


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

import sentencepiece as spm

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


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

_lowerCAmelCase  :		Any		     =	{'vocab_file': 'sentencepiece.bpe.model'}

_lowerCAmelCase  :		List[str]		     =	{
    'vocab_file': {
        'moussaKam/mbarthez': 'https://huggingface.co/moussaKam/mbarthez/resolve/main/sentencepiece.bpe.model',
        'moussaKam/barthez': 'https://huggingface.co/moussaKam/barthez/resolve/main/sentencepiece.bpe.model',
        'moussaKam/barthez-orangesum-title': (
            'https://huggingface.co/moussaKam/barthez-orangesum-title/resolve/main/sentencepiece.bpe.model'
        ),
    },
}

_lowerCAmelCase  :		Optional[int]		     =	{
    'moussaKam/mbarthez': 1024,
    'moussaKam/barthez': 1024,
    'moussaKam/barthez-orangesum-title': 1024,
}

_lowerCAmelCase  :		List[Any]		     =	'▁'



class  lowerCAmelCase				(				a							):
	_lowerCamelCase   :					List[Any]			      = VOCAB_FILES_NAMES
	_lowerCamelCase   :					str			      = PRETRAINED_VOCAB_FILES_MAP
	_lowerCamelCase   :					Dict			      = PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
	_lowerCamelCase   :					Union[str, Any]			      = ["""input_ids""", """attention_mask"""]



	def __init__(					self ,					snake_case__ ,					snake_case__="<s>" ,					snake_case__="</s>" ,					snake_case__="</s>" ,					snake_case__="<s>" ,					snake_case__="<unk>" ,					snake_case__="<pad>" ,					snake_case__="<mask>" ,					snake_case__ = None ,					**snake_case__ ,					):
		# Mask token behave like a normal word, i.e. include the space before it
		lowerCAmelCase					:    Optional[Any]      							= AddedToken(snake_case__ ,					lstrip=snake_case__ ,					rstrip=snake_case__    ) if isinstance(snake_case__ ,					snake_case__    ) else mask_token

		lowerCAmelCase					:    Tuple      							= {} if sp_model_kwargs is None else sp_model_kwargs

		super().__init__(
		    bos_token=snake_case__ ,					eos_token=snake_case__ ,					unk_token=snake_case__ ,					sep_token=snake_case__ ,					cls_token=snake_case__ ,					pad_token=snake_case__ ,					mask_token=snake_case__ ,					sp_model_kwargs=self.sp_model_kwargs ,					**snake_case__ ,					)

		lowerCAmelCase					:    Dict      							= vocab_file
		lowerCAmelCase					:    Tuple      							= spm.SentencePieceProcessor(**self.sp_model_kwargs    )
		self.sp_model.Load(str(snake_case__    )    )

		lowerCAmelCase					:    Optional[Any]      							= {'<s>': 0, '<pad>': 1, '</s>': 2, '<unk>': 3}

		lowerCAmelCase					:    List[str]      							= len(self.sp_model    ) - 1
		lowerCAmelCase					:    Tuple      							= {v: k for k, v in self.fairseq_tokens_to_ids.items()}



	def 				lowercase     (					self ,					snake_case__ ,					snake_case__ = None    ):

		if token_ids_a is None:
			return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
		lowerCAmelCase					:    int      							= [self.cls_token_id]
		lowerCAmelCase					:    Optional[Any]      							= [self.sep_token_id]
		return cls + token_ids_a + sep + sep + token_ids_a + sep



	def 				lowercase     (					self ,					snake_case__ ,					snake_case__ = None ,					snake_case__ = False    ):
		if already_has_special_tokens:
			return super().get_special_tokens_mask(
			    token_ids_a=snake_case__ ,					token_ids_a=snake_case__ ,					already_has_special_tokens=snake_case__    )

		if token_ids_a is None:
			return [1] + ([0] * len(snake_case__    )) + [1]
		return [1] + ([0] * len(snake_case__    )) + [1, 1] + ([0] * len(snake_case__    )) + [1]



	def 				lowercase     (					self ,					snake_case__ ,					snake_case__ = None    ):
		lowerCAmelCase					:    Optional[int]      							= [self.sep_token_id]
		lowerCAmelCase					:    List[str]      							= [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 + sep + token_ids_a + sep    ) * [0]



