Python3爬取猫眼电影信息

import json

import requests

from requests.exceptions import RequestException

import re

import time

#爬取猫眼电影信息

def get_one_page(url):

		#增加了User-Agent识别，需要在headers中添加User-Agent参数。

    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

	#正则提取

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)

	#遍历提取结果并生成字典

    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')

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)

	#分页爬取

if __name__ == '__main__':

    for i in range(10):

        main(offset=i * 10)

		#延时等待

        time.sleep(1)
巴特西

Python3爬取猫眼电影信息

Python3爬取猫眼电影信息

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