs.append(2**8 + n		)
                     n += 1
       lowercase__:				str			  =			[chr(snake_case_		) for n in cs]
       return dict(zip(snake_case_						,   snake_case_		)		)






def 				A(  snake_case_		):
       """simple docstring"""





       lowercase__:				List[Any]			  =			set()
       lowercase__:				int			  =			word[0]
       for char in word[1:]:
              pairs.add((prev_char, char)		)
              lowercase__:				Union[str, Any]			  =			char
       return pairs







class 		_a   (						lowercase_    ):





   '''simple docstring'''






   UpperCamelCase__			     =				VOCAB_FILES_NAMES
   UpperCamelCase__			     =				PRETRAINED_VOCAB_FILES_MAP
   UpperCamelCase__			     =				PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
   UpperCamelCase__			     =				["""input_ids""", """attention_mask"""]





   def __init__(    self ,      UpperCAmelCase_ ,      UpperCAmelCase_ ,      UpperCAmelCase_="replace" ,      UpperCAmelCase_="<s>" ,      UpperCAmelCase_="</s>" ,      UpperCAmelCase_="</s>" ,      UpperCAmelCase_="<s>" ,      UpperCAmelCase_="<unk>" ,      UpperCAmelCase_="<pad>" ,      UpperCAmelCase_="<mask>" ,      UpperCAmelCase_=False ,      **UpperCAmelCase_ ,      )       ->					Optional[int]:




          '''simple docstring'''




          lowercase__:				Optional[Any]			  =			AddedToken(A_ ,      lstrip=A_ ,      rstrip=A_) if isinstance(A_ ,      A_) else bos_token
          lowercase__:				str			  =			AddedToken(A_ ,      lstrip=A_ ,      rstrip=A_) if isinstance(A_ ,      A_) else eos_token
          lowercase__:				Dict			  =			AddedToken(A_ ,      lstrip=A_ ,      rstrip=A_) if isinstance(A_ ,      A_) else sep_token
          lowercase__:				Any			  =			AddedToken(A_ ,      lstrip=A_ ,      rstrip=A_) if isinstance(A_ ,      A_) else cls_token
          lowercase__:				Optional[int]			  =			AddedToken(A_ ,      lstrip=A_ ,      rstrip=A_) if isinstance(A_ ,      A_) else unk_token
          lowercase__:				int			  =			AddedToken(A_ ,      lstrip=A_ ,      rstrip=A_) if isinstance(A_ ,      A_) else pad_token

          # Mask token behave like a normal word, i.e. include the space before it
          lowercase__:				Optional[int]			  =			AddedToken(A_ ,      lstrip=A_ ,      rstrip=A_) if isinstance(A_ ,      A_) else mask_token

          super().__init__(
              errors=A_ ,      bos_token=A_ ,      eos_token=A_ ,      unk_token=A_ ,      sep_token=A_ ,      cls_token=A_ ,      pad_token=A_ ,      mask_token=A_ ,      add_prefix_space=A_ ,      **A_ ,      )
          with open(A_ ,      encoding="utf-8") as vocab_handle:
                 lowercase__:				str			  =			json.load(A_)
          lowercase__:				Optional[int]			  =			{v: k for k, v in self.encoder.items()}
          lowercase__:				List[str]			  =			errors  # how to handle errors in decoding
          lowercase__:				Optional[Any]			  =			bytes_to_unicode()
          lowercase__:				List[str]			  =			{v: k for k, v in self.byte_encoder.items()}
          with open(A_ ,      encoding="utf-8") as merges_handle:
                 lowercase__:				Optional[int]			  =			merges_handle.read().split("\n")[1:-1]
          lowercase__:				Optional[Any]			  =			[tuple(merge.split()) for merge in bpe_merges]
          lowercase__:				int			  =			dict(zip(A_ ,      range(len(A_))))
          lowercase__:				Any			  =			{}
          lowercase__:				Any			  =			add_prefix_space

          # Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
          lowercase__:				Optional[int]			  =			re.compile(R"'s|'t|'re|'ve|'m|'ll|'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+")





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




          '''simple docstring'''




          return len(self.encoder)





   def __lowercase				(    self)       ->					int:




          '''simple docstring'''




          return dict(self.encoder ,      **self.added_tokens_encoder)





   def __lowercase				(    self ,      UpperCAmelCase_)       ->					Optional[int]:




          '''simple docstring'''




          if token in self.cache:
                 return self.cache[token]
          lowercase__:				str			  =			tuple(A_)
          lowercase__:				Any			  =			get_pairs(A_)

          if not pairs:
                 return token

          while True:
                 lowercase__:				str			  =			min(A_ ,      key=lambda UpperCAmelCase_: self.bpe_ranks.get(A_ ,      float("inf")))
                 if bigram not in self.bpe_ranks:
                        break
                 lowercase__:				Dict			  =			bigram
                 lowercase__:				Optional[int]			  =			[]
                 lowercase__:				Optional[int]			  =			0
                 while i < len(A_):
                        try:
                               lowercase__:				Optional[int]			  =			word.index(A_ ,      A_)
                        except ValueError:
                               new_word.extend(word[i:])
                               break
                        else:
                               new_word.extend(word[i:j])
                               lowercase__:				Any			  =			j

