





'''simple docstring'''






from ...configuration_utils import PretrainedConfig
from ...utils import logging


snake_case_     			=						logging.get_logger(__name__)

snake_case_     			=						{
    """google/reformer-crime-and-punishment""": (
        """https://huggingface.co/google/reformer-crime-and-punishment/resolve/main/config.json"""
    ),
    """google/reformer-enwik8""": """https://huggingface.co/google/reformer-enwik8/resolve/main/config.json""",
}


class 	_lowercase    (				a					):
   _UpperCamelCase									= """reformer"""
   _UpperCamelCase									= ["""past_buckets_states"""]
   _UpperCamelCase									= {}


   def __init__(			self     , _UpperCAmelCase=64     , _UpperCAmelCase=["local", "lsh", "local", "lsh", "local", "lsh"]     , _UpperCAmelCase=1.0     , _UpperCAmelCase=True     , _UpperCAmelCase=[64, 64]     , _UpperCAmelCase=[64, 192]     , _UpperCAmelCase=0     , _UpperCAmelCase=2     , _UpperCAmelCase=512     , _UpperCAmelCase=None     , _UpperCAmelCase="relu"     , _UpperCAmelCase=0.05     , _UpperCAmelCase=256     , _UpperCAmelCase=0.02     , _UpperCAmelCase=False     , _UpperCAmelCase=1E-1_2     , _UpperCAmelCase=1     , _UpperCAmelCase=0     , _UpperCAmelCase=0.05     , _UpperCAmelCase=64     , _UpperCAmelCase=64     , _UpperCAmelCase=0.0     , _UpperCAmelCase=1     , _UpperCAmelCase=0     , _UpperCAmelCase=4_096     , _UpperCAmelCase=12     , _UpperCAmelCase=None     , _UpperCAmelCase=1     , _UpperCAmelCase=0     , _UpperCAmelCase=320     , _UpperCAmelCase=False     , _UpperCAmelCase=True     , _UpperCAmelCase=None     , **_UpperCAmelCase     , ):
       A							:							Any				=    hash_seed
       A							:							Dict				=    vocab_size
       A							:							Dict				=    attention_head_size
       A							:							Optional[int]				=    hidden_size
       A							:							List[Any]				=    num_attention_heads
       A							:							Union[str, Any]				=    num_hashes
       A							:							Optional[Any]				=    len(_UpperCAmelCase       )
       A							:							Union[str, Any]				=    tuple(_UpperCAmelCase       ) if isinstance(_UpperCAmelCase     , _UpperCAmelCase       ) else num_buckets
       A							:							Dict				=    lsh_attn_chunk_length
       A							:							Union[str, Any]				=    local_attn_chunk_length
       A							:							Dict				=    lsh_num_chunks_after
       A							:							Union[str, Any]				=    lsh_num_chunks_before
       A							:							int				=    local_num_chunks_after
       A							:							str				=    local_num_chunks_before
       A							:							Tuple				=    hidden_act
       A							:							Any				=    feed_forward_size
       A							:							Optional[int]				=    hidden_dropout_prob
       A							:							str				=    lsh_attention_probs_dropout_prob
       A							:							int				=    local_attention_probs_dropout_prob
       A							:							Optional[Any]				=    max_position_embeddings
       A							:							int				=    initializer_range
       A							:							str				=    layer_norm_eps
       A							:							int				=    axial_pos_embds
       A							:							List[Any]				=    tuple(_UpperCAmelCase       )
       A							:							Tuple				=    tuple(_UpperCAmelCase       )
       A							:							List[Any]				=    axial_norm_std
       A							:							Any				=    chunk_size_lm_head
       A							:							str				=    attn_layers
       A							:							List[Any]				=    use_cache
       A							:							Union[str, Any]				=    classifier_dropout
       super().__init__(
           pad_token_id=_UpperCAmelCase     , eos_token_id=_UpperCAmelCase     , is_decoder=_UpperCAmelCase     , tie_word_embeddings=_UpperCAmelCase     , **_UpperCAmelCase     , )







'''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


snake_case_     			=						logging.get_logger(__name__)


snake_case_     			=						{"""vocab_file""": """vocab.json""", """merges_file""": """merges.txt"""}

