




from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_sentencepiece_available,
    is_tokenizers_available,
    is_torch_available,
)


_UpperCAmelCase		:  List[Any]	=   {"configuration_reformer": ["REFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP", "ReformerConfig"]}

try:
     if not is_sentencepiece_available():
          raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
     pass
else:
     _UpperCAmelCase		:  Optional[int]	=   ["ReformerTokenizer"]

try:
     if not is_tokenizers_available():
          raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
     pass
else:
     _UpperCAmelCase		:  int	=   ["ReformerTokenizerFast"]

try:
     if not is_torch_available():
          raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
     pass
else:
     _UpperCAmelCase		:  int	=   [
         "REFORMER_PRETRAINED_MODEL_ARCHIVE_LIST",
         "ReformerAttention",
         "ReformerForMaskedLM",
         "ReformerForQuestionAnswering",
         "ReformerForSequenceClassification",
         "ReformerLayer",
         "ReformerModel",
         "ReformerModelWithLMHead",
         "ReformerPreTrainedModel",
     ]


if TYPE_CHECKING:
     from .configuration_reformer import REFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP, ReformerConfig

     try:
          if not is_sentencepiece_available():
               raise OptionalDependencyNotAvailable()
     except OptionalDependencyNotAvailable:
          pass
     else:
          from .tokenization_reformer import ReformerTokenizer

     try:
          if not is_tokenizers_available():
               raise OptionalDependencyNotAvailable()
     except OptionalDependencyNotAvailable:
          pass
     else:
          from .tokenization_reformer_fast import ReformerTokenizerFast

     try:
          if not is_torch_available():
               raise OptionalDependencyNotAvailable()
     except OptionalDependencyNotAvailable:
          pass
     else:
          from .modeling_reformer import (
              REFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
              ReformerAttention,
              ReformerForMaskedLM,
              ReformerForQuestionAnswering,
              ReformerForSequenceClassification,
              ReformerLayer,
              ReformerModel,
              ReformerModelWithLMHead,
              ReformerPreTrainedModel,
          )

else:
     import sys

     _UpperCAmelCase		:  Union[str, Any]	=   _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)









import os
from shutil import copyfile
from typing import Any, Dict, List, Optional, Tuple

import sentencepiece as spm

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


_UpperCAmelCase		:  Any	=   logging.get_logger(__name__)

_UpperCAmelCase		:  List[Any]	=   {"vocab_file": "sentencepiece.bpe.model"}

_UpperCAmelCase		:  List[str]	=   {
    "vocab_file": {
        "camembert-base": "https://huggingface.co/camembert-base/resolve/main/sentencepiece.bpe.model",
    }
}

_UpperCAmelCase		:  Any	=   {
    "camembert-base": 512,
}

_UpperCAmelCase		:  List[Any]	=   "▁"




class       __lowerCAmelCase				(							lowerCAmelCase):
       _a           =  VOCAB_FILES_NAMES
       _a           =  PRETRAINED_VOCAB_FILES_MAP
       _a           =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
       _a           =  ['''input_ids''', '''attention_mask''']






       def __init__(      self:    List[str]				,    _lowerCAmelCase:    Optional[int]				,    _lowerCAmelCase:    Dict="<s>"				,    _lowerCAmelCase:    Union[str, Any]="</s>"				,    _lowerCAmelCase:    Optional[int]="</s>"				,    _lowerCAmelCase:    List[Any]="<s>"				,    _lowerCAmelCase:    Tuple="<unk>"				,    _lowerCAmelCase:    Union[str, Any]="<pad>"				,    _lowerCAmelCase:    str="<mask>"				,    _lowerCAmelCase:    int=["<s>NOTUSED", "</s>NOTUSED"]				,    _lowerCAmelCase:    Optional[Dict[str, Any]] = None				,    **_lowerCAmelCase:    Any				,    ):
         # Mask token behave like a normal word, i.e. include the space before it
         lowercase			:Dict							=  AddedToken(_lowerCAmelCase				,    lstrip=_lowerCAmelCase				,    rstrip=_lowerCAmelCase ) if isinstance(_lowerCAmelCase				,    _lowerCAmelCase ) else mask_token

         lowercase			:Optional[int]							=  {} if sp_model_kwargs is None else sp_model_kwargs

         super().__init__(
             bos_token=_lowerCAmelCase				,    eos_token=_lowerCAmelCase				,    unk_token=_lowerCAmelCase				,    sep_token=_lowerCAmelCase				,    cls_token=_lowerCAmelCase				,    pad_token=_lowerCAmelCase				,    mask_token=_lowerCAmelCase				,    additional_special_tokens=_lowerCAmelCase				,    sp_model_kwargs=self.sp_model_kwargs				,    **_lowerCAmelCase				,    )
         lowercase			:Dict							=  spm.SentencePieceProcessor(**self.sp_model_kwargs )
         self.sp_model.Load(str(_lowerCAmelCase ) )
         lowercase			:Tuple							=  vocab_file
         # HACK: These tokens were added by fairseq but don't seem to be actually used when duplicated in the actual
         # sentencepiece vocabulary (this is the case for <s> and </s>
         lowercase			:int							=  {"<s>NOTUSED": 0, "<pad>": 1, "</s>NOTUSED": 2, "<unk>": 3}
         lowercase			:Tuple							=  len(self.fairseq_tokens_to_ids )
         lowercase			:int							=  len(self.sp_model ) + len(self.fairseq_tokens_to_ids )
         lowercase			:Any							=  {v: k for k, v in self.fairseq_tokens_to_ids.items()}






