UnicodeDecodeError: 'utf-8' codec can't decode byte 0x9e in position 1: invalid start byte

[StefanoGiu]

The problem

Log full of errors...

Environment

• Localtuya version: 5.2.1
• Home Assistant Core version: 2023.11.2
• [X] Does the device work using the Home Assistant Tuya Cloud component ?
• [X] Does the device work using the Tinytuya (https://github.com/jasonacox/tinytuya) command line tool ?
• [] Was the device working with earlier versions of localtuya ? Which one?
• [] Are you using the Tuya/SmartLife App in parallel ?

Steps to reproduce

error is continuous in log

Provide Home Assistant traceback/logs

Traceback (most recent call last):
  File "\.homeassistant\custom_components\localtuya\discovery.py", line 65, in datagram_received
    data = decrypt_udp(data)
           ^^^^^^^^^^^^^^^^^
  File "\.homeassistant\custom_components\localtuya\discovery.py", line 30, in decrypt_udp
    return _unpad(decryptor.update(message) + decryptor.finalize()).decode()
                                              ^^^^^^^^^^^^^^^^^^^^
  File "\Python\Python311\Lib\site-packages\cryptography\hazmat\primitives\ciphers\base.py", line 186, in finalize
    data = self._ctx.finalize()
           ^^^^^^^^^^^^^^^^^^^^
  File "\Python\Python311\Lib\site-packages\cryptography\hazmat\backends\openssl\ciphers.py", line 222, in finalize
    raise ValueError(
ValueError: The length of the provided data is not a multiple of the block length.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "\Python\Python311\Lib\asyncio\events.py", line 80, in _run
    self._context.run(self._callback, *self._args)
  File "\Python\Python311\Lib\asyncio\proactor_events.py", line 607, in _loop_reading
    self._protocol.datagram_received(data, addr)
  File "\.homeassistant\custom_components\localtuya\discovery.py", line 67, in datagram_received
    data = data.decode()
           ^^^^^^^^^^^^^
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x9e in position 1: invalid start byte

[StefanoGiu]

Is this component mantained or deprecated? How comes there are so many errors in the log?

[raptyk]

Same here:

Error doing job: Exception in callback _SelectorDatagramTransport._read_ready() (None)
Traceback (most recent call last):
  File "/config/custom_components/localtuya/discovery.py", line 65, in datagram_received
    data = decrypt_udp(data)
           ^^^^^^^^^^^^^^^^^
  File "/config/custom_components/localtuya/discovery.py", line 30, in decrypt_udp
    return _unpad(decryptor.update(message) + decryptor.finalize()).decode()
                                              ^^^^^^^^^^^^^^^^^^^^
ValueError: The length of the provided data is not a multiple of the block length.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/asyncio/events.py", line 88, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/local/lib/python3.12/asyncio/selector_events.py", line 1238, in _read_ready
    self._protocol.datagram_received(data, addr)
  File "/config/custom_components/localtuya/discovery.py", line 67, in datagram_received
    data = data.decode()
           ^^^^^^^^^^^^^
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x9a in position 0: invalid start byte