



'''simple docstring'''





import os
import sys

from transformers.testing_utils import TestCasePlus, execute_subprocess_async, get_gpu_count, require_torch_gpu, slow

from .utils import load_json






class        UpperCAmelCase_       (						A							):

 '''simple docstring'''







 @classmethod
 def        UpperCamelCase     (				cls		:     Optional[Any]   ):



   '''simple docstring'''




   return cls







 @slow
 @require_torch_gpu
 def        UpperCamelCase     (				self		:     Any   ):



   '''simple docstring'''




   UpperCAmelCase__			:				Dict												=       self.get_auto_remove_tmp_dir()
   UpperCAmelCase__			:				List[str]												=       F"""
            --model_name Helsinki-NLP/opus-mt-en-ro
            --save_dir {output_dir}
            --data_dir {self.test_file_dir_str}/test_data/wmt_en_ro
            --num_beams 2
            --task translation
        """.split()

   # we want this test to run even if there is only one GPU, but if there are more we use them all
   UpperCAmelCase__			:				Any												=       get_gpu_count()
   UpperCAmelCase__			:				Union[str, Any]												=       F"""
            -m torch.distributed.launch
            --nproc_per_node={n_gpu}
            {self.test_file_dir}/run_distributed_eval.py
        """.split()
   UpperCAmelCase__			:				List[str]												=       [sys.executable] + distributed_args + args
   execute_subprocess_async(snake_case__ ,							env=self.get_env()   )

   UpperCAmelCase__			:				List[str]												=       os.path.join(snake_case__ ,							"test_bleu.json"   )
   UpperCAmelCase__			:				Dict												=       load_json(snake_case__   )
   # print(metrics)
   self.assertGreaterEqual(metrics["bleu"] ,							25   )





'''simple docstring'''





def snake_case_    (				lowercase__      ,					lowercase__ = 1_3		):
  UpperCAmelCase__			:				Optional[Any]												=       ""
  for c in s:
    if "A" <= c <= "Z":
      out += chr(ord("A"		) + (ord(lowercase__		) - ord("A"		) + n) % 2_6		)
    elif "a" <= c <= "z":
      out += chr(ord("a"		) + (ord(lowercase__		) - ord("a"		) + n) % 2_6		)
    else:
      out += c
  return out







def snake_case_    (				):
  UpperCAmelCase__			:				Dict												=       input("Enter message: "		)

  UpperCAmelCase__			:				Optional[int]												=       dencrypt(lowercase__      ,					1_3		)
  print("Encryption:"      ,					lowercase__		)

  UpperCAmelCase__			:				Union[str, Any]												=       dencrypt(lowercase__      ,					1_3		)
  print("Decryption: "      ,					lowercase__		)


if __name__ == "__main__":
      import doctest

      doctest.testmod()
      main()



