
"""simple docstring"""

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

import regex as re

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


SCREAMING_SNAKE_CASE_    					=						logging.get_logger(__name__)


SCREAMING_SNAKE_CASE_    					=						{'''vocab_file''': '''vocab.json''', '''merges_file''': '''merges.txt'''}

# See all BART models at https://huggingface.co/models?filter=bart
SCREAMING_SNAKE_CASE_    					=						{
    '''vocab_file''': {
        '''facebook/bart-base''': '''https://huggingface.co/facebook/bart-base/resolve/main/vocab.json''',
        '''facebook/bart-large''': '''https://huggingface.co/facebook/bart-large/resolve/main/vocab.json''',
        '''facebook/bart-large-mnli''': '''https://huggingface.co/facebook/bart-large-mnli/resolve/main/vocab.json''',
        '''facebook/bart-large-cnn''': '''https://huggingface.co/facebook/bart-large-cnn/resolve/main/vocab.json''',
        '''facebook/bart-large-xsum''': '''https://huggingface.co/facebook/bart-large-xsum/resolve/main/vocab.json''',
        '''yjernite/bart_eli5''': '''https://huggingface.co/yjernite/bart_eli5/resolve/main/vocab.json''',
    },
    '''merges_file''': {
        '''facebook/bart-base''': '''https://huggingface.co/facebook/bart-base/resolve/main/merges.txt''',
        '''facebook/bart-large''': '''https://huggingface.co/facebook/bart-large/resolve/main/merges.txt''',
        '''facebook/bart-large-mnli''': '''https://huggingface.co/facebook/bart-large-mnli/resolve/main/merges.txt''',
        '''facebook/bart-large-cnn''': '''https://huggingface.co/facebook/bart-large-cnn/resolve/main/merges.txt''',
        '''facebook/bart-large-xsum''': '''https://huggingface.co/facebook/bart-large-xsum/resolve/main/merges.txt''',
        '''yjernite/bart_eli5''': '''https://huggingface.co/yjernite/bart_eli5/resolve/main/merges.txt''',
    },
}

SCREAMING_SNAKE_CASE_    					=						{
    '''facebook/bart-base''': 1024,
    '''facebook/bart-large''': 1024,
    '''facebook/bart-large-mnli''': 1024,
    '''facebook/bart-large-cnn''': 1024,
    '''facebook/bart-large-xsum''': 1024,
    '''yjernite/bart_eli5''': 1024,
}




@lru_cache()
def     lowercase__						(					) ->      List[Any]:






    """simple docstring"""




    UpperCAmelCase									=					(
        list(range(ord('!' ) ,				ord('~' ) + 1 ) ) + list(range(ord('¡' ) ,				ord('¬' ) + 1 ) ) + list(range(ord('®' ) ,				ord('ÿ' ) + 1 ) )
    )
    UpperCAmelCase									=					bs[:]
    UpperCAmelCase									=					0
    for b in range(2**8 ):
        if b not in bs:
            bs.append(lowerCAmelCase )
            cs.append(2**8 + n )
            n += 1
    UpperCAmelCase									=					[chr(lowerCAmelCase ) for n in cs]
    return dict(zip(lowerCAmelCase ,				lowerCAmelCase ) )




def     lowercase__						(					lowerCAmelCase				:					Optional[Any] ) ->      Tuple:






    """simple docstring"""




    UpperCAmelCase									=					set()
    UpperCAmelCase									=					word[0]
    for char in word[1:]:
        pairs.add((prev_char, char) )
        UpperCAmelCase									=					char
    return pairs







class      _UpperCAmelCase							(		SCREAMING_SNAKE_CASE_							):
      __SCREAMING_SNAKE_CASE   :							Optional[int]							      =	VOCAB_FILES_NAMES
      __SCREAMING_SNAKE_CASE   :							Optional[Any]							      =	PRETRAINED_VOCAB_FILES_MAP
      __SCREAMING_SNAKE_CASE   :							Dict							      =	PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
      __SCREAMING_SNAKE_CASE   :							List[str]							      =	["input_ids", "attention_mask"]




