Thank you!
It seems that the attempt to convert string to float still happens. I will
attach snippets from log and config here. The field name which is causing
trouble is "phenomenon".
[MQTTSubscribeDriver]
# This section is for the MQTTSubscribe driver.
# The driver to use:
driver = user.MQTTSubscribe
# The MQTT server.
# Default is localhost.
host = localhost
# 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 = rtl
# password for broker authentication.
# Default is None.
password = xx
# Configuration for the message callback.
[[message_callback]]
type = individual
# The topics to subscribe to.
[[topics]]
unit_system = METRIC
use_topic_as_fieldname = true
use_server_datetime = true
[[[rtl_433/lab/devices/Solight-TE44/1/4/temperature_C]]]
name = outTemp
[[[emhi/26038/uvindex]]]
name = UV
[[[emhi/26038/airpressure]]]
name = pressure
[[[emhi/26038/precipitations]]]
name = rain
contains_total = true
[[[emhi/26038/relativehumidity]]]
name = outHumidity
[[[emhi/26038/winddirection]]]
name = windDir
[[[emhi/26038/windspeed]]]
name = windSpeed
units = meter_per_second
[[[emhi/26038/windspeedmax]]]
name = windGust
units = meter_per_second
[[[emhi/26038/phenomenon]]]
conversion_type = None
[Accumulator]
[[phenomenon]]
accumulator = firstlast
extractor = last
Feb 8 11:21:38 pi3 systemd[1]: Starting LSB: weewx weather system...
Feb 8 11:21:39 pi3 weewx[26841] INFO __main__: Initializing weewx version
4.4.0
Feb 8 11:21:39 pi3 weewx[26841] INFO __main__: Using Python 3.5.3
(default, Nov 18 2020, 21:09:16) #012[GCC 6.3.0 20170516]
Feb 8 11:21:39 pi3 weewx[26841] INFO __main__: Platform
Linux-4.19.66-v7+-armv7l-with-debian-9.13
Feb 8 11:21:39 pi3 weewx[26841] INFO __main__: Locale is 'en_GB.UTF-8'
Feb 8 11:21:39 pi3 weewx[26841] INFO __main__: PID file is
/var/run/weewx.pid
Feb 8 11:21:39 pi3 weewx[26845] INFO __main__: Using configuration file
/home/weewx/weewx.conf
Feb 8 11:21:39 pi3 weewx[26845] INFO __main__: Debug is 0
Feb 8 11:21:39 pi3 weewx[26845] INFO weewx.engine: Loading station type
MQTTSubscribeDriver (user.MQTTSubscribe)
Feb 8 11:21:39 pi3 weewx[26830]: Starting weewx weather system: weewx.
Feb 8 11:21:39 pi3 systemd[1]: Started LSB: weewx weather system.
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) Version
is 1.6.2
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) Log
level: 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) Log
debug setting: 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) Log
console: False
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) Log
file: None
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) overlap
is 0.0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
message_callback_provider_name is user.MQTTSubscribe.MessageCallbackProvider
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) clientid
is MQTTSubscribe-9835
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
client_session is True
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) host is
localhost
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) port is
1883
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
keepalive is 60
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) username
is rtl
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) password
is set
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) Archive
topic is None
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver) Wait
before retry is 2
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Connected with result code 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Connected flags {'session present': 0}
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 1 is size 1 has a QOS of 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 2 is size 1 has a QOS of 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 3 is size 1 has a QOS of 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 4 is size 1 has a QOS of 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 5 is size 1 has a QOS of 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 6 is size 1 has a QOS of 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 7 is size 1 has a QOS of 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 8 is size 1 has a QOS of 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 9 is size 1 has a QOS of 0
Feb 8 11:21:39 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Subscribed to mid: 10 is size 1 has a QOS of 0
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.engine: StdConvert target unit
is 0x1
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.engine: Archive will use data
binding wx_binding
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.engine: Record generation will
be attempted in 'hardware'
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.engine: Using archive interval
of 300 seconds (specified in weewx configuration)
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.restx: StationRegistry: Station
will be registered.
