



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


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

# See all BART models at https://huggingface.co/models?filter=bart
__lowerCAmelCase							:       Tuple          =       {
    '''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''',
    },
}

__lowerCAmelCase							:       Optional[Any]          =       {
    '''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 						__lowerCAmelCase    (		):


						'''simple docstring'''






						snake_case_ :			Optional[Any]            =      (
						    list(range(ord("""!"""     )       ,			ord("""~"""     ) + 1     )     ) + list(range(ord("""¡"""     )       ,			ord("""¬"""     ) + 1     )     ) + list(range(ord("""®"""     )       ,			ord("""ÿ"""     ) + 1     )     )
						)
						snake_case_ :			Tuple            =      bs[:]
						snake_case_ :			Any            =      0
						for b in range(2**8     ):
												if b not in bs:
																		bs.append(__UpperCamelCase     )
																		cs.append(2**8 + n     )
																		n += 1
						snake_case_ :			Dict            =      [chr(__UpperCamelCase     ) for n in cs]
						return dict(zip(__UpperCamelCase       ,			__UpperCamelCase     )     )
def 						__lowerCAmelCase    (		__UpperCamelCase   :      int     ):


						'''simple docstring'''






						snake_case_ :			List[Any]            =      set()
						snake_case_ :			int            =      word[0]
						for char in word[1:]:
												pairs.add((prev_char, char)     )
												snake_case_ :			str            =      char
						return pairs






class  _lowerCAmelCase     (					SCREAMING_SNAKE_CASE__		):





		"""simple docstring"""






		_lowerCamelCase      	=							VOCAB_FILES_NAMES
		_lowerCamelCase      	=							PRETRAINED_VOCAB_FILES_MAP
		_lowerCamelCase      	=							PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
		_lowerCamelCase      	=							['''input_ids''', '''attention_mask''']





		def __init__(       self				,     _lowercase				,     _lowercase				,     _lowercase="replace"				,     _lowercase="<s>"				,     _lowercase="</s>"				,     _lowercase="</s>"				,     _lowercase="<s>"				,     _lowercase="<unk>"				,     _lowercase="<pad>"				,     _lowercase="<mask>"				,     _lowercase=False				,     **_lowercase				,     )			->    Optional[int]:







								'''simple docstring'''

								snake_case_ :			Dict            =      AddedToken(_lowercase				,     lstrip=_lowercase				,     rstrip=_lowercase ) if isinstance(_lowercase				,     _lowercase ) else bos_token
								snake_case_ :			Optional[int]            =      AddedToken(_lowercase				,     lstrip=_lowercase				,     rstrip=_lowercase ) if isinstance(_lowercase				,     _lowercase ) else eos_token
								snake_case_ :			Dict            =      AddedToken(_lowercase				,     lstrip=_lowercase				,     rstrip=_lowercase ) if isinstance(_lowercase				,     _lowercase ) else sep_token
								snake_case_ :			List[Any]            =      AddedToken(_lowercase				,     lstrip=_lowercase				,     rstrip=_lowercase ) if isinstance(_lowercase				,     _lowercase ) else cls_token
								snake_case_ :			Any            =      AddedToken(_lowercase				,     lstrip=_lowercase				,     rstrip=_lowercase ) if isinstance(_lowercase				,     _lowercase ) else unk_token
								snake_case_ :			str            =      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
								snake_case_ :			Tuple            =      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:
														snake_case_ :			Optional[Any]            =      json.load(_lowercase )
								snake_case_ :			Any            =      {v: k for k, v in self.encoder.items()}
								snake_case_ :			Optional[Any]            =      errors  # how to handle errors in decoding
								snake_case_ :			List[Any]            =      bytes_to_unicode()
								snake_case_ :			Tuple            =      {v: k for k, v in self.byte_encoder.items()}
								with open(_lowercase				,     encoding="""utf-8""" ) as merges_handle:
														snake_case_ :			str            =      merges_handle.read().split("""\n""" )[1:-1]
								snake_case_ :			List[Any]            =      [tuple(merge.split() ) for merge in bpe_merges]
								snake_case_ :			List[Any]            =      dict(zip(_lowercase				,     range(len(_lowercase ) ) ) )
								snake_case_ :			Dict            =      {}
								snake_case_ :			List[str]            =      add_prefix_space

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





		@property
		def  UpperCAmelCase__				(       self )			->    Any:







								'''simple docstring'''

								return len(self.encoder )





		def  UpperCAmelCase__				(       self )			->    Optional[int]:







								'''simple docstring'''

								return dict(self.encoder				,     **self.added_tokens_encoder )





		def  UpperCAmelCase__				(       self				,     _lowercase )			->    List[str]:







