'''simple docstring'''




from __future__ import annotations

from random import random
from typing import Generic, TypeVar

__UpperCAmelCase     							=TypeVar("KT")
__UpperCAmelCase     							=TypeVar("VT")




class     a__      (   Generic[KT, VT] ):






     def __init__( self		:		int  ,				a		:		KT | str = "root"  ,				a		:		VT | None = None    ):





         """simple docstring"""



         __lowerCamelCase		=  key
         __lowerCamelCase		=  value
         __lowerCamelCase		=  []






     def __repr__( self		:		Any    ):





         """simple docstring"""



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






     @property
     def    SCREAMING_SNAKE_CASE__   ( self		:		int    ):





         """simple docstring"""



         return len(self.forward    )




class     a__      (   Generic[KT, VT] ):






     def __init__( self		:		List[Any]  ,				a		:		float = 0.5  ,				a		:		int = 16    ):





         """simple docstring"""



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






     def __str__( self		:		Optional[int]    ):





         """simple docstring"""



         __lowerCamelCase		=  list(self    )

         if len(a    ) == 0:
             return f"""SkipList(level={self.level})"""

         __lowerCamelCase		=  max((len(str(a    )    ) for item in items)  ,				default=4    )
         __lowerCamelCase		=  max(a  ,				4    ) + 4

         __lowerCamelCase		=  self.head
         __lowerCamelCase		=  []

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

         while len(node.forward    ) != 0:
             __lowerCamelCase		=  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    )    )
             __lowerCamelCase		=  node.forward

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






     def __iter__( self		:		Tuple    ):





         """simple docstring"""



         __lowerCamelCase		=  self.head

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






     def    SCREAMING_SNAKE_CASE__   ( self		:		Optional[Any]    ):





         """simple docstring"""



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

         return level






     def    SCREAMING_SNAKE_CASE__   ( self		:		Optional[Any]  ,				a		:		Dict    ):





         """simple docstring"""



         __lowerCamelCase		=  []

         __lowerCamelCase		=  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:
                 __lowerCamelCase		=  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    SCREAMING_SNAKE_CASE__   ( self		:		List[str]  ,				a		:		KT    ):





         """simple docstring"""



         __lowerCamelCase	,  __lowerCamelCase		=  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:
                         __lowerCamelCase		=  node.forward[i]
                     else:
                         __lowerCamelCase		=  update_node.forward[:i]






     def    SCREAMING_SNAKE_CASE__   ( self		:		Dict  ,				a		:		KT  ,				a		:		VT    ):





         """simple docstring"""



         __lowerCamelCase	,  __lowerCamelCase		=  self._locate_node(a    )
         if node is not None:
             __lowerCamelCase		=  value
         else:
             __lowerCamelCase		=  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    )
                 __lowerCamelCase		=  level

             __lowerCamelCase		=  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:
                     __lowerCamelCase		=  new_node






     def    SCREAMING_SNAKE_CASE__   ( self		:		Any  ,				a		:		VT    ):





         """simple docstring"""



         __lowerCamelCase	,  __lowerCamelCase		=  self._locate_node(a    )

         if node is not None:
             return node.value

         return None






def __lowerCAmelCase (							)	->    Optional[Any]:
    __lowerCamelCase		=  SkipList()
    skip_list.insert('''Key1'''				,  3				)
    skip_list.insert('''Key2'''				,  12				)
    skip_list.insert('''Key3'''				,  41				)
    skip_list.insert('''Key4'''				,  -19				)

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

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






def __lowerCAmelCase (							)	->    Any:
    __lowerCamelCase		=  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				)

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

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






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






def __lowerCAmelCase (							)	->    str:
    __lowerCamelCase		=  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 __lowerCAmelCase (							)	->    int:
    __lowerCamelCase		=  SkipList()
    skip_list.delete('''Some key'''				)

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






def __lowerCAmelCase (							)	->    int:
    __lowerCamelCase		=  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 __lowerCAmelCase (							)	->    List[str]:
    __lowerCamelCase		=  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 __lowerCAmelCase (							)	->    List[Any]:
    __lowerCamelCase		=  SkipList()

    skip_list.insert('''Key1'''				,  12				)
    skip_list.insert('''V'''				,  13				)
    skip_list.insert('''X'''				,  1_42				)
    skip_list.insert('''Key2'''				,  15				)

    skip_list.delete('''X'''				)

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

    __lowerCamelCase		=  SkipList()
    for i in range(10				):
        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(-12				,  -12				)
    skip_list.insert(77				,  77				)
    assert is_sorted(list(UpperCamelCase__				)				)






def __lowerCAmelCase (							)	->    int:
    for _ in range(1_00				):
        # 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 (							)	->    List[str]:
    __lowerCamelCase		=  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()


import unittest

from transformers import (
    MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING,
    TF_MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING,
    TextaTextGenerationPipeline,
    pipeline,
)
from transformers.testing_utils import is_pipeline_test, require_tf, require_torch
from transformers.utils import is_torch_available

from .test_pipelines_common import ANY


if is_torch_available():
    import torch




@is_pipeline_test
class        UpperCAmelCase_			( unittest.TestCase     ):


