






import functools
import logging
import os
import sys
import threading
from logging import (
    CRITICAL,  # NOQA
    DEBUG,  # NOQA
    ERROR,  # NOQA
    FATAL,  # NOQA
    INFO,  # NOQA
    NOTSET,  # NOQA
    WARN,  # NOQA
    WARNING,  # NOQA
)
from typing import Optional

import huggingface_hub.utils as hf_hub_utils
from tqdm import auto as tqdm_lib


_UpperCAmelCase			:		Optional[int]   				=    threading.Lock()
_UpperCAmelCase			:		Tuple   				=    None

_UpperCAmelCase			:		Optional[Any]   				=    {
    "debug": logging.DEBUG,
    "info": logging.INFO,
    "warning": logging.WARNING,
    "error": logging.ERROR,
    "critical": logging.CRITICAL,
}

_UpperCAmelCase			:		Optional[Any]   				=    logging.WARNING

_UpperCAmelCase			:		List[Any]   				=    True





def 	lowerCAmelCase_		()		->    Any:


				'''simple docstring'''




				lowerCAmelCase__      			=						os.getenv('''TRANSFORMERS_VERBOSITY'''     ,					a_       )
				if env_level_str:
								if env_level_str in log_levels:
												return log_levels[env_level_str]
								else:
												logging.getLogger().warning(
												    f'Unknown option TRANSFORMERS_VERBOSITY={env_level_str}, '
												    f'has to be one of: { ", ".join(log_levels.keys()       ) }'       )
				return _default_log_level





def 	lowerCAmelCase_		()		->    List[Any]:


				'''simple docstring'''




				return __name__.split('''.'''       )[0]





def 	lowerCAmelCase_		()		->    Optional[int]:


				'''simple docstring'''




				return logging.getLogger(_get_library_name()       )





def 	lowerCAmelCase_		()		->    List[Any]:


				'''simple docstring'''




				global _default_handler

				with _lock:
								if _default_handler:
												# This library has already configured the library root logger.
												return
								lowerCAmelCase__      			=						logging.StreamHandler()  # Set sys.stderr as stream.
								lowerCAmelCase__      			=						sys.stderr.flush

								# Apply our default configuration to the library root logger.
								lowerCAmelCase__      			=						_get_library_root_logger()
								library_root_logger.addHandler(_default_handler       )
								library_root_logger.setLevel(_get_default_logging_level()       )
								lowerCAmelCase__      			=						False





def 	lowerCAmelCase_		()		->    Dict:


				'''simple docstring'''




				global _default_handler

				with _lock:
								if not _default_handler:
												return

								lowerCAmelCase__      			=						_get_library_root_logger()
								library_root_logger.removeHandler(_default_handler       )
								library_root_logger.setLevel(logging.NOTSET       )
								lowerCAmelCase__      			=						None





def 	lowerCAmelCase_		()		->    Any:


				'''simple docstring'''




				return log_levels





def 	lowerCAmelCase_		(lowercase__						:       Optional[str] = None       )		->    Optional[int]:


				'''simple docstring'''




				if name is None:
								lowerCAmelCase__      			=						_get_library_name()

				_configure_library_root_logger()
				return logging.getLogger(a_       )





def 	lowerCAmelCase_		()		->    Any:


				'''simple docstring'''




				_configure_library_root_logger()
				return _get_library_root_logger().getEffectiveLevel()





def 	lowerCAmelCase_		(lowercase__						:       int       )		->    Optional[int]:


				'''simple docstring'''




				_configure_library_root_logger()
				_get_library_root_logger().setLevel(a_       )





def 	lowerCAmelCase_		()		->    Any:


				'''simple docstring'''




				return set_verbosity(a_       )





def 	lowerCAmelCase_		()		->    Union[str, Any]:


				'''simple docstring'''




				return set_verbosity(a_       )





def 	lowerCAmelCase_		()		->    Any:


				'''simple docstring'''




				return set_verbosity(a_       )





def 	lowerCAmelCase_		()		->    List[Any]:


				'''simple docstring'''




				return set_verbosity(a_       )





def 	lowerCAmelCase_		()		->    Dict:


				'''simple docstring'''




				_configure_library_root_logger()

				assert _default_handler is not None
				_get_library_root_logger().removeHandler(_default_handler       )





def 	lowerCAmelCase_		()		->    Dict:


				'''simple docstring'''




				_configure_library_root_logger()

				assert _default_handler is not None
				_get_library_root_logger().addHandler(_default_handler       )





def 	lowerCAmelCase_		(lowercase__						:       logging.Handler       )		->    Dict:


				'''simple docstring'''




				_configure_library_root_logger()

				assert handler is not None
				_get_library_root_logger().addHandler(a_       )





def 	lowerCAmelCase_		(lowercase__						:       logging.Handler       )		->    str:


