"""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  _lowerCamelCase			(__lowerCamelCase						,							unittest.TestCase     ):
				_snake_case     =  CTRLTokenizer
				_snake_case     =  False
				_snake_case     =  False







				def 							__UpperCAmelCase					( self    :       Optional[int]						):

					"""simple docstring"""






					super().setUp()

					# Adapted from Sennrich et al. 2015 and https://github.com/rsennrich/subword-nmt
					_lowercase :    int							=							['adapt', 're@@', 'a@@', 'apt', 'c@@', 't', '<unk>']
					_lowercase :    List[Any]							=							dict(zip(lowerCamelCase_			,					range(len(lowerCamelCase_						)						)						)						)
					_lowercase :    Tuple							=							['#version: 0.2', 'a p', 'ap t</w>', 'r e', 'a d', 'ad apt</w>', '']
					_lowercase :    Tuple							=							{'unk_token': '<unk>'}

					_lowercase :    str							=							os.path.join(self.tmpdirname			,					VOCAB_FILES_NAMES['vocab_file']						)
					_lowercase :    List[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(lowerCamelCase_						) + '\n'						)
					with open(self.merges_file			,					'w'			,					encoding='utf-8'						) as fp:
						fp.write('\n'.join(lowerCamelCase_						)						)







				def 							__UpperCAmelCase					( self    :       str			,					**lowerCamelCase_    :       Union[str, Any]						):

					"""simple docstring"""






					kwargs.update(self.special_tokens_map						)
					return CTRLTokenizer.from_pretrained(self.tmpdirname			,					**lowerCamelCase_						)







				def 							__UpperCAmelCase					( self    :       Optional[Any]			,					lowerCamelCase_    :       Optional[int]						):

					"""simple docstring"""






					_lowercase :    Union[str, Any]							=							'adapt react readapt apt'
					_lowercase :    Optional[Any]							=							'adapt react readapt apt'
					return input_text, output_text







				def 							__UpperCAmelCase					( self    :       int						):

					"""simple docstring"""






					_lowercase :    List[str]							=							CTRLTokenizer(self.vocab_file			,					self.merges_file			,					**self.special_tokens_map						)
					_lowercase :    Tuple							=							'adapt react readapt apt'
					_lowercase :    int							=							'adapt re@@ a@@ c@@ t re@@ adapt apt'.split()
					_lowercase :    List[str]							=							tokenizer.tokenize(lowerCamelCase_						)
					self.assertListEqual(lowerCamelCase_			,					lowerCamelCase_						)

					_lowercase :    Any							=							tokens + [tokenizer.unk_token]

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




"""simple docstring"""







def      __lowerCAmelCase(		__UpperCAmelCase     ,__UpperCAmelCase     ,__UpperCAmelCase			):






	"""simple docstring"""





	return not any(
	    neighbour == 1 and colored_vertices[i] == color
	    for i, neighbour in enumerate(__UpperCAmelCase			)			)


def      __lowerCAmelCase(		__UpperCAmelCase     ,__UpperCAmelCase     ,__UpperCAmelCase     ,__UpperCAmelCase			):






	"""simple docstring"""





	if index == len(__UpperCAmelCase			):
		return True

	# Recursive Step
	for i in range(__UpperCAmelCase			):
		if valid_coloring(graph[index]     ,__UpperCAmelCase     ,__UpperCAmelCase			):
			# Color current vertex
			_lowercase :    str							=							i
			# Validate coloring
			if util_color(__UpperCAmelCase     ,__UpperCAmelCase     ,__UpperCAmelCase     ,index + 1			):
				return True
			# Backtrack
			_lowercase :    List[str]							=							-1
	return False







def      __lowerCAmelCase(		__UpperCAmelCase     ,__UpperCAmelCase			):






	"""simple docstring"""





	_lowercase :    Any							=							[-1] * len(__UpperCAmelCase			)

	if util_color(__UpperCAmelCase     ,__UpperCAmelCase     ,__UpperCAmelCase     ,0			):
		return colored_vertices

	return []



