python爬虫抓取猫眼电影top10

以下是使用Python爬虫抓取猫眼电影top10的代码：

import requests
import re
import json

def get_html(url):
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3'}
    try:
        response = requests.get(url, headers=headers)
        if response.status_code == 200:
            return response.text
        return None
    except requests.exceptions.RequestException as e:
        print(e)
        return None

def parsing_html(html):
    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):
    with open('result.txt', 'a', encoding='utf-8') as f:
        f.write(json.dumps(content, ensure_ascii=False) + '\n')

def main():
    for i in range(10):
        offset = i * 10
        url = 'http://maoyan.com/board/4?offset=' + str(offset)
        html = get_html(url)
        for item in parsing_html(html):
            print(item)
            write_to_file(item)

if __name__ == '__main__':
    main()