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import json
import asyncio
from async_upnp_client.client_factory import UpnpFactory
from async_upnp_client.aiohttp import AiohttpRequester
# from async_upnp_client.aiohttp import AiohttpNotifyServer
import openhomedevice.didl_lite as didl_lite
import xml.etree.ElementTree as etree
# def on_event(service, service_variables):
# """Handle a UPnP event."""
# print(
# "State variable change for %s, variables: %s",
# service,
# ",".join([sv.name for sv in service_variables]),
# )
# obj = {
# "service_id": service.service_id,
# "service_type": service.service_type,
# "state_variables": {sv.name: sv.value for sv in service_variables},
# }
# print(json.dumps(obj))
class Device(object):
def __init__(self, location):
self.location = location
def setup_services(self):
self.product_service = self.device.service_id(
"urn:av-openhome-org:serviceId:Product"
)
self.volume_service = self.device.service_id(
"urn:av-openhome-org:serviceId:Volume"
)
self.transport_service = self.device.service_id(
"urn:av-openhome-org:serviceId:Transport"
)
self.playlist_service = self.device.service_id(
"urn:av-openhome-org:serviceId:Playlist"
)
self.info_service = self.device.service_id("urn:av-openhome-org:serviceId:Info")
self.pins_service = self.device.service_id("urn:av-openhome-org:serviceId:Pins")
self.radio_service = self.device.service_id(
"urn:av-openhome-org:serviceId:Radio"
)
self.update_service = self.device.service_id("urn:linn-co-uk:serviceId:Update")
async def init(self):
requester = AiohttpRequester()
factory = UpnpFactory(requester)
self.device = await factory.async_create_device(self.location)
self.setup_services()
# async def subscribe(self, service):
# service.on_event = on_event
# await self.server.event_handler.async_subscribe(service)
# async def setup_subscriptions(self):
# self.server = AiohttpNotifyServer(self.device.requester, 41234)
# await self.server.start_server()
# print("Listening on: %s", self.server.callback_url)
# await self.subscribe(self.product_service)
# await self.subscribe(self.volume_service)
# await self.subscribe(self.transport_service)
# await self.subscribe(self.info_service)
# while True:
# await asyncio.sleep(120)
# await self.server.event_handler.async_resubscribe_all()
def uuid(self):
return self.device.udn
def manufacturer(self):
return self.device.manufacturer
def model_name(self):
return self.device.model_name
def friendly_name(self):
return self.device.friendly_name
async def name(self):
action = self.product_service.action("Product")
return (await action.async_call())["Name"]
async def room(self):
action = self.product_service.action("Product")
return (await action.async_call())["Room"]
async def set_standby(self, standby_requested):
await self.product_service.action("SetStandby").async_call(
Value=standby_requested
)
async def is_in_standby(self):
action = self.product_service.action("Standby")
return (await action.async_call())["Value"]
async def transport_state(self):
if self.transport_service:
action = self.transport_service.action("TransportState")
return (await action.async_call()).get("State")
if (await self.source())["type"] == "Radio":
action = self.radio_service.action("TransportState")
return (await action.async_call()).get("Value")
action = self.playlist_service.action("TransportState")
return (await action.async_call()).get("Value")
async def play(self):
if self.transport_service:
await self.transport_service.action("Play").async_call()
else:
if (await self.source())["type"] == "Radio":
await self.radio_service.action("Play").async_call()
else:
await self.playlist_service.action("Play").async_call()
async def play_media(self, track_details):
if self.radio_service and track_details:
set_channel_action = self.radio_service.action("SetChannel")
uri = track_details.get("uri", "")
await set_channel_action.async_call(
Uri=uri, Metadata=didl_lite.generate_string(track_details)
)
await self.radio_service.action("Play").async_call()
async def stop(self):
if self.transport_service:
await self.transport_service.action("Stop").async_call()
else:
if (await self.source())["type"] == "Radio":
await self.radio_service.action("Stop").async_call()
else:
