





'''simple docstring'''




from __future__ import annotations

from random import random
from typing import Generic, TypeVar

_SCREAMING_SNAKE_CASE							     =			TypeVar("KT")
_SCREAMING_SNAKE_CASE							     =			TypeVar("VT")
class 			_lowerCAmelCase		(			Generic[KT, VT]	):






     """simple docstring"""






     def __init__(   self							:			Optional[int]   ,       __snake_case							:			KT | str = "root"   ,       __snake_case							:			VT | None = None						)->	Dict:
        snake_case 						=   key
        snake_case 						=   value
        snake_case 						=   []



     def __repr__(   self							:			List[str]						)->	str:
        return f'''Node({self.key}: {self.value})'''



     @property
     def      lowerCAmelCase			(   self							:			str						)->	int:
        return len(self.forward						)




class 			_lowerCAmelCase		(			Generic[KT, VT]	):






     """simple docstring"""






     def __init__(   self							:			Union[str, Any]   ,       __snake_case							:			float = 0.5   ,       __snake_case							:			int = 16						)->	List[str]:
        snake_case 						=   Node[KT, VT]()
        snake_case 						=   0
        snake_case 						=   p
        snake_case 						=   max_level



     def __str__(   self							:			Any						)->	str:
        snake_case 						=   list(self						)

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

        snake_case 						=   max((len(str(__snake_case						)						) for item in items)   ,       default=4						)
        snake_case 						=   max(__snake_case   ,       4						) + 4

        snake_case 						=   self.head
        snake_case 						=   []

        snake_case 						=   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:
           snake_case 						=   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						)						)
           snake_case 						=   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							:			Union[str, Any]						)->	Union[str, Any]:
        snake_case 						=   self.head

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



     def      lowerCAmelCase			(   self							:			Tuple						)->	int:
        snake_case 						=   1
        while random() < self.p and level < self.max_level:
           level += 1

        return level



     def      lowerCAmelCase			(   self							:			Union[str, Any]   ,       __snake_case							:			int						)->	tuple[Node[KT, VT] | None, list[Node[KT, VT]]]:
        snake_case 						=   []

        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:
              snake_case 						=   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							:			Tuple   ,       __snake_case							:			KT						)->	List[Any]:
        snake_case						,    snake_case 						=   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:
                    snake_case 						=   node.forward[i]
                 else:
                    snake_case 						=   update_node.forward[:i]



     def      lowerCAmelCase			(   self							:			Any   ,       __snake_case							:			KT   ,       __snake_case							:			VT						)->	Tuple:
        snake_case						,    snake_case 						=   self._locate_node(__snake_case						)
        if node is not None:
           snake_case 						=   value
        else:
           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   ,       __snake_case						):
                 update_vector.append(self.head						)
              snake_case 						=   level

           snake_case 						=   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:
                 snake_case 						=   new_node



     def      lowerCAmelCase			(   self							:			Tuple   ,       __snake_case							:			VT						)->	VT | None:
        snake_case						,    snake_case 						=   self._locate_node(__snake_case						)

        if node is not None:
           return node.value

        return None





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

   snake_case 						=   skip_list.head
   snake_case 						=   {}
   while node.level != 0:
      snake_case 						=   node.forward[0]
      snake_case 						=   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 	__lowerCamelCase			(      )		->  str:
   snake_case 						=   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		)

   snake_case 						=   skip_list.head
   snake_case 						=   {}
   while node.level != 0:
      snake_case 						=   node.forward[0]
      snake_case 						=   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 	__lowerCamelCase			(      )		->  str:
   snake_case 						=   SkipList()
   assert skip_list.find("""Some key"""		) is None





def 	__lowerCamelCase			(      )		->  int:
   snake_case 						=   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			(      )		->  Union[str, Any]:
   snake_case 						=   SkipList()
   skip_list.delete("""Some key"""		)

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





def 	__lowerCamelCase			(      )		->  Tuple:
   snake_case 						=   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			(      )		->  Optional[int]:
   snake_case 						=   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			(      )		->  Optional[Any]:
   snake_case 						=   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(__lowerCAmelCase       :							str		):
      yield node.key
      for forward_node in node.forward:
         yield from traverse_keys(__lowerCAmelCase		)

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





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

   snake_case 						=   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 	__lowerCamelCase			(      )		->  Any:
   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			(      )		->  Optional[int]:
   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()








'''simple docstring'''




import os
from shutil import copyfile
from typing import List, Optional, Tuple

from ...tokenization_utils import AddedToken
from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import is_sentencepiece_available, logging


if is_sentencepiece_available():
 from .tokenization_rembert import RemBertTokenizer
else:
 _SCREAMING_SNAKE_CASE							     =			None

