"""simple docstring"""


import json
from typing import Iterator, List, Union

from tokenizers import AddedToken, Regex, Tokenizer, decoders, normalizers, pre_tokenizers, trainers
from tokenizers.implementations.base_tokenizer import BaseTokenizer
from tokenizers.models import Unigram
from tokenizers.processors import TemplateProcessing




class  UpperCamelCase					(				lowerCAmelCase__   ):







       def __init__( self,							lowerCAmelCase__ = "▁",							lowerCAmelCase__ = True,							lowerCAmelCase__ = "<unk>",							lowerCAmelCase__ = "</s>",							lowerCAmelCase__ = "<pad>",							)      ->      Any:
            snake_case_					       =					{
                'pad': {'id': 0, 'token': pad_token},
                'eos': {'id': 1, 'token': eos_token},
                'unk': {'id': 2, 'token': unk_token},
            }

            snake_case_					       =					[None] * len(self.special_tokens)
            for token_dict in self.special_tokens.values():
                 snake_case_					       =					token_dict['token']

            snake_case_					       =					Tokenizer(Unigram())

            snake_case_					       =					normalizers.Sequence(
                [
                    normalizers.Nmt(),
                    normalizers.NFKC(),
                    normalizers.Replace(Regex(' {2,}'),							' '),
                    normalizers.Lowercase(),
                ])
            snake_case_					       =					pre_tokenizers.Sequence(
                [
                    pre_tokenizers.Metaspace(replacement=lowerCAmelCase__,							add_prefix_space=lowerCAmelCase__),
                    pre_tokenizers.Digits(individual_digits=lowerCAmelCase__),
                    pre_tokenizers.Punctuation(),
                ])
            snake_case_					       =					decoders.Metaspace(replacement=lowerCAmelCase__,							add_prefix_space=lowerCAmelCase__)

            snake_case_					       =					TemplateProcessing(
                single=f'$A {self.special_tokens["eos"]["token"]}',							special_tokens=[(self.special_tokens['eos']['token'], self.special_tokens['eos']['id'])],							)

            snake_case_					       =					{
                'model': 'SentencePieceUnigram',
                'replacement': replacement,
                'add_prefix_space': add_prefix_space,
            }

            super().__init__(lowerCAmelCase__,							lowerCAmelCase__)







       def 		a_						( self,							lowerCAmelCase__,							lowerCAmelCase__ = 8000,							lowerCAmelCase__ = True,							)      ->      List[Any]:
            snake_case_					       =					trainers.UnigramTrainer(
                vocab_size=lowerCAmelCase__,							special_tokens=self.special_tokens_list,							show_progress=lowerCAmelCase__,							)

            if isinstance(lowerCAmelCase__,							lowerCAmelCase__):
                 snake_case_					       =					[files]
            self._tokenizer.train(lowerCAmelCase__,							trainer=lowerCAmelCase__)

            self.add_unk_id()







       def 		a_						( self,							lowerCAmelCase__,							lowerCAmelCase__ = 8000,							lowerCAmelCase__ = True,							)      ->      Union[str, Any]:
            snake_case_					       =					trainers.UnigramTrainer(
                vocab_size=lowerCAmelCase__,							special_tokens=self.special_tokens_list,							show_progress=lowerCAmelCase__,							)

            self._tokenizer.train_from_iterator(lowerCAmelCase__,							trainer=lowerCAmelCase__)

            self.add_unk_id()







       def 		a_						( self)      ->      int:
            snake_case_					       =					json.loads(self._tokenizer.to_str())

            snake_case_					       =					self.special_tokens['unk']['id']

            snake_case_					       =					Tokenizer.from_str(json.dumps(lowerCAmelCase__))





import os
import unittest

from transformers.models.transfo_xl.tokenization_transfo_xl import VOCAB_FILES_NAMES, TransfoXLTokenizer

from ...test_tokenization_common import TokenizerTesterMixin
class        _lowercase      (			A__						,			unittest.TestCase       ):






				'''simple docstring'''



				SCREAMING_SNAKE_CASE__				:			Optional[int]						=		TransfoXLTokenizer
				SCREAMING_SNAKE_CASE__				:			int						=		False
				SCREAMING_SNAKE_CASE__				:			Optional[Any]						=		False


				def 		__magic_name__(       self			:str	)		->			Dict:
										super().setUp()

