



"""simple docstring"""
from pathlib import Path

import fire
from tqdm import tqdm

def       _snake_case						(						UpperCamelCase						:		Dict="ro"			,		UpperCamelCase						:		Any="en"			,		UpperCamelCase						:		Dict="wmt16"			,		UpperCamelCase						:		Tuple=None						):
 try:
  import datasets
 except (ModuleNotFoundError, ImportError):
  raise ImportError("""run pip install datasets"""						)
 UpperCAmelCase	:					Any	=	F"{src_lang}-{tgt_lang}"
 print(F"Converting {dataset}-{pair}"						)
 UpperCAmelCase	:					Any	=	datasets.load_dataset(UpperCamelCase			,		UpperCamelCase						)
 if save_dir is None:
  UpperCAmelCase	:					str	=	F"{dataset}-{pair}"
 UpperCAmelCase	:					Union[str, Any]	=	Path(UpperCamelCase						)
 save_dir.mkdir(exist_ok=UpperCamelCase						)

 for split in ds.keys():
  print(F"Splitting {split} with {ds[split].num_rows} records"						)

  # to save to val.source, val.target like summary datasets
  UpperCAmelCase	:					int	=	"""val""" if split == """validation""" else split
  UpperCAmelCase	:					List[str]	=	save_dir.joinpath(F"{fn}.source"						)
  UpperCAmelCase	:					Optional[int]	=	save_dir.joinpath(F"{fn}.target"						)
  UpperCAmelCase	:					Any	=	src_path.open("""w+"""						)
  UpperCAmelCase	:					Optional[int]	=	tgt_path.open("""w+"""						)

  # reader is the bottleneck so writing one record at a time doesn't slow things down
  for x in tqdm(ds[split]						):
   UpperCAmelCase	:					Any	=	x["""translation"""]
   src_fp.write(ex[src_lang] + """\n"""						)
   tgt_fp.write(ex[tgt_lang] + """\n"""						)

 print(F"Saved {dataset} dataset to {save_dir}"						)


if __name__ == "__main__":
      fire.Fire(download_wmt_dataset)





"""simple docstring"""
def       _snake_case						(						UpperCamelCase						:		list						):
 if not isinstance(UpperCamelCase			,		UpperCamelCase						):
  raise ValueError("""Input series is not valid, valid series - [2, 4, 6]"""						)
 if len(UpperCamelCase						) == 0:
  raise ValueError("""Input list must be a non empty list"""						)
 if len(UpperCamelCase						) == 1:
  return True
 UpperCAmelCase	:					Union[str, Any]	=	series[1] - series[0]
 for index in range(len(UpperCamelCase						) - 1						):
  if series[index + 1] - series[index] != common_diff:
   return False
 return True

def       _snake_case						(						UpperCamelCase						:		list						):
 if not isinstance(UpperCamelCase			,		UpperCamelCase						):
  raise ValueError("""Input series is not valid, valid series - [2, 4, 6]"""						)
 if len(UpperCamelCase						) == 0:
  raise ValueError("""Input list must be a non empty list"""						)
 UpperCAmelCase	:					Any	=	0
 for val in series:
  answer += val
 return answer / len(UpperCamelCase						)


if __name__ == "__main__":
      import doctest

      doctest.testmod()
