LG 2012 smart tv

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This is a python script for controlling your Smart Lg TV. This is a simplified version of the (windows) lgcommander script found here.

Replace the ip adress in the script with the ip-adress of your LG tv. First time run the script with any number of your choice (ie 'python3 /home/pi/domoticz/scripts/lgtv2012.py 1'). The pairing key will be displayed on your tv screen. Enter this key in the script.

Remote codes can be found here.

#!/usr/bin/env python3
 
import http.client
import xml.etree.ElementTree as etree
import sys
lgtv = {}
headers = {"Content-Type": "application/atom+xml"}
# Replace 111111 in the next line with the key displayed in the tv screen.
lgtv["pairingKey"] = "111111"
# Replace with the ip adress of your LG tv.
lgtv["ipaddress"] = "x.x.x.x"
 
def displayKey():
    conn = http.client.HTTPConnection( lgtv["ipaddress"], port=8080)
    reqKey = "<?xml version=\"1.0\" encoding=\"utf-8\"?><auth><type>AuthKeyReq</type></auth>"
    conn.request("POST", "/roap/api/auth", reqKey, headers=headers)
    httpResponse = conn.getresponse()
    if httpResponse.reason != "OK" : sys.exit("Network error")
    return httpResponse.reason
 
def getSessionid():
    conn = http.client.HTTPConnection( lgtv["ipaddress"], port=8080)
    pairCmd = "<?xml version=\"1.0\" encoding=\"utf-8\"?><auth><type>AuthReq</type><value>" \
            + lgtv["pairingKey"] + "</value></auth>"
    conn.request("POST", "/roap/api/auth", pairCmd, headers=headers)
    httpResponse = conn.getresponse()
    if httpResponse.reason != "OK" : return httpResponse.reason
    tree = etree.XML(httpResponse.read())
    return tree.find('session').text
 
def handleCommand(cmdcode):
    conn = http.client.HTTPConnection( lgtv["ipaddress"], port=8080)
    cmdText = "<?xml version=\"1.0\" encoding=\"utf-8\"?><command>" \
                + "<name>HandleKeyInput</name><value>" \
                + cmdcode \
                + "</value></command>"
    conn.request("POST", "/roap/api/command", cmdText, headers=headers)
    httpResponse = conn.getresponse()
 
#main()
 
theSessionid = getSessionid()
 
if len(theSessionid) < 8 : sys.exit("Could not get Session Id: " + theSessionid)
 
lgtv["session"] = theSessionid
 
result = str(sys.argv[1])
 
handleCommand(result)