  '''simple docstring'''







  a__           =		MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING
  a__           =		TF_MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING
  def 							_lowercase							( self			: str			,							UpperCamelCase__			: Optional[int]			,							UpperCamelCase__			: int			,							UpperCamelCase__			: int    )			->	Tuple:







    """simple docstring"""






    __magic_name__				     =       TextaTextGenerationPipeline(model=UpperCamelCase__			,							tokenizer=UpperCamelCase__    )
    return generator, ["Something to write", "Something else"]
  def 							_lowercase							( self			: Any			,							UpperCamelCase__			: Tuple			,							UpperCamelCase__			: List[str]    )			->	Optional[Any]:







    """simple docstring"""






    __magic_name__				     =       generator("""Something there"""    )
    self.assertEqual(UpperCamelCase__			,							[{"""generated_text""": ANY(UpperCamelCase__    )}]    )
    # These are encoder decoder, they don't just append to incoming string
    self.assertFalse(outputs[0]["""generated_text"""].startswith("""Something there"""    )    )

    __magic_name__				     =       generator(["""This is great !""", """Something else"""]			,							num_return_sequences=2			,							do_sample=UpperCamelCase__    )
    self.assertEqual(
        UpperCamelCase__			,							[
            [{"""generated_text""": ANY(UpperCamelCase__    )}, {"""generated_text""": ANY(UpperCamelCase__    )}],
            [{"""generated_text""": ANY(UpperCamelCase__    )}, {"""generated_text""": ANY(UpperCamelCase__    )}],
        ]			,							)

    __magic_name__				     =       generator(
        ["""This is great !""", """Something else"""]			,							num_return_sequences=2			,							batch_size=2			,							do_sample=UpperCamelCase__    )
    self.assertEqual(
        UpperCamelCase__			,							[
            [{"""generated_text""": ANY(UpperCamelCase__    )}, {"""generated_text""": ANY(UpperCamelCase__    )}],
            [{"""generated_text""": ANY(UpperCamelCase__    )}, {"""generated_text""": ANY(UpperCamelCase__    )}],
        ]			,							)

    with self.assertRaises(UpperCamelCase__    ):
      generator(4    )
  @require_torch
  def 							_lowercase							( self			: Optional[int]    )			->	Union[str, Any]:







    """simple docstring"""






    __magic_name__				     =       pipeline("""text2text-generation"""			,							model="""patrickvonplaten/t5-tiny-random"""			,							framework="""pt"""    )
    # do_sample=False necessary for reproducibility
    __magic_name__				     =       generator("""Something there"""			,							do_sample=UpperCamelCase__    )
    self.assertEqual(UpperCamelCase__			,							[{"""generated_text""": """"""}]    )

    __magic_name__				     =       3
    __magic_name__				     =       generator(
        """Something there"""			,							num_return_sequences=UpperCamelCase__			,							num_beams=UpperCamelCase__			,							)
    __magic_name__				     =       [
        {"""generated_text""": """Beide Beide Beide Beide Beide Beide Beide Beide Beide"""},
        {"""generated_text""": """Beide Beide Beide Beide Beide Beide Beide Beide"""},
        {"""generated_text""": """"""},
    ]
    self.assertEqual(UpperCamelCase__			,							UpperCamelCase__    )

    __magic_name__				     =       generator("""This is a test"""			,							do_sample=UpperCamelCase__			,							num_return_sequences=2			,							return_tensors=UpperCamelCase__    )
    self.assertEqual(
        UpperCamelCase__			,							[
            {"""generated_token_ids""": ANY(torch.Tensor    )},
            {"""generated_token_ids""": ANY(torch.Tensor    )},
        ]			,							)
    __magic_name__				     =       generator.model.config.eos_token_id
    __magic_name__				     =       """<pad>"""
    __magic_name__				     =       generator(
        ["""This is a test""", """This is a second test"""]			,							do_sample=UpperCamelCase__			,							num_return_sequences=2			,							batch_size=2			,							return_tensors=UpperCamelCase__			,							)
    self.assertEqual(
        UpperCamelCase__			,							[
            [
                {"""generated_token_ids""": ANY(torch.Tensor    )},
                {"""generated_token_ids""": ANY(torch.Tensor    )},
            ],
            [
                {"""generated_token_ids""": ANY(torch.Tensor    )},
                {"""generated_token_ids""": ANY(torch.Tensor    )},
            ],
        ]			,							)





  @require_tf
  def 							_lowercase							( self			: int    )			->	str:







    """simple docstring"""






    __magic_name__				     =       pipeline("""text2text-generation"""			,							model="""patrickvonplaten/t5-tiny-random"""			,							framework="""tf"""    )
    # do_sample=False necessary for reproducibility
    __magic_name__				     =       generator("""Something there"""			,							do_sample=UpperCamelCase__    )
    self.assertEqual(UpperCamelCase__			,							[{"""generated_text""": """"""}]    )

