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Update src/streamlit_app.py
Browse files- src/streamlit_app.py +258 -38
src/streamlit_app.py
CHANGED
@@ -1,40 +1,260 @@
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import altair as alt
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import numpy as np
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import pandas as pd
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import streamlit as st
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Edit `/streamlit_app.py` to customize this app to your heart's desire :heart:.
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If you have any questions, checkout our [documentation](https://docs.streamlit.io) and [community
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forums](https://discuss.streamlit.io).
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In the meantime, below is an example of what you can do with just a few lines of code:
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"""
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num_points = st.slider("Number of points in spiral", 1, 10000, 1100)
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num_turns = st.slider("Number of turns in spiral", 1, 300, 31)
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indices = np.linspace(0, 1, num_points)
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theta = 2 * np.pi * num_turns * indices
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radius = indices
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x = radius * np.cos(theta)
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y = radius * np.sin(theta)
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df = pd.DataFrame({
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"x": x,
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"y": y,
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"idx": indices,
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"rand": np.random.randn(num_points),
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})
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st.altair_chart(alt.Chart(df, height=700, width=700)
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.mark_point(filled=True)
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.encode(
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x=alt.X("x", axis=None),
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y=alt.Y("y", axis=None),
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color=alt.Color("idx", legend=None, scale=alt.Scale()),
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size=alt.Size("rand", legend=None, scale=alt.Scale(range=[1, 150])),
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))
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import streamlit as st
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import PyPDF2
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import pandas as pd
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import os
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import google.generativeai as genai
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import csv
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from datetime import datetime
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import logging
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import sys
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import io
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import tempfile
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import base64
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# 設定日誌
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(levelname)s - %(message)s',
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handlers=[
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logging.FileHandler("pdf_processing.log"),
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logging.StreamHandler(sys.stdout)
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]
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)
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logger = logging.getLogger(__name__)
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# 設定頁面配置
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st.set_page_config(
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page_title="PDF處理與Gemini翻譯工具",
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page_icon="📄",
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layout="wide",
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initial_sidebar_state="expanded"
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)
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# 應用程式標題和介紹
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st.title("📄 PDF處理與Gemini翻譯工具")
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st.markdown("上傳PDF檔案,選擇要處理的頁面,讓Gemini解釋內容並翻譯成繁體中文。")
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# 側邊欄 - 設定區域
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with st.sidebar:
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st.header("設定")
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# API金鑰輸入
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api_key = st.text_input(
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"Gemini API金鑰",
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value="AIzaSyC3fbJVYQbINa8ztuOS5dFE4ud0I9jhy3o", # 預設值,實際使用應從設定檔讀取
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type="password"
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)
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# 上傳PDF檔案
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uploaded_file = st.file_uploader("上傳PDF檔案", type=["pdf"])
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# 處理選項區塊
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with st.expander("處理選項", expanded=True):
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# 初始化session_state
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if 'total_pages' not in st.session_state:
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st.session_state.total_pages = 0
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if 'page_content' not in st.session_state:
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st.session_state.page_content = {}
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# 頁面選擇(只在上傳檔案後顯示)
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if uploaded_file is not None:
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# 讀取PDF並獲取頁數
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try:
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pdf_reader = PyPDF2.PdfReader(uploaded_file)
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st.session_state.total_pages = len(pdf_reader.pages)
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# 加載PDF內容到session_state(如果尚未加載)
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if len(st.session_state.page_content) == 0:
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with st.spinner("正在加載PDF..."):
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for i in range(st.session_state.total_pages):
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st.session_state.page_content[i+1] = pdf_reader.pages[i].extract_text()
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# 頁面選擇滑桿
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page_to_process = st.slider(
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"選擇要處理的頁面",
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min_value=1,
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max_value=st.session_state.total_pages,
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value=1
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)
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st.info(f"PDF共有 {st.session_state.total_pages} 頁")
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except Exception as e:
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st.error(f"無法讀取PDF: {str(e)}")
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else:
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st.info("請先上傳PDF檔案")
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page_to_process = 1
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# 進階選項
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with st.expander("進階選項"):
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# 給Gemini的指示詞
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instruction = st.text_area(
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"給Gemini的指示詞",
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value="請詳細解釋以下內容的主要要點和重要信息",
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height=100
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)
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# 輸出檔名
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output_filename = st.text_input(
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"輸出CSV檔名",
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value="gemini_translated_results.csv"
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)
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# 主要功能函數
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def setup_gemini_api(api_key):
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"""設置Gemini API"""
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try:
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os.environ["GOOGLE_API_KEY"] = api_key
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genai.configure(api_key=api_key)
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return genai.GenerativeModel("gemini-1.5-flash")
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except Exception as e:
