Delete app.py
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app.py
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import streamlit as st
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import torch
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import numpy as np
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import transformers
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import pickle
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def load_model():
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model_finetuned = transformers.AutoModel.from_pretrained(
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"nghuyong/ernie-2.0-base-en",
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output_attentions = False,
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output_hidden_states = False
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)
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model_finetuned.load_state_dict(torch.load('ErnieModel_imdb.pt', map_location=torch.device('cpu')))
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tokenizer = transformers.AutoTokenizer.from_pretrained("nghuyong/ernie-2.0-base-en")
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return model_finetuned, tokenizer
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def preprocess_text(text_input, max_len, tokenizer):
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input_tokens = tokenizer(
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text_input,
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return_tensors='pt',
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padding=True,
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max_length=max_len,
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truncation = True
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)
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return input_tokens
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def predict_sentiment(model, input_tokens):
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id2label = {0: "NEGATIVE", 1: "POSITIVE"}
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output = model(**input_tokens).pooler_output.detach().numpy()
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with open('LogReg_imdb_Ernie.pkl', 'rb') as file:
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cls = pickle.load(file)
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result = id2label[int(cls.predict(output))]
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return result
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st.title('Text sentiment analysis by ErnieModel')
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max_len = st.slider('Maximum word length', 0, 500, 250)
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text_input = st.text_input("Enter some text about movie")
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model, tokenizer = load_model()
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if text_input:
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input_tokens = preprocess_text(text_input, max_len, tokenizer)
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output = predict_sentiment(model, input_tokens)
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st.write(output)
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