


import argparse
import shutil
from pathlib import Path

from tqdm import tqdm

from transformers import AutoTokenizer
def 	_UpperCamelCase					(    lowerCAmelCase_	,    lowerCAmelCase_	,    lowerCAmelCase_	,    lowerCAmelCase_=1_0_2_4 )    ->Dict:
   UpperCAmelCase					,	UpperCAmelCase      					=  [], []

   UpperCAmelCase      					=  list(zip(lowerCAmelCase_	,    lowerCAmelCase_ ) )
   UpperCAmelCase					,	UpperCAmelCase      					=  sorted_examples[0]

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

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

    # cleanup
   if new_src:
      assert new_tgt
      finished_src.append(lowerCAmelCase_ )
      finished_tgt.append(lowerCAmelCase_ )
   return finished_src, finished_tgt
def 	_UpperCamelCase					(    lowerCAmelCase_	,    lowerCAmelCase_	,    lowerCAmelCase_	,    lowerCAmelCase_ )    ->List[str]:
   UpperCAmelCase      					=  Path(lowerCAmelCase_ )
   save_path.mkdir(exist_ok=lowerCAmelCase_ )
   for split in ["train"]:
      UpperCAmelCase					,	UpperCAmelCase      					=  data_dir / F"""{split}.source""", data_dir / F"""{split}.target"""
      UpperCAmelCase      					=  [x.rstrip() for x in Path(lowerCAmelCase_ ).open().readlines()]
      UpperCAmelCase      					=  [x.rstrip() for x in Path(lowerCAmelCase_ ).open().readlines()]
      UpperCAmelCase					,	UpperCAmelCase      					=  pack_examples(lowerCAmelCase_	,    lowerCAmelCase_	,    lowerCAmelCase_	,    lowerCAmelCase_ )
      print(F"""packed {split} split from {len(lowerCAmelCase_ )} examples -> {len(lowerCAmelCase_ )}.""" )
      Path(save_path / F"""{split}.source""" ).open("""w""" ).write("""\n""".join(lowerCAmelCase_ ) )
      Path(save_path / F"""{split}.target""" ).open("""w""" ).write("""\n""".join(lowerCAmelCase_ ) )
   for split in ["val", "test"]:
      UpperCAmelCase					,	UpperCAmelCase      					=  data_dir / F"""{split}.source""", data_dir / F"""{split}.target"""
      shutil.copyfile(lowerCAmelCase_	,    save_path / F"""{split}.source""" )
      shutil.copyfile(lowerCAmelCase_	,    save_path / F"""{split}.target""" )
def 	_UpperCamelCase					(    )    ->int:
   UpperCAmelCase      					=  argparse.ArgumentParser()
   parser.add_argument("""--tok_name"""	,    type=lowerCAmelCase_	,    help="""like facebook/bart-large-cnn,t5-base, etc.""" )
   parser.add_argument("""--max_seq_len"""	,    type=lowerCAmelCase_	,    default=1_2_8 )
   parser.add_argument("""--data_dir"""	,    type=lowerCAmelCase_ )
   parser.add_argument("""--save_path"""	,    type=lowerCAmelCase_ )
   UpperCAmelCase      					=  parser.parse_args()
   UpperCAmelCase      					=  AutoTokenizer.from_pretrained(args.tok_name )
   return pack_data_dir(lowerCAmelCase_	,    Path(args.data_dir )	,    args.max_seq_len	,    args.save_path )


if __name__ == "__main__":
 packer_cli()







from __future__ import annotations

import math
def 	_UpperCamelCase					(    lowerCAmelCase_ )    ->bool:

   if 1 < number < 4:
      # 2 and 3 are primes
      return True
   elif number < 2 or number % 2 == 0 or number % 3 == 0:
      # Negatives, 0, 1, all even numbers, all multiples of 3 are not primes
      return False

   # All primes number are in format of 6k +/- 1
   for i in range(5	,    int(math.sqrt(lowerCAmelCase_ ) + 1 )	,    6 ):
      if number % i == 0 or number % (i + 2) == 0:
         return False
   return True


__a	 =      [num for num in range(3, 10_0001, 2) if not is_prime(num)]
def 	_UpperCamelCase					(    lowerCAmelCase_ )    ->list[int]:
   if not isinstance(lowerCAmelCase_	,    lowerCAmelCase_ ):
      raise ValueError("""n must be an integer""" )
   if n <= 0:
      raise ValueError("""n must be >= 0""" )

   UpperCAmelCase      					=  []
   for num in range(len(lowerCAmelCase_ ) ):
      UpperCAmelCase      					=  0
      while 2 * i * i <= odd_composites[num]:
         UpperCAmelCase      					=  odd_composites[num] - 2 * i * i
         if is_prime(lowerCAmelCase_ ):
            break
         i += 1
      else:
         list_nums.append(odd_composites[num] )
         if len(lowerCAmelCase_ ) == n:
            return list_nums

   return []
def 	_UpperCamelCase					(    )    ->int:
   return compute_nums(1 )[0]


if __name__ == "__main__":
 print(F"""{solution() = }""")