# See all MVP models at https://huggingface.co/models?filter=mvp
snake_case_     			=						{
    """vocab_file""": {
        """RUCAIBox/mvp""": """https://huggingface.co/RUCAIBox/mvp/resolve/main/vocab.json""",
    },
    """added_tokens.json""": {
        """RUCAIBox/mvp""": """https://huggingface.co/RUCAIBox/mvp/resolve/main/added_tokens.json""",
    },
    """merges_file""": {
        """RUCAIBox/mvp""": """https://huggingface.co/RUCAIBox/mvp/resolve/main/merges.txt""",
    },
}

snake_case_     			=						{
    """RUCAIBox/mvp""": 10_24,
}
@lru_cache()
def 				_lowerCamelCase(	)		->	str:
    A							:							Dict				=    (
        list(range(ord('''!'''		)     ,							ord('''~'''		) + 1		)		) + list(range(ord('''¡'''		)     ,							ord('''¬'''		) + 1		)		) + list(range(ord('''®'''		)     ,							ord('''ÿ'''		) + 1		)		)
    )
    A							:							int				=    bs[:]
    A							:							Any				=    0
    for b in range(2**8		):
        if b not in bs:
            bs.append(UpperCamelCase__		)
            cs.append(2**8 + n		)
            n += 1
    A							:							Union[str, Any]				=    [chr(UpperCamelCase__		) for n in cs]
    return dict(zip(UpperCamelCase__     ,							UpperCamelCase__		)		)
def 				_lowerCamelCase(	UpperCamelCase__     :			List[Any]		)		->	str:
    A							:							Tuple				=    set()
    A							:							Optional[Any]				=    word[0]
    for char in word[1:]:
        pairs.add((prev_char, char)		)
        A							:							Tuple				=    char
    return pairs





class 	_lowercase    (				a					):
   _UpperCamelCase									= VOCAB_FILES_NAMES
   _UpperCamelCase									= PRETRAINED_VOCAB_FILES_MAP
   _UpperCamelCase									= PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
   _UpperCamelCase									= ["""input_ids""", """attention_mask"""]


   def __init__(			self     , _UpperCAmelCase     , _UpperCAmelCase     , _UpperCAmelCase="replace"     , _UpperCAmelCase="<s>"     , _UpperCAmelCase="</s>"     , _UpperCAmelCase="</s>"     , _UpperCAmelCase="<s>"     , _UpperCAmelCase="<unk>"     , _UpperCAmelCase="<pad>"     , _UpperCAmelCase="<mask>"     , _UpperCAmelCase=False     , **_UpperCAmelCase     , ):
       A							:							int				=    AddedToken(_UpperCAmelCase     , lstrip=_UpperCAmelCase     , rstrip=_UpperCAmelCase       ) if isinstance(_UpperCAmelCase     , _UpperCAmelCase       ) else bos_token
       A							:							List[str]				=    AddedToken(_UpperCAmelCase     , lstrip=_UpperCAmelCase     , rstrip=_UpperCAmelCase       ) if isinstance(_UpperCAmelCase     , _UpperCAmelCase       ) else eos_token
       A							:							List[str]				=    AddedToken(_UpperCAmelCase     , lstrip=_UpperCAmelCase     , rstrip=_UpperCAmelCase       ) if isinstance(_UpperCAmelCase     , _UpperCAmelCase       ) else sep_token
       A							:							Dict				=    AddedToken(_UpperCAmelCase     , lstrip=_UpperCAmelCase     , rstrip=_UpperCAmelCase       ) if isinstance(_UpperCAmelCase     , _UpperCAmelCase       ) else cls_token
       A							:							str				=    AddedToken(_UpperCAmelCase     , lstrip=_UpperCAmelCase     , rstrip=_UpperCAmelCase       ) if isinstance(_UpperCAmelCase     , _UpperCAmelCase       ) else unk_token
       A							:							str				=    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
       A							:							Dict				=    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:
           A							:							List[str]				=    json.load(_UpperCAmelCase       )
       A							:							Optional[int]				=    {v: k for k, v in self.encoder.items()}
       A							:							List[str]				=    errors  # how to handle errors in decoding
       A							:							Optional[Any]				=    bytes_to_unicode()
       A							:							Dict				=    {v: k for k, v in self.byte_encoder.items()}
       with open(_UpperCAmelCase     , encoding='''utf-8'''       ) as merges_handle:
           A							:							Union[str, Any]				=    merges_handle.read().split('''\n'''       )[1:-1]
       A							:							int				=    [tuple(merge.split()       ) for merge in bpe_merges]
       A							:							int				=    dict(zip(_UpperCAmelCase     , range(len(_UpperCAmelCase       )       )       )       )
       A							:							Tuple				=    {}
       A							:							Tuple				=    add_prefix_space

