import os
import re
import urllib.parse
from pathlib import Path
from typing import Callable, List, Optional, Union
from zipfile import ZipFile

from ..utils.file_utils import cached_path, hf_github_url
from ..utils.logging import get_logger
from ..utils.version import Version


__UpperCAmelCase												=get_logger(__name__)




class    a__				:
     lowerCamelCase  :					Optional[Any]							="dummy_data"
     lowerCamelCase  :					Dict							="datasets"
     lowerCamelCase  :					List[str]							=False






     def __init__(			self		:		Any  ,    a		:		str  ,    a		:		str  ,    a		:		Union[Version, str]  ,    a		:		Optional[str] = None  ,    a		:		bool = False  ,    a		:		bool = True  ,    a		:		Optional[List[Callable]] = None  ,    ):





         """simple docstring"""



         __lowerCamelCase          =  0
         __lowerCamelCase          =  dataset_name
         __lowerCamelCase          =  cache_dir
         __lowerCamelCase          =  use_local_dummy_data
         __lowerCamelCase          =  config
         # download_callbacks take a single url as input
         __lowerCamelCase          =  download_callbacks or []
         # if False, it doesn't load existing files and it returns the paths of the dummy files relative
         # to the dummy_data zip file root
         __lowerCamelCase          =  load_existing_dummy_data

         # TODO(PVP, QL) might need to make this more general
         __lowerCamelCase          =  str(a   )
         # to be downloaded
         __lowerCamelCase          =  None
         __lowerCamelCase          =  None






     @property
     def        SCREAMING_SNAKE_CASE__       (			self		:		Tuple   ):





         """simple docstring"""



         if self._dummy_file is None:
             __lowerCamelCase          =  self.download_dummy_data()
         return self._dummy_file






     @property
     def        SCREAMING_SNAKE_CASE__       (			self		:		Dict   ):





         """simple docstring"""



         if self.config is not None:
             # structure is dummy / config_name / version_name
             return os.path.join('''dummy'''  ,    self.config.name  ,    self.version_name   )
         # structure is dummy / version_name
         return os.path.join('''dummy'''  ,    self.version_name   )






     @property
     def        SCREAMING_SNAKE_CASE__       (			self		:		int   ):





         """simple docstring"""



         return os.path.join(self.dummy_data_folder  ,    '''dummy_data.zip'''   )






     def        SCREAMING_SNAKE_CASE__       (			self		:		Tuple   ):





         """simple docstring"""



         __lowerCamelCase          =  (
             self.local_path_to_dummy_data if self.use_local_dummy_data is True else self.github_path_to_dummy_data
         )

         __lowerCamelCase          =  cached_path(
             a  ,    cache_dir=self.cache_dir  ,    extract_compressed_file=a  ,    force_extract=a   )

         return os.path.join(a  ,    self.dummy_file_name   )






     @property
     def        SCREAMING_SNAKE_CASE__       (			self		:		str   ):





         """simple docstring"""



         return os.path.join(self.datasets_scripts_dir  ,    self.dataset_name  ,    self.dummy_zip_file   )






     @property
     def        SCREAMING_SNAKE_CASE__       (			self		:		List[str]   ):





         """simple docstring"""



         if self._bucket_url is None:
             __lowerCamelCase          =  hf_github_url(self.dataset_name  ,    self.dummy_zip_file.replace(os.sep  ,    '''/'''   )   )
         return self._bucket_url






     @property
     def        SCREAMING_SNAKE_CASE__       (			self		:		List[Any]   ):





         """simple docstring"""



         if os.path.isdir(self.dummy_file   ):
             return self.dummy_file
         # else cut off path to file -> example `xsum`.
         return "/".join(self.dummy_file.replace(os.sep  ,    '''/'''   ).split('''/'''   )[:-1]   )






     def        SCREAMING_SNAKE_CASE__       (			self		:		int  ,    a		:		Tuple  ,    *a		:		List[str]   ):





         """simple docstring"""



         if self.load_existing_dummy_data:
             # dummy data is downloaded and tested
             __lowerCamelCase          =  self.dummy_file
         else:
             # dummy data cannot be downloaded and only the path to dummy file is returned
             __lowerCamelCase          =  self.dummy_file_name

