




'''simple docstring'''






from __future__ import annotations

import unittest
from collections.abc import Iterator



class    A						:




				'''simple docstring'''





				def __init__(self					,    _UpperCAmelCase					,    _UpperCAmelCase     )      ->			str:
							__UpperCamelCase :     List[str]										=  label
							__UpperCamelCase :     str										=  parent
							__UpperCamelCase :     Node | None										=  None
							__UpperCamelCase :     Node | None										=  None







class    A						:




				'''simple docstring'''





				def __init__(self     )      ->			int:
							__UpperCamelCase :     Node | None										=  None
				def 			a_			(self     )      ->			Dict:
							__UpperCamelCase :     Tuple										=  None
				def 			a_			(self     )      ->			Dict:
							return self.root is None
				def 			a_			(self					,    _UpperCAmelCase     )      ->			Optional[Any]:
							__UpperCamelCase :     List[str]										=  self._put(self.root					,    _SCREAMING_SNAKE_CASE     )
				def 			a_			(self					,    _UpperCAmelCase					,    _UpperCAmelCase					,    _UpperCAmelCase = None     )      ->			List[Any]:
							if node is None:
										__UpperCamelCase :     List[str]										=  Node(_SCREAMING_SNAKE_CASE					,    _SCREAMING_SNAKE_CASE     )
							else:
										if label < node.label:
													__UpperCamelCase :     Optional[int]										=  self._put(node.left					,    _SCREAMING_SNAKE_CASE					,    _SCREAMING_SNAKE_CASE     )
										elif label > node.label:
													__UpperCamelCase :     int										=  self._put(node.right					,    _SCREAMING_SNAKE_CASE					,    _SCREAMING_SNAKE_CASE     )
										else:
													__UpperCamelCase :     Optional[Any]										=  f"Node with label {label} already exists"
													raise Exception(_SCREAMING_SNAKE_CASE     )

							return node
				def 			a_			(self					,    _UpperCAmelCase     )      ->			Any:
							return self._search(self.root					,    _SCREAMING_SNAKE_CASE     )
				def 			a_			(self					,    _UpperCAmelCase					,    _UpperCAmelCase     )      ->			List[str]:
							if node is None:
										__UpperCamelCase :     Optional[Any]										=  f"Node with label {label} does not exist"
										raise Exception(_SCREAMING_SNAKE_CASE     )
							else:
										if label < node.label:
													__UpperCamelCase :     List[str]										=  self._search(node.left					,    _SCREAMING_SNAKE_CASE     )
										elif label > node.label:
													__UpperCamelCase :     Optional[int]										=  self._search(node.right					,    _SCREAMING_SNAKE_CASE     )

							return node
				def 			a_			(self					,    _UpperCAmelCase     )      ->			Optional[Any]:
							__UpperCamelCase :     Dict										=  self.search(_SCREAMING_SNAKE_CASE     )
							if node.right and node.left:
										__UpperCamelCase :     Tuple										=  self._get_lowest_node(node.right     )
										__UpperCamelCase :     Any										=  node.left
										__UpperCamelCase :     Any										=  node.right
										__UpperCamelCase :     str										=  lowest_node
										if node.right:
													__UpperCamelCase :     Optional[int]										=  lowest_node
										self._reassign_nodes(_SCREAMING_SNAKE_CASE					,    _SCREAMING_SNAKE_CASE     )
							elif not node.right and node.left:
										self._reassign_nodes(_SCREAMING_SNAKE_CASE					,    node.left     )
							elif node.right and not node.left:
										self._reassign_nodes(_SCREAMING_SNAKE_CASE					,    node.right     )
							else:
										self._reassign_nodes(_SCREAMING_SNAKE_CASE					,    _SCREAMING_SNAKE_CASE     )
				def 			a_			(self					,    _UpperCAmelCase					,    _UpperCAmelCase     )      ->			Tuple:
							if new_children:
										__UpperCamelCase :     List[str]										=  node.parent

							if node.parent:
										if node.parent.right == node:
													__UpperCamelCase :     Optional[int]										=  new_children
										else:
													__UpperCamelCase :     Optional[Any]										=  new_children
							else:
										__UpperCamelCase :     Any										=  new_children
				def 			a_			(self					,    _UpperCAmelCase     )      ->			List[str]:
							if node.left:
										__UpperCamelCase :     Optional[int]										=  self._get_lowest_node(node.left     )
							else:
										__UpperCamelCase :     Optional[Any]										=  node
										self._reassign_nodes(_SCREAMING_SNAKE_CASE					,    node.right     )

							return lowest_node
				def 			a_			(self					,    _UpperCAmelCase     )      ->			Dict:
							try:
										self.search(_SCREAMING_SNAKE_CASE     )
										return True
							except Exception:
										return False
				def 			a_			(self     )      ->			Optional[Any]:
							if self.root is None:
										raise Exception("Binary search tree is empty"     )

