


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	: Union[str, Any]  				=logging.get_logger(__name__)


__lowerCAmelCase	: List[str]  				={'vocab_file': 'vocab.json', 'merges_file': 'merges.txt'}

__lowerCAmelCase	: Union[str, Any]  				={
    '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	: List[str]  				={
    'allenai/longformer-base-4096': 4_0_9_6,
    'allenai/longformer-large-4096': 4_0_9_6,
    'allenai/longformer-large-4096-finetuned-triviaqa': 4_0_9_6,
    'allenai/longformer-base-4096-extra.pos.embd.only': 4_0_9_6,
    'allenai/longformer-large-4096-extra.pos.embd.only': 4_0_9_6,
}


@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def        _UpperCamelCase							(      ):
						__SCREAMING_SNAKE_CASE						:     List[str]					=		(
						    list(range(ord('''!'''      )    ,       ord('''~'''      ) + 1      )      ) + list(range(ord('''¡'''      )    ,       ord('''¬'''      ) + 1      )      ) + list(range(ord('''®'''      )    ,       ord('''ÿ'''      ) + 1      )      )
						)
						__SCREAMING_SNAKE_CASE						:     Tuple					=		bs[:]
						__SCREAMING_SNAKE_CASE						:     Any					=		0
						for b in range(2**8      ):
												if b not in bs:
																		bs.append(lowercase__      )
																		cs.append(2**8 + n      )
																		n += 1
						__SCREAMING_SNAKE_CASE						:     Dict					=		[chr(lowercase__      ) for n in cs]
						return dict(zip(lowercase__    ,       lowercase__      )      )


def        _UpperCamelCase							(      lowercase__      ):
						__SCREAMING_SNAKE_CASE						:     Dict					=		set()
						__SCREAMING_SNAKE_CASE						:     List[Any]					=		word[0]
						for char in word[1:]:
												pairs.add((prev_char, char)      )
												__SCREAMING_SNAKE_CASE						:     List[str]					=		char
						return pairs
class        _lowercase      (			A__       ):






				'''simple docstring'''



				SCREAMING_SNAKE_CASE__				:			Optional[Any]						=		VOCAB_FILES_NAMES
				SCREAMING_SNAKE_CASE__				:			Any						=		PRETRAINED_VOCAB_FILES_MAP
				SCREAMING_SNAKE_CASE__				:			Dict						=		PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
				SCREAMING_SNAKE_CASE__				:			Union[str, Any]						=		['''input_ids''', '''attention_mask''']


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

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

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

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

										# Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
										__SCREAMING_SNAKE_CASE						:     Optional[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 		__magic_name__(       self			:Tuple	)		->			List[Any]:
										return len(self.encoder	)


				def 		__magic_name__(       self			:Dict	)		->			str:
										return dict(self.encoder			,			**self.added_tokens_encoder	)


				def 		__magic_name__(       self			:Union[str, Any]			,			lowerCAmelCase__			:Any	)		->			Dict:
										if token in self.cache:
																return self.cache[token]
										__SCREAMING_SNAKE_CASE						:     Optional[int]					=		tuple(lowerCAmelCase__	)
										__SCREAMING_SNAKE_CASE						:     Optional[int]					=		get_pairs(lowerCAmelCase__	)

										if not pairs:
																return token

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

																						if word[i] == first and i < len(lowerCAmelCase__	) - 1 and word[i + 1] == second:
																												new_word.append(first + second	)
																												i += 2
																						else:
																												new_word.append(word[i]	)
																												i += 1
																__SCREAMING_SNAKE_CASE						:     Union[str, Any]					=		tuple(lowerCAmelCase__	)
																__SCREAMING_SNAKE_CASE						:     Optional[Any]					=		new_word
																if len(lowerCAmelCase__	) == 1:
																						break
																else:
																						__SCREAMING_SNAKE_CASE						:     Optional[Any]					=		get_pairs(lowerCAmelCase__	)
										__SCREAMING_SNAKE_CASE						:     Dict					=		''' '''.join(lowerCAmelCase__	)
										__SCREAMING_SNAKE_CASE						:     Optional[Any]					=		word
										return word


				def 		__magic_name__(       self			:Tuple			,			lowerCAmelCase__			:List[Any]	)		->			Tuple:
										__SCREAMING_SNAKE_CASE						:     Optional[int]					=		[]
										for token in re.findall(self.pat			,			lowerCAmelCase__	):
																__SCREAMING_SNAKE_CASE						:     str					=		''''''.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(lowerCAmelCase__	).split(''' '''	)	)
										return bpe_tokens


