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from aglbaseservice import AGLBaseService
import asyncio
import os
class MediaPlayerService(AGLBaseService):
def __await__(self):
return super()._async_init().__await__()
def __init__(self, ip, port = None):
super().__init__(api='mediaplayer', ip=ip, port=port, service='agl-service-mediaplayer')
async def playlist(self):
return await self.request('playlist')
async def subscribe(self, event='metadata'):
await super().subscribe(event=event)
async def unsubscribe(self, event='metadata'):
await super().subscribe(event=event)
async def control(self, name, value=None):
loopstate = ['off', 'playlist', 'track']
controls = {
'play': None,
'pause': None,
'previous': None,
'next': None,
'seek': 'position',
'fast-forward': 'position',
'rewind': 'position',
'pick-track': 'index',
'volume': 'volume',
'loop': 'state'
}
assert name in controls.keys(), 'Tried to use non-existent {name} as control for {self.api}'
if name in ['play', 'pause', 'previous', 'next']:
msg = {'value': name}
elif name in ['seek', 'fast-forward', 'rewind']:
assert value > 0, "Tried to seek with negative integer"
msg = {'value': name, controls[name]: str(value)}
elif name == 'pick-track':
assert type(value) is int, "Try picking a song with an integer"
assert value > 0, "Tried to pick a song with a negative integer"
msg = {'value': name, controls[value]: str(value)}
elif name == 'volume':
assert type(value) is int, "Try setting the volume with an integer"
assert value > 0, "Tried to set the volume with a negative integer, use values betwen 0-100"
assert value < 100, "Tried to set the volume over 100%, use values betwen 0-100"
msg = {'value': name, name: str(value)}
elif name == 'loop':
assert value in loopstate, f'Tried to set invalid loopstate - {value}, use "off", "playlist" or "track"'
msg = {'value': name, controls[name]: str(value)}
await self.request('controls', msg)
async def main(loop):
addr = os.environ.get('AGL_TGT_IP', '192.168.234.202')
port = os.environ.get('AGL_TGT_PORT', None)
MPS = await MediaPlayerService(ip=addr, port=port)
# listener = loop.create_task(MPS.listener())
try:
await MPS.subscribe('metadata')
await MPS.playlist()
await MPS.control('next')
# await listener
except KeyboardInterrupt:
pass
# listener.cancel()
await MPS.unsubscribe('playlist')
if __name__ == '__main__':
loop = asyncio.get_event_loop()
loop.run_until_complete(main(loop))
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