





import copy
from dataclasses import dataclass, field
from typing import ClassVar, Dict

from ..features import Audio, ClassLabel, Features
from .base import TaskTemplate


@dataclass(frozen=__lowerCamelCase      )
class 						lowerCamelCase       (__lowerCamelCase      ):







							"""simple docstring"""




							UpperCAmelCase_      						=   field(default="audio-classification"							,     metadata={"include_in_asdict_even_if_is_default": True}      )
							UpperCAmelCase_      						=   Features({"audio": Audio()}      )
							UpperCAmelCase_      						=   Features({"labels": ClassLabel}      )
							UpperCAmelCase_      						=   "audio"
							UpperCAmelCase_      						=   "labels"






							def  A_     ( self     :					int,			_UpperCAmelCase     :					Union[str, Any]						)				->			Tuple:





														"""simple docstring"""
														if self.label_column not in features:
																					raise ValueError(F'''Column {self.label_column} is not present in features.'''						)
														if not isinstance(features[self.label_column],			_UpperCAmelCase						):
																					raise ValueError(F'''Column {self.label_column} is not a ClassLabel.'''						)
														SCREAMING_SNAKE_CASE__       :      Optional[Any]     =						copy.deepcopy(self						)
														SCREAMING_SNAKE_CASE__       :      Union[str, Any]     =						self.label_schema.copy()
														SCREAMING_SNAKE_CASE__       :      Tuple     =						features[self.label_column]
														SCREAMING_SNAKE_CASE__       :      Tuple     =						label_schema
														return task_template






							@property
							def  A_     ( self     :					int						)				->			Dict[str, str]:





														"""simple docstring"""
														return {
														    self.audio_column: "audio",
														    self.label_column: "labels",
														}













from queue import PriorityQueue
from typing import Any

import numpy as np




def _a (  SCREAMING_SNAKE_CASE__      :  dict			,				SCREAMING_SNAKE_CASE__      :  str			,				SCREAMING_SNAKE_CASE__      :  set			,				SCREAMING_SNAKE_CASE__      :  set			,				SCREAMING_SNAKE_CASE__      :  dict			,				SCREAMING_SNAKE_CASE__      :  dict			,				SCREAMING_SNAKE_CASE__      :  PriorityQueue			,				SCREAMING_SNAKE_CASE__      :  dict			,				SCREAMING_SNAKE_CASE__      :  float | int			,				)	->    float | int:

							'''simple docstring'''






							for nxt, d in graph[v]:
														if nxt in visited_forward:
																					continue
														SCREAMING_SNAKE_CASE__       :      Union[str, Any]     =						cst_fwd.get(SCREAMING_SNAKE_CASE__			,				np.inf       )
														SCREAMING_SNAKE_CASE__       :      Optional[int]     =						cst_fwd[v] + d
														if new_cost_f < old_cost_f:
																					queue.put((new_cost_f, nxt)       )
																					SCREAMING_SNAKE_CASE__       :      List[Any]     =						new_cost_f
																					SCREAMING_SNAKE_CASE__       :      Union[str, Any]     =						v
														if nxt in visited_backward:
																					if cst_fwd[v] + d + cst_bwd[nxt] < shortest_distance:
																												SCREAMING_SNAKE_CASE__       :      Optional[int]     =						cst_fwd[v] + d + cst_bwd[nxt]
							return shortest_distance




def _a (  SCREAMING_SNAKE_CASE__      :  str			,				SCREAMING_SNAKE_CASE__      :  str			,				SCREAMING_SNAKE_CASE__      :  dict			,				SCREAMING_SNAKE_CASE__      :  dict       )	->    int:

							'''simple docstring'''






							SCREAMING_SNAKE_CASE__       :      Union[str, Any]     =						-1

							SCREAMING_SNAKE_CASE__       :      List[str]     =						set()
							SCREAMING_SNAKE_CASE__       :      List[Any]     =						set()
							SCREAMING_SNAKE_CASE__       :      int     =						{source: 0}
							SCREAMING_SNAKE_CASE__       :      Union[str, Any]     =						{destination: 0}
							SCREAMING_SNAKE_CASE__       :      List[Any]     =						{source: None}
							SCREAMING_SNAKE_CASE__       :      Union[str, Any]     =						{destination: None}
							SCREAMING_SNAKE_CASE__       :      PriorityQueue[Any]     =						PriorityQueue()
							SCREAMING_SNAKE_CASE__       :      PriorityQueue[Any]     =						PriorityQueue()

							SCREAMING_SNAKE_CASE__       :      Dict     =						np.inf

							queue_forward.put((0, source)       )
							queue_backward.put((0, destination)       )

							if source == destination:
														return 0

							while not queue_forward.empty() and not queue_backward.empty():
														SCREAMING_SNAKE_CASE__   ,SCREAMING_SNAKE_CASE__       :      List[str]     =						queue_forward.get()
														visited_forward.add(SCREAMING_SNAKE_CASE__       )

														SCREAMING_SNAKE_CASE__   ,SCREAMING_SNAKE_CASE__       :      List[Any]     =						queue_backward.get()
														visited_backward.add(SCREAMING_SNAKE_CASE__       )

														SCREAMING_SNAKE_CASE__       :      Any     =						pass_and_relaxation(
														    SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				)

														SCREAMING_SNAKE_CASE__       :      List[Any]     =						pass_and_relaxation(
														    SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				SCREAMING_SNAKE_CASE__			,				)

														if cst_fwd[v_fwd] + cst_bwd[v_bwd] >= shortest_distance:
																					break

							if shortest_distance != np.inf:
														SCREAMING_SNAKE_CASE__       :      int     =						shortest_distance
							return shortest_path_distance


_lowerCamelCase :    Optional[Any]  							= {
    '''B''': [['''C''', 1]],
    '''C''': [['''D''', 1]],
    '''D''': [['''F''', 1]],
    '''E''': [['''B''', 1], ['''G''', 2]],
    '''F''': [],
    '''G''': [['''F''', 1]],
}
_lowerCamelCase :    Tuple  							= {
    '''B''': [['''E''', 1]],
    '''C''': [['''B''', 1]],
    '''D''': [['''C''', 1]],
    '''F''': [['''D''', 1], ['''G''', 1]],
    '''E''': [[None, np.inf]],
    '''G''': [['''E''', 2]],
}

if __name__ == "__main__":
		import doctest

		doctest.testmod()






