使用python登陆Yahoo邮箱

def loginYahoo(username, password):	
	url0 = \'\'\'
	http://mail.yahoo.com.cn
	\'\'\'	
	response = opener.open(url0)
	data0 = response.read()
	
	done =re.search( r\'(?<=(value=")).*?(?=")\', re.search( r\'(?<=(name=\.done)).*?(?=>)\', data0 ).group()).group()
	challenge = re.search( r\'(?<=(value=")).*?(?=")\', re.search( r\'(?<=(name="\.challenge")).*?(?=>)\', data0 ).group()).group()


	url1 = \'\'\'
	http://edit.bjs.yahoo.com/config/login
	\'\'\'
	values = {
		\'.intl\' : \'cn\',
		\'.done\' : "%s%s" % (done, "%26.remember%3Dy%26.persistent%3D"),
		\'.src\' : \'ym\',
		\'.cnrid\' : \'ymhp_20000\',
		\'.challenge\' : \'%s\' % challenge,
		\'login\' : \'%s@yahoo.cn\' % username,
		\'passwd\' : \'%s\' % password,
		\'.remember\' : \'y\',
		\'submit\' : \'%B5%C7%C2%BC\'
	}
	
	data = urllib.urlencode(values)
	req = urllib2.Request(url1, data)
	req.add_header(\'Referer\', \'http://mail.cn.yahoo.com/\')
	response = opener.open(req)
	data2 =response.read()
	
	folder = re.search( r\'(?=(showFolder)).*?(?=")\', data2).group()	
	total = re.search( r\'(?<=(tt=)).*\', folder).group()
	num_per_page = re.search( r\'(?<=(pSize=)).*?(?=&)\', folder ).group()
	num_per_page = string.atoi(num_per_page)
	mod = string.atoi(total) % num_per_page
	num_times = string.atoi(total) / num_per_page
	if mod > 0 :
		num_times += 1;
	
	index = 0
	for i in xrange(num_times):
		url2 = "http://cn.mc924.mail.yahoo.com/mc/%s&startMid=%d" % (folder, i * num_per_page )
		response = opener.open(url2)
		data3 = response.read()	
		
		for match in re.finditer(r\'(?<=(showMessage)).*?(?=\>)\', data3):
			index += 1
			part1 = "第%d封邮件" % index
			part2 = "%s" % match.group()
			part1 = part1.decode(\'utf8\').encode(\'gbk\')
			subject = re.search( r\'(?<=(title=")).*?(?=")\', part2 ).group()
			subject = part1.decode(\'gbk\') + "    " + subject.decode(\'utf8\')
			print( subject.encode(\'gbk\'))