Create Add file → Create new file
Browse files- Add file → Create new file +55 -0
Add file → Create new file
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| 1 |
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import gradio as gr
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import numpy as np
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import plotly.express as px
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import torch
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from transformers import AutoTokenizer, AutoModelForSequenceClassification
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MODEL_NAME = "cardiffnlp/twitter-xlm-roberta-base-sentiment"
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device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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tokenizer = AutoTokenizer.from_pretrained(MODEL_NAME)
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model = AutoModelForSequenceClassification.from_pretrained(MODEL_NAME).to(device)
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model.eval()
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def predict_sentiment(text):
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inputs = tokenizer(text, return_tensors="pt", truncation=True, padding=True, max_length=128)
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inputs = {k: v.to(device) for k, v in inputs.items()}
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with torch.no_grad():
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outputs = model(**inputs)
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probs = torch.softmax(outputs.logits, dim=-1)[0].cpu().numpy()
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pred = np.argmax(probs)
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label = "✅ Positive" if pred == 1 else "❌ Negative"
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confidence = f"{probs[pred]:.1%}"
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fig = px.bar(x=["Negative", "Positive"], y=probs, title=f"Sentiment: {label}")
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fig.update_yaxes(range=[0, 1])
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return label, confidence, fig
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def chat_response(message, history):
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if not message.strip():
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return "", history
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label, conf, plot = predict_sentiment(message)
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bot_message = f"**Sentiment:** {label}\n**Confidence:** {conf}"
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history.append({"role": "user", "content": message})
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history.append({"role": "assistant", "content": bot_message})
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return "", history, plot
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with gr.Blocks(title="Sentiment Chatbot") as demo:
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gr.Markdown("# 🗣️ Sentiment Chatbot (EN/AR)")
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with gr.Row():
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with gr.Column(scale=3):
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chatbot = gr.Chatbot(type="messages", height=500)
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msg_input = gr.Textbox(placeholder="اكتب بالعربية أو الإنجليزية...")
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with gr.Column(scale=1):
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sentiment_plot = gr.Plot(label="📊 Confidence")
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msg_input.submit(chat_response, [msg_input, chatbot], [msg_input, chatbot, sentiment_plot])
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demo.launch()
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