I'm not the maintainer of this extension, and I don't use it so I'm purely
guessing here.
But based on the information you've given, try replacing the section you've
pasted with this. Maintain a backup copy in case you need to revert back.
try:
history = int(plot_options.get('history'))
except:
pass
else:
history_list = []
windspeed_history_list = []
batch_records = self.db_manager.genBatchRecords(self.lastGoodStamp
- history * 60 * 60, self.lastGoodStamp)
for rec in batch_records:
db_value_tuple = weewx.units.as_value_tuple(rec, columnname)
history_value = weewx.units.convert(db_value_tuple,
target_unit)[0]
try:
if history_value is not None:
history_list.append(float(history_value))
else:
continue
except:
syslog.syslog(syslog.LOG_DEBUG, "GaugeGenerator: Cannot
decode reading of '%s' for gauge '%s'"
% (history_value, gaugename))
On Wednesday, June 24, 2020 at 12:15:36 PM UTC-4, Andrej B. wrote:
>
> Good afternoon,
>
> I use Bootstrap theme with Nick gauges (dajda.net). Weewx ver. 4.1 under
> python 2.7 (Debian Buster)
> In my syslog every archive interval I see hundreds messages like:
> GaugeGenerator: Cannot decode reading of 'None' for gauge 'windDir'
> This is only happens when wind speed is not None. Below is logfile part:
>
>
>
>
>
>
>
>
>
>
>
> *Jun 24 19:00:15 weewxpi weewxd: GaugeGenerator: outTemp reading = 25.5
> degree_CJun 24 19:00:15 weewxpi weewxd: GaugeGenerator: inTemp reading =
> 24.1111111111 degree_CJun 24 19:00:15 weewxpi weewxd: GaugeGenerator:
> barometer reading = 1022.58763232 mbarJun 24 19:00:15 weewxpi weewxd:
> GaugeGenerator: outHumidity reading = 49.0 percentJun 24 19:00:15 weewxpi
> weewxd: GaugeGenerator: inHumidity reading = 56.0 percentJun 24 19:00:16
> weewxpi weewxd: GaugeGenerator: windSpeed reading = 2.68224
> meter_per_secondJun 24 19:00:16 weewxpi weewxd: GaugeGenerator: windGust
> reading = 6.25856 meter_per_secondJun 24 19:00:16 weewxpi weewxd:
> GaugeGenerator: windDir reading = 0.0 degree_compassJun 24 19:00:16 weewxpi
> weewxd: GaugeGenerator: Cannot decode reading of 'None' for gauge
> 'windDir'Jun 24 19:00:16 weewxpi weewxd: GaugeGenerator: Cannot decode
> reading of 'None' for gauge 'windDir'Jun 24 19:00:16 weewxpi weewxd:
> GaugeGenerator: Cannot decode reading of 'None' for gauge 'windDir'*
>
> This is part of code responsible for this:
>
> try:
> history = int(plot_options.get('history'))
> except:
> pass
> else:
> history_list = []
> windspeed_history_list = []
>
> batch_records =
> self.db_manager.genBatchRecords(self.lastGoodStamp - history * 60 * 60,
> self.lastGoodStamp)
>
> for rec in batch_records:
> db_value_tuple = weewx.units.as_value_tuple(rec,
> columnname)
> history_value = weewx.units.convert(db_value_tuple,
> target_unit)[0]
>
> try:
> history_list.append(float(history_value))
> except:
> syslog.syslog(syslog.LOG_DEBUG, "GaugeGenerator:
> Cannot decode reading of '%s' for gauge '%s'"
> % (history_value, gaugename))
>
>
> Why this happens when wind speed has reading?
>
> Thanks
>
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