爬取豆瓣电影top250并存储到mysql数据库

2018-06-18 02:28:20来源:未知 阅读 ()

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import requests
from lxml import etree
import re
import pymysql
import time

conn= pymysql.connect(host='localhost',user='root',passwd='root',db='mydb',port=3306,charset='utf8')
cursor=conn.cursor()

headers={    
    #'User-Agent':'Nokia6600/1.0 (3.42.1) SymbianOS/7.0s Series60/2.0 Profile/MIDP-2.0 Configuration/CLDC-1.0'
    'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36'
}

def get_movie_url(url):
    html=requests.get(url,headers=headers)
    selector=etree.HTML(html.text)
    movie_hrefs=selector.xpath('//div[@class="hd"]/a/@href')
    for movie_href in movie_hrefs:
        get_movie_info(movie_href)
        time.sleep(2)

def get_movie_info(url):
    html=requests.get(url,headers=headers)
    print("开始")
    selector=etree.HTML(html.text)
    try:
        name=selector.xpath('//*[@id="content"]/h1/span[1]/text()')[0]    
        director=selector.xpath('//*[@id="info"]/span[1]/span[2]/a/text()')[0]
        actors=selector.xpath('//*[@id="info"]/span[3]/span[2]')[0]
        actor=actors.xpath('string(.)')
        #style=selector.xpath('//*[@id="info"]/span[5]/text()')[0]
        style=re.findall('<span property="v:genre">(.*?)</span>',html.text,re.S)

        #爬取制片国家不成功
        #country=re.findall('<span class="pl">制片国家/地区:</span>(.*?)<b',selector.text,re.S)[0]
        #country=re.findall('<span property="v:genre">.*?地区:</span>(.*?)<b',selector.text,re.S)[0]
        #countrys=selector.xpath('//*[@id="info"]/br[4]')[0]
        #country=selector.xpath('//*[@id="info"]/text()[2]')[0]
        
        release_time=re.findall('上映日期:</span>.*?>(.*?)</span>',html.text,re.S)[0]
        time=re.findall('片长:</span>.*?>(.*?)</span>',html.text,re.S)[0]
        score=selector.xpath('//*[@id="interest_sectl"]/div[1]/div[2]/strong/text()')[0]
        cursor.execute("insert into doubanmovie (name,director,actor,style,release_time,time,score)values(%s,%s,%s,%s,%s,%s,%s)",(str(name),str(director),str(actor),str(style),str(release_time),str(time),str(score)))
        
    except IndexError:
        pass

if __name__=='__main__':
    urls=['https://movie.douban.com/top250?start={}'.format(str(i)) for i in range(0,25,25)]
    for url in urls:
        get_movie_url(url)
        time.sleep(2)
    conn.commit()
    print("结束")

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