




'''simple docstring'''


from __future__ import annotations

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

_snake_case   :   Optional[int]     							=	TypeVar('T')
_snake_case   :   Union[str, Any]     							=	TypeVar('U')

class     A					(	Generic[T, U]					):







							def __init__(						self :						Tuple							,    lowerCAmelCase_ :						T | None							,    lowerCAmelCase_ :						U | None      )    ->							Optional[Any]:


														"""simple docstring"""


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







							def __repr__(						self :						Optional[Any]      )    ->							str:


														"""simple docstring"""


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



class     A					(	Generic[T, U]					):







							def __init__(						self :						str      )    ->							None:


														"""simple docstring"""


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







							def __repr__(						self :						Dict      )    ->							str:


														"""simple docstring"""


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







							def      __lowerCAmelCase    (						self :						Optional[int]							,    lowerCAmelCase_ :						DoubleLinkedListNode[T, U]      )    ->							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 :						Dict							,    lowerCAmelCase_ :						DoubleLinkedListNode[T, U]      )    ->							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     A					(	Generic[T, U]					):
							lowercase_           =       {}







							def __init__(						self :						str							,    lowerCAmelCase_ :						int      )    ->							Optional[Any]:


														"""simple docstring"""


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







							def __repr__(						self :						int      )    ->							str:


														"""simple docstring"""


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







							def __contains__(						self :						List[Any]							,    lowerCAmelCase_ :						T      )    ->							bool:


														"""simple docstring"""


														return key in self.cache







							def      __lowerCAmelCase    (						self :						List[str]							,    lowerCAmelCase_ :						T      )    ->							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(lowerCAmelCase_      )
																					return node.val
														self.miss += 1
														return None







							def      __lowerCAmelCase    (						self :						Optional[int]							,    lowerCAmelCase_ :						T							,    lowerCAmelCase_ :						U      )    ->							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(lowerCAmelCase_      ) 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(lowerCAmelCase_							,    lowerCAmelCase_      )
																					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(lowerCAmelCase_      )







							@classmethod
							def      __lowerCAmelCase    (						cls :						int							,    lowerCAmelCase_ :						int = 1_28      )    ->							Callable[[Callable[[T], U]], Callable[..., U]]:


														"""simple docstring"""


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

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

																					def cache_info() -> LRUCache[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'''


from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_torch_available,
    is_vision_available,
)


_snake_case   :   List[Any]     							=	{'configuration_beit': ['BEIT_PRETRAINED_CONFIG_ARCHIVE_MAP', 'BeitConfig', 'BeitOnnxConfig']}

try:
				if not is_vision_available():
								raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
				pass
else:
				_snake_case   :   Any     							=	['BeitFeatureExtractor']
				_snake_case   :   Any     							=	['BeitImageProcessor']

try:
				if not is_torch_available():
								raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
				pass
else:
				_snake_case   :   List[str]     							=	[
				    'BEIT_PRETRAINED_MODEL_ARCHIVE_LIST',
				    'BeitForImageClassification',
				    'BeitForMaskedImageModeling',
				    'BeitForSemanticSegmentation',
				    'BeitModel',
				    'BeitPreTrainedModel',
				]


try:
				if not is_flax_available():
								raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
				pass
else:
				_snake_case   :   List[str]     							=	[
				    'FlaxBeitForImageClassification',
				    'FlaxBeitForMaskedImageModeling',
				    'FlaxBeitModel',
				    'FlaxBeitPreTrainedModel',
				]

if TYPE_CHECKING:
				from .configuration_beit import BEIT_PRETRAINED_CONFIG_ARCHIVE_MAP, BeitConfig, BeitOnnxConfig

				try:
								if not is_vision_available():
												raise OptionalDependencyNotAvailable()
				except OptionalDependencyNotAvailable:
								pass
				else:
								from .feature_extraction_beit import BeitFeatureExtractor
								from .image_processing_beit import BeitImageProcessor

				try:
								if not is_torch_available():
												raise OptionalDependencyNotAvailable()
				except OptionalDependencyNotAvailable:
								pass
				else:
								from .modeling_beit import (
								    BEIT_PRETRAINED_MODEL_ARCHIVE_LIST,
								    BeitForImageClassification,
								    BeitForMaskedImageModeling,
								    BeitForSemanticSegmentation,
								    BeitModel,
								    BeitPreTrainedModel,
								)

				try:
								if not is_flax_available():
												raise OptionalDependencyNotAvailable()
				except OptionalDependencyNotAvailable:
								pass
				else:
								from .modeling_flax_beit import (
								    FlaxBeitForImageClassification,
								    FlaxBeitForMaskedImageModeling,
								    FlaxBeitModel,
								    FlaxBeitPreTrainedModel,
								)


else:
				import sys

				_snake_case   :   Union[str, Any]     							=	_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)

