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Update app.py
Browse files
app.py
CHANGED
@@ -1,6 +1,6 @@
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import openai
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import gradio as gr
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import fitz
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from openai import OpenAI
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import traceback
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@@ -19,15 +19,16 @@ def set_api_key(user_api_key):
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if not api_key:
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return "❌ API Key 不能為空"
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-
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-
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client = OpenAI(api_key=api_key)
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# 測試 API Key 是否有效
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test_response = client.chat.completions.create(
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model="gpt-
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messages=[{"role": "user", "content": "
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max_tokens=5
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)
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return "✅ API Key 已設定並驗證成功!"
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@@ -40,13 +41,11 @@ def set_api_key(user_api_key):
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return f"❌ API Key 設定失敗: {str(e)}"
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def set_model(model_name):
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"""設定選擇的模型"""
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global selected_model
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selected_model = model_name
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return f"✅ 模型已選擇:{model_name}"
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def extract_pdf_text(file_path):
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"""從 PDF 文件中提取文字"""
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try:
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doc = fitz.open(file_path)
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text = ""
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@@ -60,371 +59,104 @@ def extract_pdf_text(file_path):
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return f"❌ PDF 解析錯誤: {str(e)}"
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def generate_summary(pdf_file):
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"""從 PDF 內容生成摘要"""
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global summary_text, pdf_text
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if not client:
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return "❌ 請先設定 OpenAI API Key"
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if not pdf_file:
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return "❌ 請先上傳 PDF 文件"
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try:
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# 從 PDF 提取文字
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pdf_text = extract_pdf_text(pdf_file.name)
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if not pdf_text.strip():
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return "⚠️ 無法解析 PDF 文字,可能為純圖片 PDF 或空白文件。"
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# 截斷過長的文字
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max_chars = 8000
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if len(pdf_text) > max_chars:
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pdf_text_truncated = pdf_text[:max_chars] + "\n\n[文本已截斷,僅顯示前 8000 字符]"
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else:
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pdf_text_truncated = pdf_text
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# 生成摘要
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response = client.chat.completions.create(
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model=selected_model,
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messages=[
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{
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"role": "system",
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"content": """你是一個專業的文檔摘要助手。請將以下 PDF 內容整理為結構化的摘要:
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1. 首先提供一個簡短的總體概述
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2. 然後按照重要性列出主要重點(使用項目符號)
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3. 如果有數據或統計信息,請特別標注
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4. 如果有結論或建議,請單獨列出
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請用繁體中文回答,保持專業且易於理解的語調。"""
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},
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{"role": "user", "content": pdf_text_truncated}
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],
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temperature=0.3
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)
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summary_text = response.choices[0].message.content
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return summary_text
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except Exception as e:
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print(
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return f"❌ 摘要生成失敗: {str(e)}"
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def ask_question(user_question):
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"""基於 PDF 內容回答問題"""
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if not client:
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return "❌ 請先設定 OpenAI API Key"
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if not summary_text and not pdf_text:
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return "❌ 請先生成 PDF 摘要"
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if not user_question.strip():
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return "❌ 請輸入問題"
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try:
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# 組合上下文
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context = f"PDF 摘要:\n{summary_text}\n\n原始內容(部分):\n{pdf_text[:2000]}"
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response = client.chat.completions.create(
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model=selected_model,
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messages=[
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{
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"role": "system",
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"content": f"""你是一個專業的文檔問答助手。請基於提供的 PDF 內容回答用戶問題。
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規則:
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1. 只根據提供的文檔內容回答
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2. 如果文檔中沒有相關信息,請明確說明
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3. 引用具體的文檔內容來支持你的回答
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4. 用繁體中文回答
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5. 保持客觀和準確
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文檔內容:
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{context}"""
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},
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{"role": "user", "content": user_question}
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],
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temperature=0.2
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)
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return response.choices[0].message.content
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except Exception as e:
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print(
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return f"❌ 問答生成失敗: {str(e)}"
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def clear_all():
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"""清除所有資料"""
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global summary_text, pdf_text
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summary_text = ""
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pdf_text = ""
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return "", "", ""
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# 自定義 CSS 樣式 - 藍紫色主題
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custom_css = """
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/* 主要容器背景 */
