






"""simple docstring"""




import warnings

from .generation import TFGenerationMixin




class    lowercase_    (_UpperCAmelCase     ):
      # warning at import time
      warnings.warn(
          '''Importing `TFGenerationMixin` from `src/transformers/generation_tf_utils.py` is deprecated and will '''
          '''be removed in Transformers v5. Import as `from transformers import TFGenerationMixin` instead.''',    _UpperCAmelCase,    )









"""simple docstring"""




from __future__ import annotations

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

UpperCamelCase							       =    TypeVar("""T""")
UpperCamelCase							       =    TypeVar("""U""")




class    lowercase_    (Generic[T, U]     ):






      def __init__(    self     ,     a_     ,     a_	)	->Any:







        '''simple docstring'''


        _a							=	key
        _a							=	val
        _a							=	None
        _a							=	None






      def __repr__(    self	)	->str:







        '''simple docstring'''


        return (
            f'''Node: key: {self.key}, val: {self.val}, '''
            f'''has next: {bool(self.next	)}, has prev: {bool(self.prev	)}'''
        )







class    lowercase_    (Generic[T, U]     ):






      def __init__(    self	)	->None:







        '''simple docstring'''


        _a							=	DoubleLinkedListNode(a_     ,     a_	)
        _a							=	DoubleLinkedListNode(a_     ,     a_	)
        _a			,	_a							=	self.rear, self.head






      def __repr__(    self	)	->str:







        '''simple docstring'''


        _a							=	["DoubleLinkedList"]
        _a							=	self.head
        while node.next is not None:
          rep.append(str(a_	)	)
          _a							=	node.next
        rep.append(str(self.rear	)	)
        return ",\n    ".join(a_	)






      def 			lowerCamelCase__    (    self     ,     a_	)	->None:







        '''simple docstring'''


        _a							=	self.rear.prev

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

        _a							=	node
        _a							=	previous
        _a							=	node
        _a							=	self.rear






      def 			lowerCamelCase__    (    self     ,     a_	)	->DoubleLinkedListNode[T, U] | None:







        '''simple docstring'''


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

        _a							=	node.next
        _a							=	node.prev
        _a							=	None
        _a							=	None
        return node







class    lowercase_    (Generic[T, U]     ):
      A__	:		dict[Callable[[T], U], LRUCache[T, U]]       			=				{}






      def __init__(    self     ,     a_	)	->int:







        '''simple docstring'''


        _a							=	DoubleLinkedList()
        _a							=	capacity
        _a							=	0
        _a							=	0
        _a							=	0
        _a							=	{}






      def __repr__(    self	)	->str:







        '''simple docstring'''


        return (
            f'''CacheInfo(hits={self.hits}, misses={self.miss}, '''
            f'''capacity={self.capacity}, current size={self.num_keys})'''
        )






      def __contains__(    self     ,     a_	)	->bool:







        '''simple docstring'''


        return key in self.cache






      def 			lowerCamelCase__    (    self     ,     a_	)	->U | None:







        '''simple docstring'''


        if key in self.cache:
          self.hits += 1
          _a							=	self.cache[key]
          _a							=	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(a_	)
          return node.val
        self.miss += 1
        return None






      def 			lowerCamelCase__    (    self     ,     a_     ,     a_	)	->None:







        '''simple docstring'''


        if key not in self.cache:
          if self.num_keys >= self.capacity:
            # delete first node (oldest) when over capacity
            _a							=	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(a_	) is not None
            )  # node guaranteed to be in list assert node.key is not None

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

        else:
          # bump node to the end of the list, update value
          _a							=	self.list.remove(self.cache[key]	)
          assert node is not None  # node guaranteed to be in list
          _a							=	value
          self.list.add(a_	)






      @classmethod
      def 			lowerCamelCase__    (    cls     ,     a_ = 1_2_8	)	->Callable[[Callable[[T], U]], Callable[..., U]]:







        '''simple docstring'''


        def cache_decorator_inner(a_	) -> Callable[..., U]:
          def cache_decorator_wrapper(*a_	) -> U:
            if func not in cls.decorator_function_to_instance_map:
              _a							=	LRUCache(a_	)

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

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

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

          return cache_decorator_wrapper

        return cache_decorator_inner


if __name__ == "__main__":
     import doctest

     doctest.testmod()


