

import torch
from torch import nn
from torch.nn import CrossEntropyLoss, MSELoss

from ....modeling_outputs import BaseModelOutputWithPooling, SequenceClassifierOutput
from ....modeling_utils import ModuleUtilsMixin
from ....utils import add_start_docstrings, add_start_docstrings_to_model_forward, logging, replace_return_docstrings


UpperCamelCase__					: Any								=      logging.get_logger(__name__)

UpperCamelCase__					: Any								=      "MMBTConfig"



class  __snake_case					(      nn.Module    ):

  def __init__(   self  ,						_A  ,						_A  ,						_A):
      super().__init__()
      SCREAMING_SNAKE_CASE_													=  config
      SCREAMING_SNAKE_CASE_													=  encoder
      SCREAMING_SNAKE_CASE_													=  nn.Linear(config.modal_hidden_size  ,						config.hidden_size)
      SCREAMING_SNAKE_CASE_													=  embeddings.position_embeddings
      SCREAMING_SNAKE_CASE_													=  embeddings.token_type_embeddings
      SCREAMING_SNAKE_CASE_													=  embeddings.word_embeddings
      SCREAMING_SNAKE_CASE_													=  embeddings.LayerNorm
      SCREAMING_SNAKE_CASE_													=  nn.Dropout(p=config.hidden_dropout_prob)


  def   lowerCAmelCase__       (   self  ,						_A  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None):
      SCREAMING_SNAKE_CASE_													=  self.proj_embeddings(self.encoder(_A))
      SCREAMING_SNAKE_CASE_													=  token_embeddings.size(1)

      if start_token is not None:
          SCREAMING_SNAKE_CASE_													=  self.word_embeddings(_A)
          seq_length += 1
          SCREAMING_SNAKE_CASE_													=  torch.cat([start_token_embeds.unsqueeze(1), token_embeddings]  ,						dim=1)

      if end_token is not None:
          SCREAMING_SNAKE_CASE_													=  self.word_embeddings(_A)
          seq_length += 1
          SCREAMING_SNAKE_CASE_													=  torch.cat([token_embeddings, end_token_embeds.unsqueeze(1)]  ,						dim=1)

      if position_ids is None:
          SCREAMING_SNAKE_CASE_													=  torch.arange(_A  ,						dtype=torch.long  ,						device=input_modal.device)
          SCREAMING_SNAKE_CASE_													=  position_ids.unsqueeze(0).expand(input_modal.size(0)  ,						_A)

      if token_type_ids is None:
          SCREAMING_SNAKE_CASE_													=  torch.zeros(
              (input_modal.size(0), seq_length)  ,						dtype=torch.long  ,						device=input_modal.device)

      SCREAMING_SNAKE_CASE_													=  self.position_embeddings(_A)
      SCREAMING_SNAKE_CASE_													=  self.token_type_embeddings(_A)
      SCREAMING_SNAKE_CASE_													=  token_embeddings + position_embeddings + token_type_embeddings
      SCREAMING_SNAKE_CASE_													=  self.LayerNorm(_A)
      SCREAMING_SNAKE_CASE_													=  self.dropout(_A)
      return embeddings






UpperCamelCase__					: List[Any]								=      r"\n    MMBT model was proposed in [Supervised Multimodal Bitransformers for Classifying Images and\n    Text](https://github.com/facebookresearch/mmbt) by Douwe Kiela, Suvrat Bhooshan, Hamed Firooz, Davide Testuggine.\n    It's a supervised multimodal bitransformer model that fuses information from text and other image encoders, and\n    obtain state-of-the-art performance on various multimodal classification benchmark tasks.\n\n    This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the\n    library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads\n    etc.)\n\n    This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.\n    Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage\n    and behavior.\n\n    Parameters:\n        config ([`MMBTConfig`]): Model configuration class with all the parameters of the model.\n            Initializing with a config file does not load the weights associated with the model, only the\n            configuration.\n        transformer (`nn.Module`): A text transformer that is used by MMBT.\n            It should have embeddings, encoder, and pooler attributes.\n        encoder (`nn.Module`): Encoder for the second modality.\n            It should take in a batch of modal inputs and return k, n dimension embeddings.\n"

