





from typing import Optional

import pyspark

from .. import Features, NamedSplit
from ..download import DownloadMode
from ..packaged_modules.spark.spark import Spark
from .abc import AbstractDatasetReader





class UpperCAmelCase_				( _SCREAMING_SNAKE_CASE ):


  def __init__(							self ,__snake_case ,__snake_case = None ,__snake_case = None ,__snake_case = True ,__snake_case = None ,__snake_case = False ,__snake_case = None ,__snake_case = True ,__snake_case = "arrow" ,**__snake_case ,):



       """simple docstring"""





       super().__init__(
           split=__snake_case ,features=__snake_case ,cache_dir=__snake_case ,keep_in_memory=__snake_case ,streaming=__snake_case ,**__snake_case ,)
       A_          =       load_from_cache_file
       A_          =       file_format
       A_          =       Spark(
           df=__snake_case ,features=__snake_case ,cache_dir=__snake_case ,working_dir=__snake_case ,**__snake_case ,)




  def 						__UpperCAmelCase     (							self ):



       """simple docstring"""





       if self.streaming:
            return self.builder.as_streaming_dataset(split=self.split )
       A_          =       None if self._load_from_cache_file else DownloadMode.FORCE_REDOWNLOAD
       self.builder.download_and_prepare(
           download_mode=__snake_case ,file_format=self._file_format ,)
       return self.builder.as_dataset(split=self.split )










def      UpperCAmelCase_    (    _UpperCAmelCase							:Any  ,						_UpperCAmelCase							:Dict				)	->				Union[str, Any]:
     '''simple docstring'''


     A_          =       [1]
     for i in range(2  ,						_UpperCAmelCase				):
          factorials.append(factorials[-1] * i				)
     assert 0 <= k < factorials[-1] * n, "k out of bounds"

     A_          =       []
     A_          =       list(range(_UpperCAmelCase				)				)

     # Find permutation
     while factorials:
          A_          =       factorials.pop()
          A_   ,    A_          =       divmod(_UpperCAmelCase  ,						_UpperCAmelCase				)
          permutation.append(elements[number]				)
          elements.remove(elements[number]				)
     permutation.append(elements[0]				)

     return permutation


if __name__ == "__main__":
      import doctest

      doctest.testmod()



