






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

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


__a   :							Optional[int]						= logging.get_logger(__name__)


__a   :							Optional[Any]						= {
    'vocab_file': 'vocab.json',
    'tokenizer_config_file': 'tokenizer_config.json',
    'merges_file': 'merges.txt',
}

__a   :							Optional[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'
        ),
    },
}

__a   :							Optional[Any]						= '</w>'
__a   :							List[Any]						= '@@ '



def       _SCREAMING_SNAKE_CASE    (			__lowercase :      Optional[int]     )    ->   Optional[Any]:





    """simple docstring"""

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


# Speech2Text2 has no max input length
__a   :							Tuple						= {'facebook/s2t-wav2vec2-large-en-de': 1024}






class    __lowercase   (						a__	):







     '''simple docstring'''
     SCREAMING_SNAKE_CASE     =					VOCAB_FILES_NAMES
     SCREAMING_SNAKE_CASE     =					PRETRAINED_VOCAB_FILES_MAP
     SCREAMING_SNAKE_CASE     =					PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
     SCREAMING_SNAKE_CASE     =					["input_ids", "attention_mask"]




     def __init__(					self							:      Union[str, Any]			,						UpperCamelCase_							:      int			,						UpperCamelCase_							:      Optional[Any]="<s>"			,						UpperCamelCase_							:      Any="<pad>"			,						UpperCamelCase_							:      List[Any]="</s>"			,						UpperCamelCase_							:      List[Any]="<unk>"			,						UpperCamelCase_							:      Tuple=False			,						UpperCamelCase_							:      List[str]=None			,						**UpperCamelCase_							:      Optional[int]			,						):


         """simple docstring"""



         super().__init__(
             unk_token=__a			,						bos_token=__a			,						eos_token=__a			,						pad_token=__a			,						do_lower_case=__a			,						**__a			,						)

         __A       =						do_lower_case

         with open(__a			,						encoding="""utf-8"""					) as vocab_handle:
             __A       =						json.load(__a					)
         __A       =						{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."					)

             __A       =						None
             __A       =						None
         else:
             with open(__a			,						encoding="""utf-8"""					) as merges_handle:
                 __A       =						merges_handle.read().split("""\n"""					)[:-1]

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




     @property
     def 		lowerCAmelCase_  (					self							:      int					):


         """simple docstring"""



         return len(self.decoder					)




     def 		lowerCAmelCase_  (					self							:      List[str]					):


         """simple docstring"""



         return dict(self.encoder			,						**self.added_tokens_encoder					)




     def 		lowerCAmelCase_  (					self							:      int			,						UpperCamelCase_							:      Any					):


         """simple docstring"""



         __A       =						tuple(token[:-1]					) + (token[-1] + BPE_TOKEN_MERGES,)
         if token in self.cache:
             return self.cache[token]
         __A       =						get_pairs(__a					)

         if not pairs:
             return token

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

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

         if word.endswith(__a					):
             __A       =						word.replace(__a			,						""""""					)

         __A       =						word.replace(""" """			,						__a					)
         __A       =						word
         return word




     def 		lowerCAmelCase_  (					self							:      Optional[int]			,						UpperCamelCase_							:      str					):


         """simple docstring"""



         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:
             __A       =						text.lower()

         __A       =						text.split()

         __A       =						[]
         for token in text:
             if token:
                 split_tokens.extend(list(self.bpe(__a					).split(""" """					)					)					)

         return split_tokens




     def 		lowerCAmelCase_  (					self							:      Tuple			,						UpperCamelCase_							:      str					):


         """simple docstring"""



         return self.encoder.get(__a			,						self.encoder.get(self.unk_token					)					)




     def 		lowerCAmelCase_  (					self							:      int			,						UpperCamelCase_							:      int					):


         """simple docstring"""



         __A       =						self.decoder.get(__a			,						self.unk_token					)
         return result




     def 		lowerCAmelCase_  (					self							:      Optional[Any]			,						UpperCamelCase_							:      List[str]					):


         """simple docstring"""



         __A       =						""" """.join(__a					)

         # make sure @@ tokens are concatenated
         __A       =						"""""".join(string.split(__a					)					)

         return string





     def 		lowerCAmelCase_  (					self							:      str			,						UpperCamelCase_							:      str			,						UpperCamelCase_							:      Optional[str] = None					):


         """simple docstring"""



         if not os.path.isdir(__a					):
             logger.error(F"Vocabulary path ({save_directory}) should be a directory"					)
             return
         __A       =						os.path.join(
             __a			,						(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]					)
         __A       =						os.path.join(
             __a			,						(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""merges_file"""]					)

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

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

         with open(__a			,						"""w"""			,						encoding="""utf-8"""					) as writer:
             for bpe_tokens, token_index in sorted(self.bpe_ranks.items()			,						key=lambda UpperCamelCase_					: 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!"""					)
                     __A       =						token_index
                 writer.write(""" """.join(__a					) + """\n"""					)
                 index += 1

         return (vocab_file, merges_file)








snake_case__				:	List[Any]					       =					[
    999,
    800,
    799,
    600,
    599,
    500,
    400,
    399,
    377,
    355,
    333,
    311,
    288,
    266,
    244,
    222,
    200,
    199,
    177,
    155,
    133,
    111,
    88,
    66,
    44,
    22,
    0,
]

snake_case__				:	Tuple					       =					[
    999,
    976,
    952,
    928,
    905,
    882,
    858,
    857,
    810,
    762,
    715,
    714,
    572,
    429,
    428,
    286,
    285,
    238,
    190,
    143,
    142,
    118,
    95,
    71,
    47,
    24,
    0,
]

