






'''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


SCREAMING_SNAKE_CASE						=	logging.get_logger(__name__)


SCREAMING_SNAKE_CASE						=	{'vocab_file': 'vocab.json', 'merges_file': 'merges.txt'}

SCREAMING_SNAKE_CASE						=	{
    'vocab_file': {
        'allenai/longformer-base-4096': 'https://huggingface.co/allenai/longformer-base-4096/resolve/main/vocab.json',
        'allenai/longformer-large-4096': (
            'https://huggingface.co/allenai/longformer-large-4096/resolve/main/vocab.json'
        ),
        'allenai/longformer-large-4096-finetuned-triviaqa': (
            'https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/vocab.json'
        ),
        'allenai/longformer-base-4096-extra.pos.embd.only': (
            'https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/vocab.json'
        ),
        'allenai/longformer-large-4096-extra.pos.embd.only': (
            'https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/vocab.json'
        ),
    },
    'merges_file': {
        'allenai/longformer-base-4096': 'https://huggingface.co/allenai/longformer-base-4096/resolve/main/merges.txt',
        'allenai/longformer-large-4096': (
            'https://huggingface.co/allenai/longformer-large-4096/resolve/main/merges.txt'
        ),
        'allenai/longformer-large-4096-finetuned-triviaqa': (
            'https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/merges.txt'
        ),
        'allenai/longformer-base-4096-extra.pos.embd.only': (
            'https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/merges.txt'
        ),
        'allenai/longformer-large-4096-extra.pos.embd.only': (
            'https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/merges.txt'
        ),
    },
}

SCREAMING_SNAKE_CASE						=	{
    'allenai/longformer-base-4096': 4_096,
    'allenai/longformer-large-4096': 4_096,
    'allenai/longformer-large-4096-finetuned-triviaqa': 4_096,
    'allenai/longformer-base-4096-extra.pos.embd.only': 4_096,
    'allenai/longformer-large-4096-extra.pos.embd.only': 4_096,
}


@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def 							lowercase_				(    )       ->      int:



 """simple docstring"""




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


def 							lowercase_				(    __A :       Dict			)       ->      Union[str, Any]:



 """simple docstring"""




 lowercase					:   int				  =set()
 lowercase					:   Optional[int]				  =word[0]
 for char in word[1:]:
  pairs.add((prev_char, char)			)
  lowercase					:   Any				  =char
 return pairs





class UpperCAmelCase_					(    __A				):




      """simple docstring"""




      UpperCamelCase_								=			VOCAB_FILES_NAMES
      UpperCamelCase_								=			PRETRAINED_VOCAB_FILES_MAP
      UpperCamelCase_								=			PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
      UpperCamelCase_								=			['''input_ids''', '''attention_mask''']






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


       '''simple docstring'''

       lowercase					:   Optional[int]				  =AddedToken(UpperCAmelCase     ,      lstrip=UpperCAmelCase     ,      rstrip=UpperCAmelCase		) if isinstance(UpperCAmelCase     ,      UpperCAmelCase		) else bos_token
       lowercase					:   Tuple				  =AddedToken(UpperCAmelCase     ,      lstrip=UpperCAmelCase     ,      rstrip=UpperCAmelCase		) if isinstance(UpperCAmelCase     ,      UpperCAmelCase		) else eos_token
       lowercase					:   Tuple				  =AddedToken(UpperCAmelCase     ,      lstrip=UpperCAmelCase     ,      rstrip=UpperCAmelCase		) if isinstance(UpperCAmelCase     ,      UpperCAmelCase		) else sep_token
       lowercase					:   Tuple				  =AddedToken(UpperCAmelCase     ,      lstrip=UpperCAmelCase     ,      rstrip=UpperCAmelCase		) if isinstance(UpperCAmelCase     ,      UpperCAmelCase		) else cls_token
       lowercase					:   List[Any]				  =AddedToken(UpperCAmelCase     ,      lstrip=UpperCAmelCase     ,      rstrip=UpperCAmelCase		) if isinstance(UpperCAmelCase     ,      UpperCAmelCase		) else unk_token
       lowercase					:   str				  =AddedToken(UpperCAmelCase     ,      lstrip=UpperCAmelCase     ,      rstrip=UpperCAmelCase		) if isinstance(UpperCAmelCase     ,      UpperCAmelCase		) else pad_token