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.gradio-container {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
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min-height: 100vh;
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}
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/* 隱藏 Gradio footer 和 logo */
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footer { display: none !important; }
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.gradio-container footer { display: none !important; }
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div[class*="footer"] { display: none !important; }
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div[class*="Footer"] { display: none !important; }
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.gr-footer { display: none !important; }
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/* 標籤頁樣式 */
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.tab-nav {
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background: rgba(255, 255, 255, 0.1) !important;
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border-radius: 15px !important;
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backdrop-filter: blur(10px) !important;
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margin-bottom: 20px !important;
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}
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.tab-nav button {
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background: rgba(255, 255, 255, 0.1) !important;
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color: white !important;
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border: none !important;
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border-radius: 10px !important;
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margin: 5px !important;
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font-weight: 600 !important;
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transition: all 0.3s ease !important;
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}
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.tab-nav button:hover {
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background: rgba(255, 255, 255, 0.2) !important;
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transform: translateY(-2px) !important;
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}
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.tab-nav button.selected {
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background: rgba(255, 255, 255, 0.3) !important;
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box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2) !important;
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}
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/* 卡片樣式 */
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.block {
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background: rgba(255, 255, 255, 0.95) !important;
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border-radius: 20px !important;
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box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
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backdrop-filter: blur(10px) !important;
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border: 1px solid rgba(255, 255, 255, 0.2) !important;
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margin: 10px 0 !important;
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padding: 20px !important;
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}
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/* 按鈕樣式 */
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.btn {
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background: linear-gradient(45deg, #667eea, #764ba2) !important;
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color: white !important;
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border: none !important;
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border-radius: 15px !important;
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padding: 12px 24px !important;
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font-weight: 600 !important;
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transition: all 0.3s ease !important;
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box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4) !important;
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}
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.btn:hover {
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transform: translateY(-3px) !important;
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box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6) !important;
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}
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.btn-secondary {
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background: linear-gradient(45deg, #a8a8a8, #6c757d) !important;
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box-shadow: 0 4px 15px rgba(168, 168, 168, 0.4) !important;
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}
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.btn-secondary:hover {
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box-shadow: 0 6px 20px rgba(168, 168, 168, 0.6) !important;
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}
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/* 輸入框樣式 */
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.gr-textbox, .gr-file, .gr-radio {
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border-radius: 15px !important;
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border: 2px solid rgba(102, 126, 234, 0.3) !important;
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background: rgba(255, 255, 255, 0.9) !important;
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transition: all 0.3s ease !important;
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}
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.gr-textbox:focus, .gr-file:focus {
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border-color: #667eea !important;
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box-shadow: 0 0 20px rgba(102, 126, 234, 0.3) !important;
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}
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/* 標題樣式 */
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h1, h2, h3 {
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color: white !important;
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text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3) !important;
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font-weight: 700 !important;
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}
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/* Markdown 內容樣式 */
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.markdown {
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background: rgba(255, 255, 255, 0.95) !important;
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border-radius: 15px !important;
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padding: 20px !important;
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margin: 10px 0 !important;
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box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
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}
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/* 進度條樣式 */
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.progress {
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background: linear-gradient(45deg, #667eea, #764ba2) !important;
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border-radius: 10px !important;
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}
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/* 滾動條樣式 */
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::-webkit-scrollbar {
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width: 8px;
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}
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::-webkit-scrollbar-track {
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background: rgba(255, 255, 255, 0.1);
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border-radius: 10px;
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}
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::-webkit-scrollbar-thumb {
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background: linear-gradient(45deg, #667eea, #764ba2);
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border-radius: 10px;
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}