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logger.error(f"Gemini API設置失敗: {e}")
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st.error(f"API設置失敗: {str(e)}")
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return None
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def process_with_gemini(model, text, instruction):
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"""使用Gemini處理文本"""
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try:
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prompt = f"{instruction}:\n\n{text}"
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response = model.generate_content(prompt)
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return response.text.strip()
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except Exception as e:
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logger.error(f"Gemini處理失敗: {e}")
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return f"處理失敗: {str(e)}"
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def translate_with_gemini(model, text):
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"""使用Gemini將文本翻譯成繁體中文"""
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try:
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prompt = f"""
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請將以下文本翻譯成繁體中文,保持專業和準確性:
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{text}
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只需要返回翻譯後的文本,不要加入其他解釋或備註。
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"""
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response = model.generate_content(prompt)
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return response.text.strip()
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except Exception as e:
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logger.error(f"Gemini翻譯失敗: {e}")
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return f"翻譯失敗: {str(e)}"
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def get_csv_download_link(df, filename="data.csv"):
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"""生成CSV檔案下載連結"""
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csv = df.to_csv(index=False)
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b64 = base64.b64encode(csv.encode()).decode()
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href = f'<a href="data:file/csv;base64,{b64}" download="{filename}">下載 CSV 檔案</a>'
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return href
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# 主要內容區域
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if uploaded_file is not None:
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# 顯示頁面內容預覽
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st.header("頁面內容預覽")
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# 從session_state獲取選定頁面的內容
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if page_to_process in st.session_state.page_content:
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page_text = st.session_state.page_content[page_to_process]
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st.text_area(
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f"第 {page_to_process} 頁內容",
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value=page_text,
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height=150,
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disabled=True
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)
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else:
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st.warning("無法獲取選定頁面的內容")
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# 處理按鈕
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process_button = st.button("處理並翻譯", type="primary", use_container_width=True)
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# 當按下處理按鈕
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if process_button:
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if not api_key:
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st.error("請輸入Gemini API金鑰!")
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else:
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# 設置進度顯示
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progress_placeholder = st.empty()
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results_placeholder = st.empty()
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with st.spinner("正在處理中..."):
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progress_bar = progress_placeholder.progress(0)
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# 設置API
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model = setup_gemini_api(api_key)
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if model:
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progress_bar.progress(20)
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# 獲取選定頁面的內容
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page_text = st.session_state.page_content[page_to_process]
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# 使用Gemini處理
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progress_placeholder.text("正在使用Gemini解釋內容...")
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explanation = process_with_gemini(model, page_text, instruction)
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progress_bar.progress(60)
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# 翻譯成繁體中文
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progress_placeholder.text("正在翻譯成繁體中文...")
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translation = translate_with_gemini(model, explanation)
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progress_bar.progress(90)
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# 創建結果DataFrame
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results_data = {
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"時間戳記": [datetime.now().isoformat()],
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"原始內容": [page_text[:5000] + "..." if len(page_text) > 5000 else page_text],
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"Gemini解釋": [explanation],
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"繁體中文翻譯": [translation]
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}
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results_df = pd.DataFrame(results_data)
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# 保存為CSV(臨時)
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results_df.to_csv(output_filename, index=False, encoding="utf-8-sig")
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# 完成
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progress_bar.progress(100)
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progress_placeholder.empty()
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# 顯示結果
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st.success("處理完成!")
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# 創建選項卡顯示結果
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tab1, tab2, tab3 = st.tabs(["Gemini解釋", "繁體中文翻譯", "CSV資料"])
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with tab1:
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st.subheader("Gemini解釋結果")
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st.write(explanation)
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with tab2:
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st.subheader("繁體中文翻譯")
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st.write(translation)
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with tab3:
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st.subheader("CSV資料預覽")
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st.dataframe(results_df)
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st.markdown(get_csv_download_link(results_df, output_filename), unsafe_allow_html=True)
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st.info(f"CSV檔案已準備好下載。檔名: {output_filename}")
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else:
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# 未上傳檔案時顯示的內容
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st.info("👈 請從側邊欄上傳PDF檔案開始")
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# 顯示使用說明
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with st.expander("使用說明", expanded=True):
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st.markdown("""
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### 如何使用這個工具:
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1. **上傳PDF檔案** - 從側邊欄選擇並上傳PDF檔案
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2. **選擇頁面** - 使用滑桿選擇要處理的頁面
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3. **設定API金鑰** - 輸入您的Gemini API金鑰(預設已填入,可修改)
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4. **自訂指示詞** - 可選擇修改給Gemini的指示詞
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5. **處理與翻譯** - 點擊"處理並翻譯"按鈕
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6. **查看結果** - 在選項卡中查看Gemini的解釋和繁體中文翻譯
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7. **下載結果** - 下載CSV格式的結果檔案
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### 功能特點:
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- 逐頁預覽PDF內容
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- 使用Gemini AI解釋文本
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- 自動翻譯成繁體中文
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- 結果以CSV格式儲存
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""")
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# 頁尾
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st.markdown("---")
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st.markdown("📄 PDF處理與Gemini翻譯工具 | 由Streamlit和Google Gemini AI提供技術支持")
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