UpperCamelCase__					: str								=      r"\n    Args:\n        input_modal (`torch.FloatTensor` of shape `(batch_size, ***)`):\n            The other modality data. It will be the shape that the encoder for that type expects. e.g. With an Image\n            Encoder, the shape would be (batch_size, channels, height, width)\n        input_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`):\n            Indices of input sequence tokens in the vocabulary. It does not expect [CLS] token to be added as it's\n            appended to the end of other modality embeddings. Indices can be obtained using [`AutoTokenizer`]. See\n            [`PreTrainedTokenizer.encode`] and [`PreTrainedTokenizer.__call__`] for details.\n\n            [What are input IDs?](../glossary#input-ids)\n        modal_start_tokens (`torch.LongTensor` of shape `(batch_size,)`, *optional*):\n            Optional start token to be added to Other Modality Embedding. [CLS] Most commonly used for classification\n            tasks.\n        modal_end_tokens (`torch.LongTensor` of shape `(batch_size,)`, *optional*):\n            Optional end token to be added to Other Modality Embedding. [SEP] Most commonly used.\n        attention_mask (*optional*) `torch.FloatTensor` of shape `(batch_size, sequence_length)`:\n            Mask to avoid performing attention on padding token indices. Mask values selected in `[0, 1]`:\n\n            - 1 for tokens that are **not masked**,\n            - 0 for tokens that are **masked**.\n\n            [What are attention masks?](../glossary#attention-mask)\n        token_type_ids (*optional*) `torch.LongTensor` of shape `(batch_size, sequence_length)`:\n            Segment token indices to indicate first and second portions of the inputs. Indices are selected in `[0,\n            1]`:\n\n            - 0 corresponds to a *sentence A* token,\n            - 1 corresponds to a *sentence B* token.\n\n            [What are token type IDs?](../glossary#token-type-ids)\n        modal_token_type_ids (*optional*) `torch.LongTensor` of shape `(batch_size, modal_sequence_length)`:\n            Segment token indices to indicate different portions of the non-text modality. The embeddings from these\n            tokens will be summed with the respective token embeddings for the non-text modality.\n        position_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):\n            Indices of positions of each input sequence tokens in the position embeddings. Selected in the range `[0,\n            config.max_position_embeddings - 1]`.\n\n            [What are position IDs?](../glossary#position-ids)\n        modal_position_ids (`torch.LongTensor` of shape `(batch_size, modal_sequence_length)`, *optional*):\n            Indices of positions of each input sequence tokens in the position embeddings for the non-text modality.\n            Selected in the range `[0, config.max_position_embeddings - 1]`.\n\n            [What are position IDs?](../glossary#position-ids)\n        head_mask (`torch.FloatTensor` of shape `(num_heads,)` or `(num_layers, num_heads)`, *optional*):\n            Mask to nullify selected heads of the self-attention modules. Mask values selected in `[0, 1]`:\n\n            - 1 indicates the head is **not masked**,\n            - 0 indicates the head is **masked**.\n\n        inputs_embeds (`torch.FloatTensor` of shape `(batch_size, sequence_length, embedding_dim)`, *optional*):\n            Optionally, instead of passing `input_ids` you can choose to directly pass an embedded representation. This\n            is useful if you want more control over how to convert `input_ids` indices into associated vectors than the\n            model's internal embedding lookup matrix.\n        encoder_hidden_states (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`, *optional*):\n            Sequence of hidden-states at the output of the last layer of the encoder. Used in the cross-attention if\n            the model is configured as a decoder.\n        encoder_attention_mask (`torch.FloatTensor` of shape `(batch_size, sequence_length)`, *optional*):\n            Mask to avoid performing attention on the padding token indices of the encoder input. This mask is used in\n            the cross-attention if the model is configured as a decoder. Mask values selected in `[0, 1]`:\n\n            - 1 for tokens that are **not masked**,\n            - 0 for tokens that are **masked**.\n\n        output_attentions (`bool`, *optional*):\n            Whether or not to return the attentions tensors of all attention layers. See `attentions` under returned\n            tensors for more detail.\n        output_hidden_states (`bool`, *optional*):\n            Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for\n            more detail.\n        return_dict (`bool`, *optional*):\n            Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.\n"