				'''simple docstring'''




				_configure_library_root_logger()

				assert handler is not None and handler not in _get_library_root_logger().handlers
				_get_library_root_logger().removeHandler(a_       )





def 	lowerCAmelCase_		()		->    Tuple:


				'''simple docstring'''




				_configure_library_root_logger()
				lowerCAmelCase__      			=						False





def 	lowerCAmelCase_		()		->    Dict:


				'''simple docstring'''




				_configure_library_root_logger()
				lowerCAmelCase__      			=						True





def 	lowerCAmelCase_		()		->    Optional[Any]:


				'''simple docstring'''




				lowerCAmelCase__      			=						_get_library_root_logger().handlers

				for handler in handlers:
								lowerCAmelCase__      			=						logging.Formatter('''[%(levelname)s|%(filename)s:%(lineno)s] %(asctime)s >> %(message)s'''       )
								handler.setFormatter(a_       )





def 	lowerCAmelCase_		()		->    Dict:


				'''simple docstring'''




				lowerCAmelCase__      			=						_get_library_root_logger().handlers

				for handler in handlers:
								handler.setFormatter(a_       )





def 	lowerCAmelCase_		(self						:       Optional[int]     ,					*lowercase__						:       str     ,					**lowercase__						:       List[Any]       )		->    Any:


				'''simple docstring'''




				lowerCAmelCase__      			=						os.getenv('''TRANSFORMERS_NO_ADVISORY_WARNINGS'''     ,					a_       )
				if no_advisory_warnings:
								return
				self.warning(*a_     ,					**a_       )


_UpperCAmelCase			:		Any   				=    warning_advice





@functools.lru_cache(a_       )
def 	lowerCAmelCase_		(self						:       int     ,					*lowercase__						:       Union[str, Any]     ,					**lowercase__						:       Optional[Any]       )		->    List[str]:


				'''simple docstring'''




				self.warning(*a_     ,					**a_       )


_UpperCAmelCase			:		List[str]   				=    warning_once
class  lowerCAmelCase_       :




							def __init__(   self     :   Any ,							*SCREAMING_SNAKE_CASE_     :   str ,							**SCREAMING_SNAKE_CASE_     :   List[str]	):  # pylint: disable=unused-argument
											lowerCAmelCase__      			=						args[0] if args else None




							def __iter__(   self     :   Optional[int]	):
											return iter(self._iterator	)




							def __getattr__(   self     :   Optional[int] ,							SCREAMING_SNAKE_CASE_     :   Dict	):

											def empty_fn(*SCREAMING_SNAKE_CASE_     :   List[Any] ,							**SCREAMING_SNAKE_CASE_     :   Union[str, Any]	):  # pylint: disable=unused-argument
															return

											return empty_fn




							def __enter__(   self     :   Union[str, Any]	):
											return self




							def __exit__(   self     :   Optional[int] ,							SCREAMING_SNAKE_CASE_     :   Any ,							SCREAMING_SNAKE_CASE_     :   List[str] ,							SCREAMING_SNAKE_CASE_     :   Optional[Any]	):
											return



class  lowerCAmelCase_       :




							def __call__(   self     :   Optional[int] ,							*SCREAMING_SNAKE_CASE_     :   Dict ,							**SCREAMING_SNAKE_CASE_     :   Optional[Any]	):
											if _tqdm_active:
															return tqdm_lib.tqdm(*__snake_case ,							**__snake_case	)
											else:
															return EmptyTqdm(*__snake_case ,							**__snake_case	)




							def 						__snake_case					(   self     :   int ,							*SCREAMING_SNAKE_CASE_     :   Union[str, Any] ,							**SCREAMING_SNAKE_CASE_     :   Union[str, Any]	):
											lowerCAmelCase__      			=						None
											if _tqdm_active:
															return tqdm_lib.tqdm.set_lock(*__snake_case ,							**__snake_case	)




							def 						__snake_case					(   self     :   Tuple	):
											if _tqdm_active:
															return tqdm_lib.tqdm.get_lock()



_UpperCAmelCase			:		Optional[int]   				=    _tqdm_cls()





def 	lowerCAmelCase_		()		->    str:


				'''simple docstring'''




				global _tqdm_active
				return bool(_tqdm_active       )





def 	lowerCAmelCase_		()		->    List[Any]:


				'''simple docstring'''




				global _tqdm_active
				lowerCAmelCase__      			=						True
				hf_hub_utils.enable_progress_bars()





def 	lowerCAmelCase_		()		->    str:


				'''simple docstring'''




				global _tqdm_active
				lowerCAmelCase__      			=						False
				hf_hub_utils.disable_progress_bars()







