

"""simple docstring"""





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


_a       =							logging.get_logger(__name__)


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




def   _A  (  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",			)	->						DatasetType:
   '''simple docstring'''


   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(UpperCamelCase_):
      if not isinstance(UpperCamelCase_,			(Dataset, IterableDataset)):
         if isinstance(UpperCamelCase_,			(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(UpperCamelCase_)}\n"""
                F"""Please pick one to interleave with the other datasets, for example: dataset['{next(iter(UpperCamelCase_))}']""")
         raise ValueError(
             F"""Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} is a {type(UpperCamelCase_).__name__}.""")
      if i == 0:
         __lowercase		,__lowercase								=						(
             (Dataset, IterableDataset) if isinstance(UpperCamelCase_,			UpperCamelCase_) else (IterableDataset, Dataset)
         )
      elif not isinstance(UpperCamelCase_,			UpperCamelCase_):
         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(
          UpperCamelCase_,			UpperCamelCase_,			UpperCamelCase_,			info=UpperCamelCase_,			split=UpperCamelCase_,			stopping_strategy=UpperCamelCase_)
   else:
      return _interleave_iterable_datasets(
          UpperCamelCase_,			UpperCamelCase_,			UpperCamelCase_,			info=UpperCamelCase_,			split=UpperCamelCase_,			stopping_strategy=UpperCamelCase_)




def   _A  (  UpperCamelCase_     :       List[DatasetType],			UpperCamelCase_     :       Optional[DatasetInfo] = None,			UpperCamelCase_     :       Optional[NamedSplit] = None,			UpperCamelCase_     :       int = 0,			)	->						DatasetType:
   '''simple docstring'''


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







"""simple docstring"""





from __future__ import annotations

from typing import Any




class 					_lowerCAmelCase  :







 """simple docstring"""







 def __init__(			self							:			Any,					UpperCAmelCase__							:			int	):
    __lowercase								=						num_of_nodes
    __lowercase								=						[]
    __lowercase								=						{}


 def 					_lowercase (			self							:			Optional[Any],					UpperCAmelCase__							:			int,					UpperCAmelCase__							:			int,					UpperCAmelCase__							:			int	):
    self.m_edges.append([u_node, v_node, weight]	)


 def 					_lowercase (			self							:			Union[str, Any],					UpperCAmelCase__							:			int	):

    if self.m_component[u_node] == u_node:
       return u_node
    return self.find_component(self.m_component[u_node]	)


 def 					_lowercase (			self							:			List[Any],					UpperCAmelCase__							:			int	):

    if self.m_component[u_node] != u_node:
       for k in self.m_component:
          __lowercase								=						self.find_component(UpperCAmelCase__	)


 def 					_lowercase (			self							:			Union[str, Any],					UpperCAmelCase__							:			list[int],					UpperCAmelCase__							:			int,					UpperCAmelCase__							:			int	):

    if component_size[u_node] <= component_size[v_node]:
       __lowercase								=						v_node
       component_size[v_node] += component_size[u_node]
       self.set_component(UpperCAmelCase__	)

    elif component_size[u_node] >= component_size[v_node]:
       __lowercase								=						self.find_component(UpperCAmelCase__	)
       component_size[u_node] += component_size[v_node]
       self.set_component(UpperCAmelCase__	)



 def 					_lowercase (			self							:			Any	):
    __lowercase								=						[]
    __lowercase								=						0

    __lowercase								=						[-1] * self.m_num_of_nodes

    # A list of components (initialized to all of the nodes)
    for node in range(self.m_num_of_nodes	):
       self.m_component.update({node: node}	)
       component_size.append(1	)

    __lowercase								=						self.m_num_of_nodes

    while num_of_components > 1:
       for edge in self.m_edges:
          __lowercase		,__lowercase		,__lowercase								=						edge

          __lowercase								=						self.m_component[u]
          __lowercase								=						self.m_component[v]

          if u_component != v_component:

             for component in (u_component, v_component):
                if (
                    minimum_weight_edge[component] == -1
                    or minimum_weight_edge[component][2] > w
                ):
                   __lowercase								=						[u, v, w]

       for edge in minimum_weight_edge:
          if isinstance(UpperCAmelCase__,					UpperCAmelCase__	):
             __lowercase		,__lowercase		,__lowercase								=						edge

             __lowercase								=						self.m_component[u]
             __lowercase								=						self.m_component[v]

             if u_component != v_component:
                mst_weight += w
                self.union(UpperCAmelCase__,					UpperCAmelCase__,					UpperCAmelCase__	)
                print(F"""Added edge [{u} - {v}]\nAdded weight: {w}\n"""	)
                num_of_components -= 1

       __lowercase								=						[-1] * self.m_num_of_nodes
    print(F"""The total weight of the minimal spanning tree is: {mst_weight}"""	)







def   _A  (  )	->						None:
   '''simple docstring'''




if __name__ == "__main__":
   import doctest

   doctest.testmod()




