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import pandas as pd | |
import numpy as np | |
import torch | |
from torch import nn | |
import torch.nn.functional as F | |
from logreg_model import bert_for_logreg, tokenizer_bert | |
from preprocess_bert import preprocess_bert | |
MAX_LEN = 100 | |
class BertTunnig(nn.Module): | |
def __init__(self, bert_model): | |
super().__init__() | |
self.bert = bert_model | |
for weights in self.bert.parameters(): | |
weights.requires_grad = False | |
self.fc1 = nn.Linear(768, 256) | |
self.drop1 = nn.Dropout(p=0.5) | |
self.fc2 = nn.Linear(256, 32) | |
self.fc_out = nn.Linear(32, 1) | |
def forward(self, x, attention_mask): | |
output = self.bert(x, attention_mask=attention_mask)[0][:, 0, :] | |
output = self.fc1(output) | |
output_drop = self.drop1(output) | |
output = self.fc2(output_drop) | |
output = self.fc_out(output) | |
return torch.sigmoid(output) | |
model_tunning = BertTunnig(bert_model=bert_for_logreg) | |
model_tunning.load_state_dict(torch.load('best_weights_berttinnug(2).pt')) | |
def predict_2(text): | |
preprocessed_text, attention_mask = preprocess_bert(text, MAX_LEN=MAX_LEN) | |
preprocessed_text, attention_mask = torch.tensor(preprocessed_text).unsqueeze(0), torch.tensor([attention_mask]) | |
with torch.inference_mode(): | |
predict = model_tunning(preprocessed_text, attention_mask=attention_mask).item() | |
return round(predict) |