'Bad byte' error

[A Former User]

okay putting

persistence_file: 'mysensors.json'

Will get the gateway started. but will result in a file not found. if i put the correct path in like

persistence_file: '/var/opt/homeassistant/mysensors.json'

i get this in the log.

16-03-13 02:11:26 homeassistant.bootstrap: Error during setup of component mysensors
Traceback (most recent call last):
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/bootstrap.py", line 105, in _setup_component
    if not component.setup(hass, config):
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/mysensors.py", line 111, in setup
    port, persistence, persistence_file, version, baud_rate)
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/mysensors.py", line 75, in setup_gateway
    baud=baud_rate)
  File "/var/opt/homeassistant/lib/mysensors/mysensors.py", line 277, in __init__
    persistence_file, protocol_version)
  File "/var/opt/homeassistant/lib/mysensors/mysensors.py", line 32, in __init__
    self._load_sensors()
  File "/var/opt/homeassistant/lib/mysensors/mysensors.py", line 162, in _load_sensors
    self._perform_file_action(self.persistence_file, 'load')
  File "/var/opt/homeassistant/lib/mysensors/mysensors.py", line 177, in _perform_file_action
    func(filename)
  File "/var/opt/homeassistant/lib/mysensors/mysensors.py", line 145, in _load_json
    self.sensors = json.load(file_handle, cls=MySensorsJSONDecoder)
  File "/usr/lib/python3.4/json/__init__.py", line 268, in load
    parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, **kw)
  File "/usr/lib/python3.4/json/__init__.py", line 331, in loads
    return cls(**kw).decode(s)
  File "/usr/lib/python3.4/json/decoder.py", line 343, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python3.4/json/decoder.py", line 361, in raw_decode
    raise ValueError(errmsg("Expecting value", s, err.value)) from None
ValueError: Expecting value: line 1 column 1 (char 0)

[martinhjelmare]

If you check the content of

/var/opt/homeassistant

What does it show?

[A Former User]

That's where all my configuration is. And there is a mysensors.json file present.

[martinhjelmare]

Try deleting the json file and have the full path to the json file in the config, as before. Restart hass.

Edit: Also delete any pickle files, if any.

[A Former User]

full path and no file, gets me

File does not exist or is not readable: /var/opt/homeassistant/mysensors.json

but will get me a gateway started.

[martinhjelmare]

That's fine, I think. If you check the contents of the folder again, you should see a json file again. It creates the file the first time.

[A Former User]

nope no file

[martinhjelmare]

Oh yeah, I think it will create it when the first sensor is added.

Do you get the gateway started message now?

[A Former User]

Yes i have the gateway started, so i should try to start a sensor to see if it will make the json. and be present in the webgui

[martinhjelmare]

Yes. Make sure you follow the presentation guide in the docs for mysensors on the HA web.

[A Former User]

thank you so much, that seem to do the trick. the gate way was started and the sensor was add, as soon as it was turned on.

[martinhjelmare]

:thumbsup:

I'll think about updating the docs at HA web, to explain things a bit more.

[A Former User]

Maybe also put in about the pyserial?

[martinhjelmare]

Well pyserial should be installed automatically when you run hass the first time with mysensors activated in the config. There shouldn't be a need to do that on your own.

Are you sure it wasn't installed for you?