
from typing import TYPE_CHECKING

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


_lowerCamelCase           ={
    """configuration_gpt2""": ["""GPT2_PRETRAINED_CONFIG_ARCHIVE_MAP""", """GPT2Config""", """GPT2OnnxConfig"""],
    """tokenization_gpt2""": ["""GPT2Tokenizer"""],
}

try:
    if not is_tokenizers_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _lowerCamelCase           =["""GPT2TokenizerFast"""]

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _lowerCamelCase           =[
        """GPT2_PRETRAINED_MODEL_ARCHIVE_LIST""",
        """GPT2DoubleHeadsModel""",
        """GPT2ForQuestionAnswering""",
        """GPT2ForSequenceClassification""",
        """GPT2ForTokenClassification""",
        """GPT2LMHeadModel""",
        """GPT2Model""",
        """GPT2PreTrainedModel""",
        """load_tf_weights_in_gpt2""",
    ]

try:
    if not is_tf_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _lowerCamelCase           =[
        """TF_GPT2_PRETRAINED_MODEL_ARCHIVE_LIST""",
        """TFGPT2DoubleHeadsModel""",
        """TFGPT2ForSequenceClassification""",
        """TFGPT2LMHeadModel""",
        """TFGPT2MainLayer""",
        """TFGPT2Model""",
        """TFGPT2PreTrainedModel""",
    ]

try:
    if not is_keras_nlp_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _lowerCamelCase           =["""TFGPT2Tokenizer"""]

try:
    if not is_flax_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _lowerCamelCase           =["""FlaxGPT2LMHeadModel""", """FlaxGPT2Model""", """FlaxGPT2PreTrainedModel"""]

if TYPE_CHECKING:
    from .configuration_gpta import GPT2_PRETRAINED_CONFIG_ARCHIVE_MAP, GPTaConfig, GPTaOnnxConfig
    from .tokenization_gpta import GPTaTokenizer

    try:
        if not is_tokenizers_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .tokenization_gpta_fast import GPTaTokenizerFast

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_gpta import (
            GPT2_PRETRAINED_MODEL_ARCHIVE_LIST,
            GPTaDoubleHeadsModel,
            GPTaForQuestionAnswering,
            GPTaForSequenceClassification,
            GPTaForTokenClassification,
            GPTaLMHeadModel,
            GPTaModel,
            GPTaPreTrainedModel,
            load_tf_weights_in_gpta,
        )

    try:
        if not is_tf_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_tf_gpta import (
            TF_GPT2_PRETRAINED_MODEL_ARCHIVE_LIST,
            TFGPTaDoubleHeadsModel,
            TFGPTaForSequenceClassification,
            TFGPTaLMHeadModel,
            TFGPTaMainLayer,
            TFGPTaModel,
            TFGPTaPreTrainedModel,
        )

    try:
        if not is_keras_nlp_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .tokenization_gpta_tf import TFGPTaTokenizer

    try:
        if not is_flax_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_flax_gpta import FlaxGPTaLMHeadModel, FlaxGPTaModel, FlaxGPTaPreTrainedModel

else:
    import sys

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






from typing import Dict, List, Optional, Tuple

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


_lowerCamelCase           =logging.get_logger(__name__)





class 							A__	(			__SCREAMING_SNAKE_CASE):
      _UpperCAmelCase       :					Tuple					 =    ["""input_ids""", """attention_mask"""]
      def __init__(   self					,						__magic_name__="[PAD]"					,						__magic_name__="[BOS]"					,						__magic_name__="[EOS]"					,						__magic_name__="[MASK]"					,						__magic_name__="[CLS]"					,						__magic_name__="[SEP]"					,						__magic_name__=2_0_4_8					,						**__magic_name__					,						):
       lowerCamelCase	:			List[str]           =   AddedToken(__magic_name__					,						lstrip=__magic_name__					,						rstrip=__magic_name__   ) if isinstance(__magic_name__					,						__magic_name__   ) else pad_token
       lowerCamelCase	:			Dict           =   AddedToken(__magic_name__					,						lstrip=__magic_name__					,						rstrip=__magic_name__   ) if isinstance(__magic_name__					,						__magic_name__   ) else bos_token
       lowerCamelCase	:			Any           =   AddedToken(__magic_name__					,						lstrip=__magic_name__					,						rstrip=__magic_name__   ) if isinstance(__magic_name__					,						__magic_name__   ) else eos_token
       lowerCamelCase	:			Any           =   AddedToken(__magic_name__					,						lstrip=__magic_name__					,						rstrip=__magic_name__   ) if isinstance(__magic_name__					,						__magic_name__   ) else mask_token
       lowerCamelCase	:			Any           =   AddedToken(__magic_name__					,						lstrip=__magic_name__					,						rstrip=__magic_name__   ) if isinstance(__magic_name__					,						__magic_name__   ) else cls_token
       lowerCamelCase	:			Optional[Any]           =   AddedToken(__magic_name__					,						lstrip=__magic_name__					,						rstrip=__magic_name__   ) if isinstance(__magic_name__					,						__magic_name__   ) else sep_token

