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python-lgtv
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===========
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Simple class for pairing with and sending remote control commands to 2012+ LG TVs
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Simple class for pairing with and controlling your 2012+ LG TV with python. Example included.
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example.py
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example.py
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from lg import Remote
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if __name__ == "__main__":
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try:
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Remote()
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except Remote.NoPairingKey:
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key = raw_input('Enter pairing key: ')
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remote = Remote(key)
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remote.send_command(Remote.VOLUME_UP)
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lg.py
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lg.py
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from __future__ import unicode_literals
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import re
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import socket
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import httplib
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from xml.etree import ElementTree
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class Remote():
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def __init__(self, pair_key=None):
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self.pair_key = pair_key
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self.ip_address = self.find_tv()
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if not self.ip_address:
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raise Remote.NoTVFound
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if self.pair_key:
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self.get_session()
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else:
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self.request_pair()
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raise Remote.NoPairingKey
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def find_tv(self, retries=10):
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request = 'M-SEARCH * HTTP/1.1\r\n' \
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'HOST: 239.255.255.250:1900\r\n' \
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'MAN: "ssdp:discover"\r\n' \
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'MX: 2\r\n' \
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'ST: urn:schemas-upnp-org:device:MediaRenderer:1\r\n\r\n'
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.settimeout(3)
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while retries > 0:
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sock.sendto(request, ('239.255.255.250', 1900))
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try:
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response, address = sock.recvfrom(512)
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except:
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retries -= 1
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continue
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if re.search('LG', response):
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sock.close()
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return address[0]
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retries -= 1
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sock.close()
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return None
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def make_request(self, endpoint, content, extra_headers={}):
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http = httplib.HTTPConnection(self.ip_address, port=8080)
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headers = {'Content-Type': 'application/atom+xml'}
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headers.update(extra_headers)
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http.request("POST", endpoint, content, headers=headers)
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response = http.getresponse()
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tree = ElementTree.XML(response.read())
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return tree
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def request_pair(self):
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content = """
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<?xml version="1.0" encoding="utf-8"?>
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<auth>
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<type>AuthKeyReq</type>
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</auth>
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"""
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self.make_request('/roap/api/auth', content)
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def get_session(self):
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content = """
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<?xml version="1.0" encoding="utf-8"?>
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<auth>
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<type>AuthReq</type>
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<value>{0}</value>
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</auth>
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""".format(self.pair_key)
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response = self.make_request('/roap/api/auth', content)
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return response.find('session').text
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def send_command(self, code):
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content = """
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<?xml version="1.0" encoding="utf-8"?>
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<command>
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<name>HandleKeyInput</name>
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<value>{0}</value>
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</command>
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""".format(code)
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self.make_request('/roap/api/command', content)
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# exceptions
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class NoPairingKey(Exception):
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pass
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class NoTVFound(Exception):
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pass
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# command codes
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POWER = 1
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NUM_0 = 2
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NUM_1 = 3
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NUM_2 = 4
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NUM_3 = 5
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NUM_4 = 6
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NUM_5 = 7
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NUM_6 = 8
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NUM_7 = 9
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NUM_8 = 10
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NUM_9 = 11
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UP = 12
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DOWN = 13
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LEFT = 14
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RIGHT = 15
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OK = 20
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HOME = 21
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MENU = 22
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BACK = 23
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VOLUME_UP = 24
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VOLUME_DOWN = 25
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MUTE = 26
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CHANNEL_UP = 27
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CHANNEL_DOWN = 28
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BLUE = 29
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GREEN = 30
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RED = 31
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YELLOW = 32
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PLAY = 33
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PAUSE = 34
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STOP = 35
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FF = 36
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REW = 37
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SKIP_FF = 38
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SKIP_REW = 39
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REC = 40
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REC_LIST = 41
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LIVE = 43
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EPG = 44
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INFO = 45
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ASPECT = 46
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EXT = 47
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PIP = 48
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SUBTITLE = 49
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PROGRAM_LIST = 50
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TEXT = 51
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MARK = 52
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_3D = 400
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_3D_LR = 401
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DASH = 402
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PREV = 403
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FAV = 404
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QUICK_MENU = 405
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TEXT_OPTION = 406
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AUDIO_DESC = 407
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NETCAST = 408
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ENERGY_SAVE = 409
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AV = 410
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SIMPLINK = 411
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EXIT = 412
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RESERVE = 413
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PIP_CHANNEL_UP = 414
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PIP_CHANNEL_DOWN = 415
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PIP_SWITCH = 416
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APPS = 417
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