

from __future__ import annotations

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

SCREAMING_SNAKE_CASE						:Any      =			TypeVar("""T""")
SCREAMING_SNAKE_CASE						:Optional[Any]      =			TypeVar("""U""")






class 		__magic_name__ (				Generic[T, U]							):






     def __init__(							self						,		_lowercase						,		_lowercase     )->			int:
         UpperCamelCase_          =		key
         UpperCamelCase_          =		val
         UpperCamelCase_          =		0
         UpperCamelCase_          =		None
         UpperCamelCase_          =		None






     def __repr__(							self     )->			str:
         return "Node: key: {}, val: {}, freq: {}, has next: {}, has prev: {}".format(
             self.key						,		self.val						,		self.freq						,		self.next is not None						,		self.prev is not None     )






class 		__magic_name__ (				Generic[T, U]							):






     def __init__(							self     )->			Optional[Any]:
         UpperCamelCase_          =		DoubleLinkedListNode(_lowerCamelCase						,		_lowerCamelCase     )
         UpperCamelCase_          =		DoubleLinkedListNode(_lowerCamelCase						,		_lowerCamelCase     )
         UpperCamelCase_   ,    UpperCamelCase_          =		self.rear, self.head






     def __repr__(							self     )->			Dict:
         UpperCamelCase_          =		["DoubleLinkedList"]
         UpperCamelCase_          =		self.head
         while node.next is not None:
             rep.append(str(_lowerCamelCase     )     )
             UpperCamelCase_          =		node.next
         rep.append(str(self.rear     )     )
         return ",\n    ".join(_lowerCamelCase     )






     def      UpperCAmelCase_							(							self						,		_lowercase     )->			Optional[int]:
         UpperCamelCase_          =		self.rear.prev

         # All nodes other than self.head are guaranteed to have non-None previous
         assert previous is not None

         UpperCamelCase_          =		node
         UpperCamelCase_          =		previous
         UpperCamelCase_          =		node
         UpperCamelCase_          =		self.rear
         node.freq += 1
         self._position_node(_lowerCamelCase     )






     def      UpperCAmelCase_							(							self						,		_lowercase     )->			int:

         while node.prev is not None and node.prev.freq > node.freq:
             # swap node with previous node
             UpperCamelCase_          =		node.prev

             UpperCamelCase_          =		previous_node.prev
             UpperCamelCase_          =		node.prev
             UpperCamelCase_          =		previous_node
             UpperCamelCase_          =		node






     def      UpperCAmelCase_							(							self						,		_lowercase     )->			Any:

         if node.prev is None or node.next is None:
             return None

         UpperCamelCase_          =		node.next
         UpperCamelCase_          =		node.prev
         UpperCamelCase_          =		None
         UpperCamelCase_          =		None
         return node






class 		__magic_name__ (				Generic[T, U]							):
     UpperCamelCase_     :dict[Callable[[T], U], LFUCache[T, U]]									=	{}






     def __init__(							self						,		_lowercase     )->			Tuple:
         UpperCamelCase_          =		DoubleLinkedList()
         UpperCamelCase_          =		capacity
         UpperCamelCase_          =		0
         UpperCamelCase_          =		0
         UpperCamelCase_          =		0
         UpperCamelCase_          =		{}






     def __repr__(							self     )->			Union[str, Any]:
         return (
             F"CacheInfo(hits={self.hits}, misses={self.miss}, "
             F"capacity={self.capacity}, current_size={self.num_keys})"
         )






     def __contains__(							self						,		_lowercase     )->			Any:
         return key in self.cache






     def      UpperCAmelCase_							(							self						,		_lowercase     )->			Tuple:

         if key in self.cache:
             self.hits += 1
             UpperCamelCase_          =		self.cache[key]
             UpperCamelCase_          =		self.list.remove(self.cache[key]     )
             assert node == value_node

             # node is guaranteed not None because it is in self.cache
             assert node is not None
             self.list.add(_lowerCamelCase     )
             return node.val
         self.miss += 1
         return None






     def      UpperCAmelCase_							(							self						,		_lowercase						,		_lowercase     )->			int:

         if key not in self.cache:
             if self.num_keys >= self.capacity:
                 # delete first node when over capacity
                 UpperCamelCase_          =		self.list.head.next

                 # guaranteed to have a non-None first node when num_keys > 0
                 # explain to type checker via assertions
                 assert first_node is not None
                 assert first_node.key is not None
                 assert self.list.remove(_lowerCamelCase     ) is not None
                 # first_node guaranteed to be in list

                 del self.cache[first_node.key]
                 self.num_keys -= 1
             UpperCamelCase_          =		DoubleLinkedListNode(_lowerCamelCase						,		_lowerCamelCase     )
             self.list.add(self.cache[key]     )
             self.num_keys += 1

         else:
             UpperCamelCase_          =		self.list.remove(self.cache[key]     )
             assert node is not None  # node guaranteed to be in list
             UpperCamelCase_          =		value
             self.list.add(_lowerCamelCase     )






     @classmethod
     def      UpperCAmelCase_							(							cls						,		_lowercase = 128     )->			List[Any]:

         def cache_decorator_inner(_lowercase     ) -> Callable[..., U]:
             def cache_decorator_wrapper(*_lowercase     ) -> U:
                 if func not in cls.decorator_function_to_instance_map:
                     UpperCamelCase_          =		LFUCache(_lowerCamelCase     )

                 UpperCamelCase_          =		cls.decorator_function_to_instance_map[func].get(args[0]     )
                 if result is None:
                     UpperCamelCase_          =		func(*_lowerCamelCase     )
                     cls.decorator_function_to_instance_map[func].put(args[0]						,		_lowerCamelCase     )
                 return result

             def cache_info() -> LFUCache[T, U]:
                 return cls.decorator_function_to_instance_map[func]

             setattr(_lowerCamelCase						,		"cache_info"						,		_lowerCamelCase     )  # noqa: B010

             return cache_decorator_wrapper

         return cache_decorator_inner


if __name__ == "__main__":
 import doctest

 doctest.testmod()

"""simple docstring"""


import abc
import copy
import dataclasses
from dataclasses import dataclass
from typing import ClassVar, Dict, Type, TypeVar

from ..features import Features


a							=TypeVar('T', bound='TaskTemplate')






@dataclass(frozen=__lowerCAmelCase	)
class    __UpperCAmelCase						(	abc.ABC	):
				# `task` is not a ClassVar since we want it to be part of the `asdict` output for JSON serialization
				A__      :   str
				A__      :   ClassVar[Features]
				A__      :   ClassVar[Features]

				def 		_a	(      self	, _lowerCamelCase      ):
										return copy.deepcopy(self      )

				@property
				def 		_a	(      self      ):
										return Features(**self.input_schema	, **self.label_schema      )

				@property
				@abc.abstractmethod
				def 		_a	(      self      ):
										raise NotImplementedError






				@classmethod
				def 		_a	(      cls	, _lowerCamelCase      ):
										lowerCamelCase__					={f.name for f in dataclasses.fields(cls      )}
										return cls(**{k: v for k, v in template_dict.items() if k in field_names}      )