         # special case when data_url is a dict
         if isinstance(a  ,    a   ):
             return self.create_dummy_data_dict(a  ,    a   )
         elif isinstance(a  ,    (list, tuple)   ):
             return self.create_dummy_data_list(a  ,    a   )
         else:
             return self.create_dummy_data_single(a  ,    a   )






     def        SCREAMING_SNAKE_CASE__       (			self		:		Any  ,    a		:		Union[str, Any]  ,    *a		:		List[Any]   ):





         """simple docstring"""



         return self.download_and_extract(a   )






     def        SCREAMING_SNAKE_CASE__       (			self		:		Tuple  ,    a		:		Tuple  ,    a		:		Any   ):





         """simple docstring"""



         return self.download_and_extract(a   )






     def        SCREAMING_SNAKE_CASE__       (			self		:		Optional[Any]  ,    a		:		int  ,    *a		:		Tuple  ,    **a		:		int   ):





         """simple docstring"""



         return path






     def        SCREAMING_SNAKE_CASE__       (			self		:		Optional[Any]   ):





         """simple docstring"""



         return {}






     def        SCREAMING_SNAKE_CASE__       (			self		:		str  ,    a		:		Any  ,    a		:		List[Any]   ):





         """simple docstring"""



         __lowerCamelCase          =  {}
         for key, single_urls in data_url.items():
             for download_callback in self.download_callbacks:
                 if isinstance(a  ,    a   ):
                     for single_url in single_urls:
                         download_callback(a   )
                 else:
                     __lowerCamelCase          =  single_urls
                     download_callback(a   )
            # we force the name of each key to be the last file / folder name of the url path
            # if the url has arguments, we need to encode them with urllib.parse.quote_plus
             if isinstance(a  ,    a   ):
                 __lowerCamelCase          =  [os.path.join(a  ,    urllib.parse.quote_plus(Path(a   ).name   )   ) for x in single_urls]
             else:
                 __lowerCamelCase          =  single_urls
                 __lowerCamelCase          =  os.path.join(a  ,    urllib.parse.quote_plus(Path(a   ).name   )   )
             __lowerCamelCase          =  value

         # make sure that values are unique
         if all(isinstance(a  ,    a   ) for i in dummy_data_dict.values()   ) and len(set(dummy_data_dict.values()   )   ) < len(
             dummy_data_dict.values()   ):
             # append key to value to make its name unique
             __lowerCamelCase          =  {key: value + key for key, value in dummy_data_dict.items()}

         return dummy_data_dict






     def        SCREAMING_SNAKE_CASE__       (			self		:		Optional[int]  ,    a		:		Dict  ,    a		:		Optional[int]   ):





         """simple docstring"""



         __lowerCamelCase          =  []
         # trick: if there are many shards named like `data.txt-000001-of-00300`, only use the first one
         __lowerCamelCase          =  all(bool(re.findall('''[0-9]{3,}-of-[0-9]{3,}'''  ,    a   )   ) for url in data_url   )
         __lowerCamelCase          =  all(
             url.startswith('''https://ftp.ncbi.nlm.nih.gov/pubmed/baseline/pubmed'''   ) for url in data_url   )
         if data_url and (is_tf_records or is_pubmed_records):
             __lowerCamelCase          =  [data_url[0]] * len(a   )
         for single_url in data_url:
             for download_callback in self.download_callbacks:
                 download_callback(a   )
             # we force the name of each key to be the last file / folder name of the url path
             # if the url has arguments, we need to encode them with urllib.parse.quote_plus
             __lowerCamelCase          =  os.path.join(a  ,    urllib.parse.quote_plus(single_url.split('''/'''   )[-1]   )   )
             dummy_data_list.append(a   )
         return dummy_data_list






     def        SCREAMING_SNAKE_CASE__       (			self		:		Dict  ,    a		:		Dict  ,    a		:		Union[str, Any]   ):





         """simple docstring"""



         for download_callback in self.download_callbacks:
             download_callback(a   )
         # we force the name of each key to be the last file / folder name of the url path
         # if the url has arguments, we need to encode them with urllib.parse.quote_plus
         __lowerCamelCase          =  os.path.join(a  ,    urllib.parse.quote_plus(data_url.split('''/'''   )[-1]   )   )
         if os.path.exists(a   ) or not self.load_existing_dummy_data:
             return value
         else:
             # Backward compatibility, maybe deprecate at one point.
             # For many datasets with single url calls to dl_manager.download_and_extract,
             # the dummy_data.zip file is actually the zipped downloaded file
             # while now we expected the dummy_data.zip file to be a directory containing
             # the downloaded file.
             return path_to_dummy_data






     def        SCREAMING_SNAKE_CASE__       (			self		:		Any   ):





