



from __future__ import annotations

from random import random
from typing import Generic, TypeVar

_lowerCamelCase    :		List[str]		      =    TypeVar("""KT""")
_lowerCamelCase    :		Any		      =    TypeVar("""VT""")


class 						lowercase    (							Generic[KT, VT]):
						'''simple docstring'''


						def __init__(  self    :				Dict       ,	snake_case    :				KT | str = "root"       ,	snake_case    :				VT | None = None	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE							:     List[Any]						=				key
											SCREAMING_SNAKE_CASE							:     List[str]						=				value
											SCREAMING_SNAKE_CASE							:     list[Node[KT, VT]]						=				[]







						def __repr__(  self    :				int	):



											'''simple docstring'''


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







						@property
						def       lowerCamelCase_				(  self    :				List[Any]	):



											'''simple docstring'''


											return len(self.forward	)


class 						lowercase    (							Generic[KT, VT]):
						'''simple docstring'''


						def __init__(  self    :				Optional[int]       ,	snake_case    :				float = 0.5       ,	snake_case    :				int = 16	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE							:     Node[KT, VT]						=				Node[KT, VT]()
											SCREAMING_SNAKE_CASE							:     List[Any]						=				0
											SCREAMING_SNAKE_CASE							:     List[Any]						=				p
											SCREAMING_SNAKE_CASE							:     int						=				max_level







						def __str__(  self    :				List[str]	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE							:     Union[str, Any]						=				list(self	)

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

											SCREAMING_SNAKE_CASE							:     Any						=				max((len(str(snake_case	)	) for item in items)       ,	default=4	)
											SCREAMING_SNAKE_CASE							:     Dict						=				max(snake_case       ,	4	) + 4

											SCREAMING_SNAKE_CASE							:     Optional[int]						=				self.head
											SCREAMING_SNAKE_CASE							:     str						=				[]

											SCREAMING_SNAKE_CASE							:     List[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:
																SCREAMING_SNAKE_CASE							:     Optional[Any]						=				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	)	)
																SCREAMING_SNAKE_CASE							:     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    :				Optional[int]	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE							:     Optional[int]						=				self.head

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







						def       lowerCamelCase_				(  self    :				Any	):



											'''simple docstring'''


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

											return level







						def       lowerCamelCase_				(  self    :				Optional[Any]       ,	snake_case    :				Union[str, Any]	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE							:     Union[str, Any]						=				[]

											SCREAMING_SNAKE_CASE							:     int						=				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:
																					SCREAMING_SNAKE_CASE							:     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       lowerCamelCase_				(  self    :				List[Any]       ,	snake_case    :				KT	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE					,  SCREAMING_SNAKE_CASE							:     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:
																															SCREAMING_SNAKE_CASE							:     List[str]						=				node.forward[i]
																										else:
																															SCREAMING_SNAKE_CASE							:     List[Any]						=				update_node.forward[:i]







						def       lowerCamelCase_				(  self    :				Any       ,	snake_case    :				KT       ,	snake_case    :				VT	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE					,  SCREAMING_SNAKE_CASE							:     Optional[int]						=				self._locate_node(snake_case	)
											if node is not None:
																SCREAMING_SNAKE_CASE							:     Dict						=				value
											else:
																SCREAMING_SNAKE_CASE							:     int						=				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	)
																					SCREAMING_SNAKE_CASE							:     Dict						=				level

																SCREAMING_SNAKE_CASE							:     List[str]						=				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:
																										SCREAMING_SNAKE_CASE							:     List[Any]						=				new_node







						def       lowerCamelCase_				(  self    :				List[Any]       ,	snake_case    :				VT	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE					,  SCREAMING_SNAKE_CASE							:     List[str]						=				self._locate_node(snake_case	)

											if node is not None:
																return node.value

											return None


def        __a			(   )     ->     str:
					SCREAMING_SNAKE_CASE							:     List[Any]						=				SkipList()
					skip_list.insert('Key1'      ,	3   )
					skip_list.insert('Key2'      ,	12   )
					skip_list.insert('Key3'      ,	41   )
					skip_list.insert('Key4'      ,	-19   )

					SCREAMING_SNAKE_CASE							:     Dict						=				skip_list.head
					SCREAMING_SNAKE_CASE							:     List[str]						=				{}
					while node.level != 0:
										SCREAMING_SNAKE_CASE							:     List[str]						=				node.forward[0]
										SCREAMING_SNAKE_CASE							:     int						=				node.value

					assert len(__lowerCAmelCase   ) == 4
					assert all_values["Key1"] == 3
					assert all_values["Key2"] == 12
					assert all_values["Key3"] == 41
					assert all_values["Key4"] == -19

def        __a			(   )     ->     Optional[Any]:
					SCREAMING_SNAKE_CASE							:     List[Any]						=				SkipList()
					skip_list.insert('Key1'      ,	10   )
					skip_list.insert('Key1'      ,	12   )

					skip_list.insert('Key5'      ,	7   )
					skip_list.insert('Key7'      ,	10   )
					skip_list.insert('Key10'      ,	5   )

					skip_list.insert('Key7'      ,	7   )
					skip_list.insert('Key5'      ,	5   )
					skip_list.insert('Key10'      ,	10   )