							__UpperCamelCase :     int										=  self.root
							while node.right is not None:
										__UpperCamelCase :     Optional[Any]										=  node.right

							return node.label
				def 			a_			(self     )      ->			List[str]:
							if self.root is None:
										raise Exception("Binary search tree is empty"     )

							__UpperCamelCase :     Optional[int]										=  self.root
							while node.left is not None:
										__UpperCamelCase :     str										=  node.left

							return node.label
				def 			a_			(self     )      ->			List[Any]:
							return self._inorder_traversal(self.root     )
				def 			a_			(self					,    _UpperCAmelCase     )      ->			Union[str, Any]:
							if node is not None:
										yield from self._inorder_traversal(node.left     )
										yield node
										yield from self._inorder_traversal(node.right     )
				def 			a_			(self     )      ->			Any:
							return self._preorder_traversal(self.root     )





				def 			a_			(self					,    _UpperCAmelCase     )      ->			int:
							if node is not None:
										yield node
										yield from self._preorder_traversal(node.left     )
										yield from self._preorder_traversal(node.right     )







class    A						(					unittest.TestCase						):




				'''simple docstring'''





				@staticmethod
				def 			a_			()      ->			int:
							__UpperCamelCase :     Optional[int]										=  BinarySearchTree()
							t.put(8     )
							t.put(3     )
							t.put(6     )
							t.put(1     )
							t.put(1_0     )
							t.put(1_4     )
							t.put(1_3     )
							t.put(4     )
							t.put(7     )
							t.put(5     )

							return t
				def 			a_			(self     )      ->			Dict:
							__UpperCamelCase :     Dict										=  BinarySearchTree()
							assert t.is_empty()

							t.put(8     )
							assert t.root is not None
							assert t.root.parent is None
							assert t.root.label == 8

							t.put(1_0     )
							assert t.root.right is not None
							assert t.root.right.parent == t.root
							assert t.root.right.label == 1_0

							t.put(3     )
							assert t.root.left is not None
							assert t.root.left.parent == t.root
							assert t.root.left.label == 3

							t.put(6     )
							assert t.root.left.right is not None
							assert t.root.left.right.parent == t.root.left
							assert t.root.left.right.label == 6

							t.put(1     )
							assert t.root.left.left is not None
							assert t.root.left.left.parent == t.root.left
							assert t.root.left.left.label == 1

							with self.assertRaises(_SCREAMING_SNAKE_CASE     ):  # noqa: B017
										t.put(1     )
				def 			a_			(self     )      ->			str:
							__UpperCamelCase :     str										=  self._get_binary_search_tree()

							__UpperCamelCase :     Union[str, Any]										=  t.search(6     )
							assert node.label == 6

							__UpperCamelCase :     Union[str, Any]										=  t.search(1_3     )
							assert node.label == 1_3

							with self.assertRaises(_SCREAMING_SNAKE_CASE     ):  # noqa: B017
										t.search(2     )
				def 			a_			(self     )      ->			List[str]:
							__UpperCamelCase :     str										=  self._get_binary_search_tree()

							t.remove(1_3     )
							assert t.root is not None
							assert t.root.right is not None
							assert t.root.right.right is not None
							assert t.root.right.right.right is None
							assert t.root.right.right.left is None

							t.remove(7     )
							assert t.root.left is not None
							assert t.root.left.right is not None
							assert t.root.left.right.left is not None
							assert t.root.left.right.right is None
							assert t.root.left.right.left.label == 4

							t.remove(6     )
							assert t.root.left.left is not None
							assert t.root.left.right.right is not None
							assert t.root.left.left.label == 1
							assert t.root.left.right.label == 4
							assert t.root.left.right.right.label == 5
							assert t.root.left.right.left is None
							assert t.root.left.left.parent == t.root.left
							assert t.root.left.right.parent == t.root.left