      def __init__(							self   ,       lowercase_   ,       lowercase_   ,       lowercase_="replace"   ,       lowercase_="<s>"   ,       lowercase_="</s>"   ,       lowercase_="</s>"   ,       lowercase_="<s>"   ,       lowercase_="<unk>"   ,       lowercase_="<pad>"   ,       lowercase_="<mask>"   ,       lowercase_=False   ,       **lowercase_   ,       )						->					str:
          UpperCAmelCase									=					AddedToken(lowercase_   ,       lstrip=lowercase_   ,       rstrip=lowercase_							) if isinstance(lowercase_   ,       lowercase_							) else bos_token
          UpperCAmelCase									=					AddedToken(lowercase_   ,       lstrip=lowercase_   ,       rstrip=lowercase_							) if isinstance(lowercase_   ,       lowercase_							) else eos_token
          UpperCAmelCase									=					AddedToken(lowercase_   ,       lstrip=lowercase_   ,       rstrip=lowercase_							) if isinstance(lowercase_   ,       lowercase_							) else sep_token
          UpperCAmelCase									=					AddedToken(lowercase_   ,       lstrip=lowercase_   ,       rstrip=lowercase_							) if isinstance(lowercase_   ,       lowercase_							) else cls_token
          UpperCAmelCase									=					AddedToken(lowercase_   ,       lstrip=lowercase_   ,       rstrip=lowercase_							) if isinstance(lowercase_   ,       lowercase_							) else unk_token
          UpperCAmelCase									=					AddedToken(lowercase_   ,       lstrip=lowercase_   ,       rstrip=lowercase_							) if isinstance(lowercase_   ,       lowercase_							) else pad_token

          # Mask token behave like a normal word, i.e. include the space before it
          UpperCAmelCase									=					AddedToken(lowercase_   ,       lstrip=lowercase_   ,       rstrip=lowercase_							) if isinstance(lowercase_   ,       lowercase_							) else mask_token

          super().__init__(
              errors=lowercase_   ,       bos_token=lowercase_   ,       eos_token=lowercase_   ,       unk_token=lowercase_   ,       sep_token=lowercase_   ,       cls_token=lowercase_   ,       pad_token=lowercase_   ,       mask_token=lowercase_   ,       add_prefix_space=lowercase_   ,       **lowercase_   ,       )

          with open(lowercase_   ,       encoding='utf-8'							) as vocab_handle:
              UpperCAmelCase									=					json.load(lowercase_							)
          UpperCAmelCase									=					{v: k for k, v in self.encoder.items()}
          UpperCAmelCase									=					errors  # how to handle errors in decoding
          UpperCAmelCase									=					bytes_to_unicode()
          UpperCAmelCase									=					{v: k for k, v in self.byte_encoder.items()}
          with open(lowercase_   ,       encoding='utf-8'							) as merges_handle:
              UpperCAmelCase									=					merges_handle.read().split('\n'							)[1:-1]
          UpperCAmelCase									=					[tuple(merge.split()							) for merge in bpe_merges]
          UpperCAmelCase									=					dict(zip(lowercase_   ,       range(len(lowercase_							)							)							)							)
          UpperCAmelCase									=					{}
          UpperCAmelCase									=					add_prefix_space

          # Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
          UpperCAmelCase									=					re.compile(R'\'s|\'t|\'re|\'ve|\'m|\'ll|\'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+'							)




      @property
      def     a_      (							self							)						->					Optional[int]:
          return len(self.encoder							)




      def     a_      (							self							)						->					Optional[int]:
          return dict(self.encoder   ,       **self.added_tokens_encoder							)




      def     a_      (							self   ,       lowercase_							)						->					Optional[Any]:
          if token in self.cache:
              return self.cache[token]
          UpperCAmelCase									=					tuple(lowercase_							)
          UpperCAmelCase									=					get_pairs(lowercase_							)

          if not pairs:
              return token

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

                  if word[i] == first and i < len(lowercase_							) - 1 and word[i + 1] == second:
                      new_word.append(first + second							)
                      i += 2
                  else:
                      new_word.append(word[i]							)
                      i += 1
              UpperCAmelCase									=					tuple(lowercase_							)
              UpperCAmelCase									=					new_word
              if len(lowercase_							) == 1:
                  break
              else:
                  UpperCAmelCase									=					get_pairs(lowercase_							)
          UpperCAmelCase									=					' '.join(lowercase_							)
          UpperCAmelCase									=					word
          return word




      def     a_      (							self   ,       lowercase_							)						->					List[Any]:
          UpperCAmelCase									=					[]
          for token in re.findall(self.pat   ,       lowercase_							):
              UpperCAmelCase									=					''.join(
                  self.byte_encoder[b] for b in token.encode('utf-8'							)							)  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
              bpe_tokens.extend(bpe_token for bpe_token in self.bpe(lowercase_							).split(' '							)							)
          return bpe_tokens




