
"""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


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


UpperCamelCase_       :    Union[str, Any]						      =			{'''vocab_file''': '''vocab.json''', '''merges_file''': '''merges.txt'''}

# See all BART models at https://huggingface.co/models?filter=bart
UpperCamelCase_       :    str						      =			{
    '''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[int]						      =			{
    '''facebook/bart-base''': 1024,
    '''facebook/bart-large''': 1024,
    '''facebook/bart-large-mnli''': 1024,
    '''facebook/bart-large-cnn''': 1024,
    '''facebook/bart-large-xsum''': 1024,
    '''yjernite/bart_eli5''': 1024,
}
@lru_cache()
def 				A_  ():

					'''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(UpperCAmelCase__					)
															cs.append(2**8 + n					)
															n += 1
					A_								=    [chr(UpperCAmelCase__					) for n in cs]
					return dict(zip(UpperCAmelCase__					, UpperCAmelCase__					)					)
def 				A_  (__a					):

					'''simple docstring'''





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




class __lowerCAmelCase					(       _lowercase   ):




			"""simple docstring"""







			snake_case						   =					VOCAB_FILES_NAMES
			snake_case						   =					PRETRAINED_VOCAB_FILES_MAP
			snake_case						   =					PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
			snake_case						   =					["input_ids", "attention_mask"]




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







								"""simple docstring"""
								A_								=    AddedToken(__UpperCamelCase							, lstrip=__UpperCamelCase							, rstrip=__UpperCamelCase						) if isinstance(__UpperCamelCase							, __UpperCamelCase						) else bos_token
								A_								=    AddedToken(__UpperCamelCase							, lstrip=__UpperCamelCase							, rstrip=__UpperCamelCase						) if isinstance(__UpperCamelCase							, __UpperCamelCase						) else eos_token
								A_								=    AddedToken(__UpperCamelCase							, lstrip=__UpperCamelCase							, rstrip=__UpperCamelCase						) if isinstance(__UpperCamelCase							, __UpperCamelCase						) else sep_token
								A_								=    AddedToken(__UpperCamelCase							, lstrip=__UpperCamelCase							, rstrip=__UpperCamelCase						) if isinstance(__UpperCamelCase							, __UpperCamelCase						) else cls_token
								A_								=    AddedToken(__UpperCamelCase							, lstrip=__UpperCamelCase							, rstrip=__UpperCamelCase						) if isinstance(__UpperCamelCase							, __UpperCamelCase						) else unk_token
								A_								=    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
								A_								=    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:
													A_								=    json.load(__UpperCamelCase						)
								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(__UpperCamelCase							, 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(__UpperCamelCase							, range(len(__UpperCamelCase						)						)						)						)
								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   lowerCamelCase__  (					self    :       List[Any]						)   ->			Union[str, Any]:







								"""simple docstring"""
								return len(self.encoder						)




			def   lowerCamelCase__  (					self    :       Tuple						)   ->			List[Any]:







								"""simple docstring"""
								return dict(self.encoder							, **self.added_tokens_encoder						)




			def   lowerCamelCase__  (					self    :       List[Any]							, _snake_case    :       Union[str, Any]						)   ->			Any:







								"""simple docstring"""
								if token in self.cache:
													return self.cache[token]
								A_								=    tuple(__UpperCamelCase						)
								A_								=    get_pairs(__UpperCamelCase						)

								if not pairs:
													return token

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




			def   lowerCamelCase__  (					self    :       List[str]							, _snake_case    :       int						)   ->			int:







								"""simple docstring"""
								A_								=    []
								for token in re.findall(self.pat							, __UpperCamelCase						):
													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(__UpperCamelCase						).split(" "						)						)
								return bpe_tokens




			def   lowerCamelCase__  (					self    :       Optional[int]							, _snake_case    :       str						)   ->			Union[str, Any]:







								"""simple docstring"""
								return self.encoder.get(__UpperCamelCase							, self.encoder.get(self.unk_token						)						)




			def   lowerCamelCase__  (					self    :       Optional[Any]							, _snake_case    :       Optional[int]						)   ->			int:







								"""simple docstring"""
								return self.decoder.get(__UpperCamelCase						)




			def   lowerCamelCase__  (					self    :       str							, _snake_case    :       int						)   ->			str:







								"""simple docstring"""
								A_								=    "".join(__UpperCamelCase						)
								A_								=    bytearray([self.byte_decoder[c] for c in text]						).decode("utf-8"							, errors=self.errors						)
								return text




			def   lowerCamelCase__  (					self    :       Tuple							, _snake_case    :       str							, _snake_case    :       Optional[str] = None						)   ->			Optional[int]:







								"""simple docstring"""
								if not os.path.isdir(__UpperCamelCase						):
													logger.error(F'Vocabulary path ({save_directory}) should be a directory'						)
													return
								A_								=    os.path.join(
								    __UpperCamelCase							, (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"]						)
								A_								=    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"						)

								A_								=    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 _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!"						)
																							A_								=    token_index
																		writer.write(" ".join(__UpperCamelCase						) + "\n"						)
																		index += 1

								return vocab_file, merge_file




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







								"""simple docstring"""
								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   lowerCamelCase__  (					self    :       Tuple							, _snake_case    :       List[int]							, _snake_case    :       Optional[List[int]] = None							, _snake_case    :       bool = False						)   ->			Tuple:







								"""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   lowerCamelCase__  (					self    :       Optional[int]							, _snake_case    :       List[int]							, _snake_case    :       Optional[List[int]] = None						)   ->			List[Any]:







								"""simple docstring"""
								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   lowerCamelCase__  (					self    :       Union[str, Any]							, _snake_case    :       Any							, _snake_case    :       Tuple=False							, **_snake_case    :       Union[str, Any]						)   ->			Tuple:







								"""simple docstring"""
								A_								=    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()):
													A_								=    " " + text
								return (text, kwargs)






def   __lowerCAmelCase    (				UpperCAmelCase__					:   int							)	->     int:

							if not isinstance(UpperCAmelCase__      ,					UpperCAmelCase__							):
														raise ValueError("""multiplicative_persistence() only accepts integral values"""							)
							if num < 0:
														raise ValueError("""multiplicative_persistence() does not accept negative values"""							)

							lowerCamelCase_					=       0
							lowerCamelCase_					=       str(UpperCAmelCase__							)

							while len(UpperCAmelCase__							) != 1:
														lowerCamelCase_					=       [int(UpperCAmelCase__							) for i in num_string]

														lowerCamelCase_					=       1
														for i in range(0      ,					len(UpperCAmelCase__							)							):
																					total *= numbers[i]

														lowerCamelCase_					=       str(UpperCAmelCase__							)

														steps += 1
							return steps



def   __lowerCAmelCase    (				UpperCAmelCase__					:   int							)	->     int:

							if not isinstance(UpperCAmelCase__      ,					UpperCAmelCase__							):
														raise ValueError("""additive_persistence() only accepts integral values"""							)
							if num < 0:
														raise ValueError("""additive_persistence() does not accept negative values"""							)

							lowerCamelCase_					=       0
							lowerCamelCase_					=       str(UpperCAmelCase__							)

							while len(UpperCAmelCase__							) != 1:
														lowerCamelCase_					=       [int(UpperCAmelCase__							) for i in num_string]

														lowerCamelCase_					=       0
														for i in range(0      ,					len(UpperCAmelCase__							)							):
																					total += numbers[i]

														lowerCamelCase_					=       str(UpperCAmelCase__							)

														steps += 1
							return steps


if __name__ == "__main__":
		import doctest

		doctest.testmod()





