使用requests和正則表達式爬取貓眼電影Top100

import requests
import re
import json
from requests.exceptions import RequestException
def get_one_page(url):
    try:
        response = requests.get(url)
        if response.status_code == 200:
            return response.text
        return None
    except ResquestsException:
        return None
    
def parse_one_page(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(offset):
    url = 'https://maoyan.com/board/4?offset'+str(offset)
    html = get_one_page(url)
    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)])

#學習崔大的python課程
代碼運行後順序沒有疊加，一直不知道什麼原因·····