8000 LB100 unable to turn on or off the lights · Issue #68 · python-kasa/python-kasa · GitHub
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shnkreddy98 opened this issue Jun 6, 2020 · 4 comments
Closed

LB100 unable to turn on or off the lights #68

shnkreddy98 opened this issue Jun 6, 2020 · 4 comments

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@shnkreddy98
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shnkreddy98 commented Jun 6, 2020 •
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I have installed all the required libraries, it's maybe because i don't know how the async and await works.. so first thing

import asyncio
from kasa import SmartPlug
from pprint import pformat as pf

plug = SmartPlug("ip of the device")
asyncio.run(plug.update())
await plug.turn_on()

if i do this it says await outside async

if i do this

import asyncio
from kasa import SmartPlug
from pprint import pformat as pf


async def main():
    plug = SmartPlug("ip of the device")
    asyncio.run(plug.update())
    await plug.turn_on()

asyncio.run(main())

it says this

Traceback (most recent call last):
  File "d:/Documents/8sem/Project Phase II/new/let's do this/demo.py", line 11, in <module>
    asyncio.run(main())
  File "C:\Users\ReNew\AppData\Local\Programs\Python\Python38-32\lib\asyncio\runners.py", line 43, in run
    return loop.run_until_complete(main)
  File "C:\Users\ReNew\AppData\Local\Programs\Python\Python38-32\lib\asyncio\base_events.py", line 612, in run_until_complete
    return future.result()
  File "d:/Documents/8sem/Project Phase II/new/let's do this/demo.py", line 8, in main
    asyncio.run(plug.update())
  File "C:\Users\ReNew\AppData\Local\Programs\Python\Python38-32\lib\asyncio\runners.py", line 33, in run
    raise RuntimeError(
RuntimeError: asyncio.run() cannot be called from a running event loop
sys:1: RuntimeWarning: coroutine 'SmartDevice.update' was never awaited

can someone help me on how to move forward
@rytilahti
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That RuntimeError informs you that you cannot use asyncio.run in already running eventloop (which you started in the last line of your code), so simply replace that inside your main() with await plug.update() and it will work. Note, that you don't necessarily need to do an update if you want to use any of the coroutines (like that turn_on), it is only necessary for reading the properties.

@shnkreddy98
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raise SmartDeviceException(f"Error on {target} {cmd}: {result}")
kasa.exceptions.SmartDeviceException: Error on system set_relay_state: {'err_code': -2000, 'err_msg': 'Method not support'}

i got his error on doing so...

import asyncio
from kasa import SmartPlug
from pprint import pformat as pf


async def main():
    plug = SmartPlug("ip")
    await plug.turn_on()

asyncio.run(main())

@shnkreddy98
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shnkreddy98 commented Jun 6, 2020 •
edited
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sorry, i was using a bulb and defined it as a plug.. my bad
appreciate the work, thanks mahn.... and if i could know more about how this library was created or how it works i would be glad...

@rytilahti
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rytilahti commented Jun 6, 2020 •
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The documentation needs definitely improvements, as some parts of it are shown how it can be used in synchronous manner. I'll try to keep your suggestions in mind when revising the readme!

@rytilahti rytilahti mentioned this issue Jul 28, 2020
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