							t.remove(3     )
							assert t.root is not None
							assert t.root.left.label == 4
							assert t.root.left.right.label == 5
							assert t.root.left.left.label == 1
							assert t.root.left.parent == t.root
							assert t.root.left.left.parent == t.root.left
							assert t.root.left.right.parent == t.root.left

							t.remove(4     )
							assert t.root.left is not None
							assert t.root.left.left is not None
							assert t.root.left.label == 5
							assert t.root.left.right is None
							assert t.root.left.left.label == 1
							assert t.root.left.parent == t.root
							assert t.root.left.left.parent == t.root.left
				def 			a_			(self     )      ->			int:
							__UpperCamelCase :     int										=  self._get_binary_search_tree()

							t.remove(3     )
							assert t.root is not None
							assert t.root.left is not None
							assert t.root.left.left is not None
							assert t.root.left.right is not None
							assert t.root.left.right.left is not None
							assert t.root.left.right.right is not None
							assert t.root.left.label == 4
							assert t.root.left.right.label == 6
							assert t.root.left.left.label == 1
							assert t.root.left.right.right.label == 7
							assert t.root.left.right.left.label == 5
							assert t.root.left.parent == t.root
							assert t.root.left.right.parent == t.root.left
							assert t.root.left.left.parent == t.root.left
							assert t.root.left.right.left.parent == t.root.left.right
				def 			a_			(self     )      ->			str:
							__UpperCamelCase :     List[Any]										=  self._get_binary_search_tree()
							t.empty()
							assert t.root is None
				def 			a_			(self     )      ->			Optional[int]:
							__UpperCamelCase :     Any										=  self._get_binary_search_tree()
							assert not t.is_empty()

							t.empty()
							assert t.is_empty()
				def 			a_			(self     )      ->			List[str]:
							__UpperCamelCase :     Optional[int]										=  self._get_binary_search_tree()

							assert t.exists(6     )
							assert not t.exists(-1     )
				def 			a_			(self     )      ->			Union[str, Any]:
							__UpperCamelCase :     Union[str, Any]										=  self._get_binary_search_tree()

							assert t.get_max_label() == 1_4

							t.empty()
							with self.assertRaises(_SCREAMING_SNAKE_CASE     ):  # noqa: B017
										t.get_max_label()
				def 			a_			(self     )      ->			Optional[int]:
							__UpperCamelCase :     Any										=  self._get_binary_search_tree()

							assert t.get_min_label() == 1

							t.empty()
							with self.assertRaises(_SCREAMING_SNAKE_CASE     ):  # noqa: B017
										t.get_min_label()
				def 			a_			(self     )      ->			Dict:
							__UpperCamelCase :     Optional[Any]										=  self._get_binary_search_tree()

							__UpperCamelCase :     Optional[int]										=  [i.label for i in t.inorder_traversal()]
							assert inorder_traversal_nodes == [1, 3, 4, 5, 6, 7, 8, 1_0, 1_3, 1_4]





				def 			a_			(self     )      ->			Union[str, Any]:
							__UpperCamelCase :     List[Any]										=  self._get_binary_search_tree()

							__UpperCamelCase :     List[str]										=  [i.label for i in t.preorder_traversal()]
							assert preorder_traversal_nodes == [8, 3, 1, 6, 4, 5, 7, 1_0, 1_4, 1_3]







def      __lowerCAmelCase   (       ):
			__UpperCamelCase :     Union[str, Any]										=  BinarySearchTree()
			t.put(8		)
			t.put(3		)
			t.put(6		)
			t.put(1		)
			t.put(10		)
			t.put(14		)
			t.put(13		)
			t.put(4		)
			t.put(7		)
			t.put(5		)

			print(
			    "\n            8\n           / \\\n          3   10\n         / \\    \\\n        1   6    14\n           / \\   /\n          4   7 13\n           \\\n            5\n        "		)

			print("Label 6 exists:"   , t.exists(6		)		)
			print("Label 13 exists:"   , t.exists(13		)		)
			print("Label -1 exists:"   , t.exists(-1		)		)
			print("Label 12 exists:"   , t.exists(12		)		)

