def xml_decode()

in sample/topic/server.py [0:0]
33 lines of code
10 McCabe index (conditional complexity)

    def xml_decode(self, data, msg):
        if data == "":
            _LOGGER.error("Data is \"\".")
            return False
        try:
            dom = xml.dom.minidom.parseString(data)
        except Exception as e:
            _LOGGER.error("Parse string fail, exception:%s" % e)
            return False

        node_list = dom.getElementsByTagName("Notification")
        if not node_list:
            _LOGGER.error("Get node of \"Notification\" fail")
            return False

        data_dic = {}
        for node in node_list[0].childNodes:
            if node.nodeName != "#text" and node.childNodes != []:
                data_dic[node.nodeName] = node.firstChild.toxml().encode('utf-8')

        key_list = ["TopicOwner", "TopicName", "Subscriber", "SubscriptionName", "MessageId", "MessageMD5", "Message",
                    "PublishTime"]
        for key in key_list:
            if key not in data_dic.keys():
                _LOGGER.error("Check item fail. Need \"%s\"." % key)
                return False

        msg.topic_owner = data_dic["TopicOwner"]
        msg.topic_name = data_dic["TopicName"]
        msg.subscriber = data_dic["Subscriber"]
        msg.subscription_name = data_dic["SubscriptionName"]
        msg.message_id = data_dic["MessageId"]
        msg.message_md5 = data_dic["MessageMD5"]
        msg.message_tag = data_dic["MessageTag"] if data_dic.has_key("MessageTag") else ""
        msg.message = data_dic["Message"]
        msg.publish_time = data_dic["PublishTime"]
        return True