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

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


@dataclass(frozen=a     )
class 						lowercase    (     a     ):
							# `task` is not a ClassVar since we want it to be part of the `asdict` output for JSON serialization
							lowercase__						:       str								=							field(default="""text-classification"""				,       metadata={"""include_in_asdict_even_if_is_default""": True}     )
							lowercase__						:       ClassVar[Features]								=							Features({"""text""": Value("""string"""     )}     )
							lowercase__						:       ClassVar[Features]								=							Features({"""labels""": ClassLabel}     )
							lowercase__						:       str								=							"text"
							lowercase__						:       str								=							"labels"




							def 	__snake_case(						self   :					Optional[int]	,							_UpperCamelCase   :					List[str]      )					->				Optional[int]:



												'''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    			=       copy.deepcopy(self      )
												SCREAMING_SNAKE_CASE    			=       self.label_schema.copy()
												SCREAMING_SNAKE_CASE    			=       features[self.label_column]
												SCREAMING_SNAKE_CASE    			=       label_schema
												return task_template





							@property
							def 	__snake_case(						self   :					List[str]      )					->				Dict[str, str]:



												'''simple docstring'''

												return {
												    self.text_column: "text",
												    self.label_column: "labels",
												}





from __future__ import annotations

from collections.abc import Iterator
from typing import Generic, TypeVar

_lowerCamelCase					:   Optional[Any]							=		TypeVar('''T''')


class 						lowercase    (     Generic[T]     ):




							def __init__(						self   :					Any	,							_UpperCamelCase   :					T      )					->				Any:



												'''simple docstring'''

												SCREAMING_SNAKE_CASE    			=       data
												SCREAMING_SNAKE_CASE    			=       None





							def __str__(						self   :					Union[str, Any]      )					->				str:



												'''simple docstring'''

												return F"{self.data}"



class 						lowercase    (     Generic[T]     ):




							def __init__(						self   :					Optional[int]      )					->				None:



												'''simple docstring'''

												SCREAMING_SNAKE_CASE    			=       None




							def __iter__(						self   :					str      )					->				Iterator[T]:



												'''simple docstring'''

												SCREAMING_SNAKE_CASE    			=       self.top
												while node:
																	yield node.data
																	SCREAMING_SNAKE_CASE    			=       node.next




							def __str__(						self   :					int      )					->				str:



												'''simple docstring'''

												return "->".join([str(_UpperCamelCase      ) for item in self]      )




							def __len__(						self   :					Tuple      )					->				int:



												'''simple docstring'''

												return len(tuple(iter(self      )      )      )




							def 	__snake_case(						self   :					Union[str, Any]      )					->				bool:



												'''simple docstring'''

												return self.top is None




							def 	__snake_case(						self   :					str	,							_UpperCamelCase   :					T      )					->				None:



												'''simple docstring'''

												SCREAMING_SNAKE_CASE    			=       Node(_UpperCamelCase      )
												if not self.is_empty():
																	SCREAMING_SNAKE_CASE    			=       self.top
												SCREAMING_SNAKE_CASE    			=       node




							def 	__snake_case(						self   :					Union[str, Any]      )					->				T:



												'''simple docstring'''

												if self.is_empty():
																	raise IndexError("pop from empty stack"      )
												assert isinstance(self.top	,							_UpperCamelCase      )
												SCREAMING_SNAKE_CASE    			=       self.top
												SCREAMING_SNAKE_CASE    			=       self.top.next
												return pop_node.data




							def 	__snake_case(						self   :					Union[str, Any]      )					->				T:



												'''simple docstring'''

												if self.is_empty():
																	raise IndexError("peek from empty stack"      )

												assert self.top is not None
												return self.top.data





							def 	__snake_case(						self   :					Dict      )					->				None:



												'''simple docstring'''

												SCREAMING_SNAKE_CASE    			=       None


if __name__ == "__main__":
							from doctest import testmod

							testmod()




