豆瓣电影TOP250和书籍TOP250爬虫

豆瓣电影 top250 和书籍 top250 爬虫

最近开始玩 python , 学习爬虫相关知识的时候，心血来潮，爬取了豆瓣电影top250 和书籍top250, 这里记录一下自己玩的过程。

电影 top250 爬虫

import requests
from bs4 import beautifulsoup
import time


def getlist(list_url):
    time.sleep(2)
    res = requests.get(list_url)
    soup = beautifulsoup(res.text, 'html.parser')
    movie_list = soup.select('.grid_view li')
    for m in movie_list:
        rank = m.select('em')[0].text
        score = m.select('.rating_num')[0].text
        title = m.select('.title')[0].text
        direct = m.select('.info .bd p')[0].text.strip()
        actor = '\n主演:'.join(direct.split('   主演:'))
        director = '年代:'.join(actor.split('                           '))
        if m.select('.inq'):
            comments = m.select('.inq')[0].text.strip()
        else:
            comments = 'none'
        movie.append(
            '排名: ' + rank + '\n'
            + '评分: ' + score + '\n'
            + '片名: ' + title + '\n'
            + director + '\n'
            + '评论: ' + comments + '\n'
            + '\n')
    if soup.select('.next a'):
        asoup = soup.select('.next a')[0]['href']
        next_page = seed_url + asoup
        getlist(next_page)
    else:
        print('结束')
    return movie


def write(movies):
    with open('movie.txt', 'w', encoding='utf8') as m:
        for a in movies:
            m.write(a)


def main():
    write(getlist(seed_url))
    pass


if __name__ == '__main__':
    seed_url = 'https://movie.douban.com/top250'
    movie = []
    main()

书籍 top250 爬虫

import bs4
import requests
import re
from bs4 import beautifulsoup
from operator import itemgetter


def gethtmltext(url):
    try:
        r = requests.get(url)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return ""


def parsertext(text, book_list):
    soup = beautifulsoup(text, 'html.parser')
    for table in soup('table', {'width': '100%'}):
        if isinstance(table, bs4.element.tag):
            tds = table.find('tr')('td')
            divs = tds[1]('div')
            content = {}
            for div in divs:
                if isinstance(div, bs4.element.tag):
                    if div.find('a'):
                        name = div.find('a').attrs['title']
                        content.update({"书名": name})
                    if div.select('.rating_nums'):
                        score = div.select('.rating_nums')[0].text
                        content.update({"评分": score})
                    if div.select('.pl'):
                        people_num = div.select('.pl')[0].text
                        regex = re.compile(r'[\d]{1,10}')
                        content.update({"评价人数": regex.findall(people_num)[0]})

            ps = tds[1]('p')
            for p in ps:
                if isinstance(p, bs4.element.tag):
                    if p.attrs['class'][0] == 'quote':
                        description = p.find('span').string
                        content.update({"介绍": description})
                    if p.attrs['class'][0] == 'pl':
                        author = p.string
                        content.update({"作者信息": author})

            book_list.append(content)

    next_books = soup.find('span', {'class': 'next'})
    if next_books.find('a'):
        a = next_books.find('a').attrs['href']
        text = gethtmltext(a)
        parsertext(text, books)

    return book_list


def sortedbooktop250(book_list):
    tmp = sorted(book_list, key=itemgetter('评分'), reverse=true)
    for i in range(len(tmp)):
        tmp[i].update({"排名": i + 1})
    return tmp


def writetofile(book_list):
    with open('good_books.txt', 'w', encoding='utf8') as book_file:
        for book in book_list:
            for key, value in book.items():
                book_file.write(f'{key}:{value}\n')
            book_file.write('\n')
    pass


def main():
    text = gethtmltext(seed_url)
    book_list = parsertext(text, books)
    writetofile(sortedbooktop250(book_list))
    pass


if __name__ == '__main__':
    seed_url = "https://book.douban.com/top250"
    books = []
    main()

总结

• 点击查看我的github
• 点击查看我的个人blog
• 日拱一卒，不期速成

以上直接贴出了代码，这是很简单的两段代码，主要用到了 requests 库和 beautifulsoup 库，需要的可以直接拿去，或者直接去我的 github上拿 movies.txt 和 good_books.txt