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

       super().__init__(
           errors=UpperCAmelCase     ,      bos_token=UpperCAmelCase     ,      eos_token=UpperCAmelCase     ,      unk_token=UpperCAmelCase     ,      sep_token=UpperCAmelCase     ,      cls_token=UpperCAmelCase     ,      pad_token=UpperCAmelCase     ,      mask_token=UpperCAmelCase     ,      add_prefix_space=UpperCAmelCase     ,      **UpperCAmelCase     ,      )

       with open(UpperCAmelCase     ,      encoding='''utf-8'''		) as vocab_handle:
        lowercase					:   Dict				  =json.load(UpperCAmelCase		)
       lowercase					:   str				  ={v: k for k, v in self.encoder.items()}
       lowercase					:   Dict				  =errors  # how to handle errors in decoding
       lowercase					:   Any				  =bytes_to_unicode()
       lowercase					:   Union[str, Any]				  ={v: k for k, v in self.byte_encoder.items()}
       with open(UpperCAmelCase     ,      encoding='''utf-8'''		) as merges_handle:
        lowercase					:   Union[str, Any]				  =merges_handle.read().split('''\n'''		)[1:-1]
       lowercase					:   List[str]				  =[tuple(merge.split()		) for merge in bpe_merges]
       lowercase					:   List[Any]				  =dict(zip(UpperCAmelCase     ,      range(len(UpperCAmelCase		)		)		)		)
       lowercase					:   List[Any]				  ={}
       lowercase					:   Tuple				  =add_prefix_space

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






      @property
      def 				A__      ( self			:		Optional[int]		)  ->  int:


       '''simple docstring'''

       return len(self.encoder		)






      def 				A__      ( self			:		Optional[int]		)  ->  Optional[Any]:


       '''simple docstring'''

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






      def 				A__      ( self			:		Any     ,      UpperCAmelCase			:		Union[str, Any]		)  ->  List[str]:


       '''simple docstring'''

       if token in self.cache:
        return self.cache[token]
       lowercase					:   Optional[int]				  =tuple(UpperCAmelCase		)
       lowercase					:   Any				  =get_pairs(UpperCAmelCase		)

       if not pairs:
        return token

       while True:
        lowercase					:   List[str]				  =min(UpperCAmelCase     ,      key=lambda UpperCAmelCase		: self.bpe_ranks.get(UpperCAmelCase     ,      float('''inf'''		)		)		)
        if bigram not in self.bpe_ranks:
         break
        lowercase  ,		lowercase					:   List[str]				  =bigram
        lowercase					:   List[str]				  =[]
        lowercase					:   Union[str, Any]				  =0
        while i < len(UpperCAmelCase		):
         try:
          lowercase					:   List[Any]				  =word.index(UpperCAmelCase     ,      UpperCAmelCase		)
         except ValueError:
          new_word.extend(word[i:]		)
          break
         else:
          new_word.extend(word[i:j]		)
          lowercase					:   List[str]				  =j

         if word[i] == first and i < len(UpperCAmelCase		) - 1 and word[i + 1] == second:
          new_word.append(first + second		)
          i += 2
         else:
          new_word.append(word[i]		)
          i += 1
        lowercase					:   Optional[int]				  =tuple(UpperCAmelCase		)
        lowercase					:   Any				  =new_word
        if len(UpperCAmelCase		) == 1:
         break
        else:
         lowercase					:   Optional[int]				  =get_pairs(UpperCAmelCase		)
       lowercase					:   Dict				  =''' '''.join(UpperCAmelCase		)
       lowercase					:   int				  =word
       return word






      def 				A__      ( self			:		Union[str, Any]     ,      UpperCAmelCase			:		int		)  ->  Tuple:


       '''simple docstring'''

       lowercase					:   str				  =[]
       for token in re.findall(self.pat     ,      UpperCAmelCase		):
        lowercase					:   Union[str, Any]				  =''''''.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(UpperCAmelCase		).split(''' '''		)		)
       return bpe_tokens






      def 				A__      ( self			:		Optional[Any]     ,      UpperCAmelCase			:		Optional[Any]		)  ->  Optional[int]:


       '''simple docstring'''

