code: 
  
  
  '''simple docstring'''
  
  
  
  
  
  import json
  from typing import List, Optional, Tuple
  
  from tokenizers import normalizers
  
  from ...tokenization_utils import AddedToken
  from ...tokenization_utils_fast import PreTrainedTokenizerFast
  from ...utils import logging
  from .tokenization_mpnet import MPNetTokenizer
  
  
  lowerCAmelCase					 =	logging.get_logger(__name__)
  
  lowerCAmelCase					 =	{'vocab_file': 'vocab.txt', 'tokenizer_file': 'tokenizer.json'}
  
  lowerCAmelCase					 =	{
      'vocab_file': {
          'microsoft/mpnet-base': 'https://huggingface.co/microsoft/mpnet-base/resolve/main/vocab.txt',
      },
      'tokenizer_file': {
          'microsoft/mpnet-base': 'https://huggingface.co/microsoft/mpnet-base/resolve/main/tokenizer.json',
      },
  }
  
  lowerCAmelCase					 =	{
      'microsoft/mpnet-base': 5_1_2,
  }
  
  lowerCAmelCase					 =	{
      'microsoft/mpnet-base': {'do_lower_case': True},
  }
  
  
  
  
  
  class    A					(     UpperCAmelCase_				):
  							UpperCamelCase_     :							Union[str, Any] =VOCAB_FILES_NAMES
  							UpperCamelCase_     :							Union[str, Any] =PRETRAINED_VOCAB_FILES_MAP
  							UpperCamelCase_     :							Dict =PRETRAINED_INIT_CONFIGURATION
  							UpperCamelCase_     :							List[str] =PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
  							UpperCamelCase_     :							Tuple =MPNetTokenizer
  							UpperCamelCase_     :							List[Any] =['''input_ids''', '''attention_mask''']
  
  
  							def __init__(self   ,       lowerCAmelCase=None   ,       lowerCAmelCase=None   ,       lowerCAmelCase=True   ,       lowerCAmelCase="<s>"   ,       lowerCAmelCase="</s>"   ,       lowerCAmelCase="</s>"   ,       lowerCAmelCase="<s>"   ,       lowerCAmelCase="[UNK]"   ,       lowerCAmelCase="<pad>"   ,       lowerCAmelCase="<mask>"   ,       lowerCAmelCase=True   ,       lowerCAmelCase=None   ,       **lowerCAmelCase   ,       ):
  									super().__init__(
  									    __UpperCamelCase   ,       tokenizer_file=__UpperCamelCase   ,       do_lower_case=__UpperCamelCase   ,       bos_token=__UpperCamelCase   ,       eos_token=__UpperCamelCase   ,       sep_token=__UpperCamelCase   ,       cls_token=__UpperCamelCase   ,       unk_token=__UpperCamelCase   ,       pad_token=__UpperCamelCase   ,       mask_token=__UpperCamelCase   ,       tokenize_chinese_chars=__UpperCamelCase   ,       strip_accents=__UpperCamelCase   ,       **__UpperCamelCase   ,       )
  
  									__lowercase=    json.loads(self.backend_tokenizer.normalizer.__getstate__()      )
  									if (
  									    pre_tok_state.get('lowercase'   ,       __UpperCamelCase      ) != do_lower_case
  									    or pre_tok_state.get('strip_accents'   ,       __UpperCamelCase      ) != strip_accents
  									):
  											__lowercase=    getattr(__UpperCamelCase   ,       pre_tok_state.pop('type'      )      )
  											__lowercase=    do_lower_case
  											__lowercase=    strip_accents
  											__lowercase=    pre_tok_class(**__UpperCamelCase      )
  
  									__lowercase=    do_lower_case
  
  
  							@property
  							def     _A (self      ):
  									if self._mask_token is None:
  											if self.verbose:
  													logger.error('Using mask_token, but it is not set yet.'      )
  											return None
  									return str(self._mask_token      )
  