			# Prints all the elements of the list in inorder traversal
			__UpperCamelCase :     int										=  [i.label for i in t.inorder_traversal()]
			print("Inorder traversal:"   , _UpperCamelCase		)

			# Prints all the elements of the list in preorder traversal
			__UpperCamelCase :     Tuple										=  [i.label for i in t.preorder_traversal()]
			print("Preorder traversal:"   , _UpperCamelCase		)

			print("Max. label:"   , t.get_max_label()		)
			print("Min. label:"   , t.get_min_label()		)

			# Delete elements
			print("\nDeleting elements 13, 10, 8, 3, 6, 14"		)
			print(
			    "\n          4\n         / \\\n        1   7\n             \\\n              5\n        "		)
			t.remove(13		)
			t.remove(10		)
			t.remove(8		)
			t.remove(3		)
			t.remove(6		)
			t.remove(14		)

			# Prints all the elements of the list in inorder traversal after delete
			__UpperCamelCase :     str										=  [i.label for i in t.inorder_traversal()]
			print("Inorder traversal after delete:"   , _UpperCamelCase		)

			# Prints all the elements of the list in preorder traversal after delete
			__UpperCamelCase :     Optional[int]										=  [i.label for i in t.preorder_traversal()]
			print("Preorder traversal after delete:"   , _UpperCamelCase		)

			print("Max. label:"   , t.get_max_label()		)
			print("Min. label:"   , t.get_min_label()		)


if __name__ == "__main__":
				binary_search_tree_example()





"""simple docstring"""







import json
import os
from typing import List, Optional, Tuple

from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging


lowerCamelCase__     =						logging.get_logger(__name__)

lowerCamelCase__     =						{
    """vocab_file""": """vocab.json""",
    """merges_file""": """merges.txt""",
}

lowerCamelCase__     =						{
    """vocab_file""": {
        """microsoft/biogpt""": """https://huggingface.co/microsoft/biogpt/resolve/main/vocab.json""",
    },
    """merges_file""": {"""microsoft/biogpt""": """https://huggingface.co/microsoft/biogpt/resolve/main/merges.txt"""},
}

lowerCamelCase__     =						{
    """microsoft/biogpt""": 1_024,
}
def        __lowerCAmelCase							(_UpperCamelCase						):
	__lowerCAmelCase     :		Tuple		     = set()
	__lowerCAmelCase     :		str		     = word[0]
	for char in word[1:]:
		pairs.add((prev_char, char)						)
		__lowerCAmelCase     :		Optional[Any]		     = char
	return pairs




class 					A__			(      _lowerCamelCase):
		A_		:			Union[str, Any]							  =      VOCAB_FILES_NAMES
		A_		:			List[Any]							  =      PRETRAINED_VOCAB_FILES_MAP
		A_		:			Optional[Any]							  =      PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
		A_		:			int							  =      ['input_ids', 'attention_mask']

		def __init__( self			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE="<unk>"			,						_SCREAMING_SNAKE_CASE="<s>"			,						_SCREAMING_SNAKE_CASE="</s>"			,						_SCREAMING_SNAKE_CASE="</s>"			,						_SCREAMING_SNAKE_CASE="<pad>"			,						**_SCREAMING_SNAKE_CASE			,						):
			super().__init__(
			    bos_token=_SCREAMING_SNAKE_CASE			,						eos_token=_SCREAMING_SNAKE_CASE			,						sep_token=_SCREAMING_SNAKE_CASE			,						unk_token=_SCREAMING_SNAKE_CASE			,						pad_token=_SCREAMING_SNAKE_CASE			,						**_SCREAMING_SNAKE_CASE			,						)

			try:
				import sacremoses
			except ImportError:
				raise ImportError(
				    'You need to install sacremoses to use BioGptTokenizer. '
				    'See https://pypi.org/project/sacremoses/ for installation.'					)

