学习爬虫day01：抓取网站信息并且下载视频

import requests
import re
import time
import uuid
def save_video(content):
    with open(f'{uuid.uuid4()}.mp4','wb') as f:
        f.write(content)
        print('ok！')
def get_page(url):
  response = requests.get(url)
  return response

def parse_index(html):
    detail_urls = re.findall(
        '<div class="items"><a class="imglink" href="(.*?)"',html,re.s
    )
    print(detail_urls)
    return detail_urls

def parse_detail(html):
    movie_url = re.findall('<source src="(.*?)">',html,re.s)
    if movie_url:
        return movie_url[0]

if __name__ == '__main__':
    url = 'http://www.xiaohuar.com/v/'
    response = get_page(url)
    #print(response)
    #print(response.status_code)
   # print(response.text)
    detail_urls = parse_index(response.text)

    for detail_url in detail_urls:
        #print(detail_url)
        #response = get_page(detail_url)
        detail_res = get_page(detail_url)
        #print(response.text)

        movie_url = parse_detail(detail_res.text)

        if movie_url:
            print(movie_url)

            movie_res = get_page(movie_url)

            save_video(movie_res.content)