


from __future__ import annotations

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

UpperCAmelCase_   :				List[str]						      = TypeVar('T')
UpperCAmelCase_   :				int						      = TypeVar('U')
class 				SCREAMING_SNAKE_CASE__						(       Generic[T, U]    ):
      def __init__( self       : Dict  ,							SCREAMING_SNAKE_CASE__       : T | None  ,							SCREAMING_SNAKE_CASE__       : U | None  )	->    List[Any]:
             a_      :	Optional[Any]							=						key
             a_      :	str							=						val
             a_      :	DoubleLinkedListNode[T, U] | None							=						None
             a_      :	DoubleLinkedListNode[T, U] | None							=						None

      def __repr__( self       : Dict  )	->    str:
             return (
                 F"""Node: key: {self.key}, val: {self.val}, """
                 F"""has next: {bool(self.next  )}, has prev: {bool(self.prev  )}"""
             )
class 				SCREAMING_SNAKE_CASE__						(       Generic[T, U]    ):
      def __init__( self       : Optional[int]  )	->    None:
             a_      :	DoubleLinkedListNode[T, U]							=						DoubleLinkedListNode(SCREAMING_SNAKE_CASE__  ,							SCREAMING_SNAKE_CASE__  )
             a_      :	DoubleLinkedListNode[T, U]							=						DoubleLinkedListNode(SCREAMING_SNAKE_CASE__  ,							SCREAMING_SNAKE_CASE__  )
             a_      :	Optional[int]							=						self.rear, self.head
      def __repr__( self       : int  )	->    str:
             a_      :	Dict							=						['DoubleLinkedList']
             a_      :	int							=						self.head
             while node.next is not None:
                    rep.append(str(SCREAMING_SNAKE_CASE__  )  )
                    a_      :	List[Any]							=						node.next
             rep.append(str(self.rear  )  )
             return ",\n    ".join(SCREAMING_SNAKE_CASE__  )
      def  SCREAMING_SNAKE_CASE							( self       : Optional[int]  ,							SCREAMING_SNAKE_CASE__       : DoubleLinkedListNode[T, U]  )	->    None:
             a_      :	Union[str, Any]							=						self.rear.prev

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

             a_      :	Union[str, Any]							=						node
             a_      :	List[str]							=						previous
             a_      :	Optional[int]							=						node
             a_      :	Tuple							=						self.rear

      def  SCREAMING_SNAKE_CASE							( self       : Optional[int]  ,							SCREAMING_SNAKE_CASE__       : DoubleLinkedListNode[T, U]  )	->    DoubleLinkedListNode[T, U] | None:

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

             a_      :	Union[str, Any]							=						node.next
             a_      :	List[str]							=						node.prev
             a_      :	Union[str, Any]							=						None
             a_      :	str							=						None
             return node
class 				SCREAMING_SNAKE_CASE__						(       Generic[T, U]    ):
      snake_case__       :  dict[Callable[[T], U], LRUCache[T, U]]       =	{}
      def __init__( self       : Optional[int]  ,							SCREAMING_SNAKE_CASE__       : int  )	->    Optional[int]:
             a_      :	DoubleLinkedList[T, U]							=						DoubleLinkedList()
             a_      :	Optional[int]							=						capacity
             a_      :	Tuple							=						0
             a_      :	Optional[int]							=						0
             a_      :	List[str]							=						0
             a_      :	dict[T, DoubleLinkedListNode[T, U]]							=						{}
      def __repr__( self       : str  )	->    str:
             return (
                 F"""CacheInfo(hits={self.hits}, misses={self.miss}, """
                 F"""capacity={self.capacity}, current size={self.num_keys})"""
             )
      def __contains__( self       : Dict  ,							SCREAMING_SNAKE_CASE__       : T  )	->    bool:
             return key in self.cache
      def  SCREAMING_SNAKE_CASE							( self       : Union[str, Any]  ,							SCREAMING_SNAKE_CASE__       : T  )	->    U | None:
             # Note: pythonic interface would throw KeyError rather than return None

             if key in self.cache:
                    self.hits += 1
                    a_      :	DoubleLinkedListNode[T, U]							=						self.cache[key]
                    a_      :	str							=						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(SCREAMING_SNAKE_CASE__  )
                    return node.val
             self.miss += 1
             return None
      def  SCREAMING_SNAKE_CASE							( self       : str  ,							SCREAMING_SNAKE_CASE__       : T  ,							SCREAMING_SNAKE_CASE__       : U  )	->    None:

             if key not in self.cache:
                    if self.num_keys >= self.capacity:
                           # delete first node (oldest) when over capacity
                           a_      :	Optional[Any]							=						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(SCREAMING_SNAKE_CASE__  ) 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_      :	Union[str, Any]							=						DoubleLinkedListNode(SCREAMING_SNAKE_CASE__  ,							SCREAMING_SNAKE_CASE__  )
                    self.list.add(self.cache[key]  )
                    self.num_keys += 1

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

      @classmethod
      def  SCREAMING_SNAKE_CASE							( cls       : Optional[int]  ,							SCREAMING_SNAKE_CASE__       : int = 1_2_8  )	->    Callable[[Callable[[T], U]], Callable[..., U]]:

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

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

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

                    setattr(SCREAMING_SNAKE_CASE__  ,							'cache_info'  ,							SCREAMING_SNAKE_CASE__  )  # noqa: B010

                    return cache_decorator_wrapper

             return cache_decorator_inner


if __name__ == "__main__":
   import doctest

   doctest.testmod()






import os
import tempfile
import unittest

from transformers.models.marian.convert_marian_tatoeba_to_pytorch import DEFAULT_REPO, TatoebaConverter
from transformers.testing_utils import slow
from transformers.utils import cached_property
@unittest.skipUnless(os.path.exists(lowercase__    )		,					'''Tatoeba directory does not exist.'''    )
class 				SCREAMING_SNAKE_CASE__						(       unittest.TestCase    ):
      @cached_property
      def  SCREAMING_SNAKE_CASE							( self       : str  )	->    List[Any]:
             a_      :	Optional[Any]							=						tempfile.mkdtemp()
             return TatoebaConverter(save_dir=SCREAMING_SNAKE_CASE__  )
      @slow
      def  SCREAMING_SNAKE_CASE							( self       : List[Any]  )	->    Optional[Any]:
             self.resolver.convert_models(['heb-eng']  )

      @slow
      def  SCREAMING_SNAKE_CASE							( self       : int  )	->    Any:
             a_							,	a_      :	Dict							=						self.resolver.write_model_card('opus-mt-he-en'  ,							dry_run=SCREAMING_SNAKE_CASE__  )
             assert mmeta["long_pair"] == "heb-eng"


