black formatting
Browse files- nfqa_model.py +19 -27
nfqa_model.py
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from typing import Sequence,
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import torch
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from torch import nn
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from torch.nn import
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from transformers import RobertaConfig
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from transformers.modeling_outputs import SequenceClassifierOutput
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from transformers.models.roberta.modeling_roberta import RobertaModel,
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class MishActivation(nn.Module):
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@@ -15,28 +15,24 @@ class MishActivation(nn.Module):
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class NFQAClassificationHead(nn.Module):
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def __init__(
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) -> None:
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super().__init__()
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self.linear_layers = nn.Sequential(
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*(nn.Linear(input_dim, dim) for dim in hidden_dims)
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)
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self.classification_layer = torch.nn.Linear(hidden_dims[-1], num_labels)
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self.activations = [MishActivation()] * len(hidden_dims)
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self.dropouts = [torch.nn.Dropout(p=dropout)] * len(hidden_dims)
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def forward(self, inputs: torch.Tensor) -> torch.Tensor:
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output = inputs
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for layer, activation, dropout in zip(
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self.linear_layers, self.activations, self.dropouts
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):
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output = dropout(activation(layer(output)))
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return self.classification_layer(output)
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class RobertaNFQAClassification(RobertaPreTrainedModel):
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_keys_to_ignore_on_load_missing = [r
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_DROPOUT = 0.0
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def __init__(self, config: RobertaConfig):
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@@ -51,19 +47,18 @@ class RobertaNFQAClassification(RobertaPreTrainedModel):
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self.init_weights()
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def forward(
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) -> Union[Tuple[torch.Tensor, ...], SequenceClassifierOutput]:
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r"""
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labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
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@@ -98,8 +93,5 @@ class RobertaNFQAClassification(RobertaPreTrainedModel):
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return ((loss,) + output) if loss is not None else output
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return SequenceClassifierOutput(
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loss=loss,
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logits=logits,
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hidden_states=outputs.hidden_states,
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attentions=outputs.attentions,
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)
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from typing import Optional, Sequence, Tuple, Union
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import torch
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from torch import nn
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from torch.nn import CrossEntropyLoss, functional
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from transformers import RobertaConfig
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from transformers.modeling_outputs import SequenceClassifierOutput
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from transformers.models.roberta.modeling_roberta import RobertaModel, RobertaPooler, RobertaPreTrainedModel
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class MishActivation(nn.Module):
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class NFQAClassificationHead(nn.Module):
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def __init__(
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self, input_dim: int, num_labels: int, hidden_dims: Sequence[int] = (768, 512), dropout: float = 0.0,
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) -> None:
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super().__init__()
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self.linear_layers = nn.Sequential(*(nn.Linear(input_dim, dim) for dim in hidden_dims))
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self.classification_layer = torch.nn.Linear(hidden_dims[-1], num_labels)
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self.activations = [MishActivation()] * len(hidden_dims)
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self.dropouts = [torch.nn.Dropout(p=dropout)] * len(hidden_dims)
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def forward(self, inputs: torch.Tensor) -> torch.Tensor:
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output = inputs
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for layer, activation, dropout in zip(self.linear_layers, self.activations, self.dropouts):
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output = dropout(activation(layer(output)))
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return self.classification_layer(output)
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class RobertaNFQAClassification(RobertaPreTrainedModel):
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_keys_to_ignore_on_load_missing = [r'position_ids']
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_DROPOUT = 0.0
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def __init__(self, config: RobertaConfig):
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self.init_weights()
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def forward(
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self,
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input_ids: Optional[torch.LongTensor] = None,
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attention_mask: Optional[torch.FloatTensor] = None,
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token_type_ids: Optional[torch.LongTensor] = None,
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position_ids: Optional[torch.LongTensor] = None,
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head_mask: Optional[torch.FloatTensor] = None,
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inputs_embeds: Optional[torch.FloatTensor] = None,
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labels: Optional[torch.LongTensor] = None,
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output_attentions: Optional[bool] = None,
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output_hidden_states: Optional[bool] = None,
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return_dict: Optional[bool] = None,
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) -> Union[Tuple[torch.Tensor, ...], SequenceClassifierOutput]:
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r"""
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labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
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return ((loss,) + output) if loss is not None else output
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return SequenceClassifierOutput(
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loss=loss, logits=logits, hidden_states=outputs.hidden_states, attentions=outputs.attentions,
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)
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