

import json
import os
from typing import Dict, List, Optional, Tuple

from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging


_SCREAMING_SNAKE_CASE					:  Union[str, Any]             =      logging.get_logger(__name__)


_SCREAMING_SNAKE_CASE					:  Union[str, Any]             =      {
    '''vocab_file''': '''vocab.json''',
    '''tokenizer_config_file''': '''tokenizer_config.json''',
    '''merges_file''': '''merges.txt''',
}

_SCREAMING_SNAKE_CASE					:  Any             =      {
    '''vocab_file''': {
        '''facebook/s2t-wav2vec2-large-en-de''': (
            '''https://huggingface.co/facebook/s2t-wav2vec2-large-en-de/resolve/main/vocab.json'''
        ),
    },
    '''tokenizer_config_file''': {
        '''facebook/s2t-wav2vec2-large-en-de''': (
            '''https://huggingface.co/facebook/s2t-wav2vec2-large-en-de/resolve/main/tokenizer_config.json'''
        ),
    },
    '''merges_file''': {
        '''facebook/s2t-wav2vec2-large-en-de''': (
            '''https://huggingface.co/facebook/s2t-wav2vec2-large-en-de/resolve/main/merges.txt'''
        ),
    },
}

_SCREAMING_SNAKE_CASE					:  List[Any]             =      '''</w>'''
_SCREAMING_SNAKE_CASE					:  Any             =      '''@@ '''
def     UpperCAmelCase_       (						_A    ):





					'''simple docstring'''




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


# Speech2Text2 has no max input length
_SCREAMING_SNAKE_CASE					:  List[str]             =      {'''facebook/s2t-wav2vec2-large-en-de''': 1024}







class 	UpperCAmelCase__		(	__lowercase	):






		"""simple docstring"""


		a									= VOCAB_FILES_NAMES
		a									= PRETRAINED_VOCAB_FILES_MAP
		a									= PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
		a									= ['''input_ids''', '''attention_mask''']






		def __init__(							self						:		str     ,       __lowerCamelCase						:		Optional[int]     ,       __lowerCamelCase						:		Dict="<s>"     ,       __lowerCamelCase						:		str="<pad>"     ,       __lowerCamelCase						:		Dict="</s>"     ,       __lowerCamelCase						:		str="<unk>"     ,       __lowerCamelCase						:		Tuple=False     ,       __lowerCamelCase						:		List[Any]=None     ,       **__lowerCamelCase						:		Any     ,       )		->							str:
							super().__init__(
							    unk_token=UpperCAmelCase__     ,       bos_token=UpperCAmelCase__     ,       eos_token=UpperCAmelCase__     ,       pad_token=UpperCAmelCase__     ,       do_lower_case=UpperCAmelCase__     ,       **UpperCAmelCase__     ,       )

							SCREAMING_SNAKE_CASE__   =   do_lower_case

							with open(UpperCAmelCase__     ,       encoding='''utf-8''' ) as vocab_handle:
												SCREAMING_SNAKE_CASE__   =   json.load(UpperCAmelCase__ )
							SCREAMING_SNAKE_CASE__   =   {v: k for k, v in self.encoder.items()}

							if merges_file is None:
												logger.info(f'''No merges files provided. {self.__class__.__name__} can only be used for decoding.''' )

												SCREAMING_SNAKE_CASE__   =   None
												SCREAMING_SNAKE_CASE__   =   None
							else:
												with open(UpperCAmelCase__     ,       encoding='''utf-8''' ) as merges_handle:
																	SCREAMING_SNAKE_CASE__   =   merges_handle.read().split('''\n''' )[:-1]

												SCREAMING_SNAKE_CASE__   =   [tuple(merge.split()[:2] ) for merge in merges]
												SCREAMING_SNAKE_CASE__   =   dict(zip(UpperCAmelCase__     ,       range(len(UpperCAmelCase__ ) ) ) )
												SCREAMING_SNAKE_CASE__   =   {}






		@property
		def 				lowercase_		(							self						:		List[str] )		->							int:
							return len(self.decoder )






		def 				lowercase_		(							self						:		Any )		->							Dict:
							return dict(self.encoder     ,       **self.added_tokens_encoder )






		def 				lowercase_		(							self						:		Tuple     ,       __lowerCamelCase						:		Any )		->							Any:
							SCREAMING_SNAKE_CASE__   =   tuple(token[:-1] ) + (token[-1] + BPE_TOKEN_MERGES,)
							if token in self.cache:
												return self.cache[token]
							SCREAMING_SNAKE_CASE__   =   get_pairs(UpperCAmelCase__ )

							if not pairs:
												return token

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

																	if word[i] == first and i < len(UpperCAmelCase__ ) - 1 and word[i + 1] == second:
																						new_word.append(first + second )
																						i += 2
																	else:
																						new_word.append(word[i] )
																						i += 1
												SCREAMING_SNAKE_CASE__   =   tuple(UpperCAmelCase__ )
												SCREAMING_SNAKE_CASE__   =   new_word
												if len(UpperCAmelCase__ ) == 1:
																	break
												else:
																	SCREAMING_SNAKE_CASE__   =   get_pairs(UpperCAmelCase__ )
							SCREAMING_SNAKE_CASE__   =   ''' '''.join(UpperCAmelCase__ )
							if word == "\n  " + BPE_TOKEN_MERGES:
												SCREAMING_SNAKE_CASE__   =   '''\n''' + BPE_TOKEN_MERGES

							if word.endswith(UpperCAmelCase__ ):
												SCREAMING_SNAKE_CASE__   =   word.replace(UpperCAmelCase__     ,       '''''' )