         """simple docstring"""



         pass






     def        SCREAMING_SNAKE_CASE__       (			self		:		Tuple   ):





         """simple docstring"""



         pass






     def        SCREAMING_SNAKE_CASE__       (			self		:		List[Any]  ,    a		:		str   ):





         """simple docstring"""



         def _iter_archive_members(a		:		List[str]   ):
             # this preserves the order of the members inside the ZIP archive
             __lowerCamelCase          =  Path(self.dummy_file   ).parent
             __lowerCamelCase          =  path.relative_to(a   )
             with ZipFile(self.local_path_to_dummy_data   ) as zip_file:
                 __lowerCamelCase          =  zip_file.namelist()
             for member in members:
                 if member.startswith(relative_path.as_posix()   ):
                     yield dummy_parent_path.joinpath(a   )

         __lowerCamelCase          =  Path(a   )
         __lowerCamelCase          =  _iter_archive_members(a   ) if self.use_local_dummy_data else path.rglob('''*'''   )
         for file_path in file_paths:
             if file_path.is_file() and not file_path.name.startswith(('''.''', '''__''')   ):
                 yield file_path.relative_to(a   ).as_posix(), file_path.open('''rb'''   )






     def        SCREAMING_SNAKE_CASE__       (			self		:		Tuple  ,    a		:		Dict   ):





         """simple docstring"""



         if not isinstance(a  ,    a   ):
             __lowerCamelCase          =  [paths]
         for path in paths:
             if os.path.isfile(a   ):
                 if os.path.basename(a   ).startswith(('''.''', '''__''')   ):
                     return
                 yield path
             else:
                 for dirpath, dirnames, filenames in os.walk(a   ):
                     if os.path.basename(a   ).startswith(('''.''', '''__''')   ):
                         continue
                     dirnames.sort()
                     for filename in sorted(a   ):
                         if filename.startswith(('''.''', '''__''')   ):
                             continue
                         yield os.path.join(a  ,    a   )

'''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


__UpperCAmelCase												=logging.get_logger(__name__)


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

__UpperCAmelCase												={
    "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"
        ),
    },
}

__UpperCAmelCase												={
    "allenai/longformer-base-4096": 4_0_9_6,
    "allenai/longformer-large-4096": 4_0_9_6,
    "allenai/longformer-large-4096-finetuned-triviaqa": 4_0_9_6,
    "allenai/longformer-base-4096-extra.pos.embd.only": 4_0_9_6,
    "allenai/longformer-large-4096-extra.pos.embd.only": 4_0_9_6,
}






@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def __lowerCAmelCase			(							)     ->   Optional[int]:
    __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__    )     ->   List[str]:
    __lowerCamelCase          =  set()
    __lowerCamelCase          =  word[0]
    for char in word[1:]:
        pairs.add((prev_char, char)    )
        __lowerCamelCase          =  char
    return pairs




class    a__				(       UpperCAmelCase__			):
     lowerCamelCase  :					Dict							=VOCAB_FILES_NAMES
     lowerCamelCase  :					Optional[Any]							=PRETRAINED_VOCAB_FILES_MAP
     lowerCamelCase  :					Union[str, Any]							=PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
     lowerCamelCase  :					List[Any]							=["input_ids", "attention_mask"]






     def __init__(			self		:		str  ,    a		:		List[str]  ,    a		:		Any  ,    a		:		Optional[int]="replace"  ,    a		:		List[Any]="<s>"  ,    a		:		List[str]="</s>"  ,    a		:		Dict="</s>"  ,    a		:		str="<s>"  ,    a		:		Union[str, Any]="<unk>"  ,    a		:		Any="<pad>"  ,    a		:		Union[str, Any]="<mask>"  ,    a		:		Dict=False  ,    **a		:		int  ,    ):





         """simple docstring"""



