Python爬取猫眼top100排行榜数据含多线程
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# -*- coding: utf-8 -*- import requests from multiprocessing import Pool from requests.exceptions import RequestException import re import json def get_one_page(url): """ 爬取每个页面 :param url: 爬取url地址 :return: 返回网页内容 """ try: response = requests.get(url) if response.status_code == 200: return response.text return None except RequestException: return None def parse_one_page(html): """ 处理筛选网页内容中需要的信息 :param html: 网页内容 :return: 字典 """ pattern = re.compile(‘<dd>.*?board-index.*?>(\d+)</i>.*?data-src="(.*?)".*?name"><a‘ + ‘.*?>(.*?)</a>.*?star">(.*?)</p>.*?releasetime">(.*?)</p>‘ + ‘.*?integer">(.*?)</i>.*?fraction">(.*?)</i>.*?</dd>‘, re.S) items = re.findall(pattern, html) for item in items: yield { ‘index‘: item[0], ‘image‘: item[1], ‘title‘: item[2], ‘actor‘: item[3].strip()[3:], ‘time‘: item[4].strip()[5:], ‘score‘: item[5]+item[6] } def write_to_file(content): """ 将结果数据写入文件 :param content: 需要写入文件的内容 :return: """ with open(‘result.txt‘, ‘a‘, encoding=‘utf-8‘) as f: f.write(json.dumps(content, ensure_ascii=False) + "\n") f.close() def main(offset): """ 主函数 :param offset: offset值,用于构造url :return: """ url = "http://maoyan.com/board/4?offset=" + str(offset) html = get_one_page(url) parse_one_page(html) for item in parse_one_page(html): print(item) write_to_file(item) if __name__ == ‘__main__‘: # for i in range(10): # main(i*10) pool = Pool() pool.map(main, [i*10 for i in range(10)])
【来自天善智能】:https://edu.hellobi.com/course/156/play/lesson/2453
崔大师的代码看着就是舒服。。。。