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			:		int   				=    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			:		Dict   				=    {
    "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			:		Tuple   				=    {
    "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 	lowerCAmelCase_		()		->    Union[str, Any]:


				'''simple docstring'''




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





def 	lowerCAmelCase_		(lowercase__						:       Optional[int]       )		->    Optional[int]:


				'''simple docstring'''




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




class  lowerCAmelCase_       (				snake_case__					):
							UpperCamelCase_		:List[str]		      =    VOCAB_FILES_NAMES
							UpperCamelCase_		:Union[str, Any]		      =    PRETRAINED_VOCAB_FILES_MAP
							UpperCamelCase_		:Union[str, Any]		      =    PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
							UpperCamelCase_		:str		      =    ['input_ids', 'attention_mask']




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

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

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

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

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




							@property
							def 						__snake_case					(   self     :   List[str]	):
											return len(self.encoder	)




							def 						__snake_case					(   self     :   Union[str, Any]	):
											return dict(self.encoder ,							**self.added_tokens_encoder	)




							def 						__snake_case					(   self     :   Optional[Any] ,							SCREAMING_SNAKE_CASE_     :   Tuple	):
											if token in self.cache:
															return self.cache[token]
											lowerCAmelCase__      			=						tuple(SCREAMING_SNAKE_CASE_	)
											lowerCAmelCase__      			=						get_pairs(SCREAMING_SNAKE_CASE_	)

											if not pairs:
															return token

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

																			if word[i] == first and i < len(SCREAMING_SNAKE_CASE_	) - 1 and word[i + 1] == second:
																							new_word.append(first + second	)
																							i += 2
																			else:
																							new_word.append(word[i]	)
																							i += 1
															lowerCAmelCase__      			=						tuple(SCREAMING_SNAKE_CASE_	)
															lowerCAmelCase__      			=						new_word
															if len(SCREAMING_SNAKE_CASE_	) == 1:
																			break
															else:
																			lowerCAmelCase__      			=						get_pairs(SCREAMING_SNAKE_CASE_	)
											lowerCAmelCase__      			=						''' '''.join(SCREAMING_SNAKE_CASE_	)
											lowerCAmelCase__      			=						word
											return word




							def 						__snake_case					(   self     :   Union[str, Any] ,							SCREAMING_SNAKE_CASE_     :   Any	):
											lowerCAmelCase__      			=						[]
											for token in re.findall(self.pat ,							SCREAMING_SNAKE_CASE_	):
															lowerCAmelCase__      			=						''''''.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(SCREAMING_SNAKE_CASE_	).split(''' '''	)	)
											return bpe_tokens




							def 						__snake_case					(   self     :   Any ,							SCREAMING_SNAKE_CASE_     :   List[Any]	):
											return self.encoder.get(SCREAMING_SNAKE_CASE_ ,							self.encoder.get(self.unk_token	)	)




							def 						__snake_case					(   self     :   Optional[Any] ,							SCREAMING_SNAKE_CASE_     :   str	):
											return self.decoder.get(SCREAMING_SNAKE_CASE_	)




							def 						__snake_case					(   self     :   Any ,							SCREAMING_SNAKE_CASE_     :   Optional[Any]	):
											lowerCAmelCase__      			=						''''''.join(SCREAMING_SNAKE_CASE_	)
											lowerCAmelCase__      			=						bytearray([self.byte_decoder[c] for c in text]	).decode('''utf-8''' ,							errors=self.errors	)
											return text




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

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

											lowerCAmelCase__      			=						0
											with open(SCREAMING_SNAKE_CASE_ ,							'''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 SCREAMING_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!'''	)
																							lowerCAmelCase__      			=						token_index
																			writer.write(''' '''.join(SCREAMING_SNAKE_CASE_	) + '''\n'''	)
																			index += 1

											return vocab_file, merge_file




							def 						__snake_case					(   self     :   int ,							SCREAMING_SNAKE_CASE_     :   List[int] ,							SCREAMING_SNAKE_CASE_     :   Optional[List[int]] = None	):
											if token_ids_a is None:
															return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
											lowerCAmelCase__      			=						[self.cls_token_id]
											lowerCAmelCase__      			=						[self.sep_token_id]
											return cls + token_ids_a + sep + sep + token_ids_a + sep




							def 						__snake_case					(   self     :   Optional[int] ,							SCREAMING_SNAKE_CASE_     :   List[int] ,							SCREAMING_SNAKE_CASE_     :   Optional[List[int]] = None ,							SCREAMING_SNAKE_CASE_     :   bool = False	):
											if already_has_special_tokens:
															return super().get_special_tokens_mask(
															    token_ids_a=SCREAMING_SNAKE_CASE_ ,							token_ids_a=SCREAMING_SNAKE_CASE_ ,							already_has_special_tokens=SCREAMING_SNAKE_CASE_	)

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




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