			__lowerCAmelCase     :		int		     = 'en'
			__lowerCAmelCase     :		Optional[Any]		     = sacremoses
			# cache of sm.MosesTokenizer instance
			__lowerCAmelCase     :		Optional[int]		     = {}
			__lowerCAmelCase     :		Any		     = {}
			with open(_SCREAMING_SNAKE_CASE			,						encoding='utf-8'					) as vocab_handle:
				__lowerCAmelCase     :		int		     = json.load(_SCREAMING_SNAKE_CASE					)
			__lowerCAmelCase     :		Any		     = {v: k for k, v in self.encoder.items()}
			with open(_SCREAMING_SNAKE_CASE			,						encoding='utf-8'					) as merges_handle:
				__lowerCAmelCase     :		Optional[int]		     = merges_handle.read().split('\n'					)[:-1]
			__lowerCAmelCase     :		Dict		     = [tuple(merge.split()[:2]					) for merge in merges]
			__lowerCAmelCase     :		Optional[Any]		     = dict(zip(_SCREAMING_SNAKE_CASE			,						range(len(_SCREAMING_SNAKE_CASE					)					)					)					)
			__lowerCAmelCase     :		Optional[int]		     = {}

		@property
		def 				__lowerCamelCase				( self					):
			return len(self.encoder					)

		def 				__lowerCamelCase				( self					):
			return dict(self.encoder			,						**self.added_tokens_encoder					)

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE					):
			if lang not in self.cache_moses_tokenizer:
				__lowerCAmelCase     :		str		     = self.sm.MosesTokenizer(lang=_SCREAMING_SNAKE_CASE					)
				__lowerCAmelCase     :		Optional[int]		     = moses_tokenizer
			return self.cache_moses_tokenizer[lang].tokenize(
			    _SCREAMING_SNAKE_CASE			,						aggressive_dash_splits=_SCREAMING_SNAKE_CASE			,						return_str=_SCREAMING_SNAKE_CASE			,						escape=_SCREAMING_SNAKE_CASE					)

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE					):
			if lang not in self.cache_moses_detokenizer:
				__lowerCAmelCase     :		Any		     = self.sm.MosesDetokenizer(lang=_SCREAMING_SNAKE_CASE					)
				__lowerCAmelCase     :		Any		     = moses_detokenizer
			return self.cache_moses_detokenizer[lang].detokenize(_SCREAMING_SNAKE_CASE					)

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE					):
			__lowerCAmelCase     :		List[Any]		     = tuple(token[:-1]					) + (token[-1] + '</w>',)
			if token in self.cache:
				return self.cache[token]
			__lowerCAmelCase     :		Union[str, Any]		     = get_pairs(_SCREAMING_SNAKE_CASE					)

			if not pairs:
				return token + "</w>"

			while True:
				__lowerCAmelCase     :		List[Any]		     = min(_SCREAMING_SNAKE_CASE			,						key=lambda _SCREAMING_SNAKE_CASE					: self.bpe_ranks.get(_SCREAMING_SNAKE_CASE			,						float('inf'					)					)					)
				if bigram not in self.bpe_ranks:
					break
				__lowerCAmelCase     ,  __lowerCAmelCase     :		str		     = bigram
				__lowerCAmelCase     :		Any		     = []
				__lowerCAmelCase     :		Optional[Any]		     = 0
				while i < len(_SCREAMING_SNAKE_CASE					):
					try:
						__lowerCAmelCase     :		Optional[Any]		     = word.index(_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE					)
					except ValueError:
						new_word.extend(word[i:]					)
						break
					else:
						new_word.extend(word[i:j]					)
						__lowerCAmelCase     :		int		     = j

					if word[i] == first and i < len(_SCREAMING_SNAKE_CASE					) - 1 and word[i + 1] == second:
						new_word.append(first + second					)
						i += 2
					else:
						new_word.append(word[i]					)
						i += 1
				__lowerCAmelCase     :		Optional[Any]		     = tuple(_SCREAMING_SNAKE_CASE					)
				__lowerCAmelCase     :		Optional[Any]		     = new_word
				if len(_SCREAMING_SNAKE_CASE					) == 1:
					break
				else:
					__lowerCAmelCase     :		Optional[Any]		     = get_pairs(_SCREAMING_SNAKE_CASE					)
			__lowerCAmelCase     :		Optional[int]		     = ' '.join(_SCREAMING_SNAKE_CASE					)
			if word == "\n  </w>":
				__lowerCAmelCase     :		Dict		     = '\n</w>'
			__lowerCAmelCase     :		Optional[int]		     = word
			return word

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE=False					):
			if bypass_tokenizer:
				__lowerCAmelCase     :		Any		     = text.split()
			else:
				__lowerCAmelCase     :		Union[str, Any]		     = self.moses_tokenize(_SCREAMING_SNAKE_CASE			,						self.lang					)

