




from typing import TYPE_CHECKING

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


lowerCamelCase	:	Tuple				=   {
    "configuration_vision_encoder_decoder": ["VisionEncoderDecoderConfig", "VisionEncoderDecoderOnnxConfig"]
}

try:
       if not is_torch_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       lowerCamelCase	:	List[str]				=   ["VisionEncoderDecoderModel"]

try:
       if not is_tf_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       lowerCamelCase	:	Union[str, Any]				=   ["TFVisionEncoderDecoderModel"]

try:
       if not is_flax_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       lowerCamelCase	:	List[str]				=   ["FlaxVisionEncoderDecoderModel"]

if TYPE_CHECKING:
       from .configuration_vision_encoder_decoder import VisionEncoderDecoderConfig, VisionEncoderDecoderOnnxConfig

       try:
              if not is_torch_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .modeling_vision_encoder_decoder import VisionEncoderDecoderModel

       try:
              if not is_tf_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .modeling_tf_vision_encoder_decoder import TFVisionEncoderDecoderModel

       try:
              if not is_flax_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .modeling_flax_vision_encoder_decoder import FlaxVisionEncoderDecoderModel

else:
       import sys

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





import warnings
from collections import OrderedDict
from typing import Any, Mapping, Optional

from ... import PreTrainedTokenizer
from ...configuration_utils import PretrainedConfig
from ...onnx import OnnxConfig, OnnxConfigWithPast, OnnxSeqaSeqConfigWithPast
from ...onnx.utils import compute_effective_axis_dimension
from ...utils import TensorType, is_torch_available, logging


lowerCamelCase	:	Optional[Any]				=   logging.get_logger(__name__)

lowerCamelCase	:	Optional[int]				=   {
    'facebook/bart-large': 'https://huggingface.co/facebook/bart-large/resolve/main/config.json',
    # See all BART models at https://huggingface.co/models?filter=bart
}




class 						__lowercase		(UpperCamelCase__							):




      """simple docstring"""





      _snake_case												=						"""bart"""
      _snake_case												=						["""past_key_values"""]
      _snake_case												=						{"""num_attention_heads""": """encoder_attention_heads""", """hidden_size""": """d_model"""}

      def __init__(				self    ,				A=5_0_2_6_5    ,				A=1_0_2_4    ,				A=1_2    ,				A=4_0_9_6    ,				A=1_6    ,				A=1_2    ,				A=4_0_9_6    ,				A=1_6    ,				A=0.0    ,				A=0.0    ,				A="gelu"    ,				A=1_0_2_4    ,				A=0.1    ,				A=0.0    ,				A=0.0    ,				A=0.02    ,				A=0.0    ,				A=False    ,				A=True    ,				A=3    ,				A=1    ,				A=0    ,				A=2    ,				A=True    ,				A=2    ,				A=2    ,				**A    ,				)		->    Any:
         snake_case				:    Optional[int]           =	vocab_size
         snake_case				:    Union[str, Any]           =	max_position_embeddings
         snake_case				:    List[str]           =	d_model
         snake_case				:    List[Any]           =	encoder_ffn_dim
         snake_case				:    Optional[Any]           =	encoder_layers
         snake_case				:    Union[str, Any]           =	encoder_attention_heads
         snake_case				:    str           =	decoder_ffn_dim
         snake_case				:    Union[str, Any]           =	decoder_layers
         snake_case				:    Any           =	decoder_attention_heads
         snake_case				:    Union[str, Any]           =	dropout
         snake_case				:    List[str]           =	attention_dropout
         snake_case				:    List[Any]           =	activation_dropout
         snake_case				:    Optional[int]           =	activation_function
         snake_case				:    Union[str, Any]           =	init_std
         snake_case				:    List[str]           =	encoder_layerdrop
         snake_case				:    int           =	decoder_layerdrop
         snake_case				:    str           =	classifier_dropout
         snake_case				:    List[str]           =	use_cache
         snake_case				:    Tuple           =	encoder_layers
         snake_case				:    int           =	scale_embedding  # scale factor will be sqrt(d_model) if True

         super().__init__(
             num_labels=A    ,				pad_token_id=A    ,				bos_token_id=A    ,				eos_token_id=A    ,				is_encoder_decoder=A    ,				decoder_start_token_id=A    ,				forced_eos_token_id=A    ,				**A    ,				)

         # ensure backward compatibility for BART CNN models
         if self.forced_bos_token_id is None and kwargs.get("""force_bos_token_to_be_generated"""    ,				A     ):
            snake_case				:    Any           =	self.bos_token_id
            warnings.warn(
                f"""Please make sure the config includes `forced_bos_token_id={self.bos_token_id}` in future versions. """
                """The config can simply be saved and uploaded again to be fixed."""     )




class 						__lowercase		(UpperCamelCase__							):




