python实现抖音视频批量下载

import requests
import bs4
import os
import json
import re
import sys
import time
from contextlib import closing
requests.packages.urllib3.disable_warnings()
class Spider():
  def __init__(self):
    self.headers = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.146 Safari/537.36'
            }
    print('[INFO]:Douyin App Video downloader...')
    print('[Version]: V1.0')
    print('[Author]: Charles')
  # 外部调用运行
  def run(self):
    user_id = input('Enter the ID:')
    try:
      int(user_id)
    except:
      print('[Error]:ID error...')
      return
    video_names, video_urls, nickname = self._parse_userID(user_id)
    if nickname not in os.listdir():
      os.mkdir(nickname)
    print('[INFO]:Number of Videos <%s>' % len(video_urls))
    for num in range(len(video_names)):
      print('[INFO]:Parsing <No.%d> <Url:%s>' % (num+1, video_urls[num]))
      temp = video_names[num].replace('\\', '')
      video_name = temp.replace('/', '')
      self._downloader(video_urls[num], os.path.join(nickname, video_name))
      print('\n')
    print('[INFO]:All Done...')
  # 视频下载
  def _downloader(self, video_url, path):
    size = 0
    download_url = self._get_download_url(video_url)
    with closing(requests.get(download_url, headers=self.headers, stream=True, verify=False)) as response:
      chunk_size = 1024
      content_size = int(response.headers['content-length'])
      if response.status_code == 200:
        sys.stdout.write('[File Size]: %0.2f MB\n' % (content_size/chunk_size/1024))
        with open(path, 'wb') as f:
          for data in response.iter_content(chunk_size=chunk_size):
            f.write(data)
            size += len(data)
            f.flush()
            sys.stdout.write('[Progress]: %0.2f%%' % float(size/content_size*100) + '\r')
            sys.stdout.flush()
  # 获得视频下载地址
  def _get_download_url(self, video_url):
    res = requests.get(url=video_url, verify=False)
    soup = bs4.BeautifulSoup(res.text, 'lxml')
    script = soup.find_all('script')[-1]
    video_url_js = re.findall('var data = \[(.+)\];', str(script))[0]
    html = json.loads(video_url_js)
    return html['video']['play_addr']['url_list'][0]
  # 通过user_id获取该用户发布的所有视频
  def _parse_userID(self, user_id):
    video_names = []
    video_urls = []
    unique_id = ''
    while unique_id != user_id:
      search_url = 'https://api.amemv.com/aweme/v1/discover/search/"text-align: center">

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