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Update app.py
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app.py
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import requests
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import os
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# 設定 Hugging Face API
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API_URL = "https://api-inference.huggingface.co/models/cardiffnlp/twitter-xlm-roberta-base-sentiment"
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# 從環境變數讀取 API Key
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HF_API_KEY = os.getenv("HF_API_KEY")
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if HF_API_KEY is None:
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raise ValueError("❌ API Key 未設定,請檢查 Hugging Face Secrets!")
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HEADERS = {"Authorization": f"Bearer {HF_API_KEY}"}
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# 轉換英文分類為中文
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def translate_sentiment(label):
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if "positive" in label.lower():
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return "😃 **正向**"
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elif "neutral" in label.lower():
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return "😐 **中立**"
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else:
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return "😡 **負向**"
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# 轉換信心度為更直觀的等級(加上百分比)
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def convert_confidence(score):
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percentage = round(score * 100)
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if score >= 0.90:
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return f"🌟 **極高信心** ({percentage}%)"
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elif score >= 0.75:
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return f"✅ **高信心** ({percentage}%)"
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elif score >= 0.50:
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return f"⚠️ **中等信心** ({percentage}%)"
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elif score >= 0.30:
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return f"❓ **低信心** ({percentage}%)"
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else:
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return f"❌ **極低信心(建議忽略)** ({percentage}%)"
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# 調用 Hugging Face API 進行情緒分析
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def analyze_sentiment(text):
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try:
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response = requests.post(API_URL, headers=HEADERS, json={"inputs": text})
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result = response.json()
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if isinstance(result, list) and len(result) > 0:
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sentiment = translate_sentiment(result[0]["label"]) # 翻譯情緒
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confidence = result[0]["score"]
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confidence_label = convert_confidence(confidence) # 轉換信心度
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return f"**情緒分類**: {sentiment}\n**AI判斷的信心度為**: {confidence_label}"
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else:
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return "⚠️ **無法分析文本,請稍後再試**"
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except Exception as e:
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return f"❌ **錯誤**: {str(e)}"
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# Gradio 介面說明
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intro_text = """
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# 🎯 多語言情緒分析 AI
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本應用使用 Hugging Face 的 `XLM-RoBERTa` 模型來進行**多語言情緒分析**。
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輸入任何語言的文本,AI 會自動判斷其**情緒分類(正向 / 中立 / 負向)**,並提供AI判斷的**信心度(%)**。
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## 🔹 **功能特色**
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✅ **支援多語言**(繁體中文、英文、法文、日文等)
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✅ **即時分析**,不需下載模型
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✅ **提供信心度**,結果更透明
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## 📌 **如何使用**
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1️⃣ **輸入一句話或一段文本**(可輸入中文、英文、日文等)
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2️⃣ **點擊「分析情緒」**
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3️⃣ **查看結果,包括情緒分類 & 信心度**
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## ⚠️ **使用須知**
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- 目前模型適合**一般文本**,但對**諷刺、幽默**等語句可能不準確。
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- 若遇到分析錯誤,請**重新輸入文本或稍後再試**。
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"""
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developer_info = """
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## 👨💻 開發資訊
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- **開發者**: 余彦志 (大宇 / ian)
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- **模型來源**: [Hugging Face](https://huggingface.co/cardiffnlp/twitter-xlm-roberta-base-sentiment)
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- **技術棧**: `Gradio`、`FastAPI`、`Hugging Face API`
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- **聯絡方式**: [dayuian@hotmail.com]
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"""
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# 建立 Gradio 介面
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with gr.Blocks(theme=gr.themes.Soft()) as iface:
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# 介面標題與介紹
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gr.Markdown(intro_text)
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# 文字輸入框
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with gr.Row():
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text_input = gr.Textbox(
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lines=3, placeholder="請輸入文本(支援多語言)...", label="輸入文本"
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)
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# 按鈕
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analyze_button = gr.Button("分析情緒")
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# 結果顯示區
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result_output = gr.Markdown(label="分析結果")
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# 事件綁定(點擊按鈕後執行分析)
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analyze_button.click(analyze_sentiment, inputs=text_input, outputs=result_output)
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# 顯示開發資訊
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gr.Markdown(developer_info)
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# 啟動 Web 應用
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from ui import create_ui
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# 啟動 Web 應用
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if __name__ == "__main__":
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iface = create_ui()
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iface.launch()
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