  
  							@mask_token.setter
  							def     _A (self   ,       lowerCAmelCase      ):
  									__lowercase=    AddedToken(__UpperCamelCase   ,       lstrip=__UpperCamelCase   ,       rstrip=__UpperCamelCase      ) if isinstance(__UpperCamelCase   ,       __UpperCamelCase      ) else value
  									__lowercase=    value
  
  
  							def     _A (self   ,       lowerCAmelCase   ,       lowerCAmelCase=None      ):
  									__lowercase=    [self.bos_token_id] + token_ids_a + [self.eos_token_id]
  									if token_ids_a is None:
  											return output
  
  									return output + [self.eos_token_id] + token_ids_a + [self.eos_token_id]
  
  
  							def     _A (self   ,       lowerCAmelCase   ,       lowerCAmelCase = None      ):
  									__lowercase=    [self.sep_token_id]
  									__lowercase=    [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]
  
  
  
  
  
  
  
  							def     _A (self   ,       lowerCAmelCase   ,       lowerCAmelCase = None      ):
  									__lowercase=    self._tokenizer.model.save(__UpperCamelCase   ,       name=__UpperCamelCase      )
  									return tuple(__UpperCamelCase      )
  
  
  
  
  
  
  
style_context: 
  
  
  import os
  import unittest
  
  from transformers import ElectraTokenizerFast
  from transformers.models.electra.tokenization_electra import (
      VOCAB_FILES_NAMES,
      BasicTokenizer,
      ElectraTokenizer,
      WordpieceTokenizer,
      _is_control,
      _is_punctuation,
      _is_whitespace,
  )
  from transformers.testing_utils import require_tokenizers, slow
  
  from ...test_tokenization_common import TokenizerTesterMixin, filter_non_english
  
  
  
  
  
  @require_tokenizers
  class    A					(     A_      ,       unittest.TestCase				):
  							UpperCamelCase_     :							Tuple =ElectraTokenizer
  							UpperCamelCase_     :							Tuple =ElectraTokenizerFast
  							UpperCamelCase_     :							Any =True
  							UpperCamelCase_     :							List[str] =True
  							UpperCamelCase_     :							Any =filter_non_english
  
  
  							def     _A (self      ):
  									super().setUp()
  
  									__lowercase=    [
  									    '[UNK]',
  									    '[CLS]',
  									    '[SEP]',
  									    '[PAD]',
  									    '[MASK]',
  									    'want',
  									    '##want',
  									    '##ed',
  									    'wa',
  									    'un',
  									    'runn',
  									    '##ing',
  									    ',',
  									    'low',
  									    'lowest',
  									]
  									__lowercase=    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     _A (self   ,       lowerCAmelCase      ):
  									__lowercase=    'UNwant\u00E9d,running'
  									__lowercase=    'unwanted, running'
  									return input_text, output_text
  
  
  							def     _A (self      ):
  									__lowercase=    self.tokenizer_class(self.vocab_file      )
  
  									__lowercase=    tokenizer.tokenize('UNwant\u00E9d,running'      )
  									self.assertListEqual(lowerCAmelCase   ,       ['un', '##want', '##ed', ',', 'runn', '##ing']      )
  									self.assertListEqual(tokenizer.convert_tokens_to_ids(lowerCAmelCase      )   ,       [9, 6, 7, 1_2, 1_0, 1_1]      )
  
  
  							def     _A (self      ):
  									if not self.test_rust_tokenizer:
  											return
  
  									__lowercase=    self.get_tokenizer()
  									__lowercase=    self.get_rust_tokenizer()
  
  									__lowercase=    'UNwant\u00E9d,running'
  
  									__lowercase=    tokenizer.tokenize(lowerCAmelCase      )
  									__lowercase=    rust_tokenizer.tokenize(lowerCAmelCase      )
  									self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  
  									__lowercase=    tokenizer.encode(lowerCAmelCase   ,       add_special_tokens=lowerCAmelCase      )
  									__lowercase=    rust_tokenizer.encode(lowerCAmelCase   ,       add_special_tokens=lowerCAmelCase      )
  									self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  
  									__lowercase=    self.get_rust_tokenizer()
  									__lowercase=    tokenizer.encode(lowerCAmelCase      )
  									__lowercase=    rust_tokenizer.encode(lowerCAmelCase      )
  									self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  
  									# With lower casing
  									__lowercase=    self.get_tokenizer(do_lower_case=lowerCAmelCase      )
  									__lowercase=    self.get_rust_tokenizer(do_lower_case=lowerCAmelCase      )
  
