from model import SentimentModel
from transformers import AutoTokenizer, AutoModel
import pandas as pd
import csv
import torch
s = ["Negative", "Random", "Positive"]
bert_model = AutoModel.from_pretrained('google/bert_uncased_L-4_H-256_A-4')
bert_tokenizer = AutoTokenizer.from_pretrained(
'google/bert_uncased_L-4_H-256_A-4')
model = SentimentModel(bert_model)
model.freeze_weights()
model.lstm.load_state_dict(torch.load('rnn.pth'))
model.layers.load_state_dict(torch.load('checkpoint.pth'))
model.eval()
f = open('result.csv', 'w', newline='')
out_file = csv.writer(f)
data = pd.read_csv('results_ocr.csv')
out_file.writerow(['Filename', 'Category'])
for idx, row in data.iterrows():
if type(row['Text']) == float:
out_file.writerow([row['Filename'], "Random"])
else:
scores = model([row['Text']], bert_tokenizer)
sentiment = torch.argmax(torch.exp(scores), dim=1)
out_file.writerow([row['Filename'], s[sentiment]])
def predict():
# kfold type of data input
data = pd.read_csv(config.TEST_FILE)
data['Label_encoded'] = 0
data['Sentiment_encoded'] = 0
df_test = data
test_data = CommentData(comments=df_test['Comment'],
labels=df_test['Label_encoded'],
sentiments=df_test['Sentiment_encoded'])
test_dataloader = torch.utils.data.DataLoader(
test_data,
batch_size=config.TEST_BATCH_SIZE,
# num_workers = 4
)
# model
device = torch.device('cuda')
model_config = BertConfig.from_pretrained(config.BERT_PATH)
model_config.output_hidden_states = True
model0 = SentimentModel(model_config, config.OUTPUT_SIZE_SENTIMENT)
model0.to(device)
# model0 = nn.DataParallel(model0)
model0.load_state_dict(torch.load(config.SAVED_MODEL_PATH +
'/model_0.bin'))
model0.eval()
model1 = SentimentModel(model_config, config.OUTPUT_SIZE_SENTIMENT)
model1.to(device)
# model1 = nn.DataParallel(model1)
model1.load_state_dict(torch.load(config.SAVED_MODEL_PATH +
'/model_1.bin'))
model1.eval()
model2 = SentimentModel(model_config, config.OUTPUT_SIZE_SENTIMENT)
model2.to(device)
# model2 = nn.DataParallel(model2)
model2.load_state_dict(torch.load(config.SAVED_MODEL_PATH +
'/model_2.bin'))
model2.eval()
model3 = SentimentModel(model_config, config.OUTPUT_SIZE_SENTIMENT)
model3.to(device)
# model3 = nn.DataParallel(model3)
model3.load_state_dict(torch.load(config.SAVED_MODEL_PATH +
'/model_3.bin'))
model3.eval()
model4 = SentimentModel(model_config, config.OUTPUT_SIZE_SENTIMENT)
model4.to(device)
# model4 = nn.DataParallel(model4)
model4.load_state_dict(torch.load(config.SAVED_MODEL_PATH +
'/model_4.bin'))
model4.eval()
# process raw output
model_prediction = []
with torch.no_grad():
tq0 = tqdm(test_dataloader, total=len(test_dataloader))
for bi, data in tqdm(enumerate(tq0)):
# load data / ready to input
input_ids = data['input_ids']
token_type_ids = data['token_type_ids']
attention_mask = data['attention_mask']
label = data['label']
sentiment = data['sentiment']
# prepare input data
input_ids = input_ids.to(device, dtype=torch.long)
token_type_ids = token_type_ids.to(device, dtype=torch.long)
attention_mask = attention_mask.to(device, dtype=torch.long)
label = label.to(device, dtype=torch.long)
sentiment = sentiment.to(device, dtype=torch.long)
# forward(self, ids, mask, type_ids)
out0 = model0(ids=input_ids,
mask=attention_mask,
type_ids=token_type_ids)
out1 = model1(ids=input_ids,
mask=attention_mask,
type_ids=token_type_ids)
out2 = model2(ids=input_ids,
mask=attention_mask,
type_ids=token_type_ids)
out3 = model3(ids=input_ids,
mask=attention_mask,
type_ids=token_type_ids)
out4 = model4(ids=input_ids,
mask=attention_mask,
type_ids=token_type_ids)
out = (out0 + out1 + out2 + out3 + out4) / 5
out = torch.softmax(out, dim=1).cpu().detach().numpy()
for ix, result in enumerate(out):
pred = np.argmax(result)
model_prediction.append(pred)
sample = pd.read_csv(config.TEST_FILE)
sample['sentiment_pred'] = model_prediction
sample.to_csv(config.OUTPUT_PATH + '/pred_sentiment.csv', index=False)