			__lowerCAmelCase     :		List[str]		     = []
			for token in text:
				if token:
					split_tokens.extend(list(self.bpe(_SCREAMING_SNAKE_CASE					).split(' '					)					)					)

			return split_tokens

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE					):
			return self.encoder.get(_SCREAMING_SNAKE_CASE			,						self.encoder.get(self.unk_token					)					)

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE					):
			return self.decoder.get(_SCREAMING_SNAKE_CASE			,						self.unk_token					)

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE					):
			__lowerCAmelCase     :		List[str]		     = [t.replace(' '			,						''					).replace('</w>'			,						' '					) for t in tokens]
			__lowerCAmelCase     :		List[Any]		     = ''.join(_SCREAMING_SNAKE_CASE					).split()
			# detokenize
			__lowerCAmelCase     :		int		     = self.moses_detokenize(_SCREAMING_SNAKE_CASE			,						self.lang					)
			return text

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE = None					):
			if token_ids_a is None:
				return [self.sep_token_id] + token_ids_a
			__lowerCAmelCase     :		Dict		     = [self.sep_token_id]
			return sep + token_ids_a + sep + token_ids_a

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE = None			,						_SCREAMING_SNAKE_CASE = False					):
			if already_has_special_tokens:
				return super().get_special_tokens_mask(
				    token_ids_a=_SCREAMING_SNAKE_CASE			,						token_ids_a=_SCREAMING_SNAKE_CASE			,						already_has_special_tokens=_SCREAMING_SNAKE_CASE					)
			# no bos used in fairseq
			if token_ids_a is not None:
				return [1] + ([0] * len(_SCREAMING_SNAKE_CASE					)) + [1] + ([0] * len(_SCREAMING_SNAKE_CASE					))
			return [1] + ([0] * len(_SCREAMING_SNAKE_CASE					))

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE = None					):
			__lowerCAmelCase     :		int		     = [self.sep_token_id]

			# no bos used in fairseq
			if token_ids_a is None:
				return len(token_ids_a + sep					) * [0]
			return len(token_ids_a + sep					) * [0] + len(token_ids_a + sep					) * [1]

		def 				__lowerCamelCase				( self			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE = None					):
			if not os.path.isdir(_SCREAMING_SNAKE_CASE					):
				logger.error(f"Vocabulary path ({save_directory}) should be a directory"					)
				return
			__lowerCAmelCase     :		List[Any]		     = os.path.join(
			    _SCREAMING_SNAKE_CASE			,						(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']					)
			__lowerCAmelCase     :		List[str]		     = os.path.join(
			    _SCREAMING_SNAKE_CASE			,						(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['merges_file']					)

			with open(_SCREAMING_SNAKE_CASE			,						'w'			,						encoding='utf-8'					) as f:
				f.write(json.dumps(self.encoder			,						indent=2			,						sort_keys=_SCREAMING_SNAKE_CASE			,						ensure_ascii=_SCREAMING_SNAKE_CASE					) + '\n'					)

			__lowerCAmelCase     :		str		     = 0
			with open(_SCREAMING_SNAKE_CASE			,						'w'			,						encoding='utf-8'					) as writer:
				for bpe_tokens, token_index in sorted(self.bpe_ranks.items()			,						key=lambda _SCREAMING_SNAKE_CASE					: kv[1]					):
					if index != token_index:
						logger.warning(
						    f"Saving vocabulary to {merge_file}: BPE merge indices are not consecutive."
						    ' Please check that the tokenizer is not corrupted!'					)
						__lowerCAmelCase     :		List[Any]		     = token_index
					writer.write(' '.join(_SCREAMING_SNAKE_CASE					) + '\n'					)
					index += 1

			return vocab_file, merge_file

		def __getstate__( self					):
			__lowerCAmelCase     :		Any		     = self.__dict__.copy()
			__lowerCAmelCase     :		List[str]		     = None
			return state







		def __setstate__( self			,						_SCREAMING_SNAKE_CASE					):
			__lowerCAmelCase     :		List[str]		     = d

			try:
				import sacremoses
			except ImportError:
				raise ImportError(
				    'You need to install sacremoses to use XLMTokenizer. '
				    'See https://pypi.org/project/sacremoses/ for installation.'					)

			__lowerCAmelCase     :		int		     = sacremoses