





'''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


__lowerCAmelCase							:	Tuple			=logging.get_logger(__name__)


__lowerCAmelCase							:	Optional[int]			={"vocab_file": "vocab.json", "merges_file": "merges.txt"}

__lowerCAmelCase							:	Dict			={
    "vocab_file": {
        "allenai/longformer-base-4096": "https://huggingface.co/allenai/longformer-base-4096/resolve/main/vocab.json",
        "allenai/longformer-large-4096": (
            "https://huggingface.co/allenai/longformer-large-4096/resolve/main/vocab.json"
        ),
        "allenai/longformer-large-4096-finetuned-triviaqa": (
            "https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/vocab.json"
        ),
        "allenai/longformer-base-4096-extra.pos.embd.only": (
            "https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/vocab.json"
        ),
        "allenai/longformer-large-4096-extra.pos.embd.only": (
            "https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/vocab.json"
        ),
    },
    "merges_file": {
        "allenai/longformer-base-4096": "https://huggingface.co/allenai/longformer-base-4096/resolve/main/merges.txt",
        "allenai/longformer-large-4096": (
            "https://huggingface.co/allenai/longformer-large-4096/resolve/main/merges.txt"
        ),
        "allenai/longformer-large-4096-finetuned-triviaqa": (
            "https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/merges.txt"
        ),
        "allenai/longformer-base-4096-extra.pos.embd.only": (
            "https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/merges.txt"
        ),
        "allenai/longformer-large-4096-extra.pos.embd.only": (
            "https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/merges.txt"
        ),
    },
}

__lowerCAmelCase							:	List[str]			={
    "allenai/longformer-base-4096": 4096,
    "allenai/longformer-large-4096": 4096,
    "allenai/longformer-large-4096-finetuned-triviaqa": 4096,
    "allenai/longformer-base-4096-extra.pos.embd.only": 4096,
    "allenai/longformer-large-4096-extra.pos.embd.only": 4096,
}





@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def 						UpperCamelCase				(							):
    A__				=			(
        list(range(ord("!"       )						,       ord("~"       ) + 1       )       ) + list(range(ord("¡"       )						,       ord("¬"       ) + 1       )       ) + list(range(ord("®"       )						,       ord("ÿ"       ) + 1       )       )
    )
    A__				=			bs[:]
    A__				=			0
    for b in range(2**8       ):
        if b not in bs:
            bs.append(_lowerCamelCase       )
            cs.append(2**8 + n       )
            n += 1
    A__				=			[chr(_lowerCamelCase       ) for n in cs]
    return dict(zip(_lowerCamelCase						,       _lowerCamelCase       )       )





def 						UpperCamelCase				(							_lowerCamelCase					:					List[Any]       ):
    A__				=			set()
    A__				=			word[0]
    for char in word[1:]:
        pairs.add((prev_char, char)       )
        A__				=			char
    return pairs






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

     # Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
     A__				=			re.compile(R"'s|'t|'re|'ve|'m|'ll|'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+"							)
 @property
 def      UpperCAmelCase_							(				self      :List[str]							)->							str:
     return len(self.encoder							)
 def      UpperCAmelCase_							(				self      :Tuple							)->							Tuple:
     return dict(self.encoder						,       **self.added_tokens_encoder							)
 def      UpperCAmelCase_							(				self      :List[Any]						,       lowercase_      :int							)->							Optional[Any]:
     if token in self.cache:
         return self.cache[token]
     A__				=			tuple(lowercase_							)
     A__				=			get_pairs(lowercase_							)

     if not pairs:
         return token

     while True:
         A__				=			min(lowercase_						,       key=lambda lowercase_							: self.bpe_ranks.get(lowercase_						,       float("inf"							)							)							)
         if bigram not in self.bpe_ranks:
             break
         A__,	A__				=			bigram
         A__				=			[]
         A__				=			0
         while i < len(lowercase_							):
             try:
                 A__				=			word.index(lowercase_						,       lowercase_							)
             except ValueError:
                 new_word.extend(word[i:]							)
                 break
             else:
                 new_word.extend(word[i:j]							)
                 A__				=			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
         A__				=			tuple(lowercase_							)
         A__				=			new_word
         if len(lowercase_							) == 1:
             break
         else:
             A__				=			get_pairs(lowercase_							)
     A__				=			" ".join(lowercase_							)
     A__				=			word
     return word
 def      UpperCAmelCase_							(				self      :Tuple						,       lowercase_      :Union[str, Any]							)->							str:
     A__				=			[]
     for token in re.findall(self.pat						,       lowercase_							):
         A__				=			"".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      UpperCAmelCase_							(				self      :Dict						,       lowercase_      :List[Any]							)->							Optional[Any]:
     return self.encoder.get(lowercase_						,       self.encoder.get(self.unk_token							)							)
 def      UpperCAmelCase_							(				self      :Union[str, Any]						,       lowercase_      :Optional[int]							)->							Optional[Any]:
     return self.decoder.get(lowercase_							)
 def      UpperCAmelCase_							(				self      :List[str]						,       lowercase_      :List[str]							)->							Tuple:
     A__				=			"".join(lowercase_							)
     A__				=			bytearray([self.byte_decoder[c] for c in text]							).decode("utf-8"						,       errors=self.errors							)
     return text
 def      UpperCAmelCase_							(				self      :int						,       lowercase_      :str						,       lowercase_      :Optional[str] = None							)->							Tuple[str]:
     if not os.path.isdir(lowercase_							):
         logger.error(F"Vocabulary path ({save_directory}) should be a directory"							)
         return
     A__				=			os.path.join(
         lowercase_						,       (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"]							)
     A__				=			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"							)

     A__				=			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!"							)
                 A__				=			token_index
             writer.write(" ".join(lowercase_							) + "\n"							)
             index += 1

     return vocab_file, merge_file
 def      UpperCAmelCase_							(				self      :int						,       lowercase_      :List[int]						,       lowercase_      :Optional[List[int]] = None							)->							List[int]:
     if token_ids_a is None:
         return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
     A__				=			[self.cls_token_id]
     A__				=			[self.sep_token_id]
     return cls + token_ids_a + sep + sep + token_ids_a + sep
 def      UpperCAmelCase_							(				self      :Dict						,       lowercase_      :List[int]						,       lowercase_      :Optional[List[int]] = None						,       lowercase_      :bool = 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      UpperCAmelCase_							(				self      :Optional[Any]						,       lowercase_      :List[int]						,       lowercase_      :Optional[List[int]] = None							)->							List[int]:
     A__				=			[self.sep_token_id]
     A__				=			[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      UpperCAmelCase_							(				self      :List[Any]						,       lowercase_      :str						,       lowercase_      :List[str]=False						,       **lowercase_      :Any							)->							Dict:
     A__				=			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()):
         A__				=			" " + text
     return (text, kwargs)










'''simple docstring'''

import warnings


warnings.warn(
    "memory_utils has been reorganized to utils.memory. Import `find_executable_batchsize` from the main `__init__`: "
    "`from accelerate import find_executable_batch_size` to avoid this warning.",
    FutureWarning,
)



