python爬取猫眼电影top100排行榜

爬取猫眼电影TOP100(http://maoyan.com/board/4?offset=90)
1). 爬取内容: 电影名称，主演， 上映时间，图片url地址保存到mariadb数据库中;
2). 所有的图片保存到本地/mnt/maoyan/电影名.png

代码：

import reimport pymysql as mysqlfrom urllib import requestfrom urllib.request import urlopenu = 'root'p = 'root'd = 'python'sql = 'insert into maoyan_top100 values(%s,%s,%s,%s,%s)'url = 'http://maoyan.com/board/4?offset='pattern = r'
[\s\S]*?board-index.*?>(\d+)[\s\S]*?[\s]*(.*?)[\s]*?
[\s\S]*?releasetime">[\s]*(.*?)[\s]*?
'myAgent = "Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0"conn = mysql.connect(user=u, passwd=p, db=d, charset='utf8', autocommit=True)cur = conn.cursor()def write_to_mysql(item):    cur.executemany(sql,item)def save_picture(rank,img_url,film_name):    img_content = urlopen(img_url).read()    img_name = 'maoyan_images/'+rank+'_'+film_name+'.jpg'    with open(img_name,'wb') as f:        f.write(img_content)def main():    for i in range(10):        page_url = url+str(i*10)        myrequest = request.Request(page_url, headers={'User-Agent': myAgent})        page_content = urlopen(myrequest).read().decode('utf-8')        items = re.findall(pattern,page_content)        # [('1', 'http://p1.meituan.net/movie/20803f59291c47e1e116c11963ce019e68711.jpg@160w_220h_1e_1c', '霸王别姬', '主演：张国荣,张丰毅,巩俐', '上映时间：1993-01-01')...]        write_to_mysql(items)        for item in items:            save_picture(item[0],item[1],item[2])if __name__ == '__main__':    main()

爬取结果：
1）保存海报图片

2）数据库数据