@add_start_docstrings(
    'The bare MMBT Model outputting raw hidden-states without any specific head on top.'       ,	lowerCAmelCase__       ,	)
class  __snake_case					(      nn.Module       ,	lowerCAmelCase__    ):

  def __init__(   self  ,						_A  ,						_A  ,						_A):
      super().__init__()
      SCREAMING_SNAKE_CASE_													=  config
      SCREAMING_SNAKE_CASE_													=  transformer
      SCREAMING_SNAKE_CASE_													=  ModalEmbeddings(_A  ,						_A  ,						transformer.embeddings)

  @add_start_docstrings_to_model_forward(_A)
  @replace_return_docstrings(output_type=_A  ,						config_class=_CONFIG_FOR_DOC)
  def   lowerCAmelCase__       (   self  ,						_A  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						):
      SCREAMING_SNAKE_CASE_													=  output_attentions if output_attentions is not None else self.config.output_attentions
      SCREAMING_SNAKE_CASE_													=  (
          output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
      )
      SCREAMING_SNAKE_CASE_													=  return_dict if return_dict is not None else self.config.use_return_dict

      if input_ids is not None and inputs_embeds is not None:
          raise ValueError('You cannot specify both input_ids and inputs_embeds at the same time')
      elif input_ids is not None:
          SCREAMING_SNAKE_CASE_													=  input_ids.size()
      elif inputs_embeds is not None:
          SCREAMING_SNAKE_CASE_													=  inputs_embeds.size()[:-1]
      else:
          raise ValueError('You have to specify either input_ids or inputs_embeds')

      SCREAMING_SNAKE_CASE_													=  input_ids.device if input_ids is not None else inputs_embeds.device

      SCREAMING_SNAKE_CASE_													=  self.modal_encoder(
          _A  ,						start_token=_A  ,						end_token=_A  ,						position_ids=_A  ,						token_type_ids=_A  ,						)

      SCREAMING_SNAKE_CASE_													=  modal_embeddings.size()[:-1]

      if token_type_ids is None:
          SCREAMING_SNAKE_CASE_													=  torch.ones(_A  ,						dtype=torch.long  ,						device=_A)

      SCREAMING_SNAKE_CASE_													=  self.transformer.embeddings(
          input_ids=_A  ,						position_ids=_A  ,						token_type_ids=_A  ,						inputs_embeds=_A)

      SCREAMING_SNAKE_CASE_													=  torch.cat([modal_embeddings, txt_embeddings]  ,						1)

      SCREAMING_SNAKE_CASE_													=  embedding_output.size()[:-1]

      if attention_mask is None:
          SCREAMING_SNAKE_CASE_													=  torch.ones(_A  ,						device=_A)
      else:
          SCREAMING_SNAKE_CASE_													=  torch.cat(
              [torch.ones(_A  ,						device=_A  ,						dtype=torch.long), attention_mask]  ,						dim=1)
      if encoder_attention_mask is None:
          SCREAMING_SNAKE_CASE_													=  torch.ones(_A  ,						device=_A)
      else:
          SCREAMING_SNAKE_CASE_													=  torch.cat(
              [torch.ones(_A  ,						device=_A), encoder_attention_mask]  ,						dim=1)

      SCREAMING_SNAKE_CASE_													=  self.get_extended_attention_mask(_A  ,						_A)
      SCREAMING_SNAKE_CASE_													=  self.invert_attention_mask(_A)
      SCREAMING_SNAKE_CASE_													=  self.get_head_mask(_A  ,						self.config.num_hidden_layers)