	@property
	def 				lowercase     (					self    ):
		return len(self.sp_model    )



	def 				lowercase     (					self    ):
		lowerCAmelCase					:    int      							= {self.convert_ids_to_tokens(snake_case__    ): i for i in range(self.vocab_size    )}
		vocab.update(self.added_tokens_encoder    )
		return vocab



	def 				lowercase     (					self ,					snake_case__    ):
		return self.sp_model.encode(snake_case__ ,					out_type=snake_case__    )



	def 				lowercase     (					self ,					snake_case__    ):
		if token in self.fairseq_tokens_to_ids:
			return self.fairseq_tokens_to_ids[token]
		lowerCAmelCase					:    Dict      							= self.sp_model.PieceToId(snake_case__    )

		return spm_id if spm_id else self.unk_token_id



	def 				lowercase     (					self ,					snake_case__    ):
		if index in self.fairseq_ids_to_tokens:
			return self.fairseq_ids_to_tokens[index]
		return self.sp_model.IdToPiece(snake_case__    )



	def 				lowercase     (					self ,					snake_case__    ):
		lowerCAmelCase					:    Optional[Any]      							= []
		lowerCAmelCase					:    Optional[int]      							= ''
		lowerCAmelCase					:    str      							= False
		for token in tokens:
			# make sure that special tokens are not decoded using sentencepiece model
			if token in self.all_special_tokens:
				if not prev_is_special:
					out_string += " "
				out_string += self.sp_model.decode(snake_case__    ) + token
				lowerCAmelCase					:    Optional[Any]      							= True
				lowerCAmelCase					:    List[Any]      							= []
			else:
				current_sub_tokens.append(snake_case__    )
				lowerCAmelCase					:    str      							= False
		out_string += self.sp_model.decode(snake_case__    )
		return out_string.strip()



	def __getstate__(					self    ):
		lowerCAmelCase					:    Union[str, Any]      							= self.__dict__.copy()
		lowerCAmelCase					:    Union[str, Any]      							= None
		return state



	def __setstate__(					self ,					snake_case__    ):
		lowerCAmelCase					:    Any      							= d

		# for backward compatibility
		if not hasattr(self ,					'sp_model_kwargs'    ):
			lowerCAmelCase					:    Tuple      							= {}

		lowerCAmelCase					:    Tuple      							= spm.SentencePieceProcessor(**self.sp_model_kwargs    )
		self.sp_model.Load(self.vocab_file    )



	def 				lowercase     (					self ,					snake_case__ ,					snake_case__ = None    ):
		if not os.path.isdir(snake_case__    ):
			logger.error(f"Vocabulary path ({save_directory}) should be a directory"    )
			return
		lowerCAmelCase					:    List[str]      							= 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__    ) and os.path.isfile(self.vocab_file    ):
			copyfile(self.vocab_file ,					snake_case__    )
		elif not os.path.isfile(self.vocab_file    ):
			with open(snake_case__ ,					'wb'    ) as fi:
				lowerCAmelCase					:    Union[str, Any]      							= self.sp_model.serialized_model_proto()
				fi.write(snake_case__    )

		return (out_vocab_file,)




'''simple docstring'''




from typing import Any



class  lowerCAmelCase				:



	def __init__(					self ,					snake_case__    ):
		lowerCAmelCase					:    Optional[int]      							= data
		lowerCAmelCase					:    Optional[Any]      							= None



	def __repr__(					self    ):
		return f"Node({self.data})"



class  lowerCAmelCase				:



	def __init__(					self    ):
		lowerCAmelCase					:    Dict      							= None



	def __iter__(					self    ):
		lowerCAmelCase					:    Optional[Any]      							= self.head
		while node:
			yield node.data
			lowerCAmelCase					:    Optional[int]      							= node.next