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

       lowerCamelCase	:			List[Any]           =   2**8  # utf is 8 bits

       # define special tokens dict
       lowerCamelCase	:			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,
       }
       lowerCamelCase	:			Optional[int]           =   len(self.special_tokens_encoder   )
       lowerCamelCase	:			Dict[int, str]           =   {v: k for k, v in self.special_tokens_encoder.items()}
      def 		UpperCamelCase__							(   self   ):
       lowerCamelCase	:			List[str]           =   self.special_tokens_encoder.copy()
       vocab.update(self.added_tokens_encoder   )
       for i in range(self._utf_vocab_size   ):
        lowerCamelCase	:			List[Any]           =   chr(__magic_name__   )
        lowerCamelCase	:			Union[str, Any]           =   i + len(self.special_tokens_encoder   )
       return vocab
      @property
      def 		UpperCamelCase__							(   self   ):
       return self._utf_vocab_size + self._num_special_tokens
      def 		UpperCamelCase__							(   self					,						__magic_name__					,						__magic_name__ = None					,						__magic_name__ = False   ):
       if already_has_special_tokens:
        return super().get_special_tokens_mask(
            token_ids_a=__magic_name__					,						token_ids_a=__magic_name__					,						already_has_special_tokens=__magic_name__   )

       # normal case: some special tokens
       if token_ids_a is None:
        return [1] + [0] * len(__magic_name__   ) + [1]
       return [1] + ([0] * len(__magic_name__   )) + [1] + ([0] * len(__magic_name__   )) + [1]
      def 		UpperCamelCase__							(   self					,						__magic_name__					,						__magic_name__ = 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 		UpperCamelCase__							(   self					,						__magic_name__   ):
       lowerCamelCase	:			Optional[int]           =   [chr(__magic_name__   ) for i in text.encode("""utf-8"""   )]
       return tokens
      def 		UpperCamelCase__							(   self					,						__magic_name__   ):
       if token in self.special_tokens_encoder:
        lowerCamelCase	:			List[str]           =   self.special_tokens_encoder[token]
       elif token in self.added_tokens_encoder:
        lowerCamelCase	:			List[Any]           =   self.added_tokens_encoder[token]
       elif len(__magic_name__   ) != 1:
        lowerCamelCase	:			Union[str, Any]           =   self.unk_token_id
       else:
        lowerCamelCase	:			int           =   ord(__magic_name__   ) + self._num_special_tokens
       return token_id
      def 		UpperCamelCase__							(   self					,						__magic_name__   ):
       if index in self.special_tokens_decoder:
        lowerCamelCase	:			Union[str, Any]           =   self.special_tokens_decoder[index]
       elif index in self.added_tokens_decoder:
        lowerCamelCase	:			List[str]           =   self.added_tokens_decoder[index]
       else:
        lowerCamelCase	:			Optional[int]           =   chr(index - self._num_special_tokens   )
       return token
      def 		UpperCamelCase__							(   self					,						__magic_name__   ):
       lowerCamelCase	:			List[Any]           =   b""""""
       for token in tokens:
        if token in self.special_tokens_decoder:
         lowerCamelCase	:			List[str]           =   self.special_tokens_decoder[token].encode("""utf-8"""   )
        elif token in self.added_tokens_decoder:
         lowerCamelCase	:			Optional[int]           =   self.special_tokens_decoder[token].encode("""utf-8"""   )
        elif token in self.special_tokens_encoder:
         lowerCamelCase	:			Tuple           =   token.encode("""utf-8"""   )
        elif token in self.added_tokens_encoder:
         lowerCamelCase	:			Union[str, Any]           =   token.encode("""utf-8"""   )
        else:
         lowerCamelCase	:			Dict           =   bytes([ord(__magic_name__   )]   )
        bstring += tok_string
       lowerCamelCase	:			Any           =   bstring.decode("""utf-8"""					,						errors="""replace"""   )
       return string






      def 		UpperCamelCase__							(   self					,						__magic_name__					,						__magic_name__ = None   ):
       return ()




