from typing import List, Optional, TypeVar

from .arrow_dataset import Dataset, _concatenate_map_style_datasets, _interleave_map_style_datasets
from .dataset_dict import DatasetDict, IterableDatasetDict
from .info import DatasetInfo
from .iterable_dataset import IterableDataset, _concatenate_iterable_datasets, _interleave_iterable_datasets
from .splits import NamedSplit
from .utils import logging
from .utils.py_utils import Literal


__magic_name__    							=							logging.get_logger(__name__)


__magic_name__    							=							TypeVar('''DatasetType''', Dataset, IterableDataset)






def 							UpperCAmelCase__(					__UpperCAmelCase			:     List[DatasetType]     ,				__UpperCAmelCase			:     Optional[List[float]] = None     ,				__UpperCAmelCase			:     Optional[int] = None     ,				__UpperCAmelCase			:     Optional[DatasetInfo] = None     ,				__UpperCAmelCase			:     Optional[NamedSplit] = None     ,				__UpperCAmelCase			:     Literal["first_exhausted", "all_exhausted"] = "first_exhausted"     ,				):
   from .arrow_dataset import Dataset
   from .iterable_dataset import IterableDataset

   if not datasets:
      raise ValueError('Unable to interleave an empty list of datasets.'       )
   for i, dataset in enumerate(lowerCamelCase_       ):
      if not isinstance(lowerCamelCase_     ,				(Dataset, IterableDataset)       ):
         if isinstance(lowerCamelCase_     ,				(DatasetDict, IterableDatasetDict)       ):
            if not dataset:
               raise ValueError(
                   F"""Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} """
                   'is an empty dataset dictionary.'       )
            raise ValueError(
                F"""Dataset at position {i} has at least one split: {list(lowerCamelCase_       )}\n"""
                F"""Please pick one to interleave with the other datasets, for example: dataset[\'{next(iter(lowerCamelCase_       )       )}\']"""       )
         raise ValueError(
             F"""Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} is a {type(lowerCamelCase_       ).__name__}."""       )
      if i == 0:
         __snake_case   :			Dict										=						(
             (Dataset, IterableDataset) if isinstance(lowerCamelCase_     ,				lowerCamelCase_       ) else (IterableDataset, Dataset)
         )
      elif not isinstance(lowerCamelCase_     ,				lowerCamelCase_       ):
         raise ValueError(
             F"""Unable to interleave a {dataset_type.__name__} (at position 0) with a {other_type.__name__} (at position {i}). Expected a list of Dataset objects or a list of IterableDataset objects."""       )
   if stopping_strategy not in ["first_exhausted", "all_exhausted"]:
      raise ValueError(F"""{stopping_strategy} is not supported. Please enter a valid stopping_strategy."""       )
   if dataset_type is Dataset:
      return _interleave_map_style_datasets(
          lowerCamelCase_     ,				lowerCamelCase_     ,				lowerCamelCase_     ,				info=lowerCamelCase_     ,				split=lowerCamelCase_     ,				stopping_strategy=lowerCamelCase_       )
   else:
      return _interleave_iterable_datasets(
          lowerCamelCase_     ,				lowerCamelCase_     ,				lowerCamelCase_     ,				info=lowerCamelCase_     ,				split=lowerCamelCase_     ,				stopping_strategy=lowerCamelCase_       )







def 							UpperCAmelCase__(					__UpperCAmelCase			:     List[DatasetType]     ,				__UpperCAmelCase			:     Optional[DatasetInfo] = None     ,				__UpperCAmelCase			:     Optional[NamedSplit] = None     ,				__UpperCAmelCase			:     int = 0     ,				):





   if not dsets:
      raise ValueError('Unable to concatenate an empty list of datasets.'       )
   for i, dataset in enumerate(lowerCamelCase_       ):
      if not isinstance(lowerCamelCase_     ,				(Dataset, IterableDataset)       ):
         if isinstance(lowerCamelCase_     ,				(DatasetDict, IterableDatasetDict)       ):
            if not dataset:
               raise ValueError(
                   F"""Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} """
                   'is an empty dataset dictionary.'       )
            raise ValueError(
                F"""Dataset at position {i} has at least one split: {list(lowerCamelCase_       )}\n"""
                F"""Please pick one to interleave with the other datasets, for example: dataset[\'{next(iter(lowerCamelCase_       )       )}\']"""       )
         raise ValueError(
             F"""Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} is a {type(lowerCamelCase_       ).__name__}."""       )
      if i == 0:
         __snake_case   :			Any										=						(
             (Dataset, IterableDataset) if isinstance(lowerCamelCase_     ,				lowerCamelCase_       ) else (IterableDataset, Dataset)
         )
      elif not isinstance(lowerCamelCase_     ,				lowerCamelCase_       ):
         raise ValueError(
             F"""Unable to interleave a {dataset_type.__name__} (at position 0) with a {other_type.__name__} (at position {i}). Expected a list of Dataset objects or a list of IterableDataset objects."""       )
   if dataset_type is Dataset:
      return _concatenate_map_style_datasets(lowerCamelCase_     ,				info=lowerCamelCase_     ,				split=lowerCamelCase_     ,				axis=lowerCamelCase_       )
   else:
      return _concatenate_iterable_datasets(lowerCamelCase_     ,				info=lowerCamelCase_     ,				split=lowerCamelCase_     ,				axis=lowerCamelCase_       )









from __future__ import annotations





def        __UpperCAmelCase						(							lowerCamelCase_ :     list[float]  )       ->  float:







			"""simple docstring"""





			SCREAMING_SNAKE_CASE_   : Tuple					  =      0.0_0
			SCREAMING_SNAKE_CASE_   : Tuple					  =      0
			for resistor in resistors:
						if resistor <= 0:
									SCREAMING_SNAKE_CASE_   : Optional[Any]					  =      F'Resistor at index {index} has a negative or zero value!'
									raise ValueError(lowerCamelCase_  )
						first_sum += 1 / float(lowerCamelCase_  )
						index += 1
			return 1 / first_sum





def        __UpperCAmelCase						(							lowerCamelCase_ :     list[float]  )       ->  float:







			"""simple docstring"""





			SCREAMING_SNAKE_CASE_   : Dict					  =      0.0_0
			SCREAMING_SNAKE_CASE_   : Union[str, Any]					  =      0
			for resistor in resistors:
						sum_r += resistor
						if resistor < 0:
									SCREAMING_SNAKE_CASE_   : Union[str, Any]					  =      F'Resistor at index {index} has a negative value!'
									raise ValueError(lowerCamelCase_  )
						index += 1
			return sum_r


if __name__ == "__main__":
						import doctest

						doctest.testmod()