      SCREAMING_SNAKE_CASE_													=  self.transformer.encoder(
          _A  ,						attention_mask=_A  ,						head_mask=_A  ,						encoder_hidden_states=_A  ,						encoder_attention_mask=_A  ,						output_attentions=_A  ,						output_hidden_states=_A  ,						return_dict=_A  ,						)

      SCREAMING_SNAKE_CASE_													=  encoder_outputs[0]
      SCREAMING_SNAKE_CASE_													=  self.transformer.pooler(_A)

      if not return_dict:
          return (sequence_output, pooled_output) + encoder_outputs[1:]

      return BaseModelOutputWithPooling(
          last_hidden_state=_A  ,						pooler_output=_A  ,						hidden_states=encoder_outputs.hidden_states  ,						attentions=encoder_outputs.attentions  ,						)

  def   lowerCAmelCase__       (   self):
      return self.embeddings.word_embeddings


  def   lowerCAmelCase__       (   self  ,						_A):
      SCREAMING_SNAKE_CASE_													=  value






@add_start_docstrings(
    '\n    MMBT Model with a sequence classification/regression head on top (a linear layer on top of the pooled output)\n    '       ,	lowerCAmelCase__       ,	lowerCAmelCase__       ,	)
class  __snake_case					(      nn.Module    ):

  def __init__(   self  ,						_A  ,						_A  ,						_A):
      super().__init__()
      SCREAMING_SNAKE_CASE_													=  config.num_labels

      SCREAMING_SNAKE_CASE_													=  MMBTModel(_A  ,						_A  ,						_A)
      SCREAMING_SNAKE_CASE_													=  nn.Dropout(config.hidden_dropout_prob)
      SCREAMING_SNAKE_CASE_													=  nn.Linear(config.hidden_size  ,						config.num_labels)


  def   lowerCAmelCase__       (   self  ,						_A  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						_A=None  ,						):
      SCREAMING_SNAKE_CASE_													=  return_dict if return_dict is not None else self.config.use_return_dict

      SCREAMING_SNAKE_CASE_													=  self.mmbt(
          input_modal=_A  ,						input_ids=_A  ,						modal_start_tokens=_A  ,						modal_end_tokens=_A  ,						attention_mask=_A  ,						token_type_ids=_A  ,						modal_token_type_ids=_A  ,						position_ids=_A  ,						modal_position_ids=_A  ,						head_mask=_A  ,						inputs_embeds=_A  ,						return_dict=_A  ,						)

      SCREAMING_SNAKE_CASE_													=  outputs[1]

      SCREAMING_SNAKE_CASE_													=  self.dropout(_A)
      SCREAMING_SNAKE_CASE_													=  self.classifier(_A)

      SCREAMING_SNAKE_CASE_													=  None
      if labels is not None:
          if self.num_labels == 1:
              #  We are doing regression
              SCREAMING_SNAKE_CASE_													=  MSELoss()
              SCREAMING_SNAKE_CASE_													=  loss_fct(logits.view(-1)  ,						labels.view(-1))
          else:
              SCREAMING_SNAKE_CASE_													=  CrossEntropyLoss()
              SCREAMING_SNAKE_CASE_													=  loss_fct(logits.view(-1  ,						self.num_labels)  ,						labels.view(-1))

      if not return_dict:
          SCREAMING_SNAKE_CASE_													=  (logits,) + outputs[2:]
          return ((loss,) + output) if loss is not None else output

      return SequenceClassifierOutput(
          loss=_A  ,						logits=_A  ,						hidden_states=outputs.hidden_states  ,						attentions=outputs.attentions  ,						)





from sklearn.metrics import mean_absolute_error

import datasets


UpperCamelCase__					: Union[str, Any]								=      "\\n@article{scikit-learn,\n title={Scikit-learn: Machine Learning in {P}ython},\n author={Pedregosa, F. and Varoquaux, G. and Gramfort, A. and Michel, V.\n         and Thirion, B. and Grisel, O. and Blondel, M. and Prettenhofer, P.\n         and Weiss, R. and Dubourg, V. and Vanderplas, J. and Passos, A. and\n         Cournapeau, D. and Brucher, M. and Perrot, M. and Duchesnay, E.},\n journal={Journal of Machine Learning Research},\n volume={12},\n pages={2825--2830},\n year={2011}\n}\n"

