
import argparse
import shutil
from pathlib import Path

from tqdm import tqdm

from transformers import AutoTokenizer


def      UpperCamelCase   (       __lowerCamelCase	:					Tuple							,   __lowerCamelCase	:					List[Any]							,   __lowerCamelCase	:					str							,   __lowerCamelCase	:					Union[str, Any]=1024       ):
       snake_case							,   snake_case			:  List[Any]     							= [], []

       snake_case			:  List[str]     							= list(zip(__a							,   __a       )       )
       snake_case							,   snake_case			:  Optional[Any]     							= sorted_examples[0]

       def is_too_big(__lowerCamelCase	:					Any       ):
              return tok(__a							,   return_tensors="pt"       ).input_ids.shape[1] > max_tokens

       for src, tgt in tqdm(sorted_examples[1:]       ):
              snake_case			:  List[str]     							= new_src + " " + src
              snake_case			:  int     							= new_tgt + " " + tgt
              if is_too_big(__a       ) or is_too_big(__a       ):  # cant fit, finalize example
                     finished_src.append(__a       )
                     finished_tgt.append(__a       )
                     snake_case							,   snake_case			:  Union[str, Any]     							= src, tgt
              else:  # can fit, keep adding
                     snake_case							,   snake_case			:  Any     							= cand_src, cand_tgt

    # cleanup
       if new_src:
              assert new_tgt
              finished_src.append(__a       )
              finished_tgt.append(__a       )
       return finished_src, finished_tgt


def      UpperCamelCase   (       __lowerCamelCase	:					Any							,   __lowerCamelCase	:					int							,   __lowerCamelCase	:					str							,   __lowerCamelCase	:					Optional[int]       ):
       snake_case			:  Dict     							= Path(__a       )
       save_path.mkdir(exist_ok=__a       )
       for split in ["train"]:
              snake_case							,   snake_case			:  int     							= data_dir / f"""{split}.source""", data_dir / f"""{split}.target"""
              snake_case			:  Union[str, Any]     							= [x.rstrip() for x in Path(__a       ).open().readlines()]
              snake_case			:  Dict     							= [x.rstrip() for x in Path(__a       ).open().readlines()]
              snake_case							,   snake_case			:  Any     							= pack_examples(__a							,   __a							,   __a							,   __a       )
              print(f"""packed {split} split from {len(__a       )} examples -> {len(__a       )}."""       )
              Path(save_path / f"""{split}.source"""       ).open("w"       ).write("\n".join(__a       )       )
              Path(save_path / f"""{split}.target"""       ).open("w"       ).write("\n".join(__a       )       )
       for split in ["val", "test"]:
              snake_case							,   snake_case			:  List[Any]     							= data_dir / f"""{split}.source""", data_dir / f"""{split}.target"""
              shutil.copyfile(__a							,   save_path / f"""{split}.source"""       )
              shutil.copyfile(__a							,   save_path / f"""{split}.target"""       )


def      UpperCamelCase   (       ):
       snake_case			:  Any     							= argparse.ArgumentParser()
       parser.add_argument("--tok_name"							,   type=__a							,   help="like facebook/bart-large-cnn,t5-base, etc."       )
       parser.add_argument("--max_seq_len"							,   type=__a							,   default=128       )
       parser.add_argument("--data_dir"							,   type=__a       )
       parser.add_argument("--save_path"							,   type=__a       )
       snake_case			:  Dict     							= parser.parse_args()
       snake_case			:  Optional[int]     							= AutoTokenizer.from_pretrained(args.tok_name       )
       return pack_data_dir(__a							,   Path(args.data_dir       )							,   args.max_seq_len							,   args.save_path       )


if __name__ == "__main__":
   packer_cli()







"""simple docstring"""




from __future__ import annotations

import math



def 							_lowerCamelCase			(			__a     ):

		if num <= 0:
				SCREAMING_SNAKE_CASE_    			=			F'{num}: Invalid input, please enter a positive integer.'
				raise ValueError(__a     )

		SCREAMING_SNAKE_CASE_    			=			[True] * (num + 1)
		SCREAMING_SNAKE_CASE_    			=			[]
		SCREAMING_SNAKE_CASE_    			=			2
		SCREAMING_SNAKE_CASE_    			=			int(math.sqrt(__a     )     )

		while start <= end:
				# If start is a prime
				if sieve[start] is True:
						prime.append(__a     )

						# Set multiples of start be False
						for i in range(start * start,				num + 1,				__a     ):
								if sieve[i] is True:
										SCREAMING_SNAKE_CASE_    			=			False

				start += 1

		for j in range(end + 1,				num + 1     ):
				if sieve[j] is True:
						prime.append(__a     )

		return prime


if __name__ == "__main__":
						print(prime_sieve(int(input('Enter a positive integer: ').strip())))