{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "273f0de8-f2ec-4147-ab8e-cccf6ca93d86",
   "metadata": {},
   "source": [
    "# 提取posts.json"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5b970c9d-38dc-4865-86cd-c4583d3619be",
   "metadata": {},
   "outputs": [],
   "source": [
    "import json\n",
    "\n",
    "def process_line(line, count):\n",
    "    try:\n",
    "        data = json.loads(line)\n",
    "        # 在这里添加处理每个 JSON 对象的代码\n",
    "\n",
    "        # 创建新的 JSON 文件名，例如 new_posts_000001.json\n",
    "        new_file_name = f'/json/new_posts_{count:06d}.json'\n",
    "        with open(new_file_name, 'w', encoding='utf-8') as new_file:\n",
    "            json.dump(data, new_file, ensure_ascii=False, indent=4)  # 写入 JSON 数据到新文件\n",
    "        print(f'Processed line {count}: {new_file_name}')\n",
    "    except json.JSONDecodeError as e:\n",
    "        print(f\"JSONDecodeError: {e}\")\n",
    "\n",
    "# 打开原始 JSON 文件\n",
    "input_file = '/posts.json'  # 原始 JSON 文件路径\n",
    "count = 1\n",
    "\n",
    "with open(input_file, 'r', encoding='utf-8') as file:\n",
    "    for line in file:\n",
    "        process_line(line, count)\n",
    "        count += 1\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "8834f932-775a-4649-9b5c-98c2972e16ef",
   "metadata": {},
   "outputs": [],
   "source": [
    "#查看拆出的json文件\n",
    "!cp json/new_posts_000001.json  ./"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "fcd9735c-1b27-4471-be68-8122ebc8b08d",
   "metadata": {},
   "source": [
    "# 提取json关键数据到txt文件，以id为命名"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "301ec542-9117-4e15-b356-85d4cfcb4662",
   "metadata": {},
   "outputs": [],
   "source": [
    "import json\n",
    "\n",
    "# 文件路径\n",
    "file_path = 'json/new_posts_000001.json'\n",
    "\n",
    "# 读取JSON数据\n",
    "with open(file_path, 'r', encoding='utf-8') as file:\n",
    "    data = json.load(file)\n",
    "\n",
    "# 提取关键参数\n",
    "id_value = str(data['id'])\n",
    "tag_general = data['tag_string_general']\n",
    "tag_character = data['tag_string_character']\n",
    "tag_copyright = data['tag_string_copyright']\n",
    "tag_artist = data['tag_string_artist']\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",
    "\n",
    "# 构造文件名\n",
    "filename = f\"{id_value}.txt\"\n",
    "\n",
    "# 写入文本文件\n",
    "with open(filename, 'w', encoding='utf-8') as f:\n",
    "    f.write(f\"{tag_artist_formatted}, \")\n",
    "    f.write(f\"{tag_general_formatted}, \")\n",
    "    f.write(f\"{tag_character_formatted}, \")\n",
    "    f.write(f\"{tag_copyright_formatted}\")\n",
    "    \n",
    "\n",
    "print(f\"文件 {filename} 已成功创建并保存相关数据。\")\n",
    "\n",
    "# 如果你想批量提取，改成循环迭代吧，不会改的让chatgpt改就行\n"
   ]
  },
  {
   "cell_type": "raw",
   "id": "879921e1-3981-4ad4-a60a-5b4cbb60a70e",
   "metadata": {},
   "source": [
    "posts.json的数据可以参考如下：\n",
    "{\n",
    "  \"id\": 534268,\n",
    "  \"created_at\": \"2009-10-02T01:54:46.660-04:00\",\n",
    "  \"uploader_id\": 102191,\n",
    "  \"score\": 3,\n",
    "  \"source\": \"https://i.pximg.net/img-original/img/2009/10/02/18/53/34/6451237_p0.jpg\",\n",
    "  \"md5\": \"21fa0fed0c5acd15cbf4f44018466649\",\n",
    "  \"last_comment_bumped_at\": \"2011-06-02T20:27:37.439-04:00\",\n",
    "  \"rating\": \"s\",\n",
    "  \"image_width\": 621,\n",
    "  \"image_height\": 1839,\n",
    "  \"tag_string\": \"4koma 6+girls check_translation comic commentary_request danmaku dei_shirou highres komeiji_satori kurodani_yamame mizuhashi_parsee multiple_girls reiuji_utsuho saigyouji_yuyuko touhou touhou_tag_dream translated translation_request yasaka_kanako\",\n",
