import urllibimport urllib2import cookielibimport jsonimport reimport getpassclass Login_kp:    def __init__(self):        cj = cookielib.CookieJar()        self.opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))        urllib2.install_opener(self.opener)        self.opener.addheaders = [('User-agent', 'IE')]    def login(self, username, password):        url = 'https://www.kuaipan.cn/index.php?ac=account&op=login'        data = urllib.urlencode({
   'username':username, 'userpwd':password})        req = urllib2.Request(url, data)        #print "First"        try:            fd = self.opener.open(req)        except Exception, e:            print(u'Http feedback wriong!')            return False        print fd.url   #用于调试，一开始的时候url写错了        if fd.url != "http://www.kuaipan.cn/home.htm":            print(u"coding error")            return False        print(u'%s Login ready to sign..   ' % username),        return True    def logout(self):        url = 'http://www.kuaipan.cn/index.php?ac=account&op=logout'        req = urllib2.Request(url)        fd = self.opener.open(req)        fd.close()            def sign(self):        url = 'http://www.kuaipan.cn/index.php?ac=common&op=usersign'        req = urllib2.Request(url)        fd = self.opener.open(req)        sign_js = json.loads(fd.read())        if sign_js['state'] == -102:            print(u"already signed")        elif sign_js['state'] == 1:            print(u"sign successfully score：%d，total：%d；space getting：%dM\n" % (sign_js['increase'], sign_js['status']['points'], sign_js['rewardsize']))        else:            print(u"sign fail！")        #print type(sign_js)        fd.close()if __name__ == '__main__':    l = Login_kp()    name = raw_input('Email Address: ')    pwd = getpass.getpass("enter password for user %s: " % name)  #这个功能：输入密码不回显在windows下不能支持，但是在Linux可以支持    if l.login(name, pwd) == False:        exit(0)    l.sign()

注：该代码来源于网络，做了些修改之后在IDLE和PyDev上运行成功，并尝试了使用getpass()函数来保护密码的输入

之前学过一段时间的Python，主要学习的是“Python 基础教程”，看了一些“Python Essential Reference”（感觉这本书较难，但是讲得很透彻），也看过一些“Dive into python”。感觉Python的学习主要还是库的学习。希望能够坚持学习Python，Python真的狠可爱