      def     a_      (							self   ,       lowercase_							)						->					Optional[Any]:
          return self.encoder.get(lowercase_   ,       self.encoder.get(self.unk_token							)							)




      def     a_      (							self   ,       lowercase_							)						->					str:
          return self.decoder.get(lowercase_							)




      def     a_      (							self   ,       lowercase_							)						->					Union[str, Any]:
          UpperCAmelCase									=					''.join(lowercase_							)
          UpperCAmelCase									=					bytearray([self.byte_decoder[c] for c in text]							).decode('utf-8'   ,       errors=self.errors							)
          return text




      def     a_      (							self   ,       lowercase_   ,       lowercase_ = None							)						->					Tuple[str]:
          if not os.path.isdir(lowercase_							):
              logger.error(F"Vocabulary path ({save_directory}) should be a directory"							)
              return
          UpperCAmelCase									=					os.path.join(
              lowercase_   ,       (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']							)
          UpperCAmelCase									=					os.path.join(
              lowercase_   ,       (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['merges_file']							)

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

          UpperCAmelCase									=					0
          with open(lowercase_   ,       'w'   ,       encoding='utf-8'							) as writer:
              writer.write('#version: 0.2\n'							)
              for bpe_tokens, token_index in sorted(self.bpe_ranks.items()   ,       key=lambda lowercase_							: 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!'							)
                      UpperCAmelCase									=					token_index
                  writer.write(' '.join(lowercase_							) + '\n'							)
                  index += 1

          return vocab_file, merge_file




      def     a_      (							self   ,       lowercase_   ,       lowercase_ = None							)						->					List[int]:
          if token_ids_a is None:
              return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
          UpperCAmelCase									=					[self.cls_token_id]
          UpperCAmelCase									=					[self.sep_token_id]
          return cls + token_ids_a + sep + sep + token_ids_a + sep




      def     a_      (							self   ,       lowercase_   ,       lowercase_ = None   ,       lowercase_ = False							)						->					List[int]:
          if already_has_special_tokens:
              return super().get_special_tokens_mask(
                  token_ids_a=lowercase_   ,       token_ids_a=lowercase_   ,       already_has_special_tokens=lowercase_							)

          if token_ids_a is None:
              return [1] + ([0] * len(lowercase_							)) + [1]
          return [1] + ([0] * len(lowercase_							)) + [1, 1] + ([0] * len(lowercase_							)) + [1]




      def     a_      (							self   ,       lowercase_   ,       lowercase_ = None							)						->					List[int]:
          UpperCAmelCase									=					[self.sep_token_id]
          UpperCAmelCase									=					[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   ,       lowercase_   ,       lowercase_=False   ,       **lowercase_							)						->					Any:
          UpperCAmelCase									=					kwargs.pop('add_prefix_space'   ,       self.add_prefix_space							)
          if (is_split_into_words or add_prefix_space) and (len(lowercase_							) > 0 and not text[0].isspace()):
              UpperCAmelCase									=					' ' + text
          return (text, kwargs)





"""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      _UpperCAmelCase							(		SCREAMING_SNAKE_CASE_     ,			unittest.TestCase							):
      __SCREAMING_SNAKE_CASE   :							str							      =	CTRLTokenizer
      __SCREAMING_SNAKE_CASE   :							int							      =	False
      __SCREAMING_SNAKE_CASE   :							Optional[Any]							      =	False




      def     a_      (							self							)						->					Dict:
          super().setUp()

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

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




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




      def     a_      (							self   ,       lowercase_							)						->					Tuple:
          UpperCAmelCase									=					'adapt react readapt apt'
          UpperCAmelCase									=					'adapt react readapt apt'
          return input_text, output_text




      def     a_      (							self							)						->					Union[str, Any]:
          UpperCAmelCase									=					CTRLTokenizer(self.vocab_file   ,       self.merges_file   ,       **self.special_tokens_map							)
          UpperCAmelCase									=					'adapt react readapt apt'
          UpperCAmelCase									=					'adapt re@@ a@@ c@@ t re@@ adapt apt'.split()
          UpperCAmelCase									=					tokenizer.tokenize(lowercase_							)
          self.assertListEqual(lowercase_   ,       lowercase_							)

          UpperCAmelCase									=					tokens + [tokenizer.unk_token]

          UpperCAmelCase									=					[0, 1, 2, 4, 5, 1, 0, 3, 6]
          self.assertListEqual(tokenizer.convert_tokens_to_ids(lowercase_							)   ,       lowercase_							)