    "  \"fav_count\": 8,\n",
    "  \"file_ext\": \"jpg\",\n",
    "  \"last_noted_at\": \"2022-05-20T19:58:43.212-04:00\",\n",
    "  \"parent_id\": null,\n",
    "  \"has_children\": false,\n",
    "  \"approver_id\": null,\n",
    "  \"tag_count_general\": 5,\n",
    "  \"tag_count_artist\": 1,\n",
    "  \"tag_count_character\": 6,\n",
    "  \"tag_count_copyright\": 2,\n",
    "  \"file_size\": 363768,\n",
    "  \"up_score\": 3,\n",
    "  \"down_score\": 0,\n",
    "  \"is_pending\": false,\n",
    "  \"is_flagged\": false,\n",
    "  \"is_deleted\": false,\n",
    "  \"tag_count\": 19,\n",
    "  \"updated_at\": \"2022-04-02T14:13:05.372-04:00\",\n",
    "  \"is_banned\": false,\n",
    "  \"pixiv_id\": 6451237,\n",
    "  \"last_commented_at\": \"2012-06-14T09:12:31.388-04:00\",\n",
    "  \"has_active_children\": false,\n",
    "  \"bit_flags\": 0,\n",
    "  \"tag_count_meta\": 5,\n",
    "  \"has_large\": false,\n",
    "  \"has_visible_children\": false,\n",
    "  \"media_asset\": {\n",
    "    \"id\": 512269,\n",
    "    \"created_at\": \"2009-10-02T01:54:46.660-04:00\",\n",
    "    \"updated_at\": \"2023-02-24T04:08:16.142-05:00\",\n",
    "    \"md5\": \"21fa0fed0c5acd15cbf4f44018466649\",\n",
    "    \"file_ext\": \"jpg\",\n",
    "    \"file_size\": 363768,\n",
    "    \"image_width\": 621,\n",
    "    \"image_height\": 1839,\n",
    "    \"duration\": null,\n",
    "    \"status\": \"active\",\n",
    "    \"file_key\": \"eVEneY13S\",\n",
    "    \"is_public\": true,\n",
    "    \"pixel_hash\": \"190ffd3b86ce8332883b88b6af8f3572\",\n",
    "    \"variants\": [\n",
    "      {\n",
    "        \"type\": \"180x180\",\n",
    "        \"url\": \"https://cdn.donmai.us/180x180/21/fa/21fa0fed0c5acd15cbf4f44018466649.jpg\",\n",
    "        \"width\": 61,\n",
    "        \"height\": 180,\n",
    "        \"file_ext\": \"jpg\"\n",
    "      },\n",
    "      {\n",
    "        \"type\": \"360x360\",\n",
    "        \"url\": \"https://cdn.donmai.us/360x360/21/fa/21fa0fed0c5acd15cbf4f44018466649.jpg\",\n",
    "        \"width\": 122,\n",
    "        \"height\": 360,\n",
    "        \"file_ext\": \"jpg\"\n",
    "      },\n",
    "      {\n",
    "        \"type\": \"720x720\",\n",
    "        \"url\": \"https://cdn.donmai.us/720x720/21/fa/21fa0fed0c5acd15cbf4f44018466649.webp\",\n",
    "        \"width\": 243,\n",
    "        \"height\": 720,\n",
    "        \"file_ext\": \"webp\"\n",
    "      },\n",
    "      {\n",
    "        \"type\": \"original\",\n",
    "        \"url\": \"https://cdn.donmai.us/original/21/fa/21fa0fed0c5acd15cbf4f44018466649.jpg\",\n",
    "        \"width\": 621,\n",
    "        \"height\": 1839,\n",
    "        \"file_ext\": \"jpg\"\n",
    "      }\n",
    "    ]\n",
    "  },\n",
    "  \"tag_string_general\": \"4koma 6+girls comic danmaku multiple_girls\",\n",
    "  \"tag_string_character\": \"komeiji_satori kurodani_yamame mizuhashi_parsee reiuji_utsuho saigyouji_yuyuko yasaka_kanako\",\n",
    "  \"tag_string_copyright\": \"touhou touhou_tag_dream\",\n",
    "  \"tag_string_artist\": \"dei_shirou\",\n",
    "  \"tag_string_meta\": \"check_translation commentary_request highres translated translation_request\",\n",
    "  \"file_url\": \"https://cdn.donmai.us/original/21/fa/21fa0fed0c5acd15cbf4f44018466649.jpg\",\n",
    "  \"large_file_url\": \"https://cdn.donmai.us/original/21/fa/21fa0fed0c5acd15cbf4f44018466649.jpg\",\n",
    "  \"preview_file_url\": \"https://cdn.donmai.us/180x180/21/fa/21fa0fed0c5acd15cbf4f44018466649.jpg\"\n",
    "}\n"
   ]
  }
 ],
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