       def     SCREAMING_SNAKE_CASE			(      self:    Tuple				,    _lowerCAmelCase:    List[int]				,    _lowerCAmelCase:    Optional[List[int]] = None ):

         if token_ids_a is None:
           return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
         lowercase			:List[Any]							=  [self.cls_token_id]
         lowercase			:List[str]							=  [self.sep_token_id]
         return cls + token_ids_a + sep + sep + token_ids_a + sep






       def     SCREAMING_SNAKE_CASE			(      self:    Dict				,    _lowerCAmelCase:    List[int]				,    _lowerCAmelCase:    Optional[List[int]] = None				,    _lowerCAmelCase:    bool = False ):
         if already_has_special_tokens:
           return super().get_special_tokens_mask(
               token_ids_a=_lowerCAmelCase				,    token_ids_a=_lowerCAmelCase				,    already_has_special_tokens=_lowerCAmelCase )

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






       def     SCREAMING_SNAKE_CASE			(      self:    Union[str, Any]				,    _lowerCAmelCase:    List[int]				,    _lowerCAmelCase:    Optional[List[int]] = None ):
         lowercase			:Any							=  [self.sep_token_id]
         lowercase			:str							=  [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]






       @property
       def     SCREAMING_SNAKE_CASE			(      self:    Union[str, Any] ):
         return len(self.fairseq_tokens_to_ids ) + len(self.sp_model )






       def     SCREAMING_SNAKE_CASE			(      self:    Tuple ):
         lowercase			:Any							=  {self.convert_ids_to_tokens(_lowerCAmelCase ): i for i in range(self.vocab_size )}
         vocab.update(self.added_tokens_encoder )
         return vocab






       def     SCREAMING_SNAKE_CASE			(      self:    int				,    _lowerCAmelCase:    str ):
         return self.sp_model.encode(_lowerCAmelCase				,    out_type=_lowerCAmelCase )






       def     SCREAMING_SNAKE_CASE			(      self:    Dict				,    _lowerCAmelCase:    List[str] ):
         if token in self.fairseq_tokens_to_ids:
           return self.fairseq_tokens_to_ids[token]
         elif self.sp_model.PieceToId(_lowerCAmelCase ) == 0:
           # Convert sentence piece unk token to fairseq unk token index
           return self.unk_token_id
         return self.fairseq_offset + self.sp_model.PieceToId(_lowerCAmelCase )






       def     SCREAMING_SNAKE_CASE			(      self:    str				,    _lowerCAmelCase:    Tuple ):
         if index in self.fairseq_ids_to_tokens:
           return self.fairseq_ids_to_tokens[index]
         return self.sp_model.IdToPiece(index - self.fairseq_offset )






       def     SCREAMING_SNAKE_CASE			(      self:    List[Any]				,    _lowerCAmelCase:    List[str] ):
         lowercase			:Tuple							=  []
         lowercase			:Any							=  ""
         lowercase			:str							=  False
         for token in tokens:
           # make sure that special tokens are not decoded using sentencepiece model
           if token in self.all_special_tokens:
             if not prev_is_special:
               out_string += " "
             out_string += self.sp_model.decode(_lowerCAmelCase ) + token
             lowercase			:Optional[int]							=  True
             lowercase			:Any							=  []
           else:
             current_sub_tokens.append(_lowerCAmelCase )
             lowercase			:str							=  False
         out_string += self.sp_model.decode(_lowerCAmelCase )
         return out_string.strip()






       def __getstate__(      self:    Dict ):
         lowercase			:int							=  self.__dict__.copy()
         lowercase			:List[str]							=  None
         return state






       def __setstate__(      self:    Optional[Any]				,    _lowerCAmelCase:    Dict ):
         lowercase			:int							=  d

         # for backward compatibility
         if not hasattr(self				,    "sp_model_kwargs" ):
           lowercase			:Optional[int]							=  {}

         lowercase			:List[str]							=  spm.SentencePieceProcessor(**self.sp_model_kwargs )
         self.sp_model.Load(self.vocab_file )






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

         if os.path.abspath(self.vocab_file ) != os.path.abspath(_lowerCAmelCase ) and os.path.isfile(self.vocab_file ):
           copyfile(self.vocab_file				,    _lowerCAmelCase )
         elif not os.path.isfile(self.vocab_file ):
           with open(_lowerCAmelCase				,    "wb" ) as fi:
             lowercase			:Dict							=  self.sp_model.serialized_model_proto()
             fi.write(_lowerCAmelCase )

         return (out_vocab_file,)



