
'''simple docstring'''
from typing import TYPE_CHECKING

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


a_     =  {
    "configuration_led": ["LED_PRETRAINED_CONFIG_ARCHIVE_MAP", "LEDConfig"],
    "tokenization_led": ["LEDTokenizer"],
}

try:
      if not is_tokenizers_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      a_     =  ["LEDTokenizerFast"]

try:
      if not is_torch_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      a_     =  [
          "LED_PRETRAINED_MODEL_ARCHIVE_LIST",
          "LEDForConditionalGeneration",
          "LEDForQuestionAnswering",
          "LEDForSequenceClassification",
          "LEDModel",
          "LEDPreTrainedModel",
      ]


try:
      if not is_tf_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      a_     =  ["TFLEDForConditionalGeneration", "TFLEDModel", "TFLEDPreTrainedModel"]


if TYPE_CHECKING:
      from .configuration_led import LED_PRETRAINED_CONFIG_ARCHIVE_MAP, LEDConfig
      from .tokenization_led import LEDTokenizer

      try:
            if not is_tokenizers_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .tokenization_led_fast import LEDTokenizerFast

      try:
            if not is_torch_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .modeling_led import (
                LED_PRETRAINED_MODEL_ARCHIVE_LIST,
                LEDForConditionalGeneration,
                LEDForQuestionAnswering,
                LEDForSequenceClassification,
                LEDModel,
                LEDPreTrainedModel,
            )

      try:
            if not is_tf_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .modeling_tf_led import TFLEDForConditionalGeneration, TFLEDModel, TFLEDPreTrainedModel

else:
      import sys

      a_     =  _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)






'''simple docstring'''
from typing import Dict, List, Optional, Tuple

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


a_     =  logging.get_logger(__name__)






class 				UpperCAmelCase_			(		snake_case__   ):
 UpperCAmelCase_						      =  ["""input_ids""", """attention_mask"""]





 def __init__(      self	,    lowercase_="[PAD]"	,    lowercase_="[BOS]"	,    lowercase_="[EOS]"	,    lowercase_="[MASK]"	,    lowercase_="[CLS]"	,    lowercase_="[SEP]"	,    lowercase_=20_48	,    **lowercase_	,    ):
     snake_case_	:      int            =  AddedToken(lowercase_	,    lstrip=lowercase_	,    rstrip=lowercase_) if isinstance(lowercase_	,    lowercase_) else pad_token
     snake_case_	:      List[str]            =  AddedToken(lowercase_	,    lstrip=lowercase_	,    rstrip=lowercase_) if isinstance(lowercase_	,    lowercase_) else bos_token
     snake_case_	:      Tuple            =  AddedToken(lowercase_	,    lstrip=lowercase_	,    rstrip=lowercase_) if isinstance(lowercase_	,    lowercase_) else eos_token
     snake_case_	:      Optional[Any]            =  AddedToken(lowercase_	,    lstrip=lowercase_	,    rstrip=lowercase_) if isinstance(lowercase_	,    lowercase_) else mask_token
     snake_case_	:      List[str]            =  AddedToken(lowercase_	,    lstrip=lowercase_	,    rstrip=lowercase_) if isinstance(lowercase_	,    lowercase_) else cls_token
     snake_case_	:      int            =  AddedToken(lowercase_	,    lstrip=lowercase_	,    rstrip=lowercase_) if isinstance(lowercase_	,    lowercase_) else sep_token

     super().__init__(
         pad_token=lowercase_	,    bos_token=lowercase_	,    eos_token=lowercase_	,    mask_token=lowercase_	,    cls_token=lowercase_	,    sep_token=lowercase_	,    model_max_length=lowercase_	,    **lowercase_	,    )

     snake_case_	:      Dict            =  2**8  # utf is 8 bits

     # define special tokens dict
     snake_case_	:      Dict[str, int]            =  {
         self.pad_token: 0,
         self.bos_token: 1,
         self.eos_token: 2,
         self.mask_token: 3,
         self.cls_token: 4,
         self.sep_token: 5,
     }
     snake_case_	:      Dict            =  len(self.special_tokens_encoder)
     snake_case_	:      Dict[int, str]            =  {v: k for k, v in self.special_tokens_encoder.items()}





 def     snake_case__						(      self):
     snake_case_	:      str            =  self.special_tokens_encoder.copy()
     vocab.update(self.added_tokens_encoder)
     for i in range(self._utf_vocab_size):
         snake_case_	:      Tuple            =  chr(lowercase_)
         snake_case_	:      Optional[Any]            =  i + len(self.special_tokens_encoder)
     return vocab





 @property
 def     snake_case__						(      self):
     return self._utf_vocab_size + self._num_special_tokens





 def     snake_case__						(      self	,    lowercase_	,    lowercase_ = None	,    lowercase_ = False):
     if already_has_special_tokens:
         return super().get_special_tokens_mask(
             token_ids_a=lowercase_	,    token_ids_a=lowercase_	,    already_has_special_tokens=lowercase_)

     # normal case: some special tokens
     if token_ids_a is None:
         return [1] + [0] * len(lowercase_) + [1]
     return [1] + ([0] * len(lowercase_)) + [1] + ([0] * len(lowercase_)) + [1]





 def     snake_case__						(      self	,    lowercase_	,    lowercase_ = None):
     if token_ids_a is None:
         return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
     else:
         return [self.cls_token_id] + token_ids_a + [self.sep_token_id] + token_ids_a + [self.sep_token_id]





 def     snake_case__						(      self	,    lowercase_):
     snake_case_	:      Tuple            =  [chr(lowercase_) for i in text.encode("utf-8")]
     return tokens





 def     snake_case__						(      self	,    lowercase_):
     if token in self.special_tokens_encoder:
         snake_case_	:      Optional[int]            =  self.special_tokens_encoder[token]
     elif token in self.added_tokens_encoder:
         snake_case_	:      str            =  self.added_tokens_encoder[token]
     elif len(lowercase_) != 1:
         snake_case_	:      Union[str, Any]            =  self.unk_token_id
     else:
         snake_case_	:      Optional[Any]            =  ord(lowercase_) + self._num_special_tokens
     return token_id





 def     snake_case__						(      self	,    lowercase_):
     if index in self.special_tokens_decoder:
         snake_case_	:      Optional[Any]            =  self.special_tokens_decoder[index]
     elif index in self.added_tokens_decoder:
         snake_case_	:      List[str]            =  self.added_tokens_decoder[index]
     else:
         snake_case_	:      Union[str, Any]            =  chr(index - self._num_special_tokens)
     return token





 def     snake_case__						(      self	,    lowercase_):
     snake_case_	:      str            =  b""
     for token in tokens:
         if token in self.special_tokens_decoder:
             snake_case_	:      List[Any]            =  self.special_tokens_decoder[token].encode("utf-8")
         elif token in self.added_tokens_decoder:
             snake_case_	:      Any            =  self.special_tokens_decoder[token].encode("utf-8")
         elif token in self.special_tokens_encoder:
             snake_case_	:      Union[str, Any]            =  token.encode("utf-8")
         elif token in self.added_tokens_encoder:
             snake_case_	:      Any            =  token.encode("utf-8")
         else:
             snake_case_	:      Union[str, Any]            =  bytes([ord(lowercase_)])
         bstring += tok_string
     snake_case_	:      Union[str, Any]            =  bstring.decode("utf-8"	,    errors="replace")
     return string





 def     snake_case__						(      self	,    lowercase_	,    lowercase_ = None):
     return ()




