forked from ubaransel/lgcommander
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lgcommander.py
executable file
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lgcommander.py
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#!/usr/bin/env python3
import http.client
import socket
import sys
import curses
import time
import logging
import argparse
import time
from threading import Thread
sys.path.insert(0, 'deps/Xlib/')
sys.path.insert(0, 'deps/PyUserInput/')
from pymouse import PyMouseEvent
from pykeyboard import PyKeyboardEvent
logging.basicConfig(filename='debug.log', level=logging.INFO)
logger = logging.getLogger(__name__)
class LGTV(object):
class Keys(object):
_3D = 400
ARROW_DOWN = 13
ARROW_LEFT = 14
ARROW_RIGHT = 15
ARROW_UP = 12
BACK = 23
BLUE = 29
BTN_1 = 5
BTN_2 = 6
BTN_3 = 7
BTN_4 = 8
CH_DOWN = 28
CH_UP = 27
ENTER = 20
EXIT = 412
EXTERNAL_INPUT = 47
GREEN = 30
HOME = 21
MUTE = 26
MYAPPS = 417
NETCAST = 408
PAUSE = 34
PLAY = 33
POWER_OFF = 1
PREV_CHANNEL = 403
RED = 31
STOP = 35
VOL_DOWN = 25
VOL_UP = 24
YELLOW = 32
def __init__(self, ip=None, pairing_key=None):
self.ip = ip
self.pairing_key = pairing_key
self.headers = {"Content-Type": "application/atom+xml"}
self.boilerplate = "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
if not self.ip: self.discover()
self.conn = http.client.HTTPConnection(self.ip, port=8080)
def __del__(self):
self.conn.close()
def __str__(self):
return 'IP: %s\nPairing key: %s' % (self.ip, self.pairing_key)
def __req(self, path, cmd, mode='POST'):
self.conn.request(mode, path, self.boilerplate + cmd, headers=self.headers)
return self.conn.getresponse()
def showPairingKeyOnTV(self):
logger.info('Showing key on TV')
if self.__req('/roap/api/auth',
"""<auth>
<type>AuthKeyReq</type>
</auth>""").reason != 'OK':
raise(Exception('Network error'))
def authenticate(self):
logger.info('Authenticating')
return self.__req('/roap/api/auth',
"""<auth>
<type>AuthReq</type>
<value>%s</value>
</auth>""" % self.pairing_key).reason
def pressKey(self, code):
self.__req('/roap/api/command',
"""<command>"
<name>HandleKeyInput</name>
<value>%s</value>
</command>""" % code)
def moveMouse(self, x, y):
self.__req('/roap/api/command',
"""<command>
<name>HandleTouchMove</name>
<x>%d</x>
<y>%d</y>
</command>""" % (x, y))
def clickMouse(self):
self.__req('/roap/api/command',
"""<command>
<name>HandleTouchClick</name>
</command>""")
def discover(self):
logger.info('Discovering LG TV')
#TODO: implement B-SEARCH instead:
# http://developer.lgappstv.com/TV_HELP/topic/lge.tvsdk.references.book/html/UDAP/UDAP/Extensions%20B%20SEARCH.htm?path=4_0_0_1_2#_Toc353804387
strToSend = 'M-SEARCH * HTTP/1.1' + '\r\n' + \
'HOST: 239.255.255.250:1900' + '\r\n' + \
'MAN: "ssdp:discover"' + '\r\n' + \
'MX: 2' + '\r\n' + \
'ST: urn:schemas-upnp-org:device:MediaRenderer:1' + '\r\n' + '\r\n'
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.settimeout(3)
for retries in range(6):
sock.sendto(strToSend.encode(), ('239.255.255.250', 1900 ) )
try:
gotbytes, addressport = sock.recvfrom(512)
gotstr = gotbytes.decode()
except:
continue
if 'LG' in gotstr:
self.ip = addressport[0]
sock.close()
return
raise(Exception('Lg TV not found'))
class UI(object):
def __init__(self, scr):
self.scr = scr
curses.noecho()
self.lgtv = None
def __del__(self):
curses.echo()
curses.endwin()
def tell(self, truth):
self.scr.clear()
self.scr.addstr(curses.LINES - 1, 0, truth)
def ask(self, question):
self.scr.clear()
question_lines = len(question.splitlines())
self.scr.addstr(curses.LINES - question_lines - 2, 0, question)
self.scr.addstr(curses.LINES - 1, 0, ">>> ")
curses.echo()
answer = self.scr.getstr(curses.LINES - 1, 4).decode(encoding="utf-8")
curses.noecho()
self.scr.refresh()
return answer
def run(self):
while True:
cmd = self.ask("Code to send?")
if isinstance(cmd, int):
self.lgtv.pressKey(cmd)
class Mouse(PyMouseEvent):
def __init__(self, lgtv):
PyMouseEvent.__init__(self)
self.lgtv = lgtv
self.x = 0
self.y = 0
self.refresh_rate = 2 #bigger = slower
self.sensitivity = 1 #bigger = higher
self.count = 0
def move(self, x, y):
self.count += 1
if self.count % self.refresh_rate:
return
delta_x, delta_y = x - self.x, y - self.y
self.x, self.y = x, y
self.lgtv.moveMouse(delta_x*self.refresh_rate,
delta_y*self.refresh_rate)
def click(self, x, y, button, press):
if not press: return
if button == 1:
self.lgtv.clickMouse()
if button == 2:
self.lgtv.pressKey(LGTV.Keys.BACK)
class Keyboard(PyKeyboardEvent):
def __init__(self, lgtv):
PyKeyboardEvent.__init__(self)
self.lgtv = lgtv
self.ctrl = False
def tap(self, keycode, char, press):
if not press: return
if char == 'h':
self.lgtv.pressKey(LGTV.Keys.ARROW_LEFT)
elif char == 'j':
self.lgtv.pressKey(LGTV.Keys.ARROW_DOWN)
elif char == 'k':
self.lgtv.pressKey(LGTV.Keys.ARROW_UP)
elif char == 'l':
self.lgtv.pressKey(LGTV.Keys.ARROW_RIGHT)
elif char == 'Return':
self.lgtv.pressKey(LGTV.Keys.ENTER)
elif char == 'BackSpace':
self.lgtv.pressKey(LGTV.Keys.BACK)
def main(scr):
p = argparse.ArgumentParser()
p.add_argument('-H', '--host', help='IP address FQDN of the LG TV')
p.add_argument('-k', '--pairing-key', help='Pairing key for your LG TV')
args = p.parse_args()
try:
ui = UI(scr)
ui.tell("Discovering LG TV...")
lgtv = LGTV(args.host, args.pairing_key)
ui.lgtv = lgtv
m = Mouse(lgtv)
k = Keyboard(lgtv)
while lgtv.authenticate() == "Unauthorized":
lgtv.showPairingKeyOnTV()
lgtv.pairing_key = ui.ask("Please enter the pairing key\nyou see on your TV screen\n")
lgtv.authenticate()
for i in m.run, k.run, ui.run:
t=Thread(target=i)
t.daemon=True
t.start()
while True: time.sleep(100)
except (KeyboardInterrupt, SystemExit):
del ui
del lgtv
del m
if __name__ == '__main__':
curses.wrapper(main)