Fix unsafe __del__ in TPLinkSmartHomeProtocol ()

* Fix unsafe __del__ in TPLinkSmartHomeProtocol

Fixes
```
Exception ignored in: <function TPLinkSmartHomeProtocol.__del__ at 0x1096d0670>
Traceback (most recent call last):
  File "/Users/bdraco/home-assistant/venv/lib/python3.9/site-packages/kasa/protocol.py", line 159, in __del__
    self.writer.close()
  File "/opt/homebrew/Cellar/python@3.9/3.9.6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/streams.py", line 353, in close
    return self._transport.close()
  File "/opt/homebrew/Cellar/python@3.9/3.9.6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/selector_events.py", line 700, in close
    self._loop.call_soon(self._call_connection_lost, None)
  File "/opt/homebrew/Cellar/python@3.9/3.9.6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/base_events.py", line 748, in call_soon
    self._check_thread()
  File "/opt/homebrew/Cellar/python@3.9/3.9.6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/base_events.py", line 785, in _check_thread
    raise RuntimeError(
RuntimeError: Non-thread-safe operation invoked on an event loop other than the current one
```

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This commit is contained in:
J. Nick Koston 2022-01-30 16:00:00 -06:00 committed by GitHub
parent 5bf6fda7ee
commit c865d3f02c
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@ -156,7 +156,11 @@ class TPLinkSmartHomeProtocol:
def __del__(self) -> None:
if self.writer and self.loop and self.loop.is_running():
self.writer.close()
# Since __del__ will be called when python does
# garbage collection is can happen in the event loop thread
# or in another thread so we need to make sure the call to
# close is called safely with call_soon_threadsafe
self.loop.call_soon_threadsafe(self.writer.close)
self._reset()
@staticmethod