Python 猫眼TOP排行棒爬虫

#coding:utf-8

# 依赖
import re
import time
import json
import requests
from requests.exceptions import RequestException

# 解析url地址
def get_one_page(url):
    try:

        response = requests.get(url)

        if response.status_code == 200:

                return response.text
        return None

    except RequestException:
        return None

# 处理每条数据的html节点数据
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]
            }
# 写入文件
def write_to_file(content):
    with open('result.txt', 'a', encoding='utf-8') as f:
        f.write(json.dumps(content, ensure_ascii=False) + '\n')

# 每次爬取的量 offset
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(offset=i*10)
        time.sleep(3)
gaowei1012 / blog

Python 猫眼TOP排行棒爬虫 #59
