python requests+pyquery爬取猫眼top100

import requests
from pyquery import PyQuery as pq
import time
import json
def get_one_page(url):
    res=requests.get(url)
    return res.content.decode()

def parse_one_page(html):
    doc=pq(html)
    dd=doc('.board-wrapper dd')
    for item in dd.items():
        a=item.find('i').eq(0).text()
        b=item.find('.name>a').text()
        c=item.find('.star').text()
        d=item.find('.releasetime').text()
        e=item.find('.score i').eq(0).text()+item.find('.score i').eq(1).text()
        yield{
            '排名':a,
            '剧名':b,
            '主演':c[3:],
            '上映时间':d[5:],
            '评分':e
        }

def write_one_page(parse):
    with open('maoyan.txt','a',encoding='utf-8') as f:
        f.write(json.dumps(parse,ensure_ascii=False)+'\n')


def main(offset):
    url='https://maoyan.com/board/4?offset='+str(offset)
    html=get_one_page(url)
    for parse in parse_one_page(html):
        print(parse)
        write_one_page(parse)

if __name__ == '__main__': 
    for i in range(10): 
        print('第%d页解析成功'%(i+1))
        main(i*10)
        time.sleep(2)