  									__lowercase=    'UNwant\u00E9d,running'
  
  									__lowercase=    tokenizer.tokenize(lowerCAmelCase      )
  									__lowercase=    rust_tokenizer.tokenize(lowerCAmelCase      )
  									self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  
  									__lowercase=    tokenizer.encode(lowerCAmelCase   ,       add_special_tokens=lowerCAmelCase      )
  									__lowercase=    rust_tokenizer.encode(lowerCAmelCase   ,       add_special_tokens=lowerCAmelCase      )
  									self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  
  									__lowercase=    self.get_rust_tokenizer()
  									__lowercase=    tokenizer.encode(lowerCAmelCase      )
  									__lowercase=    rust_tokenizer.encode(lowerCAmelCase      )
  									self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  
  
  							def     _A (self      ):
  									__lowercase=    BasicTokenizer()
  
  									self.assertListEqual(tokenizer.tokenize('ah\u535A\u63A8zz'      )   ,       ['ah', '\u535A', '\u63A8', 'zz']      )
  
  
  							def     _A (self      ):
  									__lowercase=    BasicTokenizer(do_lower_case=lowerCAmelCase      )
  
  									self.assertListEqual(
  									    tokenizer.tokenize(' \tHeLLo!how  \n Are yoU?  '      )   ,       ['hello', '!', 'how', 'are', 'you', '?']      )
  									self.assertListEqual(tokenizer.tokenize('H\u00E9llo'      )   ,       ['hello']      )
  
  
  							def     _A (self      ):
  									__lowercase=    BasicTokenizer(do_lower_case=lowerCAmelCase   ,       strip_accents=lowerCAmelCase      )
  
  									self.assertListEqual(
  									    tokenizer.tokenize(' \tHäLLo!how  \n Are yoU?  '      )   ,       ['hällo', '!', 'how', 'are', 'you', '?']      )
  									self.assertListEqual(tokenizer.tokenize('H\u00E9llo'      )   ,       ['h\u00E9llo']      )
  
  
  							def     _A (self      ):
  									__lowercase=    BasicTokenizer(do_lower_case=lowerCAmelCase   ,       strip_accents=lowerCAmelCase      )
  
  									self.assertListEqual(
  									    tokenizer.tokenize(' \tHäLLo!how  \n Are yoU?  '      )   ,       ['hallo', '!', 'how', 'are', 'you', '?']      )
  									self.assertListEqual(tokenizer.tokenize('H\u00E9llo'      )   ,       ['hello']      )
  
  
  							def     _A (self      ):
  									__lowercase=    BasicTokenizer(do_lower_case=lowerCAmelCase      )
  
  									self.assertListEqual(
  									    tokenizer.tokenize(' \tHäLLo!how  \n Are yoU?  '      )   ,       ['hallo', '!', 'how', 'are', 'you', '?']      )
  									self.assertListEqual(tokenizer.tokenize('H\u00E9llo'      )   ,       ['hello']      )
  
  
  							def     _A (self      ):
  									__lowercase=    BasicTokenizer(do_lower_case=lowerCAmelCase      )
  
  									self.assertListEqual(
  									    tokenizer.tokenize(' \tHeLLo!how  \n Are yoU?  '      )   ,       ['HeLLo', '!', 'how', 'Are', 'yoU', '?']      )
  
  
  							def     _A (self      ):
  									__lowercase=    BasicTokenizer(do_lower_case=lowerCAmelCase   ,       strip_accents=lowerCAmelCase      )
  
  									self.assertListEqual(
  									    tokenizer.tokenize(' \tHäLLo!how  \n Are yoU?  '      )   ,       ['HäLLo', '!', 'how', 'Are', 'yoU', '?']      )
  
  
  							def     _A (self      ):
  									__lowercase=    BasicTokenizer(do_lower_case=lowerCAmelCase   ,       strip_accents=lowerCAmelCase      )
  
  									self.assertListEqual(
  									    tokenizer.tokenize(' \tHäLLo!how  \n Are yoU?  '      )   ,       ['HaLLo', '!', 'how', 'Are', 'yoU', '?']      )
  
  
  							def     _A (self      ):
  									__lowercase=    BasicTokenizer(do_lower_case=lowerCAmelCase   ,       never_split=['[UNK]']      )
  
  									self.assertListEqual(
  									    tokenizer.tokenize(' \tHeLLo!how  \n Are yoU? [UNK]'      )   ,       ['HeLLo', '!', 'how', 'Are', 'yoU', '?', '[UNK]']      )
  
  
  							def     _A (self      ):
  									__lowercase=    ['[UNK]', '[CLS]', '[SEP]', 'want', '##want', '##ed', 'wa', 'un', 'runn', '##ing']
  