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

					if len(__lowerCAmelCase   ) != 4:
										print()
					assert len(__lowerCAmelCase   ) == 4
					assert all_values["Key1"] == 12
					assert all_values["Key7"] == 7
					assert all_values["Key5"] == 5
					assert all_values["Key10"] == 10

def        __a			(   )     ->     Tuple:
					SCREAMING_SNAKE_CASE							:     Optional[Any]						=				SkipList()
					assert skip_list.find('Some key'   ) is None

def        __a			(   )     ->     List[Any]:
					SCREAMING_SNAKE_CASE							:     Any						=				SkipList()

					skip_list.insert('Key2'      ,	20   )
					assert skip_list.find('Key2'   ) == 20

					skip_list.insert('Some Key'      ,	10   )
					skip_list.insert('Key2'      ,	8   )
					skip_list.insert('V'      ,	13   )

					assert skip_list.find('Y'   ) is None
					assert skip_list.find('Key2'   ) == 8
					assert skip_list.find('Some Key'   ) == 10
					assert skip_list.find('V'   ) == 13

def        __a			(   )     ->     List[Any]:
					SCREAMING_SNAKE_CASE							:     Optional[int]						=				SkipList()
					skip_list.delete('Some key'   )

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

def        __a			(   )     ->     Optional[Any]:
					SCREAMING_SNAKE_CASE							:     Optional[int]						=				SkipList()

					skip_list.insert('Key1'      ,	12   )
					skip_list.insert('V'      ,	13   )
					skip_list.insert('X'      ,	14   )
					skip_list.insert('Key2'      ,	15   )

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

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

def        __a			(   )     ->     Optional[Any]:
					SCREAMING_SNAKE_CASE							:     int						=				SkipList()

					skip_list.insert('Key1'      ,	12   )
					skip_list.insert('V'      ,	13   )
					skip_list.insert('X'      ,	14   )
					skip_list.insert('Key2'      ,	15   )

					skip_list.delete('V'   )
					assert skip_list.find('V'   ) is None
					assert skip_list.find('X'   ) == 14
					assert skip_list.find('Key1'   ) == 12
					assert skip_list.find('Key2'   ) == 15

					skip_list.delete('X'   )
					assert skip_list.find('V'   ) is None
					assert skip_list.find('X'   ) is None
					assert skip_list.find('Key1'   ) == 12
					assert skip_list.find('Key2'   ) == 15

					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'   ) == 15

					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        __a			(   )     ->     Optional[int]:
					SCREAMING_SNAKE_CASE							:     Optional[int]						=				SkipList()

					skip_list.insert('Key1'      ,	12   )
					skip_list.insert('V'      ,	13   )
					skip_list.insert('X'      ,	142   )
					skip_list.insert('Key2'      ,	15   )

					skip_list.delete('X'   )

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

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

def        __a			(   )     ->     str:
					def is_sorted(__lowerCAmelCase   ):
										return all(next_item >= item for item, next_item in zip(__lowerCAmelCase      ,	lst[1:]   )   )

					SCREAMING_SNAKE_CASE							:     List[Any]						=				SkipList()
					for i in range(10   ):
										skip_list.insert(__lowerCAmelCase      ,	__lowerCAmelCase   )
					assert is_sorted(list(__lowerCAmelCase   )   )
					skip_list.delete(5   )
					skip_list.delete(8   )
					skip_list.delete(2   )
					assert is_sorted(list(__lowerCAmelCase   )   )
					skip_list.insert(-12      ,	-12   )
					skip_list.insert(77      ,	77   )
					assert is_sorted(list(__lowerCAmelCase   )   )

def        __a			(   )     ->     int:
					for _ in range(100   ):
										# 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        __a			(   )     ->     List[Any]:
					SCREAMING_SNAKE_CASE							:     Dict						=				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(__lowerCAmelCase   )


if __name__ == "__main__":
			import doctest

			doctest.testmod()
			main()




import unittest

from transformers import MODEL_FOR_VISUAL_QUESTION_ANSWERING_MAPPING, is_vision_available
from transformers.pipelines import pipeline
from transformers.testing_utils import (
    is_pipeline_test,
    nested_simplify,
    require_tf,
    require_torch,
    require_vision,
    slow,
)

from .test_pipelines_common import ANY


if is_vision_available():
			from PIL import Image
else:


			class 						lowercase    :
									'''simple docstring'''