_SCREAMING_SNAKE_CASE							     =			logging.get_logger(__name__)
_SCREAMING_SNAKE_CASE							     =			{"vocab_file": "sentencepiece.model", "tokenizer_file": "tokenizer.json"}

_SCREAMING_SNAKE_CASE							     =			{
    "vocab_file": {
        "google/rembert": "https://huggingface.co/google/rembert/resolve/main/sentencepiece.model",
    },
    "tokenizer_file": {
        "google/rembert": "https://huggingface.co/google/rembert/resolve/main/tokenizer.json",
    },
}

_SCREAMING_SNAKE_CASE							     =			{
    "google/rembert": 256,
}

_SCREAMING_SNAKE_CASE							     =			"▁"
class 			_lowerCAmelCase		(			A__	):






     """simple docstring"""






     snake_case_						      =   VOCAB_FILES_NAMES
     snake_case_						      =   PRETRAINED_VOCAB_FILES_MAP
     snake_case_						      =   PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
     snake_case_						      =   RemBertTokenizer



     def __init__(   self							:			List[Any]   ,       __snake_case							:			int=None   ,       __snake_case							:			Union[str, Any]=None   ,       __snake_case							:			Tuple=True   ,       __snake_case							:			Dict=True   ,       __snake_case							:			str=False   ,       __snake_case							:			Union[str, Any]="[CLS]"   ,       __snake_case							:			Optional[int]="[SEP]"   ,       __snake_case							:			str="<unk>"   ,       __snake_case							:			Dict="[SEP]"   ,       __snake_case							:			Dict="<pad>"   ,       __snake_case							:			Union[str, Any]="[CLS]"   ,       __snake_case							:			int="[MASK]"   ,       **__snake_case							:			Optional[int]   ,       )->	Tuple:
        # Mask token behave like a normal word, i.e. include the space before it
        snake_case 						=   AddedToken(__snake_case   ,       lstrip=__snake_case   ,       rstrip=__snake_case						) if isinstance(__snake_case   ,       __snake_case						) else mask_token

        super().__init__(
            __snake_case   ,       tokenizer_file=__snake_case   ,       do_lower_case=__snake_case   ,       remove_space=__snake_case   ,       keep_accents=__snake_case   ,       bos_token=__snake_case   ,       eos_token=__snake_case   ,       unk_token=__snake_case   ,       sep_token=__snake_case   ,       pad_token=__snake_case   ,       cls_token=__snake_case   ,       mask_token=__snake_case   ,       **__snake_case   ,       )

        snake_case 						=   do_lower_case
        snake_case 						=   remove_space
        snake_case 						=   keep_accents
        snake_case 						=   vocab_file
        snake_case 						=   False if not self.vocab_file else True



     def      lowerCAmelCase			(   self							:			List[str]   ,       __snake_case							:			List[int]   ,       __snake_case							:			Optional[List[int]] = None						)->	List[int]:
        snake_case 						=   [self.sep_token_id]
        snake_case 						=   [self.cls_token_id]
        if token_ids_a is None:
           return cls + token_ids_a + sep
        return cls + token_ids_a + sep + token_ids_a + sep



     def      lowerCAmelCase			(   self							:			List[Any]   ,       __snake_case							:			List[int]   ,       __snake_case							:			Optional[List[int]] = None   ,       __snake_case							:			bool = False						)->	List[int]:

        if already_has_special_tokens:
           if token_ids_a is not None:
              raise ValueError(
                  """You should not supply a second sequence if the provided sequence of """
                  """ids is already formatted with special tokens for the model."""						)
           return [1 if x in [self.sep_token_id, self.cls_token_id] else 0 for x in token_ids_a]

        if token_ids_a is not None:
           return [1] + ([0] * len(__snake_case						)) + [1] + ([0] * len(__snake_case						)) + [1]
        return [1] + ([0] * len(__snake_case						)) + [1]



     def      lowerCAmelCase			(   self							:			int   ,       __snake_case							:			List[int]   ,       __snake_case							:			Optional[List[int]] = None						)->	List[int]:
        snake_case 						=   [self.sep_token_id]
        snake_case 						=   [self.cls_token_id]

        if token_ids_a is None:
           return len(cls + token_ids_a + sep						) * [0]
        return len(cls + token_ids_a + sep						) * [0] + len(token_ids_a + sep						) * [1]



     def      lowerCAmelCase			(   self							:			Tuple   ,       __snake_case							:			str   ,       __snake_case							:			Optional[str] = None						)->	Tuple[str]:
        if not os.path.isdir(__snake_case						):
           logger.error("""Vocabulary path ({}) should be a directory""".format(__snake_case						)						)
           return
        snake_case 						=   os.path.join(
            __snake_case   ,       (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]						)

        if os.path.abspath(self.vocab_file						) != os.path.abspath(__snake_case						):
           copyfile(self.vocab_file   ,       __snake_case						)

        return (out_vocab_file,)