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::-webkit-scrollbar-thumb:hover {
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background: linear-gradient(45deg, #5a6fd8, #6a4190);
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}
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/* 動畫效果 */
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@keyframes fadeIn {
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from { opacity: 0; transform: translateY(20px); }
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to { opacity: 1; transform: translateY(0); }
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}
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.block {
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animation: fadeIn 0.6s ease-out !important;
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}
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"""
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# 創建 Gradio 介面
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with gr.Blocks(
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title="PDF 摘要助手",
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css=
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) as demo:
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)
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api_key_btn = gr.Button("確認 API Key", variant="primary", elem_classes=["btn"])
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api_key_status = gr.Textbox(
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label="📊 API 狀態",
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interactive=False,
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value="🔄 等待設定 API Key...",
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elem_classes=["gr-textbox"]
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)
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gr.Markdown("### 模型選擇")
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model_choice = gr.Radio(
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["gpt-4", "gpt-4.1", "gpt-4.5"],
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label="🤖 選擇 AI 模型",
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value="gpt-4",
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elem_classes=["gr-radio"]
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)
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model_status = gr.Textbox(
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label="🎯 模型狀態",
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interactive=False,
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value="✅ 已選擇:gpt-4",
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elem_classes=["gr-textbox"]
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)
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with gr.Tab("📄 PDF 摘要"):
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gr.Markdown("### 文件上傳與摘要生成")
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pdf_upload = gr.File(
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label="📁 上傳 PDF 文件",
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file_types=[".pdf"],
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elem_classes=["gr-file"]
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)
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with gr.Row():
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summary_btn = gr.Button("🔄 生成摘要", variant="primary", elem_classes=["btn"])
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clear_btn = gr.Button("🗑️ 清除資料", variant="secondary", elem_classes=["btn", "btn-secondary"])
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summary_output = gr.Textbox(
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label="📋 PDF 摘要",
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lines=15,
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placeholder="上傳 PDF 文件並點擊「生成摘要」按鈕,AI 將為您分析文檔內容...",
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elem_classes=["gr-textbox"]
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)
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with gr.Tab("❓ 智能問答"):
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gr.Markdown("### 基於文檔內容的問答")
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question_input = gr.Textbox(
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label="💭 請輸入您的問題",
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lines=3,
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placeholder="例如:這份文件的主要結論是什麼?文中提到的關鍵數據有哪些?",
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elem_classes=["gr-textbox"]
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)
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question_btn = gr.Button("📤 送出問題", variant="primary", elem_classes=["btn"])
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answer_output = gr.Textbox(
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label="🤖 AI 回答",
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lines=12,
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placeholder="請先上傳並生成 PDF 摘要,然後輸入問題,AI 將基於文檔內容為您提供回答...",
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elem_classes=["gr-textbox"]
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)
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gr.Markdown("""
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**💡 問題範例:**
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- 這份文件討論的主要議題是什麼?
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- 文中有哪些重要的統計數據?
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- 作者的主要觀點和結論是什麼?
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- 文件中提到的建議有哪些?
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""")
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# 事件綁定
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api_key_btn.click(set_api_key, inputs=api_key_input, outputs=api_key_status)
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api_key_input.submit(set_api_key, inputs=api_key_input, outputs=api_key_status)
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model_choice.change(set_model, inputs=model_choice, outputs=model_status)
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summary_btn.click(generate_summary, inputs=pdf_upload, outputs=summary_output)
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question_btn.click(ask_question, inputs=question_input, outputs=answer_output)
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question_input.submit(ask_question, inputs=question_input, outputs=answer_output)
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clear_btn.click(clear_all, outputs=[summary_output, question_input, answer_output])
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if __name__ == "__main__":
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demo.launch(
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show_error=True,
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share=True,
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server_name="0.0.0.0",
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server_port=7860
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)
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import openai
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import gradio as gr
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import fitz # PyMuPDF
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from openai import OpenAI
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import traceback
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if not api_key:
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return "❌ API Key 不能為空"
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# 支援新舊 key 格式
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if not (api_key.startswith('sk-') or api_key.startswith('sk-proj-')):
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return "❌ API Key 格式錯誤,必須以 'sk-' 或 'sk-proj-' 開頭"
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+
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client = OpenAI(api_key=api_key)
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# 測試 API Key 是否有效
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test_response = client.chat.completions.create(
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model="gpt-4",
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messages=[{"role": "user", "content": "你好"}],
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max_tokens=5
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)
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return "✅ API Key 已設定並驗證成功!"
