


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						:				List[Any]             =      logging.get_logger(__name__)


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

# See all BART models at https://huggingface.co/models?filter=bart
UpperCamelCase						:				int             =      {
    'vocab_file': {
        'facebook/bart-base': 'https://huggingface.co/facebook/bart-base/resolve/main/vocab.json',
        'facebook/bart-large': 'https://huggingface.co/facebook/bart-large/resolve/main/vocab.json',
        'facebook/bart-large-mnli': 'https://huggingface.co/facebook/bart-large-mnli/resolve/main/vocab.json',
        'facebook/bart-large-cnn': 'https://huggingface.co/facebook/bart-large-cnn/resolve/main/vocab.json',
        'facebook/bart-large-xsum': 'https://huggingface.co/facebook/bart-large-xsum/resolve/main/vocab.json',
        'yjernite/bart_eli5': 'https://huggingface.co/yjernite/bart_eli5/resolve/main/vocab.json',
    },
    'merges_file': {
        'facebook/bart-base': 'https://huggingface.co/facebook/bart-base/resolve/main/merges.txt',
        'facebook/bart-large': 'https://huggingface.co/facebook/bart-large/resolve/main/merges.txt',
        'facebook/bart-large-mnli': 'https://huggingface.co/facebook/bart-large-mnli/resolve/main/merges.txt',
        'facebook/bart-large-cnn': 'https://huggingface.co/facebook/bart-large-cnn/resolve/main/merges.txt',
        'facebook/bart-large-xsum': 'https://huggingface.co/facebook/bart-large-xsum/resolve/main/merges.txt',
        'yjernite/bart_eli5': 'https://huggingface.co/yjernite/bart_eli5/resolve/main/merges.txt',
    },
}

UpperCamelCase						:				Optional[Any]             =      {
    'facebook/bart-base': 1_024,
    'facebook/bart-large': 1_024,
    'facebook/bart-large-mnli': 1_024,
    'facebook/bart-large-cnn': 1_024,
    'facebook/bart-large-xsum': 1_024,
    'yjernite/bart_eli5': 1_024,
}







@lru_cache()
def  __snake_case       (   )      ->		List[Any]:







		"""simple docstring"""





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







def  __snake_case       (   UpperCamelCase__	)      ->		List[str]:







		"""simple docstring"""





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



class 			lowerCamelCase__						(   UpperCAmelCase_			):
						lowerCAmelCase       =     VOCAB_FILES_NAMES
						lowerCAmelCase       =     PRETRAINED_VOCAB_FILES_MAP
						lowerCAmelCase       =     PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
						lowerCAmelCase       =     ["""input_ids""", """attention_mask"""]







						def __init__(							self   :    Any			,			_lowercase   :    Tuple			,			_lowercase   :    List[Any]			,			_lowercase   :    Tuple="replace"			,			_lowercase   :    Any="<s>"			,			_lowercase   :    Optional[Any]="</s>"			,			_lowercase   :    Optional[int]="</s>"			,			_lowercase   :    str="<s>"			,			_lowercase   :    Any="<unk>"			,			_lowercase   :    List[str]="<pad>"			,			_lowercase   :    Any="<mask>"			,			_lowercase   :    Tuple=False			,			**_lowercase   :    str			,			):
								A					       = AddedToken(_lowerCAmelCase			,			lstrip=_lowerCAmelCase			,			rstrip=_lowerCAmelCase		) if isinstance(_lowerCAmelCase			,			_lowerCAmelCase		) else bos_token
								A					       = AddedToken(_lowerCAmelCase			,			lstrip=_lowerCAmelCase			,			rstrip=_lowerCAmelCase		) if isinstance(_lowerCAmelCase			,			_lowerCAmelCase		) else eos_token
								A					       = AddedToken(_lowerCAmelCase			,			lstrip=_lowerCAmelCase			,			rstrip=_lowerCAmelCase		) if isinstance(_lowerCAmelCase			,			_lowerCAmelCase		) else sep_token
								A					       = AddedToken(_lowerCAmelCase			,			lstrip=_lowerCAmelCase			,			rstrip=_lowerCAmelCase		) if isinstance(_lowerCAmelCase			,			_lowerCAmelCase		) else cls_token
								A					       = AddedToken(_lowerCAmelCase			,			lstrip=_lowerCAmelCase			,			rstrip=_lowerCAmelCase		) if isinstance(_lowerCAmelCase			,			_lowerCAmelCase		) else unk_token
								A					       = 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
								A					       = 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:
										A					       = json.load(_lowerCAmelCase		)
								A					       = {v: k for k, v in self.encoder.items()}
								A					       = errors  # how to handle errors in decoding
								A					       = bytes_to_unicode()
								A					       = {v: k for k, v in self.byte_encoder.items()}
								with open(_lowerCAmelCase			,			encoding='utf-8'		) as merges_handle:
										A					       = merges_handle.read().split('\n'		)[1:-1]
								A					       = [tuple(merge.split()		) for merge in bpe_merges]
								A					       = dict(zip(_lowerCAmelCase			,			range(len(_lowerCAmelCase		)		)		)		)
								A					       = {}
								A					       = add_prefix_space

								# Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
								A					       = 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]		):
								return len(self.encoder		)







						def __a						(							self   :    Optional[Any]		):
								return dict(self.encoder			,			**self.added_tokens_encoder		)







						def __a						(							self   :    Optional[Any]			,			_lowercase   :    Optional[Any]		):
								if token in self.cache:
										return self.cache[token]
								A					       = tuple(_lowerCAmelCase		)
								A					       = get_pairs(_lowerCAmelCase		)

								if not pairs:
										return token

								while True:
										A					       = min(_lowerCAmelCase			,			key=lambda _lowercase		: self.bpe_ranks.get(_lowerCAmelCase			,			float('inf'		)		)		)
										if bigram not in self.bpe_ranks:
												break
										A       , A					       = bigram
										A					       = []
										A					       = 0
										while i < len(_lowerCAmelCase		):
												try:
														A					       = word.index(_lowerCAmelCase			,			_lowerCAmelCase		)
												except ValueError:
														new_word.extend(word[i:]		)
														break
												else:
														new_word.extend(word[i:j]		)
														A					       = 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
										A					       = tuple(_lowerCAmelCase		)
										A					       = new_word
										if len(_lowerCAmelCase		) == 1:
												break
										else:
												A					       = get_pairs(_lowerCAmelCase		)
								A					       = ' '.join(_lowerCAmelCase		)
								A					       = word
								return word







						def __a						(							self   :    List[str]			,			_lowercase   :    Dict		):
								A					       = []
								for token in re.findall(self.pat			,			_lowerCAmelCase		):
										A					       = ''.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 __a						(							self   :    Tuple			,			_lowercase   :    int		):
								return self.encoder.get(_lowerCAmelCase			,			self.encoder.get(self.unk_token		)		)







						def __a						(							self   :    List[Any]			,			_lowercase   :    List[str]		):
								return self.decoder.get(_lowerCAmelCase		)







						def __a						(							self   :    str			,			_lowercase   :    Any		):
								A					       = ''.join(_lowerCAmelCase		)
								A					       = bytearray([self.byte_decoder[c] for c in text]		).decode('utf-8'			,			errors=self.errors		)
								return text







						def __a						(							self   :    Tuple			,			_lowercase   :    List[str]			,			_lowercase   :    Optional[Any] = None		):
								if not os.path.isdir(_lowerCAmelCase		):
										logger.error(f'Vocabulary path ({save_directory}) should be a directory'		)
										return
								A					       = os.path.join(
								    _lowerCAmelCase			,			(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']		)
								A					       = 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'		)

								A					       = 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 _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!'		)
														A					       = token_index
												writer.write(' '.join(_lowerCAmelCase		) + '\n'		)
												index += 1

								return vocab_file, merge_file







						def __a						(							self   :    str			,			_lowercase   :    Dict			,			_lowercase   :    Optional[int] = None		):
								if token_ids_a is None:
										return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
								A					       = [self.cls_token_id]
								A					       = [self.sep_token_id]
								return cls + token_ids_a + sep + sep + token_ids_a + sep







						def __a						(							self   :    Dict			,			_lowercase   :    Union[str, Any]			,			_lowercase   :    Optional[int] = None			,			_lowercase   :    str = False		):
								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 __a						(							self   :    Any			,			_lowercase   :    Optional[Any]			,			_lowercase   :    str = None		):
								A					       = [self.sep_token_id]
								A					       = [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   :    Dict			,			_lowercase   :    Tuple			,			_lowercase   :    Tuple=False			,			**_lowercase   :    Union[str, Any]		):
								A					       = 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()):
										A					       = ' ' + text
								return (text, kwargs)









"""simple docstring"""


def  __snake_case       (   UpperCamelCase__ ,			UpperCamelCase__	)      ->		int:







		"""simple docstring"""





		while b:
				A       , A					       = b, a % b
		return a







def  __snake_case       (   UpperCamelCase__ ,			UpperCamelCase__	)      ->		int:







		"""simple docstring"""





		return a if b == 0 else euclidean_gcd_recursive(UpperCamelCase__ ,			a % b	)







def  __snake_case       (   )      ->		List[Any]:







		"""simple docstring"""





		print(f'euclidean_gcd(3, 5) = {euclidean_gcd(3 ,			5	)}'	)
		print(f'euclidean_gcd(5, 3) = {euclidean_gcd(5 ,			3	)}'	)
		print(f'euclidean_gcd(1, 3) = {euclidean_gcd(1 ,			3	)}'	)
		print(f'euclidean_gcd(3, 6) = {euclidean_gcd(3 ,			6	)}'	)
		print(f'euclidean_gcd(6, 3) = {euclidean_gcd(6 ,			3	)}'	)

		print(f'euclidean_gcd_recursive(3, 5) = {euclidean_gcd_recursive(3 ,			5	)}'	)
		print(f'euclidean_gcd_recursive(5, 3) = {euclidean_gcd_recursive(5 ,			3	)}'	)
		print(f'euclidean_gcd_recursive(1, 3) = {euclidean_gcd_recursive(1 ,			3	)}'	)
		print(f'euclidean_gcd_recursive(3, 6) = {euclidean_gcd_recursive(3 ,			6	)}'	)
		print(f'euclidean_gcd_recursive(6, 3) = {euclidean_gcd_recursive(6 ,			3	)}'	)


if __name__ == "__main__":
	main()