  									__lowercase=    {}
  									for i, token in enumerate(lowerCAmelCase      ):
  											__lowercase=    i
  									__lowercase=    WordpieceTokenizer(vocab=lowerCAmelCase   ,       unk_token='[UNK]'      )
  
  									self.assertListEqual(tokenizer.tokenize(''      )   ,       []      )
  
  									self.assertListEqual(tokenizer.tokenize('unwanted running'      )   ,       ['un', '##want', '##ed', 'runn', '##ing']      )
  
  									self.assertListEqual(tokenizer.tokenize('unwantedX running'      )   ,       ['[UNK]', 'runn', '##ing']      )
  
  
  							def     _A (self      ):
  									self.assertTrue(_is_whitespace(' '      )      )
  									self.assertTrue(_is_whitespace('\t'      )      )
  									self.assertTrue(_is_whitespace('\r'      )      )
  									self.assertTrue(_is_whitespace('\n'      )      )
  									self.assertTrue(_is_whitespace('\u00A0'      )      )
  
  									self.assertFalse(_is_whitespace('A'      )      )
  									self.assertFalse(_is_whitespace('-'      )      )
  
  
  							def     _A (self      ):
  									self.assertTrue(_is_control('\u0005'      )      )
  
  									self.assertFalse(_is_control('A'      )      )
  									self.assertFalse(_is_control(' '      )      )
  									self.assertFalse(_is_control('\t'      )      )
  									self.assertFalse(_is_control('\r'      )      )
  
  
  							def     _A (self      ):
  									self.assertTrue(_is_punctuation('-'      )      )
  									self.assertTrue(_is_punctuation('$'      )      )
  									self.assertTrue(_is_punctuation('`'      )      )
  									self.assertTrue(_is_punctuation('.'      )      )
  
  									self.assertFalse(_is_punctuation('A'      )      )
  									self.assertFalse(_is_punctuation(' '      )      )
  
  
  							def     _A (self      ):
  									__lowercase=    self.get_tokenizer()
  									__lowercase=    self.get_rust_tokenizer()
  
  									# Example taken from the issue https://github.com/huggingface/tokenizers/issues/340
  									self.assertListEqual([tokenizer.tokenize(lowerCAmelCase      ) for t in ['Test', '\xad', 'test']]   ,       [['[UNK]'], [], ['[UNK]']]      )
  
  									self.assertListEqual(
  									    [rust_tokenizer.tokenize(lowerCAmelCase      ) for t in ['Test', '\xad', 'test']]   ,       [['[UNK]'], [], ['[UNK]']]      )
  
  
  							@slow
  							def     _A (self      ):
  									__lowercase=    self.tokenizer_class.from_pretrained('google/electra-base-discriminator'      )
  
  									__lowercase=    tokenizer.encode('sequence builders'   ,       add_special_tokens=lowerCAmelCase      )
  									__lowercase=    tokenizer.encode('multi-sequence build'   ,       add_special_tokens=lowerCAmelCase      )
  
  									__lowercase=    tokenizer.build_inputs_with_special_tokens(lowerCAmelCase      )
  									__lowercase=    tokenizer.build_inputs_with_special_tokens(lowerCAmelCase   ,       lowerCAmelCase      )
  
  									assert encoded_sentence == [1_0_1] + text + [1_0_2]
  									assert encoded_pair == [1_0_1] + text + [1_0_2] + text_a + [1_0_2]
  
  
  							def     _A (self      ):
  									for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
  											with self.subTest(f'{tokenizer.__class__.__name__} ({pretrained_name})'      ):
  													__lowercase=    self.rust_tokenizer_class.from_pretrained(lowerCAmelCase   ,       **lowerCAmelCase      )
  
