You need to tell MQTTSubscribe/WeeWX what 'unit_group' 'extratemp14'
belongs to. If I remember correctly this is needed because MQTTSubscribe
uses WeeWX to perform the conversion. See,
https://www.weewx.com/docs/customizing.htm#Assigning_a_unit_group. So you
would want something like.
import weewx.units
weewx.units.obs_group_dict['extratemp14'] = 'group_temperature'
Where to add this, I'm not sure. I think the recommended place is in
__init__.py in the bin/user directory.
-rich
On Thursday, 5 October 2023 at 14:59:07 UTC-4 bdf0506 wrote:
> I've got a very long list of sensors and am now all the way up to
> ExtraTemp14 :). The extended database goes up to ExtraTemp9, so I've
> manually added to the database structure to allow for more. ExtraTemp10-13
> are fine, but ExtraTemp14 is giving me a hard time since I need to tell it
> what units to come in with. ExtraTemp10-13 use default units.
>
> Here's the error I keep getting in the logs:
>
> Oct 5 14:29:57 weewx[19] ERROR weewx.engine: Import of driver failed: For
> extraTemp14 invalid units, degree_C. (<class 'ValueError'>)
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** Traceback (most
> recent call last):
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** File
> "/home/weewx/bin/weewx/engine.py", line 119, in setupStation
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** self.console =
> loader_function(config_dict, self)
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** File
> "/home/weewx/bin/user/MQTTSubscribe.py", line 1951, in loader
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** return
> MQTTSubscribeDriver(**config_dict[DRIVER_NAME]) # pragma: no cover
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** File
> "/home/weewx/bin/user/MQTTSubscribe.py", line 1977, in __init__
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** self.subscriber =
> MQTTSubscriber(stn_dict, self.logger)
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** File
> "/home/weewx/bin/user/MQTTSubscribe.py", line 1566, in __init__
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** self.manager =
> TopicManager(self.archive_topic, topics_dict, self.logger)
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** File
> "/home/weewx/bin/user/MQTTSubscribe.py", line 844, in __init__
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: ****
> self.subscribed_topics[topic]['fields'][topic] =
> self._configure_field(topic_dict, topic_dict, topic, field_defaults)
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** File
> "/home/weewx/bin/user/MQTTSubscribe.py", line 964, in _configure_field
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** raise ValueError("For
> %s invalid units, %s." % (field['name'], field_dict['units']))
> Oct 5 14:29:57 weewx[19] CRITICAL weewx.engine: **** ValueError: For
> extraTemp14 invalid units, degree_C.
> Oct 5 14:29:57 weewx[19] CRITICAL __main__: Unable to load driver: For
> extraTemp14 invalid units, degree_C.
> Oct 5 14:29:57 weewx[19] CRITICAL __main__: **** Exiting...
>
> From my weewx.conf:
>
> xxxxxxxx
>
> [MQTTSubscribeDriver]
> # This section is for the MQTTSubscribe driver.
>
> # The driver to use:
> driver = user.MQTTSubscribe
>
> # The MQTT server.
> # Default is localhost.
> host = unraid.home
>
> # The port to connect to.
> # Default is 1883.
> port = 1883
>
> # Maximum period in seconds allowed between communications with the
> broker.
> # Default is 60.
> keepalive = 60
>
> # username for broker authentication.
> # Default is None.
> username = mqtt
>
> # password for broker authentication.
> # Default is None.
> password = mqtt
>
> # Configuration for the message callback.
> [[message_callback]]
> type = individual
>
> # for fields that aren't the default, specify them here.
> [[weewx]]
> [[[observations]]]
> extraTemp9 = group_temperature
> extraTemp10 = group_temperature
> extraTemp11 = group_temperature
> extraTemp12 = group_temperature
> extraTemp13 = group_temperature
> extraTemp14 = group_temperature
> extraTemp15 = group_temperature
> extraHumid9 = group_percent
> extraHumid10 = group_percent
> extraHumid11 = group_percent
> extraHumid12 = group_percent
> extraHumid13 = group_percent
> extraHumid14 = group_percent
> extraHumid15 = group_percent
> rain2 = group_rain
> windDir2 = group_direction
> windSpeed2 = group_speed
> outTemp2 = group_temperature
> outHumidity2 = group_percent
> luminosity = group_illuminance
>
> # The topics to subscribe to.
> [[topics]]
> unit_system = US
> [[[rtl_433/devices/Acurite-Tower/9235/temperature_C]]]
> name = extraTemp14
> units = degree_C
> [[[rtl_433/devices/Acurite-Tower/9235/humidity]]]
> name = extraHumid14
> [[[rtl_433/devices/Acurite-Tower/9235/battery_ok]]]
> name = batteryStatus14
>
> xxxxxxxx
>
> It's struggling because I am telling it that the units are coming in
> degree_C and I need weewx to convert it. Is there a config file somewhere
> where I need to properly map the unit to extraTemp14?
>
> Thank you!
>
>
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