


'''simple docstring'''
class 					_A						:



   '''simple docstring'''






   def __init__(	self	:					int					, lowerCamelCase	:					Union[str, Any]						)->	Dict:
          snake_case__					:	Optional[int]          =					data
          snake_case__					:	Union[str, Any]          =					None
          snake_case__					:	Union[str, Any]          =					None




   def __str__(	self	:					Optional[int]						)->	Optional[Any]:
          return F"""{self.data}"""







class 					_A						:



   '''simple docstring'''






   def __init__(	self	:					Tuple						)->	int:
          snake_case__					:	Union[str, Any]          =					None
          snake_case__					:	Union[str, Any]          =					None




   def __iter__(	self	:					Dict						)->	List[Any]:
          snake_case__					:	Union[str, Any]          =					self.head
          while node:
                 yield node.data
                 snake_case__					:	Union[str, Any]          =					node.next




   def __str__(	self	:					str						)->	Union[str, Any]:
          return "->".join([str(__lowerCAmelCase						) for item in self]						)




   def __len__(	self	:					Dict						)->	Dict:
          return sum(1 for _ in self						)




   def   __lowerCAmelCase						(	self	:					Dict					, lowerCamelCase	:					Tuple						)->	Dict:
          self.insert_at_nth(0					, __lowerCAmelCase						)




   def   __lowerCAmelCase						(	self	:					str					, lowerCamelCase	:					Optional[int]						)->	Union[str, Any]:
          self.insert_at_nth(len(self						)					, __lowerCAmelCase						)




   def   __lowerCAmelCase						(	self	:					List[str]					, lowerCamelCase	:					Tuple					, lowerCamelCase	:					Union[str, Any]						)->	Optional[int]:
          snake_case__					:	List[Any]          =					len(self						)

          if not 0 <= index <= length:
                 raise IndexError("""list index out of range"""						)
          snake_case__					:	Dict          =					Node(__lowerCAmelCase						)
          if self.head is None:
                 snake_case__					:	int          =					new_node
          elif index == 0:
                 snake_case__					:	List[Any]          =					new_node
                 snake_case__					:	List[str]          =					self.head
                 snake_case__					:	Dict          =					new_node
          elif index == length:
                 snake_case__					:	Optional[int]          =					new_node
                 snake_case__					:	List[str]          =					self.tail
                 snake_case__					:	Optional[int]          =					new_node
          else:
                 snake_case__					:	str          =					self.head
                 for _ in range(0					, __lowerCAmelCase						):
                        snake_case__					:	str          =					temp.next
                 snake_case__					:	int          =					new_node
                 snake_case__					:	List[Any]          =					temp.previous
                 snake_case__					:	Optional[int]          =					temp
                 snake_case__					:	str          =					new_node




   def   __lowerCAmelCase						(	self	:					List[str]						)->	int:
          return self.delete_at_nth(0						)




   def   __lowerCAmelCase						(	self	:					Optional[int]						)->	Tuple:
          return self.delete_at_nth(len(self						) - 1						)




   def   __lowerCAmelCase						(	self	:					str					, lowerCamelCase	:					str						)->	List[Any]:
          snake_case__					:	Union[str, Any]          =					len(self						)

          if not 0 <= index <= length - 1:
                 raise IndexError("""list index out of range"""						)
          snake_case__					:	str          =					self.head  # default first node
          if length == 1:
                 snake_case__					:	List[str]          =					None
          elif index == 0:
                 snake_case__					:	str          =					self.head.next
                 snake_case__					:	List[str]          =					None
          elif index == length - 1:
                 snake_case__					:	Any          =					self.tail
                 snake_case__					:	int          =					self.tail.previous
                 snake_case__					:	Union[str, Any]          =					None
          else:
                 snake_case__					:	str          =					self.head
                 for _ in range(0					, __lowerCAmelCase						):
                        snake_case__					:	Tuple          =					temp.next
                 snake_case__					:	Dict          =					temp
                 snake_case__					:	Dict          =					temp.previous
                 snake_case__					:	Optional[int]          =					temp.next
          return delete_node.data




   def   __lowerCAmelCase						(	self	:					str					, lowerCamelCase	:					Tuple						)->	List[Any]:
          snake_case__					:	Tuple          =					self.head

          while current.data != data:  # Find the position to delete
                 if current.next:
                        snake_case__					:	Optional[Any]          =					current.next
                 else:  # We have reached the end an no value matches
                        raise ValueError("""No data matching given value"""						)

          if current == self.head:
                 self.delete_head()

          elif current == self.tail:
                 self.delete_tail()

          else:  # Before: 1 <--> 2(current) <--> 3
                 snake_case__					:	Tuple          =					current.next  # 1 --> 3
                 snake_case__					:	str          =					current.previous  # 1 <--> 3
          return data




   def   __lowerCAmelCase						(	self	:					Any						)->	Any:
          return len(self						) == 0







def 				lowerCAmelCase__	(       ):






