

'''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


lowerCAmelCase__      		=			logging.get_logger(__name__)


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

lowerCAmelCase__      		=			{
    '''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'''
        ),
    },
}

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


@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def 	_A  (					):






 """simple docstring"""



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


def 	_A  (					A__   ):






 """simple docstring"""



 __lowercase													=				set()
 __lowercase													=				word[0]
 for char in word[1:]:
  pairs.add((prev_char, char)   )
  __lowercase													=				char
 return pairs






class     lowercase_			(lowerCamelCase__   ):




  """simple docstring"""




  SCREAMING_SNAKE_CASE					:						List[str]           =    VOCAB_FILES_NAMES
  SCREAMING_SNAKE_CASE					:						int           =    PRETRAINED_VOCAB_FILES_MAP
  SCREAMING_SNAKE_CASE					:						Optional[int]           =    PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
  SCREAMING_SNAKE_CASE					:						List[str]           =    ['input_ids', 'attention_mask']






  def __init__(   self     :  Dict      ,lowercase__     :  Any      ,lowercase__     :  Dict      ,lowercase__     :  Optional[int]="replace"      ,lowercase__     :  List[Any]="<s>"      ,lowercase__     :  Any="</s>"      ,lowercase__     :  int="</s>"      ,lowercase__     :  Tuple="<s>"      ,lowercase__     :  Tuple="<unk>"      ,lowercase__     :  Tuple="<pad>"      ,lowercase__     :  List[str]="<mask>"      ,lowercase__     :  Dict=False      ,**lowercase__     :  int      ,):
   __lowercase													=				AddedToken(lowercase__      ,lstrip=lowercase__      ,rstrip=lowercase__    ) if isinstance(lowercase__      ,lowercase__    ) else bos_token
   __lowercase													=				AddedToken(lowercase__      ,lstrip=lowercase__      ,rstrip=lowercase__    ) if isinstance(lowercase__      ,lowercase__    ) else eos_token
   __lowercase													=				AddedToken(lowercase__      ,lstrip=lowercase__      ,rstrip=lowercase__    ) if isinstance(lowercase__      ,lowercase__    ) else sep_token
   __lowercase													=				AddedToken(lowercase__      ,lstrip=lowercase__      ,rstrip=lowercase__    ) if isinstance(lowercase__      ,lowercase__    ) else cls_token
   __lowercase													=				AddedToken(lowercase__      ,lstrip=lowercase__      ,rstrip=lowercase__    ) if isinstance(lowercase__      ,lowercase__    ) else unk_token
   __lowercase													=				AddedToken(lowercase__      ,lstrip=lowercase__      ,rstrip=lowercase__    ) if isinstance(lowercase__      ,lowercase__    ) else pad_token

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

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

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

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






  @property
  def       SCREAMING_SNAKE_CASE   (   self     :  List[Any]    ):
   return len(self.encoder    )






  def       SCREAMING_SNAKE_CASE   (   self     :  Dict    ):
   return dict(self.encoder      ,**self.added_tokens_encoder    )






  def       SCREAMING_SNAKE_CASE   (   self     :  List[Any]      ,lowercase__     :  List[Any]    ):
   if token in self.cache:
    return self.cache[token]
   __lowercase													=				tuple(lowercase__    )
   __lowercase													=				get_pairs(lowercase__    )

   if not pairs:
    return token

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

     if word[i] == first and i < len(lowercase__    ) - 1 and word[i + 1] == second:
      new_word.append(first + second    )
      i += 2
     else:
      new_word.append(word[i]    )
      i += 1
    __lowercase													=				tuple(lowercase__    )
    __lowercase													=				new_word
    if len(lowercase__    ) == 1:
     break
    else:
     __lowercase													=				get_pairs(lowercase__    )
   __lowercase													=				''' '''.join(lowercase__    )
   __lowercase													=				word
   return word






