

from __future__ import annotations

from random import random
from typing import Generic, TypeVar

lowerCAmelCase__								=		TypeVar("""KT""")
lowerCAmelCase__								=		TypeVar("""VT""")







class 	lowercase    (				Generic[KT, VT]							):


		"""simple docstring"""




		def __init__(				self	,       __snake_case = "root"	,       __snake_case = None):
			_UpperCamelCase   :		List[str]			=						key
			_UpperCamelCase   :		List[Any]			=						value
			_UpperCamelCase   :		list[Node[KT, VT]]			=						[]


		def __repr__(				self):
			return f'''Node({self.key}: {self.value})'''






		@property
		def 		A__					(				self):
			return len(self.forward)







class 	lowercase    (				Generic[KT, VT]							):


		"""simple docstring"""




		def __init__(				self	,       __snake_case = 0.5	,       __snake_case = 16):
			_UpperCamelCase   :		Node[KT, VT]			=						Node[KT, VT]()
			_UpperCamelCase   :		Any			=						0
			_UpperCamelCase   :		Optional[int]			=						p
			_UpperCamelCase   :		int			=						max_level


		def __str__(				self):
			_UpperCamelCase   :		Tuple			=						list(self)

			if len(__snake_case) == 0:
				return f'''SkipList(level={self.level})'''

			_UpperCamelCase   :		str			=						max((len(str(__snake_case)) for item in items)	,       default=4)
			_UpperCamelCase   :		Optional[Any]			=						max(__snake_case	,       4) + 4

			_UpperCamelCase   :		List[Any]			=						self.head
			_UpperCamelCase   :		List[str]			=						[]

			_UpperCamelCase   :		Any			=						node.forward.copy()
			lines.append(f'''[{node.key}]'''.ljust(__snake_case	,       '-') + '* ' * len(__snake_case))
			lines.append(' ' * label_size + '| ' * len(__snake_case))

			while len(node.forward) != 0:
				_UpperCamelCase   :		Optional[int]			=						node.forward[0]

				lines.append(
				    f'''[{node.key}]'''.ljust(__snake_case	,       '-')
				    + ' '.join(str(n.key) if n.key == node.key else '|' for n in forwards))
				lines.append(' ' * label_size + '| ' * len(__snake_case))
				_UpperCamelCase   :		Any			=						node.forward

			lines.append('None'.ljust(__snake_case) + '* ' * len(__snake_case))
			return f'''SkipList(level={self.level})\n''' + "\n".join(__snake_case)


		def __iter__(				self):
			_UpperCamelCase   :		Dict			=						self.head

			while len(node.forward) != 0:
				yield node.forward[0].key
				_UpperCamelCase   :		Any			=						node.forward[0]


		def 		A__					(				self):
			_UpperCamelCase   :		List[Any]			=						1
			while random() < self.p and level < self.max_level:
				level += 1

			return level


		def 		A__					(				self	,       __snake_case):
			_UpperCamelCase   :		Optional[Any]			=						[]

			_UpperCamelCase   :		Tuple			=						self.head

			for i in reversed(range(self.level)):
				# i < node.level - When node level is lesser than `i` decrement `i`.
				# node.forward[i].key < key - Jumping to node with key value higher
				#                             or equal to searched key would result
				#                             in skipping searched key.
				while i < node.level and node.forward[i].key < key:
					_UpperCamelCase   :		Union[str, Any]			=						node.forward[i]
				# Each leftmost node (relative to searched node) will potentially have to
				# be updated.
				update_vector.append(__snake_case)

			update_vector.reverse()  # Note that we were inserting values in reverse order.

			# len(node.forward) != 0 - If current node doesn't contain any further
			#                          references then searched key is not present.
			# node.forward[0].key == key - Next node key should be equal to search key
			#                              if key is present.
			if len(node.forward) != 0 and node.forward[0].key == key:
				return node.forward[0], update_vector
			else:
				return None, update_vector


		def 		A__					(				self	,       __snake_case):
			_UpperCamelCase	,		_UpperCamelCase   :		Optional[int]			=						self._locate_node(__snake_case)

			if node is not None:
				for i, update_node in enumerate(__snake_case):
					# Remove or replace all references to removed node.
					if update_node.level > i and update_node.forward[i].key == key:
						if node.level > i:
							_UpperCamelCase   :		Optional[int]			=						node.forward[i]
						else:
							_UpperCamelCase   :		List[str]			=						update_node.forward[:i]


		def 		A__					(				self	,       __snake_case	,       __snake_case):
			_UpperCamelCase	,		_UpperCamelCase   :		Optional[int]			=						self._locate_node(__snake_case)
			if node is not None:
				_UpperCamelCase   :		str			=						value
			else:
				_UpperCamelCase   :		str			=						self.random_level()

				if level > self.level:
					# After level increase we have to add additional nodes to head.
					for _ in range(self.level - 1	,       __snake_case):
						update_vector.append(self.head)
					_UpperCamelCase   :		Union[str, Any]			=						level