Feb 8 11:21:40 pi3 weewx[26845] INFO user.mqtt: service version is 0.22
Feb 8 11:21:40 pi3 weewx[26845] INFO user.mqtt: binding to loop
Feb 8 11:21:40 pi3 weewx[26845] INFO user.mqtt: topic is weather
Feb 8 11:21:40 pi3 weewx[26845] INFO user.mqtt: desired unit system is
METRIC
Feb 8 11:21:40 pi3 weewx[26845] INFO user.mqtt: data will be uploaded to
mqtt://ilm:xxx@localhost:1883/
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.restx: Wunderground-PWS: Data
for station IHARJUMA19 will be posted
Feb 8 11:21:40 pi3 weewx[26845] INFO user.windy: version is 0.7
Feb 8 11:21:40 pi3 weewx[26845] INFO user.windy: Data will be uploaded to
https://stations.windy.com/pws/update
Feb 8 11:21:40 pi3 weewx[26845] INFO __main__: Starting up weewx version
4.4.0
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.engine: Using binding
'wx_binding' to database 'weewx.sdb'
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.manager: Starting backfill of
daily summaries
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.manager: Daily summaries up to
date
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.engine: Starting main packet
loop.
Feb 8 11:21:40 pi3 weewx[26845] INFO weewx.engine: Main loop exiting.
Shutting engine down.
Feb 8 11:21:40 pi3 weewx[26845] INFO user.MQTTSubscribe: (Driver)
Disconnected with result code 0
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: Caught unrecoverable
exception:
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** could not
convert string to float: 'Light snowfall'
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** Traceback
(most recent call last):
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** File
"/home/weewx/bin/weewxd", line 157, in main
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: ****
engine.run()
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** File
"/home/weewx/bin/weewx/engine.py", line 210, in run
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: ****
self.dispatchEvent(weewx.Event(weewx.NEW_LOOP_PACKET, packet=packet))
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** File
"/home/weewx/bin/weewx/engine.py", line 245, in dispatchEvent
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: ****
callback(event)
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** File
"/home/weewx/bin/weewx/engine.py", line 594, in new_loop_packet
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: ****
self.accumulator.addRecord(event.packet, add_hilo=self.loop_hilo)
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** File
"/home/weewx/bin/weewx/accum.py", line 436, in addRecord
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: ****
func(self, record, obs_type, add_hilo, weight)
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** File
"/home/weewx/bin/weewx/accum.py", line 495, in add_value
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: ****
self[obs_type].addHiLo(val, record['dateTime'])
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** File
"/home/weewx/bin/weewx/accum.py", line 168, in addHiLo
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** val =
to_float(val)
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** File
"/home/weewx/bin/weeutil/weeutil.py", line 1250, in to_float
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** return
float(x) if x is not None else None
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** ValueError:
could not convert string to float: 'Light snowfall'
Feb 8 11:21:40 pi3 weewx[26845] CRITICAL __main__: **** Exiting.
On Monday, February 8, 2021 at 3:19:36 AM UTC+2 [email protected] wrote:
> It should be doable. I do something similar with a few temperature
> sensors/fields. The fact that you are dealing with string data does add
> some complexity.
> First, for the field configuration you will need to set the
> conversion_type = None. Although it is not documented on the wiki, see
> https://github.com/bellrichm/WeeWX-MQTTSubscribe/wiki/Configuring#conversion_type
>
> This will stop MQTTSubscribe from trying to convert the incoming data.
>
> Next, you will need to configure the accumulator for this field/type.
> See, https://github.com/weewx/weewx/wiki/Accumulators. It looks like for
> this field/type you want to set accumulator = firstlast and extractor =
> last.
>
> Now you should be able to access it via $current. field/type name.
>
> If you get this working, I’d like to ‘steal’ the details/steps for a wiki
> page.
> -rich
>
> On Sunday, 7 February 2021 at 17:05:51 UTC-5 Tarmo wrote:
>
>> Can I do it? I have a text in MQTT like "Cloudy with clear spells" which
>> I would like to display on my website. Although, there is no need to store
>> it in the weewx database. I would like to just to update it at every
>> archive interval.
>>
>
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