python实现指定微信好友发消息

from __future__ import unicode_literals
from threading import Timer
from wxpy import *
import requests

bot = None
def get_news():
    url = "http://open.iciba.com/dsapi/"
    result = requests.get(url)
    print(result.json())
    contents = result.json()['content']
    translation = result.json()['translation']
    return contents, translation
def login_wechat():
    global bot
    bot = Bot()
def send_news():
    if bot == None:
        login_wechat()
    try:
        my_friend = bot.friends().search(u'微信好友备注')[0] 
        my_friend.send(get_news()[1][5:])
        my_friend.send(u"叫爸爸")
        t = Timer(360, send_news) #时隔多久
        t.start()
    except:
        print(u"失败")
if __name__ == "__main__":
    send_news()
    print(get_news()[0])