Python爬虫類、BeautifulSoupを使用して豆弁映画TOP 250映画情報(BeautifulSoup,lxml)を爬虫類

1972 ワード

   :Python  ,             TOP250   ,https://blog.csdn.net/licx1988/article/details/102869923

  ,  BeautifulSoup    ,

   :BeautifulSoup
   :lxml
     :find() find_all()

BeautifulSoup     :https://www.crummy.com/software/BeautifulSoup/bs4/doc.zh/

        :requests,BeautifulSoup, lxml ,find(), find_all() 。
    :      TOP250         。
#   lxml ,find(), find_all()   ,      TOP250         
import requests
from bs4 import BeautifulSoup
from requests.exceptions import RequestException
import time

headers = {
    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 '
                  '(KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36'
}


def get_page(url):
    try:
        response = requests.get(url)
        if response.status_code == 200:
            return response.text
        return None
    except RequestException:
        print("      ……")


def parse_page(html):
    soup = BeautifulSoup(html, 'lxml')
    for div in soup.find_all(attrs={'class': 'item'}):  #       ,  class    item div  ;
       yield {
            'name': div.find('img').get('alt'),   #      , img   ,   alt    
            'rank': div.find('em').string,  #        ,  em       ;
            'score': div.find(class_='rating_num').string,  #      ,   class    rating_num span  ,  span        
            'movie_url': div.find('a').get('href'),     #      , a   ,  href    
            'movie_pic_url': div.find('img').get('src')  #        , img   ,   src    
        }


def main(start):
    url = 'https://movie.douban.com/top250?start=' + str(start)
    html = get_page(url)
    for item in parse_page(html):
        print(item)


if __name__ == '__main__':
    for i in range(10):
        main(i*25)
        time.sleep(2)