await self.playlist_service.action("Stop").async_call()
async def pause(self):
if self.transport_service:
await self.transport_service.action("Pause").async_call()
else:
if (await self.source())["type"] == "Radio":
await self.radio_service.action("Pause").async_call()
else:
await self.playlist_service.action("Pause").async_call()
async def skip(self, offset):
action = None
if self.transport_service:
action = (
self.transport_service.action("SkipNext")
if offset > 0
else self.transport_service.action("SkipPrevious")
)
else:
if (await self.source())["type"] == "Playlist":
action = (
self.playlist_service.action("Next")
if offset > 0
else self.playlist_service.action("Previous")
)
if action:
for x in range(0, abs(offset)):
await action.async_call()
async def source(self):
index_action = self.product_service.action("SourceIndex")
source_index = (await index_action.async_call())["Value"]
source_action = self.product_service.action("Source")
source_result = await source_action.async_call(Index=source_index)
return {"type": source_result["Type"], "name": source_result["Name"]}
@property
def volume_enabled(self):
return self.volume_service is not None
async def volume(self):
if not self.volume_enabled:
return None
action = self.volume_service.action("Volume")
return (await action.async_call())["Value"]
async def is_muted(self):
if not self.volume_enabled:
return None
action = self.volume_service.action("Mute")
result = await action.async_call()
return result["Value"]
async def set_volume(self, volume_level):
if self.volume_enabled:
action = self.volume_service.action("SetVolume")
await action.async_call(Value=volume_level)
async def increase_volume(self):
if self.volume_enabled:
await self.volume_service.action("VolumeInc").async_call()
async def decrease_volume(self):
if self.volume_enabled:
await self.volume_service.action("VolumeDec").async_call()
async def set_mute(self, mute_requested):
if self.volume_enabled:
await self.volume_service.action("SetMute").async_call(Value=mute_requested)
async def set_source(self, index):
await self.product_service.action("SetSourceIndex").async_call(Value=index)
async def sources(self):
action = self.product_service.action("SourceXml")
result = await action.async_call()
sources_list_xml = etree.fromstring(result["Value"])
sources = []
index = 0
for source_xml in sources_list_xml:
visible = source_xml.find("Visible").text == "true"
if visible:
sources.append(
{
"index": index,
"name": source_xml.find("Name").text,
"type": source_xml.find("Type").text,
}
)
index = index + 1
return sources
async def track_info(self):
action = self.info_service.action("Track")
result = await action.async_call()
return didl_lite.parse(result["Metadata"])
@property
def pins_enabled(self):
return self.device.has_service("urn:av-openhome-org:service:Pins:1")
async def _get_pin_id_array(self):
action = self.pins_service.action("GetIdArray")
result = await action.async_call()
return json.loads(result["IdArray"])
async def _pin_metadata(self, ids):
action = self.pins_service.action("ReadList")
result = await action.async_call(Ids=json.dumps(ids))
return json.loads(result["List"])
async def pins(self):
if not self.pins_enabled:
return []
action = self.pins_service.action("GetDeviceMax")
max_pins = (await action.async_call())["DeviceMax"]
pin_id_array = await self._get_pin_id_array()
pin_metadata = await self._pin_metadata(pin_id_array)
pins = list()
for i in range(max_pins):
if pin_metadata[i].get("id") > 0:
pin = {
"index": i + 1,
"title": pin_metadata[i].get("title"),
"artworkUri": pin_metadata[i].get("artworkUri"),
}
pins.append(pin)
return pins
async def invoke_pin(self, pin_id):
if self.pins_enabled:
await self.pins_service.action("InvokeIndex").async_call(Index=(pin_id - 1))
async def software_status(self):
if self.update_service:
action = self.update_service.action("GetSoftwareStatus")
result = await action.async_call()
return json.loads(result["SoftwareStatus"])
async def check_latest_firmware(self):
if self.update_service:
action = await self.update_service.action("CheckNow").async_call()
async def update_firmware(self):
if self.update_service:
await self.update_service.action("Apply").async_call()
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