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



	def __repr__(					self    ):
		return "->".join([str(snake_case__    ) for item in self]    )



	def __getitem__(					self ,					snake_case__    ):
		if not 0 <= index < len(self    ):
			raise ValueError('list index out of range.'    )
		for i, node in enumerate(self    ):
			if i == index:
				return node
		return None



	def __setitem__(					self ,					snake_case__ ,					snake_case__    ):
		if not 0 <= index < len(self    ):
			raise ValueError('list index out of range.'    )
		lowerCAmelCase					:    Any      							= self.head
		for _ in range(snake_case__    ):
			lowerCAmelCase					:    List[str]      							= current.next
		lowerCAmelCase					:    int      							= data



	def 				lowercase     (					self ,					snake_case__    ):
		self.insert_nth(len(self    ) ,					snake_case__    )



	def 				lowercase     (					self ,					snake_case__    ):
		self.insert_nth(0 ,					snake_case__    )



	def 				lowercase     (					self ,					snake_case__ ,					snake_case__    ):
		if not 0 <= index <= len(self    ):
			raise IndexError('list index out of range'    )
		lowerCAmelCase					:    List[str]      							= Node(snake_case__    )
		if self.head is None:
			lowerCAmelCase					:    int      							= new_node
		elif index == 0:
			lowerCAmelCase					:    List[Any]      							= self.head  # link new_node to head
			lowerCAmelCase					:    List[Any]      							= new_node
		else:
			lowerCAmelCase					:    List[Any]      							= self.head
			for _ in range(index - 1    ):
				lowerCAmelCase					:    Union[str, Any]      							= temp.next
			lowerCAmelCase					:    Any      							= temp.next
			lowerCAmelCase					:    str      							= new_node



	def 				lowercase     (					self    ):  # print every node data
		print(self    )



	def 				lowercase     (					self    ):
		return self.delete_nth(0    )



	def 				lowercase     (					self    ):  # delete from tail
		return self.delete_nth(len(self    ) - 1    )



	def 				lowercase     (					self ,					snake_case__ = 0    ):
		if not 0 <= index <= len(self    ) - 1:  # test if index is valid
			raise IndexError('List index out of range.'    )
		lowerCAmelCase					:    List[str]      							= self.head  # default first node
		if index == 0:
			lowerCAmelCase					:    Tuple      							= self.head.next
		else:
			lowerCAmelCase					:    Dict      							= self.head
			for _ in range(index - 1    ):
				lowerCAmelCase					:    Tuple      							= temp.next
			lowerCAmelCase					:    Dict      							= temp.next
			lowerCAmelCase					:    Tuple      							= temp.next.next
		return delete_node.data



	def 				lowercase     (					self    ):
		return self.head is None



	def 				lowercase     (					self    ):
		lowerCAmelCase					:    List[Any]      							= None
		lowerCAmelCase					:    Any      							= self.head

		while current:
			# Store the current node's next node.
			lowerCAmelCase					:    List[str]      							= current.next
			# Make the current node's next point backwards
			lowerCAmelCase					:    int      							= prev
			# Make the previous node be the current node
			lowerCAmelCase					:    int      							= current
			# Make the current node the next node (to progress iteration)
			lowerCAmelCase					:    Optional[Any]      							= next_node
		# Return prev in order to put the head at the end
		lowerCAmelCase					:    List[Any]      							= prev


def 			__UpperCamelCase    (    )    ->      None:




	"""simple docstring"""





	lowerCAmelCase					:    Tuple      							= LinkedList()
	assert linked_list.is_empty() is True
	assert str(_A				) == ""

	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(_A				) == i
		linked_list.insert_nth(_A					,   i + 1				)
	assert str(_A				) == "->".join(str(_A				) for i in range(1					,   11				)				)

	linked_list.insert_head(0				)
	linked_list.insert_tail(11				)
	assert str(_A				) == "->".join(str(_A				) for i in range(0					,   12				)				)

