





from __future__ import annotations

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

__A       : str						    = TypeVar("T")
__A       : str						    = TypeVar("U")







class     lowerCamelCase(	Generic[T, U]  ):
					'''simple docstring'''


					def __init__(						self							,    snake_case_							,    snake_case_       ):
									_A    =       key
									_A    =       val
									_A    =       0
									_A    =       None
									_A    =       None




					def __repr__(						self       ):
									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     lowerCamelCase(	Generic[T, U]  ):
					'''simple docstring'''


					def __init__(						self       ):
									_A    =       DoubleLinkedListNode(snake_case_							,    snake_case_       )
									_A    =       DoubleLinkedListNode(snake_case_							,    snake_case_       )
									_A, _A    =       self.rear, self.head




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




					def 					lowerCAmelCase__		(						self							,    snake_case_       ):
									_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
									node.freq += 1
									self._position_node(snake_case_       )




					def 					lowerCAmelCase__		(						self							,    snake_case_       ):

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

													_A    =       previous_node.prev
													_A    =       node.prev
													_A    =       previous_node
													_A    =       node




					def 					lowerCAmelCase__		(						self							,    snake_case_       ):

									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     lowerCamelCase(	Generic[T, U]  ):
					'''simple docstring'''


					__magic_name__        = {}




					def __init__(						self							,    snake_case_       ):
									_A    =       DoubleLinkedList()
									_A    =       capacity
									_A    =       0
									_A    =       0
									_A    =       0
									_A    =       {}




					def __repr__(						self       ):
									return (
									    F"CacheInfo(hits={self.hits}, misses={self.miss}, "
									    F"capacity={self.capacity}, current_size={self.num_keys})"
									)




					def __contains__(						self							,    snake_case_       ):
									return key in self.cache




					def 					lowerCAmelCase__		(						self							,    snake_case_       ):

									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(snake_case_       )
													return node.val
									self.miss += 1
									return None




					def 					lowerCAmelCase__		(						self							,    snake_case_							,    snake_case_       ):

									if key not in self.cache:
													if self.num_keys >= self.capacity:
																	# delete first node 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(snake_case_       ) is not None
																	# first_node guaranteed to be in list

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

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




					@classmethod
					def 					lowerCAmelCase__		(						cls							,    snake_case_ = 128       ):

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

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

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

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

													return cache_decorator_wrapper

									return cache_decorator_inner


if __name__ == "__main__":
	import doctest

	doctest.testmod()












from transformers import SqueezeBertTokenizer, SqueezeBertTokenizerFast
from transformers.testing_utils import require_tokenizers, slow

from ..bert.test_tokenization_bert import BertTokenizationTest







@require_tokenizers
class     lowerCamelCase(	__snake_case  ):
     '''simple docstring'''


     __magic_name__        = SqueezeBertTokenizer
     __magic_name__        = SqueezeBertTokenizerFast
     __magic_name__        = True




     def 					lowerCAmelCase__		(						self							,    **snake_case_       ):
         return SqueezeBertTokenizerFast.from_pretrained(self.tmpdirname							,    **snake_case_       )




     @slow
     def 					lowerCAmelCase__		(						self       ):
         _A    =       SqueezeBertTokenizer.from_pretrained('squeezebert/squeezebert-mnli-headless'       )

         _A    =       tokenizer.encode('sequence builders'							,    add_special_tokens=snake_case_       )
         _A    =       tokenizer.encode('multi-sequence build'							,    add_special_tokens=snake_case_       )

         _A    =       tokenizer.build_inputs_with_special_tokens(snake_case_       )
         _A    =       tokenizer.build_inputs_with_special_tokens(snake_case_							,    snake_case_       )

         assert encoded_sentence == [tokenizer.cls_token_id] + text + [tokenizer.sep_token_id]
         assert encoded_pair == [tokenizer.cls_token_id] + text + [tokenizer.sep_token_id] + text_a + [
             tokenizer.sep_token_id
         ]





