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API for local communication with LIFX devices over a LAN with asyncio.

Project description

aiolifx

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)

Installation

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

Thanks to Anders Melchiorsen for is essential contributions

Project details


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