import json
from typing import TYPE_CHECKING, List, Optional, Tuple

from tokenizers import pre_tokenizers

from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import logging


if TYPE_CHECKING:
				from transformers.pipelines.conversational import Conversation


_lowercase:	str       			=		logging.get_logger(__name__)

_lowercase:	Dict       			=		{'''vocab_file''': '''vocab.json''', '''merges_file''': '''merges.txt''', '''tokenizer_file''': '''tokenizer.json'''}

_lowercase:	str       			=		{
    '''tokenizer_file''': {
        '''EleutherAI/gpt-neox-20b''': '''https://huggingface.co/EleutherAI/gpt-neox-20b/resolve/main/tokenizer.json''',
    },
}

_lowercase:	int       			=		{
    '''gpt-neox-20b''': 2_0_4_8,
}



class        lowerCamelCase__				(   UpperCAmelCase				):
			UpperCamelCase__    							=VOCAB_FILES_NAMES
			UpperCamelCase__    							=PRETRAINED_VOCAB_FILES_MAP
			UpperCamelCase__    							=PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
			UpperCamelCase__    							=["input_ids", "attention_mask"]





			def __init__(       self	:	Union[str, Any]  ,  lowercase__	:	List[str]=None  ,  lowercase__	:	List[str]=None  ,  lowercase__	:	Dict=None  ,  lowercase__	:	Optional[Any]="<|endoftext|>"  ,  lowercase__	:	Union[str, Any]="<|endoftext|>"  ,  lowercase__	:	Union[str, Any]="<|endoftext|>"  ,  lowercase__	:	Optional[int]=False  ,  **lowercase__	:	Any  ,  ):
										super().__init__(
										    lowercase__  ,  lowercase__  ,  tokenizer_file=lowercase__  ,  unk_token=lowercase__  ,  bos_token=lowercase__  ,  eos_token=lowercase__  ,  add_prefix_space=lowercase__  ,  **lowercase__  ,  )

										_lowerCAmelCase							=							json.loads(self.backend_tokenizer.pre_tokenizer.__getstate__()						)
										if pre_tok_state.get('add_prefix_space'  ,  lowercase__						) != add_prefix_space:
																	_lowerCAmelCase							=							getattr(lowercase__  ,  pre_tok_state.pop('type'						)						)
																	_lowerCAmelCase							=							add_prefix_space
																	_lowerCAmelCase							=							pre_tok_class(**lowercase__						)

										_lowerCAmelCase							=							add_prefix_space





			def   SCREAMING_SNAKE_CASE__     (       self	:	str  ,  lowercase__	:	str  ,  lowercase__	:	Optional[str] = None						):
										_lowerCAmelCase							=							self._tokenizer.model.save(lowercase__  ,  name=lowercase__						)
										return tuple(lowercase__						)





			def   SCREAMING_SNAKE_CASE__     (       self	:	List[Any]  ,  lowercase__	:	"Conversation"						):
										_lowerCAmelCase							=							[]
										for is_user, text in conversation.iter_texts():
																	input_ids.extend(self.encode(lowercase__  ,  add_special_tokens=lowercase__						) + [self.eos_token_id]						)

										if len(lowercase__						) > self.model_max_length:
																	_lowerCAmelCase							=							input_ids[-self.model_max_length :]
										return input_ids







def _lowerCamelCase  (		snake_case  ):
							assert (
							    isinstance(snake_case     , snake_case  ) and number_of_steps > 0
							), F'number_of_steps needs to be positive integer, your input {number_of_steps}'
							if number_of_steps == 1:
														return 1
							_lowerCAmelCase			,		_lowerCAmelCase							=							1, 1
							for _ in range(number_of_steps - 1  ):
														_lowerCAmelCase			,		_lowerCAmelCase							=							current + previous, current
							return current


if __name__ == "__main__":
				import doctest

				doctest.testmod()






