

'''simple docstring'''


import json
import os
import unittest

from transformers.models.ctrl.tokenization_ctrl import VOCAB_FILES_NAMES, CTRLTokenizer

from ...test_tokenization_common import TokenizerTesterMixin



class 					lowercase						(  _A,					unittest.TestCase ):
							_lowerCamelCase		:      List[str]=   CTRLTokenizer
							_lowerCamelCase		:      Union[str, Any]=   False
							_lowerCamelCase		:      List[str]=   False


							def 						_snake_case							(			self)							->				int:
								super().setUp()

								# Adapted from Sennrich et al. 2015 and https://github.com/rsennrich/subword-nmt
								UpperCAmelCase_		:      Tuple       	=					["adapt", "re@@", "a@@", "apt", "c@@", "t", "<unk>"]
								UpperCAmelCase_		:      Dict       	=					dict(zip(_snake_case    ,			range(len(_snake_case))))
								UpperCAmelCase_		:      Dict       	=					["#version: 0.2", "a p", "ap t</w>", "r e", "a d", "ad apt</w>", ""]
								UpperCAmelCase_		:      Tuple       	=					{"unk_token": "<unk>"}

								UpperCAmelCase_		:      Optional[int]       	=					os.path.join(self.tmpdirname    ,			VOCAB_FILES_NAMES['vocab_file'])
								UpperCAmelCase_		:      Any       	=					os.path.join(self.tmpdirname    ,			VOCAB_FILES_NAMES['merges_file'])
								with open(self.vocab_file    ,			'w'    ,			encoding='utf-8') as fp:
									fp.write(json.dumps(_snake_case) + '\n')
								with open(self.merges_file    ,			'w'    ,			encoding='utf-8') as fp:
									fp.write('\n'.join(_snake_case))


							def 						_snake_case							(			self    ,			**_snake_case)							->				Tuple:
								kwargs.update(self.special_tokens_map)
								return CTRLTokenizer.from_pretrained(self.tmpdirname    ,			**_snake_case)


							def 						_snake_case							(			self    ,			_snake_case)							->				int:
								UpperCAmelCase_		:      str       	=					"adapt react readapt apt"
								UpperCAmelCase_		:      Union[str, Any]       	=					"adapt react readapt apt"
								return input_text, output_text





							def 						_snake_case							(			self)							->				str:
								UpperCAmelCase_		:      Dict       	=					CTRLTokenizer(self.vocab_file    ,			self.merges_file    ,			**self.special_tokens_map)
								UpperCAmelCase_		:      Dict       	=					"adapt react readapt apt"
								UpperCAmelCase_		:      Tuple       	=					"adapt re@@ a@@ c@@ t re@@ adapt apt".split()
								UpperCAmelCase_		:      str       	=					tokenizer.tokenize(_snake_case)
								self.assertListEqual(_snake_case    ,			_snake_case)

								UpperCAmelCase_		:      Optional[Any]       	=					tokens + [tokenizer.unk_token]

								UpperCAmelCase_		:      Tuple       	=					[0, 1, 2, 4, 5, 1, 0, 3, 6]
								self.assertListEqual(tokenizer.convert_tokens_to_ids(_snake_case)    ,			_snake_case)









'''simple docstring'''


from __future__ import annotations

from typing import Any



class 					lowercase						(  a_ ):
							pass



class 					lowercase						:


							def __init__(			self    ,			_snake_case)							->				None:
								UpperCAmelCase_		:      Any       	=					data
								UpperCAmelCase_		:      Node | None       	=					None


							def __iter__(			self)							->				Optional[int]:
								UpperCAmelCase_		:      int       	=					self
								UpperCAmelCase_		:      List[str]       	=					[]
								while node:
									if node in visited:
										raise ContainsLoopError
									visited.append(_snake_case)
									yield node.data
									UpperCAmelCase_		:      Tuple       	=					node.next_node





							@property
							def 						_snake_case							(			self)							->				bool:
								try:
									list(self)
									return False
								except ContainsLoopError:
									return True


if __name__ == "__main__":
						lowerCAmelCase__										= Node(1)
						lowerCAmelCase__										= Node(2)
						lowerCAmelCase__										= Node(3)
						lowerCAmelCase__										= Node(4)
						print(root_node.has_loop)  # False
						lowerCAmelCase__										= root_node.next_node
						print(root_node.has_loop)  # True

						lowerCAmelCase__										= Node(5)
						lowerCAmelCase__										= Node(6)
						lowerCAmelCase__										= Node(5)
						lowerCAmelCase__										= Node(6)
						print(root_node.has_loop)  # False

						lowerCAmelCase__										= Node(1)
						print(root_node.has_loop)  # False