UpperCamelCase__					: Optional[Any]								=      "\\nMean Absolute Error (MAE) is the mean of the magnitude of difference between the predicted and actual\nvalues.\n"


UpperCamelCase__					: Tuple								=      "\nArgs:\n    predictions: array-like of shape (n_samples,) or (n_samples, n_outputs)\n        Estimated target values.\n    references: array-like of shape (n_samples,) or (n_samples, n_outputs)\n        Ground truth (correct) target values.\n    sample_weight: array-like of shape (n_samples,), default=None\n        Sample weights.\n    multioutput: {\"raw_values\", \"uniform_average\"} or array-like of shape (n_outputs,), default=\"uniform_average\"\n        Defines aggregating of multiple output values. Array-like value defines weights used to average errors.\n\n                 \"raw_values\" : Returns a full set of errors in case of multioutput input.\n\n                 \"uniform_average\" : Errors of all outputs are averaged with uniform weight.\n\nReturns:\n    mae : mean absolute error.\n        If multioutput is \"raw_values\", then mean absolute error is returned for each output separately. If multioutput is \"uniform_average\" or an ndarray of weights, then the weighted average of all output errors is returned.\n        MAE output is non-negative floating point. The best value is 0.0.\nExamples:\n\n    >>> mae_metric = datasets.load_metric(\"mae\")\n    >>> predictions = [2.5, 0.0, 2, 8]\n    >>> references = [3, -0.5, 2, 7]\n    >>> results = mae_metric.compute(predictions=predictions, references=references)\n    >>> print(results)\n    {'mae': 0.5}\n\n    If you're using multi-dimensional lists, then set the config as follows :\n\n    >>> mae_metric = datasets.load_metric(\"mae\", \"multilist\")\n    >>> predictions = [[0.5, 1], [-1, 1], [7, -6]]\n    >>> references = [[0, 2], [-1, 2], [8, -5]]\n    >>> results = mae_metric.compute(predictions=predictions, references=references)\n    >>> print(results)\n    {'mae': 0.75}\n    >>> results = mae_metric.compute(predictions=predictions, references=references, multioutput='raw_values')\n    >>> print(results)\n    {'mae': array([0.5, 1. ])}\n"



@datasets.utils.file_utils.add_start_docstrings(_DESCRIPTION       ,	_KWARGS_DESCRIPTION    )
class  __snake_case					(      datasets.Metric    ):

  def   lowerCAmelCase__       (   self):
      return datasets.MetricInfo(
          description=_DESCRIPTION  ,						citation=_CITATION  ,						inputs_description=_KWARGS_DESCRIPTION  ,						features=datasets.Features(self._get_feature_types())  ,						reference_urls=[
              'https://scikit-learn.org/stable/modules/generated/sklearn.metrics.mean_absolute_error.html'
          ]  ,						)

  def   lowerCAmelCase__       (   self):
      if self.config_name == "multilist":
          return {
              "predictions": datasets.Sequence(datasets.Value('float')),
              "references": datasets.Sequence(datasets.Value('float')),
          }
      else:
          return {
              "predictions": datasets.Value('float'),
              "references": datasets.Value('float'),
          }


  def   lowerCAmelCase__       (   self  ,						_A  ,						_A  ,						_A=None  ,						_A="uniform_average"):
      SCREAMING_SNAKE_CASE_													=  mean_absolute_error(_A  ,						_A  ,						sample_weight=_A  ,						multioutput=_A)

      return {"mae": mae_score}


