
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


lowercase        =  logging.get_logger(__name__)


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

# See all BART models at https://huggingface.co/models?filter=bart
lowercase        =  {
    '''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''',
    },
}

lowercase        =  {
    '''facebook/bart-base''': 1_0_2_4,
    '''facebook/bart-large''': 1_0_2_4,
    '''facebook/bart-large-mnli''': 1_0_2_4,
    '''facebook/bart-large-cnn''': 1_0_2_4,
    '''facebook/bart-large-xsum''': 1_0_2_4,
    '''yjernite/bart_eli5''': 1_0_2_4,
}



@lru_cache()
def      __lowerCAmelCase						(							)  ->    Tuple:
       lowerCamelCase_							  =					(
           list(range(ord("""!"""       )			,				ord("""~"""       ) + 1       )       ) + list(range(ord("""¡"""       )			,				ord("""¬"""       ) + 1       )       ) + list(range(ord("""®"""       )			,				ord("""ÿ"""       ) + 1       )       )
       )
       lowerCamelCase_							  =					bs[:]
       lowerCamelCase_							  =					0
       for b in range(2**8       ):
              if b not in bs:
                     bs.append(UpperCAmelCase__       )
                     cs.append(2**8 + n       )
                     n += 1
       lowerCamelCase_							  =					[chr(UpperCAmelCase__       ) for n in cs]
       return dict(zip(UpperCAmelCase__			,				UpperCAmelCase__       )       )



def      __lowerCAmelCase						(							UpperCAmelCase__				:      int       )  ->    Union[str, Any]:
       lowerCamelCase_							  =					set()
       lowerCamelCase_							  =					word[0]
       for char in word[1:]:
              pairs.add((prev_char, char)       )
              lowerCamelCase_							  =					char
       return pairs





class       __A(				UpperCAmelCase       ):
     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					:     Dict   ,					__UpperCamelCase					:     Optional[Any]   ,					__UpperCamelCase					:     Optional[int]   ,					__UpperCamelCase					:     Optional[Any]="replace"   ,					__UpperCamelCase					:     List[str]="<s>"   ,					__UpperCamelCase					:     List[Any]="</s>"   ,					__UpperCamelCase					:     Any="</s>"   ,					__UpperCamelCase					:     Tuple="<s>"   ,					__UpperCamelCase					:     List[str]="<unk>"   ,					__UpperCamelCase					:     Optional[Any]="<pad>"   ,					__UpperCamelCase					:     Any="<mask>"   ,					__UpperCamelCase					:     Any=False   ,					**__UpperCamelCase					:     Any   ,					):
            lowerCamelCase_							  =					AddedToken(__UpperCamelCase   ,					lstrip=__UpperCamelCase   ,					rstrip=__UpperCamelCase   ) if isinstance(__UpperCamelCase   ,					__UpperCamelCase   ) else bos_token
            lowerCamelCase_							  =					AddedToken(__UpperCamelCase   ,					lstrip=__UpperCamelCase   ,					rstrip=__UpperCamelCase   ) if isinstance(__UpperCamelCase   ,					__UpperCamelCase   ) else eos_token
            lowerCamelCase_							  =					AddedToken(__UpperCamelCase   ,					lstrip=__UpperCamelCase   ,					rstrip=__UpperCamelCase   ) if isinstance(__UpperCamelCase   ,					__UpperCamelCase   ) else sep_token
            lowerCamelCase_							  =					AddedToken(__UpperCamelCase   ,					lstrip=__UpperCamelCase   ,					rstrip=__UpperCamelCase   ) if isinstance(__UpperCamelCase   ,					__UpperCamelCase   ) else cls_token
            lowerCamelCase_							  =					AddedToken(__UpperCamelCase   ,					lstrip=__UpperCamelCase   ,					rstrip=__UpperCamelCase   ) if isinstance(__UpperCamelCase   ,					__UpperCamelCase   ) else unk_token
            lowerCamelCase_							  =					AddedToken(__UpperCamelCase   ,					lstrip=__UpperCamelCase   ,					rstrip=__UpperCamelCase   ) if isinstance(__UpperCamelCase   ,					__UpperCamelCase   ) else pad_token

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

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

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

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

     @property
     def    lowercase__      (	self					:     Dict   ):
            return len(self.encoder   )

     def    lowercase__      (	self					:     int   ):
            return dict(self.encoder   ,					**self.added_tokens_encoder   )

     def    lowercase__      (	self					:     Any   ,					__UpperCamelCase					:     List[str]   ):
            if token in self.cache:
                   return self.cache[token]
            lowerCamelCase_							  =					tuple(__UpperCamelCase   )
            lowerCamelCase_							  =					get_pairs(__UpperCamelCase   )