							SCREAMING_SNAKE_CASE__   =   word.replace(''' '''     ,       UpperCAmelCase__ )
							SCREAMING_SNAKE_CASE__   =   word
							return word






		def 				lowercase_		(							self						:		Optional[int]     ,       __lowerCamelCase						:		Optional[int] )		->							Dict:

							if self.bpe_ranks is None:
												raise ValueError(
												    '''This tokenizer was instantiated without a `merges.txt` file, so'''
												    ''' that it can only be used for decoding, not for encoding.'''
												    '''Make sure to provide `merges.txt` file at instantiation to enable '''
												    '''encoding.''' )

							if self.do_lower_case:
												SCREAMING_SNAKE_CASE__   =   text.lower()

							SCREAMING_SNAKE_CASE__   =   text.split()

							SCREAMING_SNAKE_CASE__   =   []
							for token in text:
												if token:
																	split_tokens.extend(list(self.bpe(UpperCAmelCase__ ).split(''' ''' ) ) )

							return split_tokens






		def 				lowercase_		(							self						:		Any     ,       __lowerCamelCase						:		str )		->							int:
							return self.encoder.get(UpperCAmelCase__     ,       self.encoder.get(self.unk_token ) )






		def 				lowercase_		(							self						:		Union[str, Any]     ,       __lowerCamelCase						:		int )		->							str:
							SCREAMING_SNAKE_CASE__   =   self.decoder.get(UpperCAmelCase__     ,       self.unk_token )
							return result






		def 				lowercase_		(							self						:		List[str]     ,       __lowerCamelCase						:		List[str] )		->							str:
							SCREAMING_SNAKE_CASE__   =   ''' '''.join(UpperCAmelCase__ )

							# make sure @@ tokens are concatenated
							SCREAMING_SNAKE_CASE__   =   ''''''.join(string.split(UpperCAmelCase__ ) )

							return string







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

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

							SCREAMING_SNAKE_CASE__   =   0
							if self.bpe_ranks is None:
												return (vocab_file,)

							with open(UpperCAmelCase__     ,       '''w'''     ,       encoding='''utf-8''' ) as writer:
												for bpe_tokens, token_index in sorted(self.bpe_ranks.items()     ,       key=lambda __lowerCamelCase : kv[1] ):
																	if index != token_index:
																						logger.warning(
																						    f'''Saving vocabulary to {merges_file}: BPE merge indices are not consecutive.'''
																						    ''' Please check that the tokenizer is not corrupted!''' )
																						SCREAMING_SNAKE_CASE__   =   token_index
																	writer.write(''' '''.join(UpperCAmelCase__ ) + '''\n''' )
																	index += 1

							return (vocab_file, merges_file)





def     UpperCAmelCase_       (						_A    ):





     '''simple docstring'''




     if not isinstance(_A				,		_A    ):
          raise ValueError('''multiplicative_persistence() only accepts integral values'''    )
     if num < 0:
          raise ValueError('''multiplicative_persistence() does not accept negative values'''    )

     SCREAMING_SNAKE_CASE__   =   0
     SCREAMING_SNAKE_CASE__   =   str(_A    )

     while len(_A    ) != 1:
          SCREAMING_SNAKE_CASE__   =   [int(_A    ) for i in num_string]

          SCREAMING_SNAKE_CASE__   =   1
          for i in range(0				,		len(_A    )    ):
               total *= numbers[i]

          SCREAMING_SNAKE_CASE__   =   str(_A    )

          steps += 1
     return steps
def     UpperCAmelCase_       (						_A    ):





     '''simple docstring'''




     if not isinstance(_A				,		_A    ):
          raise ValueError('''additive_persistence() only accepts integral values'''    )
     if num < 0:
          raise ValueError('''additive_persistence() does not accept negative values'''    )

     SCREAMING_SNAKE_CASE__   =   0
     SCREAMING_SNAKE_CASE__   =   str(_A    )

     while len(_A    ) != 1:
          SCREAMING_SNAKE_CASE__   =   [int(_A    ) for i in num_string]

          SCREAMING_SNAKE_CASE__   =   0
          for i in range(0				,		len(_A    )    ):
               total += numbers[i]

          SCREAMING_SNAKE_CASE__   =   str(_A    )

          steps += 1
     return steps


if __name__ == "__main__":
       import doctest

       doctest.testmod()


