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   "id": "a745b33b",
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "import shutil\n",
    "\n",
    "# 原始資料所在的根目錄（包含 2、3、7、10 等子資料夾）\n",
    "root = \"class01\"\n",
    "\n",
    "# 整理後的資料集輸出位置\n",
    "out_img = \"dataset/images\"        # 用來存放所有圖片\n",
    "out_label = \"dataset/label.txt\"   # 用來存放合併後的標註檔\n",
    "\n",
    "# 先確保輸出資料夾存在\n",
    "os.makedirs(out_img, exist_ok=True)\n",
    "\n",
    "# 開啟輸出的 label.txt 準備寫入\n",
    "with open(out_label, \"w\", encoding=\"utf-8\") as fout:\n",
    "\n",
    "    # 走訪 root 底下所有子資料夾（例如 2、3、10、11…）\n",
    "    for folder in sorted(os.listdir(root)):\n",
    "        folder_path = os.path.join(root, folder)\n",
    "\n",
    "        # 每個子資料夾裡的 PPOCR 標註檔名稱固定為 Label.txt\n",
    "        label_file = os.path.join(folder_path, \"Label.txt\")\n",
    "\n",
    "        # 如果該子資料夾真的有 Label.txt → 才處理\n",
    "        if os.path.isfile(label_file):\n",
    "\n",
    "            # 讀取這個子資料夾的 Label.txt\n",
    "            with open(label_file, \"r\", encoding=\"utf-8\") as fin:\n",
    "                for line in fin:\n",
    "\n",
    "                    # 每一行格式為：圖片相對路徑 + 標註 JSON\n",
    "                    # e.g. \"10/class01_10_001.jpg    [ {...}, {...} ]\"\n",
    "                    img_rel, ann = line.strip().split(\"\\t\", 1)\n",
    "\n",
    "                    # 取得圖片原始檔（實際位置）\n",
    "                    # img_rel 有可能包含路徑 10/class01_10_xxx.jpg → 我們只取檔案名\n",
    "                    img_name = img_rel.split(\"/\")[-1]\n",
    "                    img_src = os.path.join(folder_path, img_name)\n",
    "\n",
    "                    # 設定圖片輸出位置（統一搬到 dataset/images/)\n",
    "                    img_dst = os.path.join(out_img, img_name)\n",
    "\n",
    "                    # 如果圖片真的存在才複製\n",
    "                    if os.path.exists(img_src):\n",
    "                        shutil.copy(img_src, img_dst)\n",
    "\n",
    "                        # 將標註寫入整合後的 label.txt\n",
    "                        # 格式改成 dataset 可讀形式：images/檔名 + 標註 JSON\n",
    "                        fout.write(f\"images/{img_name}\\t{ann}\\n\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "e336ad20",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "/Users/jiangyanhong/Desktop/data/作文資料\n"
     ]
    }
   ],
   "source": [
    "import os\n",
    "print(os.getcwd())"
   ]
  }
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