      """simple docstring"""





      @property
      def      UpperCAmelCase				(				self     )		->    Mapping[str, Mapping[int, str]]:
         if self.task in ["default", "seq2seq-lm"]:
            snake_case				:    Optional[Any]           =	OrderedDict(
                [
                    ("""input_ids""", {0: """batch""", 1: """encoder_sequence"""}),
                    ("""attention_mask""", {0: """batch""", 1: """encoder_sequence"""}),
                ]     )

            if self.use_past:
               snake_case				:    Tuple           =	{0: """batch"""}
               snake_case				:    List[Any]           =	{0: """batch""", 1: """past_decoder_sequence + sequence"""}
            else:
               snake_case				:    Union[str, Any]           =	{0: """batch""", 1: """decoder_sequence"""}
               snake_case				:    Any           =	{0: """batch""", 1: """decoder_sequence"""}

            if self.use_past:
               self.fill_with_past_key_values_(A    ,				direction="""inputs"""     )
         elif self.task == "causal-lm":
            # TODO: figure this case out.
            snake_case				:    Union[str, Any]           =	OrderedDict(
                [
                    ("""input_ids""", {0: """batch""", 1: """encoder_sequence"""}),
                    ("""attention_mask""", {0: """batch""", 1: """encoder_sequence"""}),
                ]     )
            if self.use_past:
               snake_case     , snake_case				:    List[Any]           =	self.num_layers
               for i in range(A     ):
                  snake_case				:    List[Any]           =	{0: """batch""", 2: """past_sequence + sequence"""}
                  snake_case				:    Optional[int]           =	{0: """batch""", 2: """past_sequence + sequence"""}
         else:
            snake_case				:    Union[str, Any]           =	OrderedDict(
                [
                    ("""input_ids""", {0: """batch""", 1: """encoder_sequence"""}),
                    ("""attention_mask""", {0: """batch""", 1: """encoder_sequence"""}),
                    ("""decoder_input_ids""", {0: """batch""", 1: """decoder_sequence"""}),
                    ("""decoder_attention_mask""", {0: """batch""", 1: """decoder_sequence"""}),
                ]     )

         return common_inputs

      @property
      def      UpperCAmelCase				(				self     )		->    Mapping[str, Mapping[int, str]]:
         if self.task in ["default", "seq2seq-lm"]:
            snake_case				:    Any           =	super().outputs
         else:
            snake_case				:    Any           =	super(A    ,				self     ).outputs
            if self.use_past:
               snake_case     , snake_case				:    Any           =	self.num_layers
               for i in range(A     ):
                  snake_case				:    Any           =	{0: """batch""", 2: """past_sequence + sequence"""}
                  snake_case				:    Union[str, Any]           =	{0: """batch""", 2: """past_sequence + sequence"""}
         return common_outputs

      def      UpperCAmelCase				(				self    ,				A    ,				A = -1    ,				A = -1    ,				A = False    ,				A = None    ,				)		->    Mapping[str, Any]:
         snake_case				:    Optional[Any]           =	self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
             A    ,				A    ,				A    ,				A    ,				A     )

         # Generate decoder inputs
         snake_case				:    Any           =	seq_length if not self.use_past else 1
         snake_case				:    List[str]           =	self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
             A    ,				A    ,				A    ,				A    ,				A     )
         snake_case				:    Optional[int]           =	{f"""decoder_{name}""": tensor for name, tensor in decoder_inputs.items()}
         snake_case				:    List[str]           =	dict(**A    ,				**A     )

         if self.use_past:
            if not is_torch_available():
               raise ValueError("""Cannot generate dummy past_keys inputs without PyTorch installed."""     )
            else:
               import torch
            snake_case     , snake_case				:    Optional[int]           =	common_inputs["""input_ids"""].shape
            snake_case				:    Any           =	common_inputs["""decoder_input_ids"""].shape[1]
            snake_case     , snake_case				:    Optional[Any]           =	self.num_attention_heads
            snake_case				:    Optional[int]           =	(
                batch,
                num_encoder_attention_heads,
                encoder_seq_length,
                self._config.hidden_size // num_encoder_attention_heads,
            )
            snake_case				:    Any           =	decoder_seq_length + 3
            snake_case				:    List[Any]           =	(
                batch,
                num_decoder_attention_heads,
                decoder_past_length,
                self._config.hidden_size // num_decoder_attention_heads,
            )

            snake_case				:    str           =	torch.cat(
                [common_inputs["""decoder_attention_mask"""], torch.ones(A    ,				A     )]    ,				dim=1     )

            snake_case				:    str           =	[]
            # If the number of encoder and decoder layers are present in the model configuration, both are considered
            snake_case     , snake_case				:    Any           =	self.num_layers
            snake_case				:    List[str]           =	min(A    ,				A     )
            snake_case				:    Dict           =	max(A    ,				A     ) - min_num_layers
            snake_case				:    List[str]           =	"""encoder""" if num_encoder_layers > num_decoder_layers else """decoder"""

