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


A__           =							logging.get_logger(__name__)


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

A__           =							{
    """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"""
        ),
    },
}

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





def  _lowerCamelCase					(   a_				: List[Any]):
			lowerCamelCase						:Optional[Any]						  =     set()
			lowerCamelCase						:str						  =     word[0]
			for char in word[1:]:
						pairs.add((prev_char, char))
						lowerCamelCase						:Union[str, Any]						  =     char
			return pairs


class   _lowerCAmelCase		(     __SCREAMING_SNAKE_CASE				):
							_UpperCAmelCase						    =     VOCAB_FILES_NAMES
							_UpperCAmelCase						    =     PRETRAINED_VOCAB_FILES_MAP
							_UpperCAmelCase						    =     PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
							_UpperCAmelCase						    =     ['input_ids', 'attention_mask']







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

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

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

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

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







							@property
							def 				snake_case  (				self     :    Any		):
										return len(self.encoder		)







							def 				snake_case  (				self     :    Any		):
										return dict(self.encoder	,					**self.added_tokens_encoder		)







							def 				snake_case  (				self     :    List[str]	,					__snake_case     :    Tuple		):
										if token in self.cache:
													return self.cache[token]
										lowerCamelCase						:Any						  =     tuple(__snake_case		)
										lowerCamelCase						:List[Any]						  =     get_pairs(__snake_case		)

										if not pairs:
													return token

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

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







							def 				snake_case  (				self     :    List[str]	,					__snake_case     :    str		):
										lowerCamelCase						:Optional[int]						  =     []
										for token in re.findall(self.pat	,					__snake_case		):
													lowerCamelCase						:Optional[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(__snake_case		).split(''' '''		)		)
										return bpe_tokens







							def 				snake_case  (				self     :    Optional[int]	,					__snake_case     :    Tuple		):
										return self.encoder.get(__snake_case	,					self.encoder.get(self.unk_token		)		)







							def 				snake_case  (				self     :    str	,					__snake_case     :    List[Any]		):
										return self.decoder.get(__snake_case		)







							def 				snake_case  (				self     :    Any	,					__snake_case     :    Any		):
										lowerCamelCase						:str						  =     ''''''.join(__snake_case		)
										lowerCamelCase						:int						  =     bytearray([self.byte_decoder[c] for c in text]		).decode('''utf-8'''	,					errors=self.errors		)
										return text







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

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

										lowerCamelCase						:Optional[int]						  =     0
										with open(__snake_case	,					'''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 __snake_case		: 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!'''		)
																			lowerCamelCase						:Optional[int]						  =     token_index
																writer.write(''' '''.join(__snake_case		) + '''\n'''		)
																index += 1

										return vocab_file, merge_file







							def 				snake_case  (				self     :    Dict	,					__snake_case     :    List[int]	,					__snake_case     :    Optional[List[int]] = None		):
										if token_ids_a is None:
													return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
										lowerCamelCase						:Tuple						  =     [self.cls_token_id]
										lowerCamelCase						:int						  =     [self.sep_token_id]
										return cls + token_ids_a + sep + sep + token_ids_a + sep







							def 				snake_case  (				self     :    Dict	,					__snake_case     :    List[int]	,					__snake_case     :    Optional[List[int]] = None	,					__snake_case     :    bool = False		):
										if already_has_special_tokens:
													return super().get_special_tokens_mask(
													    token_ids_a=__snake_case	,					token_ids_a=__snake_case	,					already_has_special_tokens=__snake_case		)

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







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




def  _lowerCamelCase					(   a_				: int = 4_00_00_00):
			lowerCamelCase						:Dict						  =     [0, 1]
			lowerCamelCase						:Optional[Any]						  =     0
			while fib[i] <= n:
						fib.append(fib[i] + fib[i + 1])
						if fib[i + 2] > n:
									break
						i += 1
			lowerCamelCase						:Dict						  =     0
			for j in range(len(a_) - 1):
						if fib[j] % 2 == 0:
									total += fib[j]

			return total


if __name__ == "__main__":
			print(F'{solution() = }')