									@staticmethod
									def       lowerCamelCase_				(  *snake_case    :				Dict       ,	**snake_case    :				List[Any]	):



														'''simple docstring'''


														pass


@is_pipeline_test
@require_torch
@require_vision
class 						lowercase    (							unittest.TestCase):
						'''simple docstring'''


						UpperCAmelCase			:		Any		=		MODEL_FOR_VISUAL_QUESTION_ANSWERING_MAPPING







						def       lowerCamelCase_				(  self    :				List[Any]       ,	snake_case    :				List[str]       ,	snake_case    :				int       ,	snake_case    :				Optional[Any]	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE							:     Union[str, Any]						=				pipeline('visual-question-answering'       ,	model='hf-internal-testing/tiny-vilt-random-vqa'	)
											SCREAMING_SNAKE_CASE							:     Any						=				[
											    {
											        'image': Image.open('./tests/fixtures/tests_samples/COCO/000000039769.png'	),
											        'question': 'How many cats are there?',
											    },
											    {
											        'image': './tests/fixtures/tests_samples/COCO/000000039769.png',
											        'question': 'How many cats are there?',
											    },
											]
											return vqa_pipeline, examples







						def       lowerCamelCase_				(  self    :				int       ,	snake_case    :				int       ,	snake_case    :				Dict	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE							:     Union[str, Any]						=				vqa_pipeline(snake_case       ,	top_k=1	)
											self.assertEqual(
											    snake_case       ,	[
											        [{'score': ANY(snake_case	), 'answer': ANY(snake_case	)}],
											        [{'score': ANY(snake_case	), 'answer': ANY(snake_case	)}],
											    ]       ,	)







						@require_torch
						def       lowerCamelCase_				(  self    :				Dict	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE							:     Tuple						=				pipeline('visual-question-answering'       ,	model='hf-internal-testing/tiny-vilt-random-vqa'	)
											SCREAMING_SNAKE_CASE							:     List[Any]						=				'./tests/fixtures/tests_samples/COCO/000000039769.png'
											SCREAMING_SNAKE_CASE							:     Any						=				'How many cats are there?'

											SCREAMING_SNAKE_CASE							:     Optional[Any]						=				vqa_pipeline(image=snake_case       ,	question='How many cats are there?'       ,	top_k=2	)
											self.assertEqual(
											    snake_case       ,	[{'score': ANY(snake_case	), 'answer': ANY(snake_case	)}, {'score': ANY(snake_case	), 'answer': ANY(snake_case	)}]	)

											SCREAMING_SNAKE_CASE							:     int						=				vqa_pipeline({'image': image, 'question': question}       ,	top_k=2	)
											self.assertEqual(
											    snake_case       ,	[{'score': ANY(snake_case	), 'answer': ANY(snake_case	)}, {'score': ANY(snake_case	), 'answer': ANY(snake_case	)}]	)







						@slow
						@require_torch
						def       lowerCamelCase_				(  self    :				Dict	):



											'''simple docstring'''


											SCREAMING_SNAKE_CASE							:     List[Any]						=				pipeline('visual-question-answering'       ,	model='dandelin/vilt-b32-finetuned-vqa'	)
											SCREAMING_SNAKE_CASE							:     int						=				'./tests/fixtures/tests_samples/COCO/000000039769.png'
											SCREAMING_SNAKE_CASE							:     Dict						=				'How many cats are there?'

											SCREAMING_SNAKE_CASE							:     int						=				vqa_pipeline(image=snake_case       ,	question=snake_case       ,	top_k=2	)
											self.assertEqual(
											    nested_simplify(snake_case       ,	decimals=4	)       ,	[{'score': 0.8799, 'answer': '2'}, {'score': 0.296, 'answer': '1'}]	)

											SCREAMING_SNAKE_CASE							:     List[str]						=				vqa_pipeline({'image': image, 'question': question}       ,	top_k=2	)
											self.assertEqual(
											    nested_simplify(snake_case       ,	decimals=4	)       ,	[{'score': 0.8799, 'answer': '2'}, {'score': 0.296, 'answer': '1'}]	)

											SCREAMING_SNAKE_CASE							:     Any						=				vqa_pipeline(
											    [{'image': image, 'question': question}, {'image': image, 'question': question}]       ,	top_k=2	)
											self.assertEqual(
											    nested_simplify(snake_case       ,	decimals=4	)       ,	[[{'score': 0.8799, 'answer': '2'}, {'score': 0.296, 'answer': '1'}]] * 2       ,	)







						@require_tf
						@unittest.skip('Visual question answering not implemented in TF'	)
						def       lowerCamelCase_				(  self    :				str	):



											'''simple docstring'''


											pass