熱播電影推薦

 練習xPath，爬取豆瓣正在放映電影，獲取電影信息，按評分對電影排序。

import requests
from lxml import etree
import operator


def get_text():
    # 把源代碼爬取下來
    headers = {
        'Referer': 'https://movie.douban.com/',
        'User-Agent': 'Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0'
    }
    url = 'https://movie.douban.com/cinema/nowplaying/zhengzhou/'

    resp = requests.get(url, headers=headers)
    with open('douan.html', 'w', encoding='utf-8') as fp:
        fp.write(resp.text)


# 解析
def parser_contents():
    nowplaying = []
    parser = etree.HTMLParser(encoding='utf-8')
    html = etree.parse('douan.html', parser=parser)
    movies = html.xpath('/html/body/div[3]/div[1]/div/div[1]/div[3]/div[2]/ul/li')
    for movie in movies:
        # print(etree.tostring(movie, encoding='utf-8').decode('utf-8'))
        time = movie.xpath('.//@data-release')
        title = movie.xpath('.//@data-title')
        score = movie.xpath('.//@data-score')
        duration = movie.xpath('.//@data-duration')
        director = movie.xpath('.//@data-director')
        actors = movie.xpath('.//@data-actors')

        # print(time, score, duration, director, actors)
        picture = movie.xpath('.//li[1]//img/@src')[0]
        details = movie.xpath('.//li[2]/a//@href')[0]
        buy_ticket = movie.xpath('.//li[4]/a//@href')[0]

        info = {
            '電影名稱': title,
            '上映時間': time,
            '評分': score,
            '時長': duration,
            '導演': director,
            '演員': actors,
            '海報': picture,
            '詳細': details,
            '選座購票': buy_ticket,
        }
        nowplaying.append(info)
    return nowplaying


if __name__ == '__main__':
    get_text()
    nowplaying = parser_contents()
    print(len(nowplaying))
    # 按評分排序
    nowplaying = sorted(nowplaying, key=operator.itemgetter('評分'), reverse=True)
    for i in nowplaying:
        print(i)
        print('\n')

運行截圖：