								'''simple docstring'''

								if token in self.cache:
														return self.cache[token]
								snake_case_ :			Optional[int]            =      tuple(_lowercase )
								snake_case_ :			List[Any]            =      get_pairs(_lowercase )

								if not pairs:
														return token

								while True:
														snake_case_ :			Optional[int]            =      min(_lowercase				,     key=lambda _lowercase : self.bpe_ranks.get(_lowercase				,     float("""inf""" ) ) )
														if bigram not in self.bpe_ranks:
																				break
														snake_case_      ,		snake_case_ :			List[str]            =      bigram
														snake_case_ :			List[str]            =      []
														snake_case_ :			Optional[int]            =      0
														while i < len(_lowercase ):
																				try:
																										snake_case_ :			Any            =      word.index(_lowercase				,     _lowercase )
																				except ValueError:
																										new_word.extend(word[i:] )
																										break
																				else:
																										new_word.extend(word[i:j] )
																										snake_case_ :			List[str]            =      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
														snake_case_ :			Union[str, Any]            =      tuple(_lowercase )
														snake_case_ :			int            =      new_word
														if len(_lowercase ) == 1:
																				break
														else:
																				snake_case_ :			Tuple            =      get_pairs(_lowercase )
								snake_case_ :			Dict            =      """ """.join(_lowercase )
								snake_case_ :			Any            =      word
								return word





		def  UpperCAmelCase__				(       self				,     _lowercase )			->    List[Any]:







								'''simple docstring'''

								snake_case_ :			str            =      []
								for token in re.findall(self.pat				,     _lowercase ):
														snake_case_ :			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(_lowercase ).split(""" """ ) )
								return bpe_tokens





		def  UpperCAmelCase__				(       self				,     _lowercase )			->    Tuple:







								'''simple docstring'''

								return self.encoder.get(_lowercase				,     self.encoder.get(self.unk_token ) )





		def  UpperCAmelCase__				(       self				,     _lowercase )			->    int:







								'''simple docstring'''

								return self.decoder.get(_lowercase )





		def  UpperCAmelCase__				(       self				,     _lowercase )			->    List[str]:







								'''simple docstring'''

								snake_case_ :			str            =      """""".join(_lowercase )
								snake_case_ :			Optional[Any]            =      bytearray([self.byte_decoder[c] for c in text] ).decode("""utf-8"""				,     errors=self.errors )
								return text





		def  UpperCAmelCase__				(       self				,     _lowercase				,     _lowercase = None )			->    Tuple[str]:







								'''simple docstring'''

								if not os.path.isdir(_lowercase ):
														logger.error(f'Vocabulary path ({save_directory}) should be a directory' )
														return
								snake_case_ :			int            =      os.path.join(
								    _lowercase				,     (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""] )
								snake_case_ :			Optional[int]            =      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""" )

								snake_case_ :			Optional[Any]            =      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!""" )
																										snake_case_ :			Union[str, Any]            =      token_index
																				writer.write(""" """.join(_lowercase ) + """\n""" )
																				index += 1

								return vocab_file, merge_file





		def  UpperCAmelCase__				(       self				,     _lowercase				,     _lowercase = None )			->    List[int]:







								'''simple docstring'''

								if token_ids_a is None:
														return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
								snake_case_ :			Dict            =      [self.cls_token_id]
								snake_case_ :			str            =      [self.sep_token_id]
								return cls + token_ids_a + sep + sep + token_ids_a + sep





		def  UpperCAmelCase__				(       self				,     _lowercase				,     _lowercase = None				,     _lowercase = False )			->    List[int]:







								'''simple docstring'''

								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  UpperCAmelCase__				(       self				,     _lowercase				,     _lowercase = None )			->    List[int]:







								'''simple docstring'''

								snake_case_ :			Optional[int]            =      [self.sep_token_id]
								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  UpperCAmelCase__				(       self				,     _lowercase				,     _lowercase=False				,     **_lowercase )			->    List[str]:







								'''simple docstring'''

								snake_case_ :			Any            =      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()):
														snake_case_ :			Any            =      """ """ + text
								return (text, kwargs)




class 							UpperCAmelCase_						:
							"""simple docstring"""







							def __init__(     self			,				_a			,				_a			,				_a			)       ->       List[str]:
												_a      :       List[Any]   =						name
												_a      :       List[str]   =						value
												_a      :       List[str]   =						weight


							def __repr__(     self			)       ->       Optional[int]:
												return F"""{self.__class__.__name__}({self.name}, {self.value}, {self.weight})"""


							def 							__lowercase							(     self			)       ->       List[Any]:
												return self.value


							def 							__lowercase							(     self			)       ->       int:
												return self.name


							def 							__lowercase							(     self			)       ->       Optional[int]:
												return self.weight




							def 							__lowercase							(     self			)       ->       Optional[Any]:
												return self.value / self.weight



def   __UpperCAmelCase					(      __a :     Optional[int]						,__a :     Tuple						,__a :     List[str]      )     ->	List[str]:

					"""simple docstring"""

					_a      :       Optional[int]   =						[]
					for i in range(len(__a      )      ):
										menu.append(Things(name[i]						,value[i]						,weight[i]      )      )
					return menu



def   __UpperCAmelCase					(      __a :     int						,__a :     Union[str, Any]						,__a :     int      )     ->	Union[str, Any]:

					"""simple docstring"""

					_a      :       Union[str, Any]   =						sorted(__a						,key=__a						,reverse=__a      )
					_a      :       Any   =						[]
					_a ,   _a      :       Optional[int]   =						0.0, 0.0
					for i in range(len(__a      )      ):
										if (total_cost + items_copy[i].get_weight()) <= max_cost:
															result.append(items_copy[i]      )
															total_cost += items_copy[i].get_weight()
															total_value += items_copy[i].get_value()
					return (result, total_value)



def   __UpperCAmelCase					(      )     ->	int:

					"""simple docstring"""



if __name__ == "__main__":
			import doctest

			doctest.testmod()