                        if word[i] == first and i < len(A_) - 1 and word[i + 1] == second:
                               new_word.append(first + second)
                               i += 2
                        else:
                               new_word.append(word[i])
                               i += 1
                 lowercase__:				List[str]			  =			tuple(A_)
                 lowercase__:				str			  =			new_word
                 if len(A_) == 1:
                        break
                 else:
                        lowercase__:				Tuple			  =			get_pairs(A_)
          lowercase__:				int			  =			" ".join(A_)
          lowercase__:				Optional[Any]			  =			word
          return word





   def __lowercase				(    self ,      UpperCAmelCase_)       ->					List[str]:




          '''simple docstring'''




          lowercase__:				Union[str, Any]			  =			[]
          for token in re.findall(self.pat ,      A_):
                 lowercase__:				int			  =			"".join(
                     self.byte_encoder[b] for b in token.encode("utf-8"))  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
                 bpe_tokens.extend(bpe_token for bpe_token in self.bpe(A_).split(" "))
          return bpe_tokens





   def __lowercase				(    self ,      UpperCAmelCase_)       ->					Union[str, Any]:




          '''simple docstring'''




          return self.encoder.get(A_ ,      self.encoder.get(self.unk_token))





   def __lowercase				(    self ,      UpperCAmelCase_)       ->					str:




          '''simple docstring'''




          return self.decoder.get(A_)





   def __lowercase				(    self ,      UpperCAmelCase_)       ->					int:




          '''simple docstring'''




          lowercase__:				Any			  =			"".join(A_)
          lowercase__:				List[str]			  =			bytearray([self.byte_decoder[c] for c in text]).decode("utf-8" ,      errors=self.errors)
          return text





   def __lowercase				(    self ,      UpperCAmelCase_ ,      UpperCAmelCase_ = None)       ->					List[str]:




          '''simple docstring'''




          if not os.path.isdir(A_):
                 logger.error(F"""Vocabulary path ({save_directory}) should be a directory""")
                 return
          lowercase__:				int			  =			os.path.join(
              A_ ,      (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"])
          lowercase__:				int			  =			os.path.join(
              A_ ,      (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["merges_file"])

          with open(A_ ,      "w" ,      encoding="utf-8") as f:
                 f.write(json.dumps(self.encoder ,      indent=2 ,      sort_keys=A_ ,      ensure_ascii=A_) + "\n")

          lowercase__:				int			  =			0
          with open(A_ ,      "w" ,      encoding="utf-8") as writer:
                 writer.write("#version: 0.2\n")
                 for bpe_tokens, token_index in sorted(self.bpe_ranks.items() ,      key=lambda UpperCAmelCase_: kv[1]):
                        if index != token_index:
                               logger.warning(
                                   F"""Saving vocabulary to {merge_file}: BPE merge indices are not consecutive."""
                                   " Please check that the tokenizer is not corrupted!")
                               lowercase__:				str			  =			token_index
                        writer.write(" ".join(A_) + "\n")
                        index += 1

          return vocab_file, merge_file





   def __lowercase				(    self ,      UpperCAmelCase_ ,      UpperCAmelCase_ = None)       ->					int:




          '''simple docstring'''




          if token_ids_a is None:
                 return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
          lowercase__:				Dict			  =			[self.cls_token_id]
          lowercase__:				Optional[int]			  =			[self.sep_token_id]
          return cls + token_ids_a + sep + sep + token_ids_a + sep





   def __lowercase				(    self ,      UpperCAmelCase_ ,      UpperCAmelCase_ = None ,      UpperCAmelCase_ = False)       ->					Dict:




          '''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_)

          if token_ids_a is None:
                 return [1] + ([0] * len(A_)) + [1]
          return [1] + ([0] * len(A_)) + [1, 1] + ([0] * len(A_)) + [1]





   def __lowercase				(    self ,      UpperCAmelCase_ ,      UpperCAmelCase_ = None)       ->					Any:




          '''simple docstring'''




          lowercase__:				Union[str, Any]			  =			[self.sep_token_id]
          lowercase__:				int			  =			[self.cls_token_id]

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





   def __lowercase				(    self ,      UpperCAmelCase_ ,      UpperCAmelCase_=False ,      **UpperCAmelCase_)       ->					List[Any]:




          '''simple docstring'''




          lowercase__:				Union[str, Any]			  =			kwargs.pop("add_prefix_space" ,      self.add_prefix_space)
          if (is_split_into_words or add_prefix_space) and (len(A_) > 0 and not text[0].isspace()):
                 lowercase__:				Union[str, Any]			  =			" " + text
          return (text, kwargs)









from __future__ import annotations

SCREAMING_SNAKE_CASE_						=					'Alexander Joslin'

def 							__SCREAMING_SNAKE_CASE							( lowerCAmelCase:     int       )      ->				int:

				if number <= 0:
								_UpperCAmelCase				:						Optional[Any]       						=			F'n must be greater than 0. Got n = {number}'
								raise ValueError(lowerCAmelCase       )

				_UpperCAmelCase				:						Dict       						=			[number + 1] * (number + 1)

				# starting position
				_UpperCAmelCase				:						Dict       						=			0
				for i in range(1     ,					lowerCAmelCase       ):
								_UpperCAmelCase				:						int       						=			min(table[i + 1]     ,					table[i] + 1       )
								# check if out of bounds
								if i * 2 <= number:
												_UpperCAmelCase				:						int       						=			min(table[i * 2]     ,					table[i] + 1       )
								# check if out of bounds
								if i * 3 <= number:
												_UpperCAmelCase				:						int       						=			min(table[i * 3]     ,					table[i] + 1       )
				return table[number]


if __name__ == "__main__":
					import doctest

					doctest.testmod()


