



'''simple docstring'''





import pytest

from datasets.utils.sharding import _distribute_shards, _number_of_shards_in_gen_kwargs, _split_gen_kwargs





@pytest.mark.parametrize(
    'kwargs, expected' ,[
        ({'num_shards': 0, 'max_num_jobs': 1}, []),
        ({'num_shards': 10, 'max_num_jobs': 1}, [range(10				)]),
        ({'num_shards': 10, 'max_num_jobs': 10}, [range(_UpperCAmelCase ,i + 1				) for i in range(10				)]),
        ({'num_shards': 1, 'max_num_jobs': 10}, [range(1				)]),
        ({'num_shards': 10, 'max_num_jobs': 3}, [range(0 ,4				), range(4 ,7				), range(7 ,10				)]),
        ({'num_shards': 3, 'max_num_jobs': 10}, [range(0 ,1				), range(1 ,2				), range(2 ,3				)]),
    ] ,)
def   a_   (		_UpperCAmelCase    :      List[Any] ,_UpperCAmelCase    :      Union[str, Any]				)    ->  Union[str, Any]:
      __snake_case :   Dict													=    _distribute_shards(**_UpperCAmelCase				)
      assert out == expected





@pytest.mark.parametrize(
    'gen_kwargs, max_num_jobs, expected' ,[
        ({'foo': 0}, 10, [{'foo': 0}]),
        ({'shards': [0, 1, 2, 3]}, 1, [{'shards': [0, 1, 2, 3]}]),
        ({'shards': [0, 1, 2, 3]}, 4, [{'shards': [0]}, {'shards': [1]}, {'shards': [2]}, {'shards': [3]}]),
        ({'shards': [0, 1]}, 4, [{'shards': [0]}, {'shards': [1]}]),
        ({'shards': [0, 1, 2, 3]}, 2, [{'shards': [0, 1]}, {'shards': [2, 3]}]),
    ] ,)
def   a_   (		_UpperCAmelCase    :      Optional[int] ,_UpperCAmelCase    :      Dict ,_UpperCAmelCase    :      List[str]				)    ->  str:
      __snake_case :   Optional[Any]													=    _split_gen_kwargs(_UpperCAmelCase ,_UpperCAmelCase				)
      assert out == expected





@pytest.mark.parametrize(
    'gen_kwargs, expected' ,[
        ({'foo': 0}, 1),
        ({'shards': [0]}, 1),
        ({'shards': [0, 1, 2, 3]}, 4),
        ({'shards': [0, 1, 2, 3], 'foo': 0}, 4),
        ({'shards': [0, 1, 2, 3], 'other': (0, 1)}, 4),
        ({'shards': [0, 1, 2, 3], 'shards2': [0, 1]}, RuntimeError),
    ] ,)
def   a_   (		_UpperCAmelCase    :      str ,_UpperCAmelCase    :      str				)    ->  Any:
      if expected is RuntimeError:
            with pytest.raises(_UpperCAmelCase				):
                  _number_of_shards_in_gen_kwargs(_UpperCAmelCase				)
      else:
            __snake_case :   List[Any]													=    _number_of_shards_in_gen_kwargs(_UpperCAmelCase				)
            assert out == expected








'''simple docstring'''





from ..utils import DummyObject, requires_backends



class  snake_case__						(    metaclass=SCREAMING_SNAKE_CASE_				):
 A__				= ['''note_seq''']
 def __init__(   self						:							Tuple      ,     *__a						:							int      ,     **__a						:							List[str]  )      ->   Any:







       '''simple docstring'''
       requires_backends(self      ,     ['note_seq']  )
 @classmethod
 def A_   (   cls						:							Optional[Any]      ,     *__a						:							Optional[Any]      ,     **__a						:							List[str]  )      ->   Union[str, Any]:







       '''simple docstring'''
       requires_backends(cls      ,     ['note_seq']  )





 @classmethod
 def A_   (   cls						:							List[Any]      ,     *__a						:							Union[str, Any]      ,     **__a						:							List[str]  )      ->   Any:







       '''simple docstring'''
       requires_backends(cls      ,     ['note_seq']  )