				def 		__magic_name__(       self			:Dict			,			lowerCAmelCase__			:Dict	)		->			int:
										return self.encoder.get(lowerCAmelCase__			,			self.encoder.get(self.unk_token	)	)


				def 		__magic_name__(       self			:int			,			lowerCAmelCase__			:List[str]	)		->			int:
										return self.decoder.get(lowerCAmelCase__	)


				def 		__magic_name__(       self			:str			,			lowerCAmelCase__			:str	)		->			Union[str, Any]:
										__SCREAMING_SNAKE_CASE						:     Dict					=		''''''.join(lowerCAmelCase__	)
										__SCREAMING_SNAKE_CASE						:     Union[str, Any]					=		bytearray([self.byte_decoder[c] for c in text]	).decode('''utf-8'''			,			errors=self.errors	)
										return text


				def 		__magic_name__(       self			:Optional[int]			,			lowerCAmelCase__			:str			,			lowerCAmelCase__			:Optional[str] = None	)		->			Tuple[str]:
										if not os.path.isdir(lowerCAmelCase__	):
																logger.error(f'''Vocabulary path ({save_directory}) should be a directory'''	)
																return
										__SCREAMING_SNAKE_CASE						:     Any					=		os.path.join(
										    lowerCAmelCase__			,			(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']	)
										__SCREAMING_SNAKE_CASE						:     Dict					=		os.path.join(
										    lowerCAmelCase__			,			(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''merges_file''']	)

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

										__SCREAMING_SNAKE_CASE						:     Optional[Any]					=		0
										with open(lowerCAmelCase__			,			'''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 lowerCAmelCase__	: 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!'''	)
																												__SCREAMING_SNAKE_CASE						:     Tuple					=		token_index
																						writer.write(''' '''.join(lowerCAmelCase__	) + '''\n'''	)
																						index += 1

										return vocab_file, merge_file


				def 		__magic_name__(       self			:Any			,			lowerCAmelCase__			:List[int]			,			lowerCAmelCase__			:Optional[List[int]] = None	)		->			List[int]:
										if token_ids_a is None:
																return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
										__SCREAMING_SNAKE_CASE						:     Union[str, Any]					=		[self.cls_token_id]
										__SCREAMING_SNAKE_CASE						:     Optional[int]					=		[self.sep_token_id]
										return cls + token_ids_a + sep + sep + token_ids_a + sep


				def 		__magic_name__(       self			:str			,			lowerCAmelCase__			:List[int]			,			lowerCAmelCase__			:Optional[List[int]] = None			,			lowerCAmelCase__			:bool = False	)		->			List[int]:
										if already_has_special_tokens:
																return super().get_special_tokens_mask(
																    token_ids_a=lowerCAmelCase__			,			token_ids_a=lowerCAmelCase__			,			already_has_special_tokens=lowerCAmelCase__	)

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


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




import os
import unittest

from transformers.models.transfo_xl.tokenization_transfo_xl import VOCAB_FILES_NAMES, TransfoXLTokenizer

from ...test_tokenization_common import TokenizerTesterMixin
class        _lowercase      (			A__						,			unittest.TestCase       ):






				'''simple docstring'''



				SCREAMING_SNAKE_CASE__				:			Optional[int]						=		TransfoXLTokenizer
				SCREAMING_SNAKE_CASE__				:			int						=		False
				SCREAMING_SNAKE_CASE__				:			Optional[Any]						=		False


				def 		__magic_name__(       self			:str	)		->			Dict:
										super().setUp()

										__SCREAMING_SNAKE_CASE						:     List[str]					=		[
										    '''<unk>''',
										    '''[CLS]''',
										    '''[SEP]''',
										    '''want''',
										    '''unwanted''',
										    '''wa''',
										    '''un''',
										    '''running''',
										    ''',''',
										    '''low''',
										    '''l''',
										]
										__SCREAMING_SNAKE_CASE						:     Any					=		os.path.join(self.tmpdirname			,			VOCAB_FILES_NAMES['''vocab_file''']	)
										with open(self.vocab_file			,			'''w'''			,			encoding='''utf-8'''	) as vocab_writer:
																vocab_writer.write(''''''.join([x + '''\n''' for x in vocab_tokens]	)	)


