API for local communication with LIFX devices over a LAN with asyncio.
aiolifx is a Python 3/asyncio library to control Lifx LED lightbulbs over your LAN.
Most of it was taken from Meghan Clarkk lifxlan package (https://github.com/mclarkk) and adapted to Python 3 (and asyncio obviously)
We are on PyPi so
pip3 install aiolifx
or python3 -m pip install aiolifx
NOTE: When installing with Python 3.4, the installation produce an error message (syntax error). This can be safely ignored.
How to use
Essentially, you create an object with at least 2 methods:
- register - unregister
You then start the LifxDiscovery task in asyncio. It will register any new light it finds. All the method communicating with the bulb can be passed a callback function to react to the bulb response. The callback should take 2 parameters:
- a light object - the response message
The easiest way is to look at the file in the examples directory. "Wifi" and "Uptime" use a callback to print the info when it is returned.
In essence, the test program is this
class bulbs(): """ A simple class with a register and unregister methods """ def __init__(self): self.bulbs= def register(self,bulb): self.bulbs.append(bulb) def unregister(self,bulb): idx=0 for x in list([ y.mac_addr for y in self.bulbs]): if x == bulb.mac_addr: del(self.bulbs[idx]) break idx+=1 def readin(): """Reading from stdin and displaying menu""" selection = sys.stdin.readline().strip("\n") DoSomething() MyBulbs = bulbs() loop = aio.get_event_loop() discovery = alix.LifxDiscovery(loop, MyBulbs) try: loop.add_reader(sys.stdin, readin) discovery.start() loop.run_forever() except: pass finally: discovery.cleanup() loop.remove_reader(sys.stdin) loop.close()
Other things worth noting:
- Whilst LifxDiscovery uses UDP broadcast, the bulbs are connected with Unicast UDP - The socket connecting to a bulb is not closed unless the bulb is deemed to have gone the way of the Dodo. I've been using that for days with no problem - You can select to used IPv6 connection to the bulbs by passing an IPv6 prefix to LifxDiscovery. It's only been tried with /64 prefix. If you want to use a /48 prefix, add ":" (colon) at the end of the prefix and pray. (This means 2 colons at the end!) - I only have Original 1000, so I could not test with other types of bulbs - Unlike in lifxlan, set_waveform takes a dictionary with the right keys instead of all those parameters
Thanks to Anders Melchiorsen for is essential contributions
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