





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


__UpperCAmelCase       :   str				       =							logging.get_logger(__name__)

__UpperCAmelCase       :   str				       =							{"vocab_file": "vocab.json", "merges_file": "merges.txt", "tokenizer_file": "tokenizer.json"}

__UpperCAmelCase       :   Optional[int]				       =							{
    "tokenizer_file": {
        "EleutherAI/gpt-neox-20b": "https://huggingface.co/EleutherAI/gpt-neox-20b/resolve/main/tokenizer.json",
    },
}

__UpperCAmelCase       :   Optional[int]				       =							{
    "gpt-neox-20b": 2_048,
}







class     __snake_case       (							__lowerCamelCase			):





       '''simple docstring'''







       lowerCAmelCase__      		=     VOCAB_FILES_NAMES
       lowerCAmelCase__      		=     PRETRAINED_VOCAB_FILES_MAP
       lowerCAmelCase__      		=     PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
       lowerCAmelCase__      		=     ["""input_ids""", """attention_mask"""]




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

         __snake_case:						Any   =						json.loads(self.backend_tokenizer.pre_tokenizer.__getstate__()		)
         if pre_tok_state.get("""add_prefix_space"""							,				A		) != add_prefix_space:
           __snake_case:						str   =						getattr(A							,				pre_tok_state.pop("""type"""		)		)
           __snake_case:						Optional[int]   =						add_prefix_space
           __snake_case:						str   =						pre_tok_class(**A		)

         __snake_case:						Dict   =						add_prefix_space




       def 							UpperCAmelCase__ (  self :    int							,				A :    str							,				A :    Optional[str] = None		):
         __snake_case:						List[Any]   =						self._tokenizer.model.save(A							,				name=A		)
         return tuple(A		)






       def 							UpperCAmelCase__ (  self :    Dict							,				A :    "Conversation"		):
         __snake_case:						Union[str, Any]   =						[]
         for is_user, text in conversation.iter_texts():
           input_ids.extend(self.encode(A							,				add_special_tokens=A		) + [self.eos_token_id]		)

         if len(A		) > self.model_max_length:
           __snake_case:						List[Any]   =						input_ids[-self.model_max_length :]
         return input_ids













def 			A__							(    SCREAMING_SNAKE_CASE__)   ->    Union[str, Any]:
  __snake_case:						List[Any]   =						[]
  __snake_case:						List[str]   =						[]
  __snake_case:						List[str]   =						{
      """^""": 3,
      """*""": 2,
      """/""": 2,
      """%""": 2,
      """+""": 1,
      """-""": 1,
  }  # Priority of each operator
  __snake_case:						Union[str, Any]   =						len(SCREAMING_SNAKE_CASE__) if (len(SCREAMING_SNAKE_CASE__) > 7) else 7

  # Print table header for output
  print(
      """Symbol""".center(8)					,					"""Stack""".center(SCREAMING_SNAKE_CASE__)					,					"""Postfix""".center(SCREAMING_SNAKE_CASE__)					,					sep=""" | """					,					)
  print("""-""" * (print_width * 3 + 7))

  for x in infix:
    if x.isalpha() or x.isdigit():
      post_fix.append(SCREAMING_SNAKE_CASE__)  # if x is Alphabet / Digit, add it to Postfix
    elif x == "(":
      stack.append(SCREAMING_SNAKE_CASE__)  # if x is "(" push to Stack
    elif x == ")":  # if x is ")" pop stack until "(" is encountered
      while stack[-1] != "(":
        post_fix.append(stack.pop())  # Pop stack & add the content to Postfix
      stack.pop()
    else:
      if len(SCREAMING_SNAKE_CASE__) == 0:
        stack.append(SCREAMING_SNAKE_CASE__)  # If stack is empty, push x to stack
      else:  # while priority of x is not > priority of element in the stack
        while len(SCREAMING_SNAKE_CASE__) > 0 and priority[x] <= priority[stack[-1]]:
          post_fix.append(stack.pop())  # pop stack & add to Postfix
        stack.append(SCREAMING_SNAKE_CASE__)  # push x to stack

    print(
        x.center(8)					,					("""""".join(SCREAMING_SNAKE_CASE__)).ljust(SCREAMING_SNAKE_CASE__)					,					("""""".join(SCREAMING_SNAKE_CASE__)).ljust(SCREAMING_SNAKE_CASE__)					,					sep=""" | """					,					)  # Output in tabular format

  while len(SCREAMING_SNAKE_CASE__) > 0:  # while stack is not empty
    post_fix.append(stack.pop())  # pop stack & add to Postfix
    print(
        """ """.center(8)					,					("""""".join(SCREAMING_SNAKE_CASE__)).ljust(SCREAMING_SNAKE_CASE__)					,					("""""".join(SCREAMING_SNAKE_CASE__)).ljust(SCREAMING_SNAKE_CASE__)					,					sep=""" | """					,					)  # Output in tabular format

  return "".join(SCREAMING_SNAKE_CASE__)  # return Postfix as str







def 			A__							(    SCREAMING_SNAKE_CASE__)   ->    Tuple:
  __snake_case:						Optional[int]   =						list(infix[::-1])  # reverse the infix equation

  for i in range(len(SCREAMING_SNAKE_CASE__)):
    if infix[i] == "(":
      __snake_case:						int   =						""")"""  # change "(" to ")"
    elif infix[i] == ")":
      __snake_case:						Dict   =						"""("""  # change ")" to "("

  return (infix_2_postfix("""""".join(SCREAMING_SNAKE_CASE__)))[
      ::-1
  ]  # call infix_2_postfix on Infix, return reverse of Postfix


if __name__ == "__main__":
      __UpperCAmelCase       :   Optional[int]				       =							input("\nEnter an Infix Equation = ")  # Input an Infix equation
      __UpperCAmelCase       :   int				       =							"".join(Infix.split())  # Remove spaces from the input
      print("\n\t", Infix, "(Infix) -> ", infix_2_prefix(Infix), "(Prefix)")






