sonoff POW MQTT to emoncms publisher

sonoff2emoncms.py

#!/usr/bin/env python
import paho.mqtt.client as mqtt
import json
import time
import requests

nodename="sonoff"
apikey="--xx--"
url="https://emoncms.org/input/post"

def on_connect(client, userdata, flags, rc):
    global nodename
    print("Connected with result code " + str(rc))
    client.subscribe("tele/%s/#"%nodename)
    client.publish("cmnd/%s/TelePeriod"%nodename, 60)

def on_message(client, userdata, msg):
    print(msg.topic + " " + str(msg.payload))
    if msg.topic.endswith("SENSOR"):
        # {"Time":"2018-05-19T12:05:02","ENERGY":{"Total":0.264,"Yesterday":0.046,"Today":0.045,"Power":2,"Factor":0.12,"Voltage":221,"Current":0.080}}
        try:
            dat = json.loads(msg.payload.decode())
            ts = time.strptime(dat["Time"],"%Y-%m-%dT%H:%M:%S") 
            uts= time.mktime(ts)+3600.0
            postdata="time=%d&node=%s&apikey=%s&fulljson=%s"%(int(uts),nodename,apikey,json.dumps(dat["ENERGY"],separators=(',', ':')))
            #geturl='https://emoncms.org/input/post/%s?time=%d&fulljson=%s&apikey=%s'%(nodename,int(uts),json.dumps(dat["ENERGY"],separators=(',', ':')),apikey )
            print("POST data:", postdata)
            #print("curl --data '%s' '%s'"%(postdata,"https://emoncms.org/input/post"))
            r = requests.post(url, data=dict(node=nodename,apikey=apikey,time=int(uts),data=json.dumps(dat["ENERGY"],separators=(',', ':'))))
            print("POST->",r.text)
        except Exceltion as e:
            print("Error:",e)

client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message

client.connect("localhost", 1883, 60)

client.loop_forever()

Small typing error on line 31, should be Exception and not Exceltion