         __lowerCamelCase          =  AddedToken(a  ,    lstrip=a  ,    rstrip=a   ) if isinstance(a  ,    a   ) else bos_token
         __lowerCamelCase          =  AddedToken(a  ,    lstrip=a  ,    rstrip=a   ) if isinstance(a  ,    a   ) else eos_token
         __lowerCamelCase          =  AddedToken(a  ,    lstrip=a  ,    rstrip=a   ) if isinstance(a  ,    a   ) else sep_token
         __lowerCamelCase          =  AddedToken(a  ,    lstrip=a  ,    rstrip=a   ) if isinstance(a  ,    a   ) else cls_token
         __lowerCamelCase          =  AddedToken(a  ,    lstrip=a  ,    rstrip=a   ) if isinstance(a  ,    a   ) else unk_token
         __lowerCamelCase          =  AddedToken(a  ,    lstrip=a  ,    rstrip=a   ) if isinstance(a  ,    a   ) else pad_token

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

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

         with open(a  ,    encoding='''utf-8'''   ) as vocab_handle:
             __lowerCamelCase          =  json.load(a   )
         __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(a  ,    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(a  ,    range(len(a   )   )   )   )
         __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        SCREAMING_SNAKE_CASE__       (			self		:		Union[str, Any]   ):





         """simple docstring"""



         return len(self.encoder   )






     def        SCREAMING_SNAKE_CASE__       (			self		:		List[str]   ):





         """simple docstring"""



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






     def        SCREAMING_SNAKE_CASE__       (			self		:		Union[str, Any]  ,    a		:		int   ):





         """simple docstring"""



         if token in self.cache:
             return self.cache[token]
         __lowerCamelCase          =  tuple(a   )
         __lowerCamelCase          =  get_pairs(a   )

         if not pairs:
             return token

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






     def        SCREAMING_SNAKE_CASE__       (			self		:		str  ,    a		:		Optional[Any]   ):





         """simple docstring"""



         __lowerCamelCase          =  []
         for token in re.findall(self.pat  ,    a   ):
             __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(a   ).split(''' '''   )   )
         return bpe_tokens






     def        SCREAMING_SNAKE_CASE__       (			self		:		Optional[int]  ,    a		:		Tuple   ):





         """simple docstring"""



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






     def        SCREAMING_SNAKE_CASE__       (			self		:		Any  ,    a		:		Tuple   ):





         """simple docstring"""



         return self.decoder.get(a   )






     def        SCREAMING_SNAKE_CASE__       (			self		:		List[Any]  ,    a		:		Union[str, Any]   ):





         """simple docstring"""



         __lowerCamelCase          =  ''''''.join(a   )
         __lowerCamelCase          =  bytearray([self.byte_decoder[c] for c in text]   ).decode('''utf-8'''  ,    errors=self.errors   )
         return text






     def        SCREAMING_SNAKE_CASE__       (			self		:		List[str]  ,    a		:		str  ,    a		:		Optional[str] = None   ):





         """simple docstring"""



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

         __lowerCamelCase          =  0
         with open(a  ,    '''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 a   : 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(a   ) + '''\n'''   )
                 index += 1

         return vocab_file, merge_file






     def        SCREAMING_SNAKE_CASE__       (			self		:		Tuple  ,    a		:		List[int]  ,    a		:		Optional[List[int]] = None   ):





         """simple docstring"""



         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        SCREAMING_SNAKE_CASE__       (			self		:		Dict  ,    a		:		List[int]  ,    a		:		Optional[List[int]] = None  ,    a		:		bool = False   ):





         """simple docstring"""



         if already_has_special_tokens:
             return super().get_special_tokens_mask(
                 token_ids_a=a  ,    token_ids_a=a  ,    already_has_special_tokens=a   )

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






     def        SCREAMING_SNAKE_CASE__       (			self		:		List[str]  ,    a		:		List[int]  ,    a		:		Optional[List[int]] = None   ):





         """simple docstring"""



         __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        SCREAMING_SNAKE_CASE__       (			self		:		Tuple  ,    a		:		Dict  ,    a		:		Any=False  ,    **a		:		Any   ):





         """simple docstring"""



         __lowerCamelCase          =  kwargs.pop('''add_prefix_space'''  ,    self.add_prefix_space   )
         if (is_split_into_words or add_prefix_space) and (len(a   ) > 0 and not text[0].isspace()):
             __lowerCamelCase          =  ''' ''' + text
         return (text, kwargs)