				_UpperCamelCase   :		Optional[Any]			=						Node(__snake_case	,       __snake_case)

				for i, update_node in enumerate(update_vector[:level]):
					# Change references to pass through new node.
					if update_node.level > i:
						new_node.forward.append(update_node.forward[i])

					if update_node.level < i + 1:
						update_node.forward.append(__snake_case)
					else:
						_UpperCamelCase   :		int			=						new_node






		def 		A__					(				self	,       __snake_case):
			_UpperCamelCase	,		_UpperCamelCase   :		Union[str, Any]			=						self._locate_node(__snake_case)

			if node is not None:
				return node.value

			return None






def 					lowerCamelCase_     (							)						->				str:




	'''simple docstring'''




	_UpperCamelCase   :		Tuple			=						SkipList()
	skip_list.insert('Key1'							,       3	)
	skip_list.insert('Key2'							,       1_2	)
	skip_list.insert('Key3'							,       4_1	)
	skip_list.insert('Key4'							,       -1_9	)

	_UpperCamelCase   :		List[str]			=						skip_list.head
	_UpperCamelCase   :		Tuple			=						{}
	while node.level != 0:
		_UpperCamelCase   :		Any			=						node.forward[0]
		_UpperCamelCase   :		Dict			=						node.value

	assert len(UpperCAmelCase_	) == 4
	assert all_values["Key1"] == 3
	assert all_values["Key2"] == 1_2
	assert all_values["Key3"] == 4_1
	assert all_values["Key4"] == -1_9






def 					lowerCamelCase_     (							)						->				Optional[int]:




	'''simple docstring'''




	_UpperCamelCase   :		Optional[int]			=						SkipList()
	skip_list.insert('Key1'							,       1_0	)
	skip_list.insert('Key1'							,       1_2	)

	skip_list.insert('Key5'							,       7	)
	skip_list.insert('Key7'							,       1_0	)
	skip_list.insert('Key10'							,       5	)

	skip_list.insert('Key7'							,       7	)
	skip_list.insert('Key5'							,       5	)
	skip_list.insert('Key10'							,       1_0	)

	_UpperCamelCase   :		Tuple			=						skip_list.head
	_UpperCamelCase   :		Dict			=						{}
	while node.level != 0:
		_UpperCamelCase   :		str			=						node.forward[0]
		_UpperCamelCase   :		Union[str, Any]			=						node.value

	if len(UpperCAmelCase_	) != 4:
		print()
	assert len(UpperCAmelCase_	) == 4
	assert all_values["Key1"] == 1_2
	assert all_values["Key7"] == 7
	assert all_values["Key5"] == 5
	assert all_values["Key10"] == 1_0






def 					lowerCamelCase_     (							)						->				Union[str, Any]:




	'''simple docstring'''




	_UpperCamelCase   :		str			=						SkipList()
	assert skip_list.find('Some key'	) is None






def 					lowerCamelCase_     (							)						->				str:




	'''simple docstring'''




	_UpperCamelCase   :		int			=						SkipList()

	skip_list.insert('Key2'							,       2_0	)
	assert skip_list.find('Key2'	) == 2_0

	skip_list.insert('Some Key'							,       1_0	)
	skip_list.insert('Key2'							,       8	)
	skip_list.insert('V'							,       1_3	)

	assert skip_list.find('Y'	) is None
	assert skip_list.find('Key2'	) == 8
	assert skip_list.find('Some Key'	) == 1_0
	assert skip_list.find('V'	) == 1_3






def 					lowerCamelCase_     (							)						->				Union[str, Any]:




	'''simple docstring'''




	_UpperCamelCase   :		Dict			=						SkipList()
	skip_list.delete('Some key'	)

	assert len(skip_list.head.forward	) == 0






def 					lowerCamelCase_     (							)						->				Tuple:




	'''simple docstring'''




	_UpperCamelCase   :		Tuple			=						SkipList()

	skip_list.insert('Key1'							,       1_2	)
	skip_list.insert('V'							,       1_3	)
	skip_list.insert('X'							,       1_4	)
	skip_list.insert('Key2'							,       1_5	)

	skip_list.delete('V'	)
	skip_list.delete('Key2'	)

	assert skip_list.find('V'	) is None
	assert skip_list.find('Key2'	) is None






def 					lowerCamelCase_     (							)						->				List[Any]:




	'''simple docstring'''




	_UpperCamelCase   :		Tuple			=						SkipList()

	skip_list.insert('Key1'							,       1_2	)
	skip_list.insert('V'							,       1_3	)
	skip_list.insert('X'							,       1_4	)
	skip_list.insert('Key2'							,       1_5	)

	skip_list.delete('V'	)
	assert skip_list.find('V'	) is None
	assert skip_list.find('X'	) == 1_4
	assert skip_list.find('Key1'	) == 1_2
	assert skip_list.find('Key2'	) == 1_5

	skip_list.delete('X'	)
	assert skip_list.find('V'	) is None
	assert skip_list.find('X'	) is None
	assert skip_list.find('Key1'	) == 1_2
	assert skip_list.find('Key2'	) == 1_5

	skip_list.delete('Key1'	)
	assert skip_list.find('V'	) is None
	assert skip_list.find('X'	) is None
	assert skip_list.find('Key1'	) is None
	assert skip_list.find('Key2'	) == 1_5

	skip_list.delete('Key2'	)
	assert skip_list.find('V'	) is None
	assert skip_list.find('X'	) is None
	assert skip_list.find('Key1'	) is None
	assert skip_list.find('Key2'	) is None






def 					lowerCamelCase_     (							)						->				Tuple:




	'''simple docstring'''




	_UpperCamelCase   :		List[Any]			=						SkipList()

	skip_list.insert('Key1'							,       1_2	)
	skip_list.insert('V'							,       1_3	)
	skip_list.insert('X'							,       1_4_2	)
	skip_list.insert('Key2'							,       1_5	)

	skip_list.delete('X'	)

	def traverse_keys(UpperCAmelCase_							:     Any	):
		yield node.key
		for forward_node in node.forward:
			yield from traverse_keys(UpperCAmelCase_	)

	assert len(set(traverse_keys(skip_list.head	)	)	) == 4






def 					lowerCamelCase_     (							)						->				Any:




	'''simple docstring'''




	def is_sorted(UpperCAmelCase_							:     Dict	):
		return all(next_item >= item for item, next_item in zip(UpperCAmelCase_							,       lst[1:]	)	)

	_UpperCamelCase   :		str			=						SkipList()
	for i in range(1_0	):
		skip_list.insert(UpperCAmelCase_							,       UpperCAmelCase_	)
	assert is_sorted(list(UpperCAmelCase_	)	)
	skip_list.delete(5	)
	skip_list.delete(8	)
	skip_list.delete(2	)
	assert is_sorted(list(UpperCAmelCase_	)	)
	skip_list.insert(-1_2							,       -1_2	)
	skip_list.insert(7_7							,       7_7	)
	assert is_sorted(list(UpperCAmelCase_	)	)






def 					lowerCamelCase_     (							)						->				Union[str, Any]:




	'''simple docstring'''




	for _ in range(1_0_0	):
		# Repeat test 100 times due to the probabilistic nature of skip list
		# random values == random bugs
		test_insert()
		test_insert_overrides_existing_value()

		test_searching_empty_list_returns_none()
		test_search()

		test_deleting_item_from_empty_list_do_nothing()
		test_deleted_items_are_not_founded_by_find_method()
		test_delete_removes_only_given_key()
		test_delete_doesnt_leave_dead_nodes()

		test_iter_always_yields_sorted_values()






def 					lowerCamelCase_     (							)						->				Tuple:




	'''simple docstring'''




	_UpperCamelCase   :		Any			=						SkipList()
	skip_list.insert(2							,       '2'	)
	skip_list.insert(4							,       '4'	)
	skip_list.insert(6							,       '4'	)
	skip_list.insert(4							,       '5'	)
	skip_list.insert(8							,       '4'	)
	skip_list.insert(9							,       '4'	)

	skip_list.delete(4	)

	print(UpperCAmelCase_	)


if __name__ == "__main__":
							import doctest

							doctest.testmod()
							main()







# Copyright 2023 The HuggingFace Inc. team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import torch

from ..models.auto import AutoModelForSequenceClassification, AutoTokenizer
from .base import PipelineTool







class 	lowercase    (				_lowercase							):


		"""simple docstring"""




		a__					       =  "facebook/bart-large-mnli"
		a__					       =  (
		    "This is a tool that classifies an English text using provided labels. It takes two inputs: `text`, which "
		    "should be the text to classify, and `labels`, which should be the list of labels to use for classification. "
		    "It returns the most likely label in the list of provided `labels` for the input text."
		)
		a__					       =  "text_classifier"
		a__					       =  AutoTokenizer
		a__					       =  AutoModelForSequenceClassification

		a__					       =  ["text", ["text"]]
		a__					       =  ["text"]


		def 		A__					(				self):
			super().setup()
			_UpperCamelCase   :		List[Any]			=						self.model.config
			_UpperCamelCase   :		Optional[int]			=						-1
			for idx, label in config.idalabel.items():
				if label.lower().startswith('entail'):
					_UpperCamelCase   :		Tuple			=						int(__snake_case)
			if self.entailment_id == -1:
				raise ValueError('Could not determine the entailment ID from the model config, please pass it at init.')


		def 		A__					(				self	,       __snake_case	,       __snake_case):
			_UpperCamelCase   :		List[Any]			=						labels
			return self.pre_processor(
			    [text] * len(__snake_case)	,       [f'''This example is {label}''' for label in labels]	,       return_tensors='pt'	,       padding='max_length'	,       )






		def 		A__					(				self	,       __snake_case):
			_UpperCamelCase   :		str			=						outputs.logits
			_UpperCamelCase   :		Optional[Any]			=						torch.argmax(logits[:, 2]).item()
			return self._labels[label_id]




