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   "id": "590669bd-a7eb-46b8-b202-fd4a611bef08",
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "import json\n",
    "from datetime import datetime\n",
    "from urllib.parse import urlparse\n",
    "\n",
    "# 遍历所有目录下的 JSON 文件\n",
    "def traverse_and_process(root_dir):\n",
    "    for root, dirs, files in os.walk(root_dir):\n",
    "        for file in files:\n",
    "            if file.endswith('.json'):\n",
    "                input_file = os.path.join(root, file)\n",
    "                process_file(input_file)\n",
    "\n",
    "# 处理单个文件\n",
    "def process_file(input_file):\n",
    "    count = 1\n",
    "    with open(input_file, 'r', encoding='utf-8') as file:\n",
    "        for line in file:\n",
    "            process_line(line, count, input_file)\n",
    "            count += 1\n",
    "\n",
    "def process_line(line, count, input_file):\n",
    "    try:\n",
    "        data = json.loads(line)\n",
    "        # 提取关键数据转为txt\n",
    "        json2txt(data, input_file)\n",
    "        print(f'Processed line {count}')\n",
    "    except json.JSONDecodeError as e:\n",
    "        print(f\"JSONDecodeError: {e}\")\n",
    "    except KeyError as e:\n",
    "        print(f\"KeyError: Missing key {e}\")\n",
    "\n",
    "def json2txt(data, input_file):\n",
    "    try:\n",
    "        danbooru_data = data['danbooru']\n",
    "        \n",
    "        # 提取关键参数\n",
    "        id_value = str(danbooru_data['id'])\n",
    "        tag_general = danbooru_data.get('tag_string_general', '')\n",
    "        tag_character = danbooru_data.get('tag_string_character', '')\n",
    "        tag_copyright = danbooru_data.get('tag_string_copyright', '')\n",
    "        tag_artist = danbooru_data.get('tag_string_artist', '')\n",
    "        tag_meta = danbooru_data.get('tag_string_meta', '')\n",
    "        rating = danbooru_data['rating']\n",
    "        created_at = danbooru_data['created_at']\n",
    "        file_url = danbooru_data['file_url']\n",
    "        \n",
    "        # 格式化标签字符串\n",
    "        def format_tags(tag_string):\n",
    "            tags = tag_string.split()\n",
    "            formatted_tags = ', '.join(tags)\n",
    "            return formatted_tags\n",
    "\n",
    "        tag_general_formatted = format_tags(tag_general)\n",
    "        tag_character_formatted = format_tags(tag_character)\n",
    "        tag_copyright_formatted = format_tags(tag_copyright)\n",
    "        tag_artist_formatted = format_tags(tag_artist)\n",
    "        tag_meta_formatted = format_tags(tag_meta)\n",
    "        \n",
    "        # 构造文件名\n",
    "        filename = f\"danbooru_{id_value}.txt\"\n",
    "        year = datetime.strptime(created_at, \"%Y-%m-%dT%H:%M:%S.%f%z\").year\n",
    "        \n",
    "        # 获取相对文件夹路径\n",
    "        relative_directory = os.path.dirname(input_file)\n",
    "        if not os.path.exists(relative_directory):\n",
    "            os.makedirs(relative_directory)\n",
    "        \n",
    "        # 写入文本文件\n",
    "        file_path = os.path.join(relative_directory, filename)\n",
    "        with open(file_path, 'w', encoding='utf-8') as f:\n",
    "            f.write(f\"{tag_artist_formatted}, \")\n",
    "            f.write(f\"{tag_meta_formatted}, \")\n",
    "            f.write(f\"{tag_general_formatted}, \")\n",
    "            f.write(f\"{tag_character_formatted}, \")\n",
    "            f.write(f\"{tag_copyright_formatted}, \")\n",
    "            f.write(f\"year_{year}, \")\n",
    "            if rating == 'e':\n",
    "                f.write(\"nsfw\")\n",
    "        print(f\"文件 {file_path} 已成功创建并保存相关数据。\")\n",
    "    \n",
    "    except KeyError as e:\n",
    "        print(f\"KeyError: Missing key {e}\")\n",
    "\n",
    "# 设置根目录路径\n",
    "root_dir = 'data2'\n",
    "\n",
    "# 开始遍历和处理\n",
    "traverse_and_process(root_dir)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "b2ff12cb-b06f-4f4d-82fb-1ed6702d606b",
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "\n",
    "def delete_txt_files(directory):\n",
    "    for root, dirs, files in os.walk(directory):\n",
    "        for file in files:\n",
    "            if file.endswith(\".json\"):\n",
    "                file_path = os.path.join(root, file)\n",
    "                try:\n",
    "                    os.remove(file_path)\n",
    "                    print(f\"Deleted: {file_path}\")\n",
    "                except Exception as e:\n",
    "                    print(f\"Failed to delete {file_path}. Reason: {e}\")\n",
    "\n",
    "# Specify the directory to start from\n",
    "start_directory = './'\n",
    "\n",
    "delete_txt_files(start_directory)\n"
   ]
  }
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