


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           =		logging.get_logger(__name__)


lowerCAmelCase           =		{'''vocab_file''': '''vocab.json''', '''merges_file''': '''merges.txt'''}

# See all BART models at https://huggingface.co/models?filter=bart
lowerCAmelCase           =		{
    '''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           =		{
    '''facebook/bart-base''': 1_0_2_4,
    '''facebook/bart-large''': 1_0_2_4,
    '''facebook/bart-large-mnli''': 1_0_2_4,
    '''facebook/bart-large-cnn''': 1_0_2_4,
    '''facebook/bart-large-xsum''': 1_0_2_4,
    '''yjernite/bart_eli5''': 1_0_2_4,
}







@lru_cache()
def        _lowerCamelCase(	)						->	Dict:

		'''simple docstring'''







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







def        _lowerCamelCase(	lowercase__	)						->	Optional[Any]:

		'''simple docstring'''







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





class       A    (   A_ ):
							UpperCamelCase_   :							Dict       =VOCAB_FILES_NAMES
							UpperCamelCase_   :							List[str]       =PRETRAINED_VOCAB_FILES_MAP
							UpperCamelCase_   :							str       =PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
							UpperCamelCase_   :							List[str]       =['''input_ids''', '''attention_mask''']


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

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


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


							def 			_A       (self      ,				lowerCAmelCase					):
									if token in self.cache:
											return self.cache[token]
									__lowercase=			tuple(lowerCAmelCase					)
									__lowercase=			get_pairs(lowerCAmelCase					)

									if not pairs:
											return token

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


							def 			_A       (self      ,				lowerCAmelCase					):
									__lowercase=			[]
									for token in re.findall(self.pat      ,				lowerCAmelCase					):
											__lowercase=			''.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      ,				lowerCAmelCase					):
									return self.encoder.get(lowerCAmelCase      ,				self.encoder.get(self.unk_token					)					)


							def 			_A       (self      ,				lowerCAmelCase					):
									return self.decoder.get(lowerCAmelCase					)


							def 			_A       (self      ,				lowerCAmelCase					):
									__lowercase=			''.join(lowerCAmelCase					)
									__lowercase=			bytearray([self.byte_decoder[c] for c in text]					).decode('utf-8'      ,				errors=self.errors					)
									return text


							def 			_A       (self      ,				lowerCAmelCase      ,				lowerCAmelCase = None					):
									if not os.path.isdir(lowerCAmelCase					):
											logger.error(f'Vocabulary path ({save_directory}) should be a directory'					)
											return
									__lowercase=			os.path.join(
									    lowerCAmelCase      ,				(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']					)
									__lowercase=			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'					)

									__lowercase=			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!'					)
															__lowercase=			token_index
													writer.write(' '.join(lowerCAmelCase					) + '\n'					)
													index += 1

									return vocab_file, merge_file


							def 			_A       (self      ,				lowerCAmelCase      ,				lowerCAmelCase = None					):
									if token_ids_a is None:
											return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
									__lowercase=			[self.cls_token_id]
									__lowercase=			[self.sep_token_id]
									return cls + token_ids_a + sep + sep + token_ids_a + sep


							def 			_A       (self      ,				lowerCAmelCase      ,				lowerCAmelCase = None      ,				lowerCAmelCase = 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      ,				lowerCAmelCase      ,				lowerCAmelCase = None					):
									__lowercase=			[self.sep_token_id]
									__lowercase=			[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      ,				lowerCAmelCase      ,				lowerCAmelCase=False      ,				**lowerCAmelCase					):
									__lowercase=			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()):
											__lowercase=			' ' + text
									return (text, kwargs)










import os
import unittest

from huggingface_hub.utils import are_progress_bars_disabled

import transformers.models.bart.tokenization_bart
from transformers import logging
from transformers.testing_utils import CaptureLogger, mockenv, mockenv_context
from transformers.utils.logging import disable_progress_bar, enable_progress_bar





class       A    (   unittest.TestCase ):


							def 			_A       (self					):
									__lowercase=			logging.get_logger()