snake_case__				:	List[Any]					       =					[
    999,
    988,
    977,
    966,
    955,
    944,
    933,
    922,
    911,
    900,
    899,
    879,
    859,
    840,
    820,
    800,
    799,
    766,
    733,
    700,
    699,
    650,
    600,
    599,
    500,
    499,
    400,
    399,
    350,
    300,
    299,
    266,
    233,
    200,
    199,
    179,
    159,
    140,
    120,
    100,
    99,
    88,
    77,
    66,
    55,
    44,
    33,
    22,
    11,
    0,
]

snake_case__				:	List[str]					       =					[
    999,
    995,
    992,
    989,
    985,
    981,
    978,
    975,
    971,
    967,
    964,
    961,
    957,
    956,
    951,
    947,
    942,
    937,
    933,
    928,
    923,
    919,
    914,
    913,
    908,
    903,
    897,
    892,
    887,
    881,
    876,
    871,
    870,
    864,
    858,
    852,
    846,
    840,
    834,
    828,
    827,
    820,
    813,
    806,
    799,
    792,
    785,
    784,
    777,
    770,
    763,
    756,
    749,
    742,
    741,
    733,
    724,
    716,
    707,
    699,
    698,
    688,
    677,
    666,
    656,
    655,
    645,
    634,
    623,
    613,
    612,
    598,
    584,
    570,
    569,
    555,
    541,
    527,
    526,
    505,
    484,
    483,
    462,
    440,
    439,
    396,
    395,
    352,
    351,
    308,
    307,
    264,
    263,
    220,
    219,
    176,
    132,
    88,
    44,
    0,
]

snake_case__				:	Any					       =					[
    999,
    997,
    995,
    992,
    990,
    988,
    986,
    984,
    981,
    979,
    977,
    975,
    972,
    970,
    968,
    966,
    964,
    961,
    959,
    957,
    956,
    954,
    951,
    949,
    946,
    944,
    941,
    939,
    936,
    934,
    931,
    929,
    926,
    924,
    921,
    919,
    916,
    914,
    913,
    910,
    907,
    905,
    902,
    899,
    896,
    893,
    891,
    888,
    885,
    882,
    879,
    877,
    874,
    871,
    870,
    867,
    864,
    861,
    858,
    855,
    852,
    849,
    846,
    843,
    840,
    837,
    834,
    831,
    828,
    827,
    824,
    821,
    817,
    814,
    811,
    808,
    804,
    801,
    798,
    795,
    791,
    788,
    785,
    784,
    780,
    777,
    774,
    770,
    766,
    763,
    760,
    756,
    752,
    749,
    746,
    742,
    741,
    737,
    733,
    730,
    726,
    722,
    718,
    714,
    710,
    707,
    703,
    699,
    698,
    694,
    690,
    685,
    681,
    677,
    673,
    669,
    664,
    660,
    656,
    655,
    650,
    646,
    641,
    636,
    632,
    627,
    622,
    618,
    613,
    612,
    607,
    602,
    596,
    591,
    586,
    580,
    575,
    570,
    569,
    563,
    557,
    551,
    545,
    539,
    533,
    527,
    526,
    519,
    512,
    505,
    498,
    491,
    484,
    483,
    474,
    466,
    457,
    449,
    440,
    439,
    428,
    418,
    407,
    396,
    395,
    381,
    366,
    352,
    351,
    330,
    308,
    307,
    286,
    264,
    263,
    242,
    220,
    219,
    176,
    175,
    132,
    131,
    88,
    44,
    0,
]

snake_case__				:	int					       =					[
    999,
    991,
    982,
    974,
    966,
    958,
    950,
    941,
    933,
    925,
    916,
    908,
    900,
    899,
    874,
    850,
    825,
    800,
    799,
    700,
    600,
    500,
    400,
    300,
    200,
    100,
    0,
]

snake_case__				:	Any					       =					[
    999,
    992,
    985,
    978,
    971,
    964,
    957,
    949,
    942,
    935,
    928,
    921,
    914,
    907,
    900,
    899,
    879,
    859,
    840,
    820,
    800,
    799,
    766,
    733,
    700,
    699,
    650,
    600,
    599,
    500,
    499,
    400,
    399,
    300,
    299,
    200,
    199,
    100,
    99,
    0,
]

snake_case__				:	Union[str, Any]					       =					[
    999,
    996,
    992,
    989,
    985,
    982,
    979,
    975,
    972,
    968,
    965,
    961,
    958,
    955,
    951,
    948,
    944,
    941,
    938,
    934,
    931,
    927,
    924,
    920,
    917,
    914,
    910,
    907,
    903,
    900,
    899,
    891,
    884,
    876,
    869,
    861,
    853,
    846,
    838,
    830,
    823,
    815,
    808,
    800,
    799,
    788,
    777,
    766,
    755,
    744,
    733,
    722,
    711,
    700,
    699,
    688,
    677,
    666,
    655,
    644,
    633,
    622,
    611,
    600,
    599,
    585,
    571,
    557,
    542,
    528,
    514,
    500,
    499,
    485,
    471,
    457,
    442,
    428,
    414,
    400,
    399,
    379,
    359,
    340,
    320,
    300,
    299,
    279,
    259,
    240,
    220,
    200,
    199,
    166,
    133,
    100,
    99,
    66,
    33,
    0,
]