            if not pairs:
                   return token

            while True:
                   lowerCamelCase_							  =					min(__UpperCamelCase   ,					key=lambda __UpperCamelCase   : self.bpe_ranks.get(__UpperCamelCase   ,					float("""inf"""   )   )   )
                   if bigram not in self.bpe_ranks:
                          break
                   lowerCamelCase_  ,   lowerCamelCase_							  =					bigram
                   lowerCamelCase_							  =					[]
                   lowerCamelCase_							  =					0
                   while i < len(__UpperCamelCase   ):
                          try:
                                 lowerCamelCase_							  =					word.index(__UpperCamelCase   ,					__UpperCamelCase   )
                          except ValueError:
                                 new_word.extend(word[i:]   )
                                 break
                          else:
                                 new_word.extend(word[i:j]   )
                                 lowerCamelCase_							  =					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
                   lowerCamelCase_							  =					tuple(__UpperCamelCase   )
                   lowerCamelCase_							  =					new_word
                   if len(__UpperCamelCase   ) == 1:
                          break
                   else:
                          lowerCamelCase_							  =					get_pairs(__UpperCamelCase   )
            lowerCamelCase_							  =					""" """.join(__UpperCamelCase   )
            lowerCamelCase_							  =					word
            return word

     def    lowercase__      (	self					:     List[str]   ,					__UpperCamelCase					:     List[Any]   ):
            lowerCamelCase_							  =					[]
            for token in re.findall(self.pat   ,					__UpperCamelCase   ):
                   lowerCamelCase_							  =					"""""".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(__UpperCamelCase   ).split(""" """   )   )
            return bpe_tokens

     def    lowercase__      (	self					:     int   ,					__UpperCamelCase					:     str   ):
            return self.encoder.get(__UpperCamelCase   ,					self.encoder.get(self.unk_token   )   )

     def    lowercase__      (	self					:     Dict   ,					__UpperCamelCase					:     Dict   ):
            return self.decoder.get(__UpperCamelCase   )

     def    lowercase__      (	self					:     Union[str, Any]   ,					__UpperCamelCase					:     Optional[int]   ):
            lowerCamelCase_							  =					"""""".join(__UpperCamelCase   )
            lowerCamelCase_							  =					bytearray([self.byte_decoder[c] for c in text]   ).decode("""utf-8"""   ,					errors=self.errors   )
            return text

     def    lowercase__      (	self					:     int   ,					__UpperCamelCase					:     str   ,					__UpperCamelCase					:     Optional[str] = None   ):
            if not os.path.isdir(__UpperCamelCase   ):
                   logger.error(F'''Vocabulary path ({save_directory}) should be a directory'''   )
                   return
            lowerCamelCase_							  =					os.path.join(
                __UpperCamelCase   ,					(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]   )
            lowerCamelCase_							  =					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"""   )

            lowerCamelCase_							  =					0
            with open(__UpperCamelCase   ,					"""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 __UpperCamelCase   : 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!"""   )
                                 lowerCamelCase_							  =					token_index
                          writer.write(""" """.join(__UpperCamelCase   ) + """\n"""   )
                          index += 1

            return vocab_file, merge_file

     def    lowercase__      (	self					:     List[str]   ,					__UpperCamelCase					:     List[int]   ,					__UpperCamelCase					:     Optional[List[int]] = None   ):
            if token_ids_a is None:
                   return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
            lowerCamelCase_							  =					[self.cls_token_id]
            lowerCamelCase_							  =					[self.sep_token_id]
            return cls + token_ids_a + sep + sep + token_ids_a + sep

     def    lowercase__      (	self					:     Optional[Any]   ,					__UpperCamelCase					:     List[int]   ,					__UpperCamelCase					:     Optional[List[int]] = None   ,					__UpperCamelCase					:     bool = False   ):
            if already_has_special_tokens:
                   return super().get_special_tokens_mask(
                       token_ids_a=__UpperCamelCase   ,					token_ids_a=__UpperCamelCase   ,					already_has_special_tokens=__UpperCamelCase   )

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

     def    lowercase__      (	self					:     Tuple   ,					__UpperCamelCase					:     List[int]   ,					__UpperCamelCase					:     Optional[List[int]] = None   ):
            lowerCamelCase_							  =					[self.sep_token_id]
            lowerCamelCase_							  =					[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    lowercase__      (	self					:     List[str]   ,					__UpperCamelCase					:     Any   ,					__UpperCamelCase					:     Tuple=False   ,					**__UpperCamelCase					:     Optional[Any]   ):
            lowerCamelCase_							  =					kwargs.pop("""add_prefix_space"""   ,					self.add_prefix_space   )
            if (is_split_into_words or add_prefix_space) and (len(__UpperCamelCase   ) > 0 and not text[0].isspace()):
                   lowerCamelCase_							  =					""" """ + text
            return (text, kwargs)







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_flax_available, is_torch_available


lowercase        =  {'''configuration_speech_encoder_decoder''': ['''SpeechEncoderDecoderConfig''']}

try:
		if not is_torch_available():
				raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
		pass
else:
		lowercase        =  ['''SpeechEncoderDecoderModel''']

try:
		if not is_flax_available():
				raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
		pass
else:
		lowercase        =  ['''FlaxSpeechEncoderDecoderModel''']

if TYPE_CHECKING:
		from .configuration_speech_encoder_decoder import SpeechEncoderDecoderConfig

		try:
				if not is_torch_available():
						raise OptionalDependencyNotAvailable()
		except OptionalDependencyNotAvailable:
				pass
		else:
				from .modeling_speech_encoder_decoder import SpeechEncoderDecoderModel

		try:
				if not is_flax_available():
						raise OptionalDependencyNotAvailable()
		except OptionalDependencyNotAvailable:
				pass
		else:
				from .modeling_flax_speech_encoder_decoder import FlaxSpeechEncoderDecoderModel

else:
		import sys

		lowercase        =  _LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)