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






      def 				A__      ( self			:		Tuple     ,      UpperCAmelCase			:		int		)  ->  List[str]:


       '''simple docstring'''

       return self.decoder.get(UpperCAmelCase		)






      def 				A__      ( self			:		Union[str, Any]     ,      UpperCAmelCase			:		Optional[Any]		)  ->  List[str]:


       '''simple docstring'''

       lowercase					:   Union[str, Any]				  =''''''.join(UpperCAmelCase		)
       lowercase					:   Optional[int]				  =bytearray([self.byte_decoder[c] for c in text]		).decode('''utf-8'''     ,      errors=self.errors		)
       return text






      def 				A__      ( self			:		Dict     ,      UpperCAmelCase			:		str     ,      UpperCAmelCase			:		Optional[str] = None		)  ->  Tuple[str]:


       '''simple docstring'''

       if not os.path.isdir(UpperCAmelCase		):
        logger.error(f'Vocabulary path ({save_directory}) should be a directory'		)
        return
       lowercase					:   Any				  =os.path.join(
           UpperCAmelCase     ,      (filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']		)
       lowercase					:   int				  =os.path.join(
           UpperCAmelCase     ,      (filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''merges_file''']		)

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

       lowercase					:   Optional[int]				  =0
       with open(UpperCAmelCase     ,      '''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					:   Tuple				  =token_index
         writer.write(''' '''.join(UpperCAmelCase		) + '''\n'''		)
         index += 1

       return vocab_file, merge_file






      def 				A__      ( self			:		Dict     ,      UpperCAmelCase			:		List[int]     ,      UpperCAmelCase			:		Optional[List[int]] = None		)  ->  List[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					:   int				  =[self.sep_token_id]
       return cls + token_ids_a + sep + sep + token_ids_a + sep






      def 				A__      ( self			:		Union[str, Any]     ,      UpperCAmelCase			:		List[int]     ,      UpperCAmelCase			:		Optional[List[int]] = None     ,      UpperCAmelCase			:		bool = False		)  ->  List[int]:


       '''simple docstring'''

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

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






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


       '''simple docstring'''

       lowercase					:   Union[str, Any]				  =[self.sep_token_id]
       lowercase					:   Optional[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 				A__      ( self			:		Any     ,      UpperCAmelCase			:		List[str]     ,      UpperCAmelCase			:		Optional[Any]=False     ,      **UpperCAmelCase			:		Optional[int]		)  ->  Tuple:


       '''simple docstring'''

       lowercase					:   List[str]				  =kwargs.pop('''add_prefix_space'''     ,      self.add_prefix_space		)
       if (is_split_into_words or add_prefix_space) and (len(UpperCAmelCase		) > 0 and not text[0].isspace()):
        lowercase					:   Union[str, Any]				  =''' ''' + text
       return (text, kwargs)











'''simple docstring'''



from __future__ import annotations

SCREAMING_SNAKE_CASE						=	8.988E9  # units = N * m^s * C^-2


def 							lowercase_				(    __A :       float					,      __A :       float					,      __A :       float					,      __A :       float			)       ->      dict[str, float]:



 """simple docstring"""




 lowercase					:   Dict				  =abs(chargea * chargea			)

 if (force, chargea, chargea, distance).count(0			) != 1:
  raise ValueError('''One and only one argument must be 0'''			)
 if distance < 0:
  raise ValueError('''Distance cannot be negative'''			)
 if force == 0:
  lowercase					:   Union[str, Any]				  =COULOMBS_CONSTANT * charge_product / (distance**2)
  return {"force": force}
 elif chargea == 0:
  lowercase					:   int				  =abs(__A			) * (distance**2) / (COULOMBS_CONSTANT * chargea)
  return {"charge1": chargea}
 elif chargea == 0:
  lowercase					:   int				  =abs(__A			) * (distance**2) / (COULOMBS_CONSTANT * chargea)
  return {"charge2": chargea}
 elif distance == 0:
  lowercase					:   Tuple				  =(COULOMBS_CONSTANT * charge_product / abs(__A			)) ** 0.5
  return {"distance": distance}
 raise ValueError('''Exactly one argument must be 0'''			)


if __name__ == "__main__":
      import doctest

      doctest.testmod()



