{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "http://v29-dy.ixigua.com/3ea9e9a520ec9016c06f5364282d0dc2/5f9b23f9/video/tos/cn/tos-cn-ve-15/7b4319f3ff734fc0b2bec2cd301b6775/?a=1128&br=4842&bt=1614&cr=0&cs=0&cv=1&dr=0&ds=6&er=&l=20201030031954010198066200473AEDDC&lr=&mime_type=video_mp4&qs=0&rc=M3l3c3luc25wczMzZ2kzM0ApaDQzaWc2Mzw5N2Y1OTw8ZWcwcWNoYXAuYmlfLS0uLS9zczY0NjZeY2EyYzZjX2IvNjM6Yw%3D%3D&vl=&vr=\n"
     ]
    }
   ],
   "source": [
    "import re\n",
    "\n",
    "import requests\n",
    "\n",
    "headers = {\n",
    "    'User-Agent': 'User-Agent\", \"Mozilla/5.0 (iPhone; CPU iPhone OS 12_1_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/16D57 Version/12.0 Safari/604.1',\n",
    "}\n",
    "\n",
    "url = 'https://v.douyin.com/J8X86mA/'  # 抖音分享的链接，自行更改\n",
    "response = requests.get(url, headers=headers)\n",
    "\n",
    "now_url = response.url\n",
    "pat_item_ids = '/video/(.*?)/'\n",
    "item_ids = re.compile(pat_item_ids, re.S).findall(now_url)\n",
    "\n",
    "pat_dytk = 'dytk: \"(.*?)\"'\n",
    "dytk = re.compile(pat_dytk, re.S).findall(response.text)\n",
    "\n",
    "url = 'https://www.iesdouyin.com/web/api/v2/aweme/iteminfo/'\n",
    "params = {\n",
    "    'item_ids': item_ids,\n",
    "    'dytk': dytk\n",
    "}\n",
    "response = requests.get(url, headers=headers, params=params).json()\n",
    "true_url = response['item_list'][0]['video']['play_addr']['url_list'][0]\n",
    "true_url = true_url.replace('playwm','play')\n",
    "response = requests.get(true_url, headers=headers)\n",
    "true_url = response.url\n",
    "print(true_url)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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