淘宝官方有获取商品推广链接的API，但该API属于增值API 普通开发者没有调用权限 需要申请开通

备注：登陆采用的是阿里妈妈账号登陆非淘宝账号登陆

复制代码 代码如下:
#coding:utf-8
__author__ = \’liukoo\’
import urllib,urllib2,cookielib,re
from hashlib import md5
class alimama:
    def __init__(self):
        self.header = {\’User-Agent\’:\’Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36\’}
        #cookie 支持
        self.cookie_handle = cookielib.CookieJar()
        self.opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(self.cookie_handle))
        urllib2.install_opener(self.opener)
    #登陆
    def login(self,username,passwd):
        login_data = {
            \’logname\’:\’\’,
            \’originalLogpasswd\’:\’\’,
            \’logpasswd\’:\’\’,
            \’proxy\’:\’\’,
            \’redirect\’:\’\’,
            \’style\’:\’\’
        }
        login_data[\’logname\’] =username
        login_data[\’originalLogpasswd\’] =passwd
        login_data[\’logpasswd\’] = md5(login_data[\’originalLogpasswd\’]).hexdigest()
        source = urllib2.urlopen(\’http://www.alimama.com/member/minilogin.htm\’).read()
        token_list = re.findall(r\”input name=\’_tb_token_\’ type=\’hidden\’ value=\'([a-zA-Z0-9]+)\’\”, source)
        login_data[\’_tb_token_\’] = token_list[0] if token_list else \’\’
        loginurl = \’https://www.alimama.com/member/minilogin_act.htm\’
        #拼接post数据
        login_data = urllib.urlencode(login_data)
        self.header[\’Referer\’] = \’http://www.alimama.com/member/minilogin.htm\’
        try:
            req = urllib2.Request(url=loginurl,data=login_data,headers=self.header)
            resp =urllib2.urlopen(req)
            html = resp.read()
            if str(resp.url).find(\’success\’)!=-1:
                return True
        except Exception,e:
            print e
            return False
    #获取商品的推广链接
    def getUrl(self,url):
        try:
            item_id = re.search(r\”id=(\\d+)\”,url)
            item_id = item_id.group(1)
            html = urllib2.urlopen(\’http://u.alimama.com/union/spread/common/allCode.htm?specialType=item&auction_id=\’+item_id).read()
            rule = re.compile(r\”var clickUrl = \\\'([^\\\’]+)\”)
            return rule.search(html).group(1)
        except Exception,e:
            print e
            return False

#example
# ali = alimama()
# if ali.login(\’admin@liuko.com\’,\’xxxxxx\’):
#     url = ali.getUrl(\’http://item.taobao.com/item.htm?spm=a1z10.1.w4004-1205618817.6.Evkf6O&id=19322457214\’)
#     if url:
#         print url
#     else:
#         print \’获取推广链接失败\’
# else:
#     print \’登陆失败\’