  													__lowercase=    f'A, naïve {tokenizer_r.mask_token} AllenNLP sentence.'
  													__lowercase=    tokenizer_r.encode_plus(
  													    lowerCAmelCase   ,       return_attention_mask=lowerCAmelCase   ,       return_token_type_ids=lowerCAmelCase   ,       return_offsets_mapping=lowerCAmelCase   ,       add_special_tokens=lowerCAmelCase   ,       )
  
  													__lowercase=    tokenizer_r.do_lower_case if hasattr(lowerCAmelCase   ,       'do_lower_case'      ) else False
  													__lowercase=    (
  													    [
  													        ((0, 0), tokenizer_r.cls_token),
  													        ((0, 1), 'A'),
  													        ((1, 2), ','),
  													        ((3, 5), 'na'),
  													        ((5, 6), '##ï'),
  													        ((6, 8), '##ve'),
  													        ((9, 1_5), tokenizer_r.mask_token),
  													        ((1_6, 2_1), 'Allen'),
  													        ((2_1, 2_3), '##NL'),
  													        ((2_3, 2_4), '##P'),
  													        ((2_5, 3_3), 'sentence'),
  													        ((3_3, 3_4), '.'),
  													        ((0, 0), tokenizer_r.sep_token),
  													    ]
  													    if not do_lower_case
  													    else [
  													        ((0, 0), tokenizer_r.cls_token),
  													        ((0, 1), 'a'),
  													        ((1, 2), ','),
  													        ((3, 8), 'naive'),
  													        ((9, 1_5), tokenizer_r.mask_token),
  													        ((1_6, 2_1), 'allen'),
  													        ((2_1, 2_3), '##nl'),
  													        ((2_3, 2_4), '##p'),
  													        ((2_5, 3_3), 'sentence'),
  													        ((3_3, 3_4), '.'),
  													        ((0, 0), tokenizer_r.sep_token),
  													    ]
  													)
  
  													self.assertEqual(
  													    [e[1] for e in expected_results]   ,       tokenizer_r.convert_ids_to_tokens(tokens['input_ids']      )      )
  													self.assertEqual([e[0] for e in expected_results]   ,       tokens['offset_mapping']      )
  
  
  
  
  
  
  
  							def     _A (self      ):
  									__lowercase=    ['的', '人', '有']
  									__lowercase=    ''.join(lowerCAmelCase      )
  									for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
  											with self.subTest(f'{tokenizer.__class__.__name__} ({pretrained_name})'      ):
  													__lowercase=    True
  													__lowercase=    self.tokenizer_class.from_pretrained(lowerCAmelCase   ,       **lowerCAmelCase      )
  													__lowercase=    self.rust_tokenizer_class.from_pretrained(lowerCAmelCase   ,       **lowerCAmelCase      )
  
  													__lowercase=    tokenizer_p.encode(lowerCAmelCase   ,       add_special_tokens=lowerCAmelCase      )
  													__lowercase=    tokenizer_r.encode(lowerCAmelCase   ,       add_special_tokens=lowerCAmelCase      )
  
  													__lowercase=    tokenizer_r.convert_ids_to_tokens(lowerCAmelCase      )
  													__lowercase=    tokenizer_p.convert_ids_to_tokens(lowerCAmelCase      )
  
  													# it is expected that each Chinese character is not preceded by "##"
  													self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  													self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  
  													__lowercase=    False
  													__lowercase=    self.rust_tokenizer_class.from_pretrained(lowerCAmelCase   ,       **lowerCAmelCase      )
  													__lowercase=    self.tokenizer_class.from_pretrained(lowerCAmelCase   ,       **lowerCAmelCase      )
  
  													__lowercase=    tokenizer_r.encode(lowerCAmelCase   ,       add_special_tokens=lowerCAmelCase      )
  													__lowercase=    tokenizer_p.encode(lowerCAmelCase   ,       add_special_tokens=lowerCAmelCase      )
  
  													__lowercase=    tokenizer_r.convert_ids_to_tokens(lowerCAmelCase      )
  													__lowercase=    tokenizer_p.convert_ids_to_tokens(lowerCAmelCase      )
  
  													# it is expected that only the first Chinese character is not preceded by "##".
  													__lowercase=    [
  													    f'##{token}' if idx != 0 else token for idx, token in enumerate(lowerCAmelCase      )
  													]
  													self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  													self.assertListEqual(lowerCAmelCase   ,       lowerCAmelCase      )
  
  
  
  
  
  
  