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

	assert all(linked_list[i] == i + 1 for i in range(0					,   9				)				) is True

	for i in range(0					,   9				):
		lowerCAmelCase					:    Optional[Any]      							= -i
	assert all(linked_list[i] == -i for i in range(0					,   9				)				) is True

	linked_list.reverse()
	assert str(_A				) == "->".join(str(_A				) for i in range(-8					,   1				)				)

def 			__UpperCamelCase    (    )    ->      None:




	"""simple docstring"""





	lowerCAmelCase					:    Optional[int]      							= [
	    -9,
	    1_00,
	    Node(77_34_51_12				),
	    'dlrow olleH',
	    7,
	    55_55,
	    0,
	    -1_92.5_55_55,
	    'Hello, world!',
	    77.9,
	    Node(10				),
	    None,
	    None,
	    12.20,
	]
	lowerCAmelCase					:    Dict      							= LinkedList()

	for i in test_input:
		linked_list.insert_tail(_A				)

	# Check if it's empty or not
	assert linked_list.is_empty() is False
	assert (
	    str(_A				) == "-9->100->Node(77345112)->dlrow olleH->7->5555->0->"
	    "-192.55555->Hello, world!->77.9->Node(10)->None->None->12.2"
	)

	# Delete the head
	lowerCAmelCase					:    Optional[Any]      							= linked_list.delete_head()
	assert result == -9
	assert (
	    str(_A				) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
	    "Hello, world!->77.9->Node(10)->None->None->12.2"
	)

	# Delete the tail
	lowerCAmelCase					:    List[str]      							= linked_list.delete_tail()
	assert result == 12.2
	assert (
	    str(_A				) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
	    "Hello, world!->77.9->Node(10)->None->None"
	)

	# Delete a node in specific location in linked list
	lowerCAmelCase					:    List[str]      							= linked_list.delete_nth(10				)
	assert result is None
	assert (
	    str(_A				) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
	    "Hello, world!->77.9->Node(10)->None"
	)

	# Add a Node instance to its head
	linked_list.insert_head(Node('Hello again, world!'				)				)
	assert (
	    str(_A				)
	    == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
	    "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None"
	)

	# Add None to its tail
	linked_list.insert_tail(_A				)
	assert (
	    str(_A				)
	    == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
	    "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None->None"
	)

	# Reverse the linked list
	linked_list.reverse()
	assert (
	    str(_A				)
	    == "None->None->Node(10)->77.9->Hello, world!->-192.55555->0->5555->"
	    "7->dlrow olleH->Node(77345112)->100->Node(Hello again, world!)"
	)

def 			__UpperCamelCase    (    )    ->      List[Any]:




	"""simple docstring"""





	from doctest import testmod

	testmod()

	lowerCAmelCase					:    Optional[Any]      							= LinkedList()
	linked_list.insert_head(input('Inserting 1st at head '				).strip()				)
	linked_list.insert_head(input('Inserting 2nd at head '				).strip()				)
	print('\nPrint list:'				)
	linked_list.print_list()
	linked_list.insert_tail(input('\nInserting 1st at tail '				).strip()				)
	linked_list.insert_tail(input('Inserting 2nd at tail '				).strip()				)
	print('\nPrint list:'				)
	linked_list.print_list()
	print('\nDelete head'				)
	linked_list.delete_head()
	print('Delete tail'				)
	linked_list.delete_tail()
	print('\nPrint list:'				)
	linked_list.print_list()
	print('\nReverse linked list'				)
	linked_list.reverse()
	print('\nPrint list:'				)
	linked_list.print_list()
	print('\nString representation of linked list:'				)
	print(_A				)
	print('\nReading/changing Node data using indexing:'				)
	print(F"Element at Position 1: {linked_list[1]}"				)
	lowerCAmelCase					:    Tuple      							= input('Enter New Value: '				).strip()
	print('New list:'				)
	print(_A				)
	print(F"length of linked_list is : {len(_A				)}"				)


if __name__ == "__main__":
				main()