       """simple docstring"""





       snake_case__					:	Any          =					DoublyLinkedList()
       assert linked_list.is_empty() is True
       assert str(UpperCAmelCase_     ) == ""

       try:
              linked_list.delete_head()
              raise AssertionError  # This should not happen.
       except IndexError:
              assert True  # This should happen.

       try:
              linked_list.delete_tail()
              raise AssertionError  # This should not happen.
       except IndexError:
              assert True  # This should happen.

       for i in range(10     ):
              assert len(UpperCAmelCase_     ) == i
              linked_list.insert_at_nth(UpperCAmelCase_    ,       i + 1     )
       assert str(UpperCAmelCase_     ) == "->".join(str(UpperCAmelCase_     ) for i in range(1    ,       11     )     )

       linked_list.insert_at_head(0     )
       linked_list.insert_at_tail(11     )
       assert str(UpperCAmelCase_     ) == "->".join(str(UpperCAmelCase_     ) for i in range(0    ,       12     )     )

       assert linked_list.delete_head() == 0
       assert linked_list.delete_at_nth(9     ) == 10
       assert linked_list.delete_tail() == 11
       assert len(UpperCAmelCase_     ) == 9
       assert str(UpperCAmelCase_     ) == "->".join(str(UpperCAmelCase_     ) for i in range(1    ,       10     )     )


if __name__ == "__main__":
     from doctest import testmod

     testmod()










'''simple docstring'''





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

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


if is_sentencepiece_available():
  from .tokenization_reformer import ReformerTokenizer
else:
  a		:	Optional[int]       =      None


a		:	Optional[Any]       =      logging.get_logger(__name__)


a		:	Union[str, Any]       =      '''▁'''

a		:	Any       =      {'''vocab_file''': '''spiece.model''', '''tokenizer_file''': '''tokenizer.json'''}

a		:	List[Any]       =      {
    '''vocab_file''': {
        '''google/reformer-crime-and-punishment''': (
            '''https://huggingface.co/google/reformer-crime-and-punishment/resolve/main/spiece.model'''
        )
    },
    '''tokenizer_file''': {
        '''google/reformer-crime-and-punishment''': (
            '''https://huggingface.co/google/reformer-crime-and-punishment/resolve/main/tokenizer.json'''
        )
    },
}

a		:	Any       =      {
    '''google/reformer-crime-and-punishment''': 5_2_4_2_8_8,
}




class      UpperCamelCase       (	snake_case__       ):
  a     :str          =					VOCAB_FILES_NAMES
  a     :List[Any]          =					PRETRAINED_VOCAB_FILES_MAP
  a     :Optional[int]          =					PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
  a     :Any          =					['input_ids', 'attention_mask']
  a     :int          =					ReformerTokenizer



  def __init__(			self		,     __lowerCAmelCase=None		,     __lowerCAmelCase=None		,     __lowerCAmelCase="</s>"		,     __lowerCAmelCase="<unk>"		,     __lowerCAmelCase=[]		,     **__lowerCAmelCase		,     ):







      '''simple docstring'''


      super().__init__(
          __lowerCAmelCase		,     tokenizer_file=__lowerCAmelCase		,     eos_token=__lowerCAmelCase		,     unk_token=__lowerCAmelCase		,     additional_special_tokens=__lowerCAmelCase		,     **__lowerCAmelCase		,     )

      _a				:							List[str]							       =      vocab_file
      _a				:							Optional[int]							       =      False if not self.vocab_file else True



  def     a_							(			self		,     __lowerCAmelCase		,     __lowerCAmelCase = None ):







      '''simple docstring'''


      if not self.can_save_slow_tokenizer:
          raise ValueError(
              """Your fast tokenizer does not have the necessary information to save the vocabulary for a slow """
              """tokenizer.""" )

      if not os.path.isdir(__lowerCAmelCase ):
          logger.error(f'''Vocabulary path ({save_directory}) should be a directory''' )
          return
      _a				:							List[str]							       =      os.path.join(
          __lowerCAmelCase		,     (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""] )

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

      return (out_vocab_file,)