				def 		__magic_name__(       self			:Any			,			**lowerCAmelCase__			:int	)		->			str:
										__SCREAMING_SNAKE_CASE						:     Optional[Any]					=		True
										return TransfoXLTokenizer.from_pretrained(self.tmpdirname			,			**lowerCAmelCase__	)


				def 		__magic_name__(       self			:Union[str, Any]			,			lowerCAmelCase__			:List[Any]	)		->			Tuple:
										__SCREAMING_SNAKE_CASE						:     Dict					=		'''<unk> UNwanted , running'''
										__SCREAMING_SNAKE_CASE						:     List[str]					=		'''<unk> unwanted, running'''
										return input_text, output_text


				def 		__magic_name__(       self			:Any	)		->			Union[str, Any]:
										__SCREAMING_SNAKE_CASE						:     int					=		TransfoXLTokenizer(vocab_file=self.vocab_file			,			lower_case=lowerCAmelCase__	)

										__SCREAMING_SNAKE_CASE						:     int					=		tokenizer.tokenize('''<unk> UNwanted , running'''	)
										self.assertListEqual(lowerCAmelCase__			,			['''<unk>''', '''unwanted''', ''',''', '''running''']	)

										self.assertListEqual(tokenizer.convert_tokens_to_ids(lowerCAmelCase__	)			,			[0, 4, 8, 7]	)


				def 		__magic_name__(       self			:Tuple	)		->			Union[str, Any]:
										__SCREAMING_SNAKE_CASE						:     Optional[int]					=		TransfoXLTokenizer(lower_case=lowerCAmelCase__	)

										self.assertListEqual(
										    tokenizer.tokenize(''' \tHeLLo ! how  \n Are yoU ?  '''	)			,			['''hello''', '''!''', '''how''', '''are''', '''you''', '''?''']	)


				def 		__magic_name__(       self			:Tuple	)		->			List[Any]:
										__SCREAMING_SNAKE_CASE						:     Union[str, Any]					=		TransfoXLTokenizer(lower_case=lowerCAmelCase__	)

										self.assertListEqual(
										    tokenizer.tokenize(''' \tHeLLo ! how  \n Are yoU ?  '''	)			,			['''HeLLo''', '''!''', '''how''', '''Are''', '''yoU''', '''?''']	)


				def 		__magic_name__(       self			:Dict	)		->			List[Any]:
										__SCREAMING_SNAKE_CASE						:     List[str]					=		TransfoXLTokenizer(lower_case=lowerCAmelCase__	)
										__SCREAMING_SNAKE_CASE						:     Optional[Any]					=		'''Hello (bracket) and side-scrolled [and] Henry\'s $5,000 with 3.34 m. What\'s up!?'''
										__SCREAMING_SNAKE_CASE						:     Optional[int]					=		[
										    '''Hello''',
										    '''(''',
										    '''bracket''',
										    ''')''',
										    '''and''',
										    '''side''',
										    '''@-@''',
										    '''scrolled''',
										    '''[''',
										    '''and''',
										    ''']''',
										    '''Henry''',
										    '''\'s''',
										    '''$''',
										    '''5''',
										    '''@,@''',
										    '''000''',
										    '''with''',
										    '''3''',
										    '''@.@''',
										    '''34''',
										    '''m''',
										    '''.''',
										    '''What''',
										    '''\'s''',
										    '''up''',
										    '''!''',
										    '''?''',
										]

										self.assertListEqual(tokenizer.tokenize(lowerCAmelCase__	)			,			lowerCAmelCase__	)

										self.assertEqual(tokenizer.convert_tokens_to_string(lowerCAmelCase__	)			,			lowerCAmelCase__	)



				def 		__magic_name__(       self			:str	)		->			int:
										__SCREAMING_SNAKE_CASE						:     Union[str, Any]					=		self.get_tokenizer()
										__SCREAMING_SNAKE_CASE						:     Any					=		len(lowerCAmelCase__	)

										tokenizer.add_tokens(['''new1''', '''new2''']	)
										tokenizer.move_added_token('''new1'''			,			1	)

										# Check that moved token is not copied (duplicate)
										self.assertEqual(len(lowerCAmelCase__	)			,			original_len + 2	)
										# Check that token is moved to specified id
										self.assertEqual(tokenizer.encode('''new1'''	)			,			[1]	)
										self.assertEqual(tokenizer.decode([1]	)			,			'''new1'''	)