  def       SCREAMING_SNAKE_CASE   (   self     :  Any      ,lowercase__     :  Dict    ):
   __lowercase													=				[]
   for token in re.findall(self.pat      ,lowercase__    ):
    __lowercase													=				''''''.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(lowercase__    ).split(''' '''    )    )
   return bpe_tokens






  def       SCREAMING_SNAKE_CASE   (   self     :  Optional[int]      ,lowercase__     :  List[Any]    ):
   return self.encoder.get(lowercase__      ,self.encoder.get(self.unk_token    )    )






  def       SCREAMING_SNAKE_CASE   (   self     :  List[str]      ,lowercase__     :  int    ):
   return self.decoder.get(lowercase__    )






  def       SCREAMING_SNAKE_CASE   (   self     :  Tuple      ,lowercase__     :  str    ):
   __lowercase													=				''''''.join(lowercase__    )
   __lowercase													=				bytearray([self.byte_decoder[c] for c in text]    ).decode('''utf-8'''      ,errors=self.errors    )
   return text






  def       SCREAMING_SNAKE_CASE   (   self     :  Union[str, Any]      ,lowercase__     :  str      ,lowercase__     :  Optional[str] = None    ):
   if not os.path.isdir(lowercase__    ):
    logger.error(F"Vocabulary path ({save_directory}) should be a directory"    )
    return
   __lowercase													=				os.path.join(
       lowercase__      ,(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']    )
   __lowercase													=				os.path.join(
       lowercase__      ,(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''merges_file''']    )

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

   __lowercase													=				0
   with open(lowercase__      ,'''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 lowercase__    : 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													=				token_index
     writer.write(''' '''.join(lowercase__    ) + '''\n'''    )
     index += 1

   return vocab_file, merge_file






  def       SCREAMING_SNAKE_CASE   (   self     :  Optional[int]      ,lowercase__     :  List[int]      ,lowercase__     :  Optional[List[int]] = None    ):
   if token_ids_a is None:
    return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
   __lowercase													=				[self.cls_token_id]
   __lowercase													=				[self.sep_token_id]
   return cls + token_ids_a + sep + sep + token_ids_a + sep






  def       SCREAMING_SNAKE_CASE   (   self     :  Optional[Any]      ,lowercase__     :  List[int]      ,lowercase__     :  Optional[List[int]] = None      ,lowercase__     :  bool = False    ):
   if already_has_special_tokens:
    return super().get_special_tokens_mask(
        token_ids_a=lowercase__      ,token_ids_a=lowercase__      ,already_has_special_tokens=lowercase__    )

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






  def       SCREAMING_SNAKE_CASE   (   self     :  Tuple      ,lowercase__     :  List[int]      ,lowercase__     :  Optional[List[int]] = None    ):
   __lowercase													=				[self.sep_token_id]
   __lowercase													=				[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       SCREAMING_SNAKE_CASE   (   self     :  List[str]      ,lowercase__     :  Optional[Any]      ,lowercase__     :  Tuple=False      ,**lowercase__     :  Optional[int]    ):
   __lowercase													=				kwargs.pop('''add_prefix_space'''      ,self.add_prefix_space    )
   if (is_split_into_words or add_prefix_space) and (len(lowercase__    ) > 0 and not text[0].isspace()):
    __lowercase													=				''' ''' + text
   return (text, kwargs)




'''simple docstring'''






from collections.abc import Callable

import numpy as np


def 	_A  (					A__  ,       A__  ,       A__  ,       A__  ,       A__   ):






 """simple docstring"""



 __lowercase													=				int(np.ceil((x_end - xa) / step_size   )   )
 __lowercase													=				np.zeros((n + 1,)   )
 __lowercase													=				ya
 __lowercase													=				xa

 for k in range(A__   ):
  __lowercase													=				y[k] + step_size * ode_func(A__  ,       y[k]   )
  x += step_size

 return y


if __name__ == "__main__":
 import doctest

 doctest.testmod()

