





from __future__ import annotations

from random import random
from typing import Generic, TypeVar

_A					:				Any				=			TypeVar("""KT""")
_A					:				Any				=			TypeVar("""VT""")



class 					__snake_case	(  Generic[KT, VT]    ):


    '''simple docstring'''







    def __init__(       self   ,				A_ = "root"   ,				A_ = None     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			key
        SCREAMING_SNAKE_CASE__											=			value
        SCREAMING_SNAKE_CASE__											=			[]



    def __repr__(       self     ):





        '''simple docstring'''

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




    @property
    def  lowercase_					(       self     ):





        '''simple docstring'''

        return len(self.forward     )





class 					__snake_case	(  Generic[KT, VT]    ):


    '''simple docstring'''







    def __init__(       self   ,				A_ = 0.5   ,				A_ = 16     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			Node[KT, VT]()
        SCREAMING_SNAKE_CASE__											=			0
        SCREAMING_SNAKE_CASE__											=			p
        SCREAMING_SNAKE_CASE__											=			max_level



    def __str__(       self     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			list(self     )

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

        SCREAMING_SNAKE_CASE__											=			max((len(str(A_     )     ) for item in items)   ,				default=4     )
        SCREAMING_SNAKE_CASE__											=			max(A_   ,				4     ) + 4

        SCREAMING_SNAKE_CASE__											=			self.head
        SCREAMING_SNAKE_CASE__											=			[]

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

        while len(node.forward     ) != 0:
            SCREAMING_SNAKE_CASE__											=			node.forward[0]

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

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



    def __iter__(       self     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			self.head

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



    def  lowercase_					(       self     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			1
        while random() < self.p and level < self.max_level:
            level += 1

        return level



    def  lowercase_					(       self   ,				A_     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			[]

        SCREAMING_SNAKE_CASE__											=			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__											=			node.forward[i]
            # Each leftmost node (relative to searched node) will potentially have to
            # be updated.
            update_vector.append(A_     )

        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  lowercase_					(       self   ,				A_     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__				,		SCREAMING_SNAKE_CASE__											=			self._locate_node(A_     )

        if node is not None:
            for i, update_node in enumerate(A_     ):
                # 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__											=			node.forward[i]
                    else:
                        SCREAMING_SNAKE_CASE__											=			update_node.forward[:i]



    def  lowercase_					(       self   ,				A_   ,				A_     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__				,		SCREAMING_SNAKE_CASE__											=			self._locate_node(A_     )
        if node is not None:
            SCREAMING_SNAKE_CASE__											=			value
        else:
            SCREAMING_SNAKE_CASE__											=			self.random_level()

            if level > self.level:
                # After level increase we have to add additional nodes to head.
                for _ in range(self.level - 1   ,				A_     ):
                    update_vector.append(self.head     )
                SCREAMING_SNAKE_CASE__											=			level

            SCREAMING_SNAKE_CASE__											=			Node(A_   ,				A_     )

            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(A_     )
                else:
                    SCREAMING_SNAKE_CASE__											=			new_node




    def  lowercase_					(       self   ,				A_     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__				,		SCREAMING_SNAKE_CASE__											=			self._locate_node(A_     )

        if node is not None:
            return node.value

        return None





def 							__snake_case							(    )				->						str:
    SCREAMING_SNAKE_CASE__											=			SkipList()
    skip_list.insert('''Key1''' ,							3	)
    skip_list.insert('''Key2''' ,							1_2	)
    skip_list.insert('''Key3''' ,							4_1	)
    skip_list.insert('''Key4''' ,							-1_9	)

    SCREAMING_SNAKE_CASE__											=			skip_list.head
    SCREAMING_SNAKE_CASE__											=			{}
    while node.level != 0:
        SCREAMING_SNAKE_CASE__											=			node.forward[0]
        SCREAMING_SNAKE_CASE__											=			node.value

    assert len(lowerCAmelCase_	) == 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 							__snake_case							(    )				->						str:
    SCREAMING_SNAKE_CASE__											=			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	)

    SCREAMING_SNAKE_CASE__											=			skip_list.head
    SCREAMING_SNAKE_CASE__											=			{}
    while node.level != 0:
        SCREAMING_SNAKE_CASE__											=			node.forward[0]
        SCREAMING_SNAKE_CASE__											=			node.value

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


def 							__snake_case							(    )				->						Dict:
    SCREAMING_SNAKE_CASE__											=			SkipList()
    assert skip_list.find('''Some key'''	) is None


def 							__snake_case							(    )				->						Tuple:
    SCREAMING_SNAKE_CASE__											=			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 							__snake_case							(    )				->						Tuple:
    SCREAMING_SNAKE_CASE__											=			SkipList()
    skip_list.delete('''Some key'''	)

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


def 							__snake_case							(    )				->						List[Any]:
    SCREAMING_SNAKE_CASE__											=			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 							__snake_case							(    )				->						List[str]:
    SCREAMING_SNAKE_CASE__											=			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 							__snake_case							(    )				->						Union[str, Any]:
    SCREAMING_SNAKE_CASE__											=			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(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 							__snake_case							(    )				->						Any:
    def is_sorted(lowerCAmelCase_	):
        return all(next_item >= item for item, next_item in zip(lowerCAmelCase_ ,							lst[1:]	)	)

    SCREAMING_SNAKE_CASE__											=			SkipList()
    for i in range(1_0	):
        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(-1_2 ,							-1_2	)
    skip_list.insert(7_7 ,							7_7	)
    assert is_sorted(list(lowerCAmelCase_	)	)


def 							__snake_case							(    )				->						Dict:
    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 							__snake_case							(    )				->						Optional[Any]:
    SCREAMING_SNAKE_CASE__											=			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()







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


_A					:				List[str]				=			{"""configuration_wavlm""": ["""WAVLM_PRETRAINED_CONFIG_ARCHIVE_MAP""", """WavLMConfig"""]}

try:
  if not is_torch_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  _A					:				Dict				=			[
      """WAVLM_PRETRAINED_MODEL_ARCHIVE_LIST""",
      """WavLMForAudioFrameClassification""",
      """WavLMForCTC""",
      """WavLMForSequenceClassification""",
      """WavLMForXVector""",
      """WavLMModel""",
      """WavLMPreTrainedModel""",
  ]

if TYPE_CHECKING:
  from .configuration_wavlm import WAVLM_PRETRAINED_CONFIG_ARCHIVE_MAP, WavLMConfig

  try:
    if not is_torch_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .modeling_wavlm import (
        WAVLM_PRETRAINED_MODEL_ARCHIVE_LIST,
        WavLMForAudioFrameClassification,
        WavLMForCTC,
        WavLMForSequenceClassification,
        WavLMForXVector,
        WavLMModel,
        WavLMPreTrainedModel,
    )

else:
  import sys

  _A					:				List[Any]				=			_LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)
