Hey, WeeWX'ers! =D
I am baffled by a weewx.conf parsing error while trying to do a windDir and
windGustDir calibration adjustment. :-(
I tested my python code already with an external script and that's working
fine, but weewx doesn't like the relevant lines in the weewx.conf...
Apr 15 15:15:37 nixie weewx[12130]: engine: Error while parsing configuration
file /etc/weewx/weewx.conf
Apr 15 15:15:37 nixie weewx[12130]: **** Reason: 'Parsing failed with
several errors.
First error at line 447.'
Below is what I have in the weewx.conf.
Line 447 corresponds to the second occurrence of windDir, where I am checking
if it is < 0.
# This section can adjust data using calibration expressions.
[StdCalibrate]
[[Corrections]]
# For each type, an arbitrary calibration expression can be given.
# It should be in the units defined in the StdConvert section.
# Example:
#foo = foo + 0.2
windCalibDegrees=-90.0
windDir = ((windDir + windCalibDegrees) % 360) if windDir is not None
else None
windDir = (windDir + 360 if windDir < 0 else windDir) if windDir is not
None else None
windGustDir = ((windGustDir + windCalibDegrees) % 360) if windGustDir
is not None else None
windGustDir = (windGustDir + 360 if windGustDir < 0 else windGustDir)
if windGustDir is not None else None
And here's how I am testing it outside of weewx:
sqlite3 /var/lib/weewx/weewx.sdb "select windDir, windGustDir from archive
where dateTime>1555351400;" | awk -F\| '{print $1 " " $2}' | while read windDir
windGustDir ; do ./windcalib.py $windDir $windGustDir; done
Where windcalib.py contains
#!/usr/bin/python3
import sys
if len(sys.argv) != 3:
sys.exit("Please pass windDir and windGustDir as args")
windDir = float(sys.argv[1])
windGustDir = float(sys.argv[2])
print ("INPUT : windDir =", windDir, "windGustDir =", windGustDir)
windCalibDegrees=-90.0
windDir = ((windDir + windCalibDegrees) % 360) if windDir is not None else None
windDir = (windDir + 360 if windDir < 0 else windDir) if windDir is not None
else None
windGustDir = ((windGustDir + windCalibDegrees) % 360) if windGustDir is not
None else None
windGustDir = (windGustDir + 360 if windGustDir < 0 else windGustDir) if
windGustDir is not None else None
print ("OUTPUT: windDir =", windDir, "windGustDir =", windGustDir)
Regards,
\Leon
--
Leon Shaner :: Dearborn, Michigan (iPad Pro)
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