





'''simple docstring'''
import argparse
import shutil
from pathlib import Path

from tqdm import tqdm

from transformers import AutoTokenizer
def 				lowercase__   (   __lowercase						:  int				,  __lowercase						:  Optional[Any]				,  __lowercase						:  Dict				,  __lowercase						:  Optional[int]=1024     ) ->      Dict:



       """simple docstring"""






       __UpperCamelCase       ,						__UpperCamelCase       =  [], []

       __UpperCamelCase       =  list(zip(__lowercase				,  __lowercase     )     )
       __UpperCamelCase       ,						__UpperCamelCase       =  sorted_examples[0]

       def is_too_big(__lowercase						:  Optional[Any]     ):
              return tok(__lowercase				,  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(__lowercase     ) or is_too_big(__lowercase     ):  # cant fit, finalize example
                     finished_src.append(__lowercase     )
                     finished_tgt.append(__lowercase     )
                     __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(__lowercase     )
              finished_tgt.append(__lowercase     )
       return finished_src, finished_tgt
def 				lowercase__   (   __lowercase						:  List[str]				,  __lowercase						:  Path				,  __lowercase						:  Dict				,  __lowercase						:  Dict     ) ->      Optional[Any]:



       """simple docstring"""






       __UpperCamelCase       =  Path(__lowercase     )
       save_path.mkdir(exist_ok=__lowercase     )
       for split in ["train"]:
              __UpperCamelCase       ,						__UpperCamelCase       =  data_dir / F'''{split}.source''', data_dir / F'''{split}.target'''
              __UpperCamelCase       =  [x.rstrip() for x in Path(__lowercase     ).open().readlines()]
              __UpperCamelCase       =  [x.rstrip() for x in Path(__lowercase     ).open().readlines()]
              __UpperCamelCase       ,						__UpperCamelCase       =  pack_examples(__lowercase				,  __lowercase				,  __lowercase				,  __lowercase     )
              print(F'''packed {split} split from {len(__lowercase     )} examples -> {len(__lowercase     )}.'''     )
              Path(save_path / F'''{split}.source'''     ).open('w'     ).write('\n'.join(__lowercase     )     )
              Path(save_path / F'''{split}.target'''     ).open('w'     ).write('\n'.join(__lowercase     )     )
       for split in ["val", "test"]:
              __UpperCamelCase       ,						__UpperCamelCase       =  data_dir / F'''{split}.source''', data_dir / F'''{split}.target'''
              shutil.copyfile(__lowercase				,  save_path / F'''{split}.source'''     )
              shutil.copyfile(__lowercase				,  save_path / F'''{split}.target'''     )
def 				lowercase__   (   ) ->      List[str]:



       """simple docstring"""






       __UpperCamelCase       =  argparse.ArgumentParser()
       parser.add_argument('--tok_name'				,  type=__lowercase				,  help='like facebook/bart-large-cnn,t5-base, etc.'     )
       parser.add_argument('--max_seq_len'				,  type=__lowercase				,  default=128     )
       parser.add_argument('--data_dir'				,  type=__lowercase     )
       parser.add_argument('--save_path'				,  type=__lowercase     )
       __UpperCamelCase       =  parser.parse_args()
       __UpperCamelCase       =  AutoTokenizer.from_pretrained(args.tok_name     )
       return pack_data_dir(__lowercase				,  Path(args.data_dir     )				,  args.max_seq_len				,  args.save_path     )


if __name__ == "__main__":
    packer_cli()





"""simple docstring"""
from __future__ import annotations



class       SCREAMING_SNAKE_CASE__  :

   def __init__(   self      ,     _SCREAMING_SNAKE_CASE						)  ->      None:





    '''simple docstring'''




    UpperCAmelCase	:					Any	=	data
    UpperCAmelCase	:					Node | None	=	None
    UpperCAmelCase	:					Node | None	=	None

def       _snake_case						(						UpperCamelCase						:		Node | None						):  # In Order traversal of the tree
 if tree:
  display(tree.left						)
  print(tree.data						)
  display(tree.right						)

def       _snake_case						(						UpperCamelCase						:		Node | None						):
 return 1 + max(depth_of_tree(tree.left						)			,		depth_of_tree(tree.right						)						) if tree else 0

def       _snake_case						(						UpperCamelCase						:		Node						):
 if not tree:
  return True
 if tree.left and tree.right:
  return is_full_binary_tree(tree.left						) and is_full_binary_tree(tree.right						)
 else:
  return not tree.left and not tree.right

def       _snake_case						(						):  # Main function for testing.
 UpperCAmelCase	:					int	=	Node(1						)
 UpperCAmelCase	:					Tuple	=	Node(2						)
 UpperCAmelCase	:					Any	=	Node(3						)
 UpperCAmelCase	:					Optional[int]	=	Node(4						)
 UpperCAmelCase	:					Any	=	Node(5						)
 UpperCAmelCase	:					Optional[int]	=	Node(6						)
 UpperCAmelCase	:					int	=	Node(7						)
 UpperCAmelCase	:					str	=	Node(8						)
 UpperCAmelCase	:					str	=	Node(9						)

 print(is_full_binary_tree(UpperCamelCase						)						)
 print(depth_of_tree(UpperCamelCase						)						)
 print("""Tree is: """						)
 display(UpperCamelCase						)


if __name__ == "__main__":
      main()