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return f"❌ API Key 設定失敗: {str(e)}"
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def set_model(model_name):
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global selected_model
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selected_model = model_name
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return f"✅ 模型已選擇:{model_name}"
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def extract_pdf_text(file_path):
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try:
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doc = fitz.open(file_path)
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text = ""
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return f"❌ PDF 解析錯誤: {str(e)}"
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def generate_summary(pdf_file):
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global summary_text, pdf_text
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if not client:
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return "❌ 請先設定 OpenAI API Key"
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if not pdf_file:
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return "❌ 請先上傳 PDF 文件"
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try:
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pdf_text = extract_pdf_text(pdf_file.name)
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if not pdf_text.strip():
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return "⚠️ 無法解析 PDF 文字,可能為純圖片 PDF 或空白文件。"
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pdf_text_truncated = pdf_text[:8000]
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response = client.chat.completions.create(
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model=selected_model,
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messages=[
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{"role": "system", "content": "請將以下 PDF 內容整理為條列式摘要,用繁體中文回答:"},
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{"role": "user", "content": pdf_text_truncated}
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],
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temperature=0.3
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)
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summary_text = response.choices[0].message.content
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return summary_text
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except Exception as e:
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print(traceback.format_exc())
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return f"❌ 摘要生成失敗: {str(e)}"
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def ask_question(user_question):
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if not client:
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return "❌ 請先設定 OpenAI API Key"
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if not summary_text and not pdf_text:
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return "❌ 請先生成 PDF 摘要"
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if not user_question.strip():
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return "❌ 請輸入問題"
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try:
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context = f"PDF 摘要:\n{summary_text}\n\n原始內容(部分):\n{pdf_text[:2000]}"
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response = client.chat.completions.create(
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model=selected_model,
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messages=[
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{"role": "system", "content": f"根據以下 PDF 內容回答問題,請用繁體中文回答:\n{context}"},
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{"role": "user", "content": user_question}
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],
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temperature=0.2
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)
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return response.choices[0].message.content
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except Exception as e:
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print(traceback.format_exc())
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return f"❌ 問答生成失敗: {str(e)}"
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def clear_all():
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global summary_text, pdf_text
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summary_text = ""
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pdf_text = ""
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return "", "", ""
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with gr.Blocks(
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title="PDF 摘要助手",
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css="""
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.gradio-container {
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max-width: none !important;
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width: 100% !important;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
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min-height: 100vh;
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}
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.main-content {
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max-width: 1600px !important;
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margin: 20px auto !important;
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padding: 30px !important;
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background: rgba(255, 255, 255, 0.95) !important;
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border-radius: 20px !important;
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}
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"""
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) as demo:
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with gr.Column():
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gr.Markdown("## 📄 PDF 摘要 & 問答助手")
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with gr.Tab("🔧 設定"):
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api_key_input = gr.Textbox(label="🔑 輸入 OpenAI API Key", type="password")
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api_key_status = gr.Textbox(label="API 狀態", interactive=False, value="等待設定 API Key...")
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api_key_btn = gr.Button("確認 API Key")
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api_key_btn.click(set_api_key, inputs=api_key_input, outputs=api_key_status)
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+
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model_choice = gr.Radio(["gpt-4", "gpt-4.1", "gpt-4.5"], label="選擇 AI 模型", value="gpt-4")
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model_status = gr.Textbox(label="模型狀態", interactive=False, value="✅ 已選擇:gpt-4")
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model_choice.change(set_model, inputs=model_choice, outputs=model_status)
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with gr.Tab("📄 摘要"):
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pdf_upload = gr.File(label="上傳 PDF", file_types=[".pdf"])
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summary_btn = gr.Button("生成摘要")
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summary_output = gr.Textbox(label="PDF 摘要", lines=12)
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summary_btn.click(generate_summary, inputs=pdf_upload, outputs=summary_output)
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with gr.Tab("❓ 問答"):
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question_input = gr.Textbox(label="請輸入問題", lines=2)
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question_btn = gr.Button("送出問題")
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answer_output = gr.Textbox(label="AI 回答", lines=8)
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question_btn.click(ask_question, inputs=question_input, outputs=answer_output)
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question_input.submit(ask_question, inputs=question_input, outputs=answer_output)
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+
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clear_btn = gr.Button("🗑️ 清除所有資料")
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clear_btn.click(clear_all, outputs=[summary_output, question_input, answer_output])
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if __name__ == "__main__":
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+
demo.launch(show_error=True)
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