import json

 import requests

 from requests.exceptions import RequestException

 import re

 import time

 def get_one_page(url):

     try:

         headers = {

             'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36'

         }

         response = requests.get(url, headers=headers)

         if response.status_code == 200:

             return response.text

         return None

     except RequestException:

         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 = 'http://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(offset=i * 10)

         time.sleep(1)