									# the current default level is logging.WARNING
									__lowercase=			logging.get_verbosity()

									logging.set_verbosity_error()
									self.assertEqual(logger.getEffectiveLevel()      ,				logging.get_verbosity()					)

									logging.set_verbosity_warning()
									self.assertEqual(logger.getEffectiveLevel()      ,				logging.get_verbosity()					)

									logging.set_verbosity_info()
									self.assertEqual(logger.getEffectiveLevel()      ,				logging.get_verbosity()					)

									logging.set_verbosity_debug()
									self.assertEqual(logger.getEffectiveLevel()      ,				logging.get_verbosity()					)

									# restore to the original level
									logging.set_verbosity(lowerCAmelCase					)


							def 			_A       (self					):
									__lowercase=			logging.get_verbosity()

									__lowercase=			logging.get_logger('transformers.models.bart.tokenization_bart'					)
									__lowercase=			'Testing 1, 2, 3'

									# should be able to log warnings (if default settings weren't overridden by `pytest --log-level-all`)
									if level_origin <= logging.WARNING:
											with CaptureLogger(lowerCAmelCase					) as cl:
													logger.warning(lowerCAmelCase					)
											self.assertEqual(cl.out      ,				msg + '\n'					)

									# this is setting the level for all of `transformers.*` loggers
									logging.set_verbosity_error()

									# should not be able to log warnings
									with CaptureLogger(lowerCAmelCase					) as cl:
											logger.warning(lowerCAmelCase					)
									self.assertEqual(cl.out      ,				''					)

									# should be able to log warnings again
									logging.set_verbosity_warning()
									with CaptureLogger(lowerCAmelCase					) as cl:
											logger.warning(lowerCAmelCase					)
									self.assertEqual(cl.out      ,				msg + '\n'					)

									# restore to the original level
									logging.set_verbosity(lowerCAmelCase					)


							@mockenv(TRANSFORMERS_VERBOSITY='error'					)
							def 			_A       (self					):
									# reset for the env var to take effect, next time some logger call is made
									transformers.utils.logging._reset_library_root_logger()
									# this action activates the env var
									__lowercase=			logging.get_logger('transformers.models.bart.tokenization_bart'					)

									__lowercase=			os.getenv('TRANSFORMERS_VERBOSITY'      ,				lowerCAmelCase					)
									__lowercase=			logging.log_levels[env_level_str]

									__lowercase=			logging.get_verbosity()
									self.assertEqual(
									    lowerCAmelCase      ,				lowerCAmelCase      ,				f'TRANSFORMERS_VERBOSITY={env_level_str}/{env_level}, but internal verbosity is {current_level}'      ,				)

									# restore to the original level
									__lowercase=			''
									transformers.utils.logging._reset_library_root_logger()


							@mockenv(TRANSFORMERS_VERBOSITY='super-error'					)
							def 			_A       (self					):
									# reset for the env var to take effect, next time some logger call is made
									transformers.utils.logging._reset_library_root_logger()
									__lowercase=			logging.logging.getLogger()
									with CaptureLogger(lowerCAmelCase					) as cl:
											# this action activates the env var
											logging.get_logger('transformers.models.bart.tokenization_bart'					)
									self.assertIn('Unknown option TRANSFORMERS_VERBOSITY=super-error'      ,				cl.out					)

									# no need to restore as nothing was changed







							def 			_A       (self					):
									# testing `logger.warning_advice()`
									transformers.utils.logging._reset_library_root_logger()

									__lowercase=			logging.get_logger('transformers.models.bart.tokenization_bart'					)
									__lowercase=			'Testing 1, 2, 3'

									with mockenv_context(TRANSFORMERS_NO_ADVISORY_WARNINGS='1'					):
											# nothing should be logged as env var disables this method
											with CaptureLogger(lowerCAmelCase					) as cl:
													logger.warning_advice(lowerCAmelCase					)
											self.assertEqual(cl.out      ,				''					)

									with mockenv_context(TRANSFORMERS_NO_ADVISORY_WARNINGS=''					):
											# should log normally as TRANSFORMERS_NO_ADVISORY_WARNINGS is unset
											with CaptureLogger(lowerCAmelCase					) as cl:
													logger.warning_advice(lowerCAmelCase					)
											self.assertEqual(cl.out      ,				msg + '\n'					)







def        _lowerCamelCase(	)						->	Optional[int]:

		'''simple docstring'''







		disable_progress_bar()
		assert are_progress_bars_disabled()

		enable_progress_bar()
		assert not are_progress_bars_disabled()