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


   @property
   def        snake_case					(			self       ):
       return len(self.encoder       )


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


   def        snake_case					(			self     , _UpperCAmelCase       ):
       if token in self.cache:
           return self.cache[token]
       A							:							Dict				=    tuple(_UpperCAmelCase       )
       A							:							Dict				=    get_pairs(_UpperCAmelCase       )

       if not pairs:
           return token

       while True:
           A							:							Optional[int]				=    min(_UpperCAmelCase     , key=lambda _UpperCAmelCase       : self.bpe_ranks.get(_UpperCAmelCase     , float('''inf'''       )       )       )
           if bigram not in self.bpe_ranks:
               break
           A,						A							:							Optional[int]				=    bigram
           A							:							str				=    []
           A							:							Any				=    0
           while i < len(_UpperCAmelCase       ):
               try:
                   A							:							List[Any]				=    word.index(_UpperCAmelCase     , _UpperCAmelCase       )
               except ValueError:
                   new_word.extend(word[i:]       )
                   break
               else:
                   new_word.extend(word[i:j]       )
                   A							:							str				=    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
           A							:							Optional[Any]				=    tuple(_UpperCAmelCase       )
           A							:							int				=    new_word
           if len(_UpperCAmelCase       ) == 1:
               break
           else:
               A							:							Union[str, Any]				=    get_pairs(_UpperCAmelCase       )
       A							:							int				=    ''' '''.join(_UpperCAmelCase       )
       A							:							List[Any]				=    word
       return word


   def        snake_case					(			self     , _UpperCAmelCase       ):
       A							:							str				=    []
       for token in re.findall(self.pat     , _UpperCAmelCase       ):
           A							:							Optional[int]				=    ''''''.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        snake_case					(			self     , _UpperCAmelCase       ):
       return self.encoder.get(_UpperCAmelCase     , self.encoder.get(self.unk_token       )       )


   def        snake_case					(			self     , _UpperCAmelCase       ):
       return self.decoder.get(_UpperCAmelCase       )


   def        snake_case					(			self     , _UpperCAmelCase       ):
       A							:							int				=    ''''''.join(_UpperCAmelCase       )
       A							:							Any				=    bytearray([self.byte_decoder[c] for c in text]       ).decode('''utf-8'''     , errors=self.errors       )
       return text


   def        snake_case					(			self     , _UpperCAmelCase     , _UpperCAmelCase = None       ):
       if not os.path.isdir(_UpperCAmelCase       ):
           logger.error(f'''Vocabulary path ({save_directory}) should be a directory'''       )
           return
       A							:							Optional[Any]				=    os.path.join(
           _UpperCAmelCase     , (filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']       )
       A							:							Tuple				=    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'''       )

       A							:							str				=    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!'''       )
                   A							:							int				=    token_index
               writer.write(''' '''.join(_UpperCAmelCase       ) + '''\n'''       )
               index += 1

       return vocab_file, merge_file


   def        snake_case					(			self     , _UpperCAmelCase     , _UpperCAmelCase = None       ):
       if token_ids_a is None:
           return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
       A							:							Union[str, Any]				=    [self.cls_token_id]
       A							:							Any				=    [self.sep_token_id]
       return cls + token_ids_a + sep + sep + token_ids_a + sep


   def        snake_case					(			self     , _UpperCAmelCase     , _UpperCAmelCase = None     , _UpperCAmelCase = 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        snake_case					(			self     , _UpperCAmelCase     , _UpperCAmelCase = None       ):
       A							:							Union[str, Any]				=    [self.sep_token_id]
       A							:							Tuple				=    [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        snake_case					(			self     , _UpperCAmelCase     , _UpperCAmelCase=False     , **_UpperCAmelCase       ):
       A							:							Optional[int]				=    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()):
           A							:							Tuple				=    ''' ''' + text
       return (text, kwargs)