										__SCREAMING_SNAKE_CASE						:     List[str]					=		[
										    '''<unk>''',
										    '''[CLS]''',
										    '''[SEP]''',
										    '''want''',
										    '''unwanted''',
										    '''wa''',
										    '''un''',
										    '''running''',
										    ''',''',
										    '''low''',
										    '''l''',
										]
										__SCREAMING_SNAKE_CASE						:     Any					=		os.path.join(self.tmpdirname			,			VOCAB_FILES_NAMES['''vocab_file''']	)
										with open(self.vocab_file			,			'''w'''			,			encoding='''utf-8'''	) as vocab_writer:
																vocab_writer.write(''''''.join([x + '''\n''' for x in vocab_tokens]	)	)


				def 		__magic_name__(       self			:Any			,			**lowerCAmelCase__			:int	)		->			str:
										__SCREAMING_SNAKE_CASE						:     Optional[Any]					=		True
										return TransfoXLTokenizer.from_pretrained(self.tmpdirname			,			**lowerCAmelCase__	)


				def 		__magic_name__(       self			:Union[str, Any]			,			lowerCAmelCase__			:List[Any]	)		->			Tuple:
										__SCREAMING_SNAKE_CASE						:     Dict					=		'''<unk> UNwanted , running'''
										__SCREAMING_SNAKE_CASE						:     List[str]					=		'''<unk> unwanted, running'''
										return input_text, output_text


				def 		__magic_name__(       self			:Any	)		->			Union[str, Any]:
										__SCREAMING_SNAKE_CASE						:     int					=		TransfoXLTokenizer(vocab_file=self.vocab_file			,			lower_case=lowerCAmelCase__	)

										__SCREAMING_SNAKE_CASE						:     int					=		tokenizer.tokenize('''<unk> UNwanted , running'''	)
										self.assertListEqual(lowerCAmelCase__			,			['''<unk>''', '''unwanted''', ''',''', '''running''']	)

										self.assertListEqual(tokenizer.convert_tokens_to_ids(lowerCAmelCase__	)			,			[0, 4, 8, 7]	)


				def 		__magic_name__(       self			:Tuple	)		->			Union[str, Any]:
										__SCREAMING_SNAKE_CASE						:     Optional[int]					=		TransfoXLTokenizer(lower_case=lowerCAmelCase__	)

										self.assertListEqual(
										    tokenizer.tokenize(''' \tHeLLo ! how  \n Are yoU ?  '''	)			,			['''hello''', '''!''', '''how''', '''are''', '''you''', '''?''']	)


				def 		__magic_name__(       self			:Tuple	)		->			List[Any]:
										__SCREAMING_SNAKE_CASE						:     Union[str, Any]					=		TransfoXLTokenizer(lower_case=lowerCAmelCase__	)

										self.assertListEqual(
										    tokenizer.tokenize(''' \tHeLLo ! how  \n Are yoU ?  '''	)			,			['''HeLLo''', '''!''', '''how''', '''Are''', '''yoU''', '''?''']	)


				def 		__magic_name__(       self			:Dict	)		->			List[Any]:
										__SCREAMING_SNAKE_CASE						:     List[str]					=		TransfoXLTokenizer(lower_case=lowerCAmelCase__	)
										__SCREAMING_SNAKE_CASE						:     Optional[Any]					=		'''Hello (bracket) and side-scrolled [and] Henry\'s $5,000 with 3.34 m. What\'s up!?'''
										__SCREAMING_SNAKE_CASE						:     Optional[int]					=		[
										    '''Hello''',
										    '''(''',
										    '''bracket''',
										    ''')''',
										    '''and''',
										    '''side''',
										    '''@-@''',
										    '''scrolled''',
										    '''[''',
										    '''and''',
										    ''']''',
										    '''Henry''',
										    '''\'s''',
										    '''$''',
										    '''5''',
										    '''@,@''',
										    '''000''',
										    '''with''',
										    '''3''',
										    '''@.@''',
										    '''34''',
										    '''m''',
										    '''.''',
										    '''What''',
										    '''\'s''',
										    '''up''',
										    '''!''',
										    '''?''',
										]

										self.assertListEqual(tokenizer.tokenize(lowerCAmelCase__	)			,			lowerCAmelCase__	)

										self.assertEqual(tokenizer.convert_tokens_to_string(lowerCAmelCase__	)			,			lowerCAmelCase__	)



				def 		__magic_name__(       self			:str	)		->			int:
										__SCREAMING_SNAKE_CASE						:     Union[str, Any]					=		self.get_tokenizer()
										__SCREAMING_SNAKE_CASE						:     Any					=		len(lowerCAmelCase__	)

										tokenizer.add_tokens(['''new1''', '''new2''']	)
										tokenizer.move_added_token('''new1'''			,			1	)

										# Check that moved token is not copied (duplicate)
										self.assertEqual(len(lowerCAmelCase__	)			,			original_len + 2	)
										# Check that token is moved to specified id
										self.assertEqual(tokenizer.encode('''new1'''	)			,			[1]	)
										self.assertEqual(tokenizer.decode([1]	)			,			'''new1'''	)