            for _ in range(A     ):
               common_inputs["past_key_values"].append(
                   (
                       torch.zeros(A     ),
                       torch.zeros(A     ),
                       torch.zeros(A     ),
                       torch.zeros(A     ),
                   )     )
            # TODO: test this.
            snake_case				:    Tuple           =	encoder_shape if remaining_side_name == """encoder""" else decoder_shape
            for _ in range(A    ,				A     ):
               common_inputs["past_key_values"].append((torch.zeros(A     ), torch.zeros(A     ))     )
         return common_inputs

      def      UpperCAmelCase				(				self    ,				A    ,				A = -1    ,				A = -1    ,				A = False    ,				A = None    ,				)		->    Mapping[str, Any]:
         snake_case				:    str           =	self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
             A    ,				A    ,				A    ,				A    ,				A     )

         if self.use_past:
            if not is_torch_available():
               raise ValueError("""Cannot generate dummy past_keys inputs without PyTorch installed."""     )
            else:
               import torch
            snake_case     , snake_case				:    str           =	common_inputs["""input_ids"""].shape
            # Not using the same length for past_key_values
            snake_case				:    Optional[int]           =	seqlen + 2
            snake_case     , snake_case				:    Tuple           =	self.num_layers
            snake_case     , snake_case				:    Optional[Any]           =	self.num_attention_heads
            snake_case				:    Union[str, Any]           =	(
                batch,
                num_encoder_attention_heads,
                past_key_values_length,
                self._config.hidden_size // num_encoder_attention_heads,
            )

            snake_case				:    Optional[Any]           =	common_inputs["""attention_mask"""].dtype
            snake_case				:    int           =	torch.cat(
                [common_inputs["""attention_mask"""], torch.ones(A    ,				A    ,				dtype=A     )]    ,				dim=1     )
            snake_case				:    Union[str, Any]           =	[
                (torch.zeros(A     ), torch.zeros(A     )) for _ in range(A     )
            ]
         return common_inputs

      def      UpperCAmelCase				(				self    ,				A    ,				A = -1    ,				A = -1    ,				A = False    ,				A = None    ,				)		->    Mapping[str, Any]:
         # Copied from OnnxConfig.generate_dummy_inputs
         # Did not use super(OnnxConfigWithPast, self).generate_dummy_inputs for code clarity.
         # If dynamic axis (-1) we forward with a fixed dimension of 2 samples to avoid optimizations made by ONNX
         snake_case				:    int           =	compute_effective_axis_dimension(
             A    ,				fixed_dimension=OnnxConfig.default_fixed_batch    ,				num_token_to_add=0     )

         # If dynamic axis (-1) we forward with a fixed dimension of 8 tokens to avoid optimizations made by ONNX
         snake_case				:    int           =	tokenizer.num_special_tokens_to_add(A     )
         snake_case				:    Tuple           =	compute_effective_axis_dimension(
             A    ,				fixed_dimension=OnnxConfig.default_fixed_sequence    ,				num_token_to_add=A     )

         # Generate dummy inputs according to compute batch and sequence
         snake_case				:    int           =	[""" """.join([tokenizer.unk_token]     ) * seq_length] * batch_size
         snake_case				:    str           =	dict(tokenizer(A    ,				return_tensors=A     )     )
         return common_inputs

      def      UpperCAmelCase				(				self    ,				A    ,				A = -1    ,				A = -1    ,				A = False    ,				A = None    ,				)		->    Mapping[str, Any]:
         if self.task in ["default", "seq2seq-lm"]:
            snake_case				:    Optional[Any]           =	self._generate_dummy_inputs_for_default_and_seqaseq_lm(
                A    ,				batch_size=A    ,				seq_length=A    ,				is_pair=A    ,				framework=A     )

         elif self.task == "causal-lm":
            snake_case				:    Optional[int]           =	self._generate_dummy_inputs_for_causal_lm(
                A    ,				batch_size=A    ,				seq_length=A    ,				is_pair=A    ,				framework=A     )
         else:
            snake_case				:    List[Any]           =	self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
                A    ,				batch_size=A    ,				seq_length=A    ,				is_pair=A    ,				framework=A     )

         return common_inputs

      def      UpperCAmelCase				(				self    ,				A    ,				A    ,				A    ,				A     )		->    Union[str, Any]:
         if self.task in ["default", "seq2seq-lm"]:
            snake_case				:    Optional[Any]           =	super()._flatten_past_key_values_(A    ,				A    ,				A    ,				A     )
         else:
            snake_case				:    Union[str, Any]           =	super(A    ,				self     )._flatten_past_key_values_(
                A    ,				A    ,				A    ,				A     )





