企业微信群机器人消息，python wx.py `now is date`

wx.py

import sys
import json
import requests

API_URL = 'https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=XXXXXXXXXX'


def send_msg(msg):
    obj = {
        "msgtype": "text",
        "text": {
            "content": msg
        }
    }
    r = requests.post(API_URL, data=json.dumps(obj))
    print r.json()

if __name__ == '__main__':
    msg = ' '.join(sys.argv[1:])
    send_msg(msg)