Delete app.py
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app.py
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from transformers import T5Tokenizer, T5ForConditionalGeneration
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import streamlit as st
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tokenizer = T5Tokenizer.from_pretrained("google/flan-t5-large")
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model = T5ForConditionalGeneration.from_pretrained("google/flan-t5-large")
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def llm_response(prompt):
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input_ids = tokenizer(prompt, return_tensors="pt").input_ids
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outputs = model.generate(input_ids, max_length=300, do_sample=True, temperature=0.1)
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return tokenizer.decode(outputs[0])[6:-4]
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def predict_review_sentiment(review):
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sys_prompt = """
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Categorize the sentiment of the customer review as positive, negative, or neutral.
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Leverage your expertise in the aviation industry and deep understanding of industry trends to analyze the nuanced expressions and overall tone.
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It is crucial to accurately identify neutral sentiments, which may indicate a balanced view or neutral stance towards Us Airways. Neutral expressions could involve factual statements without explicit positive or negative opinions.
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Consider the importance of these neutral sentiments in gauging the public sentiment towards the airline company.
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For instance, a positive sentiment might convey satisfaction with the airline's services, a negative sentiment could express dissatisfaction, while neutral sentiment may reflect an impartial observation or a neutral standpoint
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"""
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pred_sent = llm_response(
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"""
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{}
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Review text: '{}'
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""".format(sys_prompt, review)
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)
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return pred_sent
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st.title("Airline Review Sentiment Classifier")
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review = st.text_area("Paste a review:")
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if st.button("Analyse Sentiment"):
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if review.strip():
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result = predict_review_sentiment(review)
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st.success(f"Predicted Sentiment: {result}")
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else:
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st.warning("Please enter some review text.")
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