'''simple docstring'''




from typing import List, Optional

from tokenizers import ByteLevelBPETokenizer

from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import logging
from .tokenization_blenderbot_small import BlenderbotSmallTokenizer


__lowercase        =    logging.get_logger(__name__)

__lowercase        =    {
    '''vocab_file''': '''vocab.json''',
    '''merges_file''': '''merges.txt''',
    '''tokenizer_config_file''': '''tokenizer_config.json''',
}

__lowercase        =    {
    '''vocab_file''': {
        '''facebook/blenderbot_small-90M''': '''https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/vocab.json'''
    },
    '''merges_file''': {
        '''facebook/blenderbot_small-90M''': '''https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/merges.txt'''
    },
    '''tokenizer_config_file''': {
        '''facebook/blenderbot_small-90M''': (
            '''https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/tokenizer_config.json'''
        )
    },
}

__lowercase        =    {
    '''facebook/blenderbot_small-90M''': 5_1_2,
}






class 							a__(   lowerCAmelCase__      ):


			'''simple docstring'''






			UpperCAmelCase_     :	Union[str, Any]						=			VOCAB_FILES_NAMES
			UpperCAmelCase_     :	Dict						=			PRETRAINED_VOCAB_FILES_MAP
			UpperCAmelCase_     :	List[Any]						=			PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
			UpperCAmelCase_     :	Optional[int]						=			BlenderbotSmallTokenizer



			def __init__(  self			,       __lowerCAmelCase=None			,       __lowerCAmelCase=None			,       __lowerCAmelCase="<|endoftext|>"			,       __lowerCAmelCase="<|endoftext|>"			,       __lowerCAmelCase="<|endoftext|>"			,       __lowerCAmelCase=False			,       __lowerCAmelCase=True			,       **__lowerCAmelCase			,       ):




					"""simple docstring"""


					super().__init__(
					    ByteLevelBPETokenizer(
					        vocab=__lowerCAmelCase			,       merges=__lowerCAmelCase			,       add_prefix_space=__lowerCAmelCase			,       trim_offsets=__lowerCAmelCase			,       )			,       bos_token=__lowerCAmelCase			,       eos_token=__lowerCAmelCase			,       unk_token=__lowerCAmelCase			,       **__lowerCAmelCase			,       )
					lowerCAmelCase     =    add_prefix_space



			def 				a_			(  self			,       __lowerCAmelCase			,       __lowerCAmelCase=None):




					"""simple docstring"""


					lowerCAmelCase     =    [self.bos_token_id] + token_ids_a + [self.eos_token_id]
					if token_ids_a is None:
							return output

					return output + [self.eos_token_id] + token_ids_a + [self.eos_token_id]







			def 				a_			(  self			,       __lowerCAmelCase			,       __lowerCAmelCase = None):




					"""simple docstring"""


					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]





'''simple docstring'''




from functools import lru_cache






@lru_cache
def 							snake_case__				(     _A:   int					)       ->      int:

		'''simple docstring'''


		if num < 0:
				raise ValueError("""Number should not be negative."""					)

		return 1 if num in (0, 1) else num * factorial(num - 1					)


if __name__ == "__main__":
						import doctest

						doctest.testmod()




