






'''simple docstring'''

import argparse
import shutil
from pathlib import Path

from tqdm import tqdm

from transformers import AutoTokenizer







def     lowercase__ (      __UpperCamelCase		,						__UpperCamelCase		,						__UpperCamelCase		,						__UpperCamelCase=1024    )-> Union[str, Any]:
      UpperCamelCase				  =					[], []

      UpperCamelCase				  =					list(zip(lowercase_		,						lowercase_    )    )
      UpperCamelCase				  =					sorted_examples[0]

      def is_too_big(__UpperCamelCase    ):
            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				  =					src, tgt
            else:  # can fit, keep adding
                  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__ (      __UpperCamelCase		,						__UpperCamelCase		,						__UpperCamelCase		,						__UpperCamelCase    )-> Optional[int]:
      UpperCamelCase				  =					Path(lowercase_    )
      save_path.mkdir(exist_ok=lowercase_    )
      for split in ["train"]:
            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				  =					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				  =					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]:
      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()



import string

def 						UpperCamelCase					(lowercase_: str					)     ->      None:
	for key in range(len(string.ascii_uppercase					)					):
		A__							:    Dict        =		""""""
		for symbol in message:
			if symbol in string.ascii_uppercase:
				A__							:    Dict        =		string.ascii_uppercase.find(lowercase_					)
				A__							:    Optional[int]        =		num - key
				if num < 0:
					A__							:    Optional[int]        =		num + len(string.ascii_uppercase					)
				A__							:    Any        =		translated + string.ascii_uppercase[num]
			else:
				A__							:    Optional[Any]        =		translated + symbol
		print(f"""Decryption using Key #{key}: {translated}"""					)

def 						UpperCamelCase					()     ->      None:
	A__							:    Optional[Any]        =		input("""Encrypted message: """					)
	A__							:    Optional[Any]        =		message.upper()
	decrypt(lowercase_					)


if __name__ == "__main__":
	import doctest

	doctest.testmod()
	main()



