Should I be specifying something other than archive record? Oh, outTemp is
there. Here's a larger snippet of the output:
sudo weewxd
LOOP: 2020-08-04 16:10:20 PDT (1596582620) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582620, pressure: 29.922026, rain:
None, rainRate: 0, txBatteryStatus: 0, usUnits: 1, windDir: 338.0,
windSpeed: 4.0
LOOP: 2020-08-04 16:10:23 PDT (1596582623) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582623, extraHumid2: 74.0, extraTemp2:
74.6, extraTemp2BatteryStatus: 74.6, pressure: 29.922026, rainRate: 0,
usUnits: 1
LOOP: 2020-08-04 16:10:23 PDT (1596582623) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582623, inDewpoint: 64.675919618,
inHumidity: 55.0, inTemp: 82.5, inTempBatteryStatus: 1, pressure:
29.922026, rainRate: 0, usUnits: 1
LOOP: 2020-08-04 16:10:24 PDT (1596582624) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582624, dewpoint: 63.1346846273,
heatindex: 88.7569178536, outHumidity: 44.0, outTemp: 87.8, pressure:
29.922026, rainRate: 0, txBatteryStatus: 0, usUnits: 1, windchill: 87.8,
windSpeed: 5.0
LOOP: 2020-08-04 16:10:33 PDT (1596582633) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582633, extraHumidity1: 76.0,
extraTemp1: 37.7, extraTemp1BatteryStatus: 37.7, pressure: 29.922026,
rainRate: 0, usUnits: 1
LOOP: 2020-08-04 16:10:39 PDT (1596582639) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582639, extraHumid2: 74.0, extraTemp2:
74.6, extraTemp2BatteryStatus: 74.6, pressure: 29.922026, rainRate: 0,
usUnits: 1
LOOP: 2020-08-04 16:10:40 PDT (1596582640) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582640, inDewpoint: 64.675919618,
inHumidity: 55.0, inTemp: 82.5, inTempBatteryStatus: 1, pressure:
29.922026, rainRate: 0, usUnits: 1
LOOP: 2020-08-04 16:10:42 PDT (1596582642) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582642, pressure: 29.922026, rain: 0.0,
rainRate: 0, txBatteryStatus: 0, usUnits: 1, windDir: 270.0, windSpeed: 5.0
LOOP: 2020-08-04 16:10:50 PDT (1596582650) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582650, extraHumidity1: 76.0,
extraTemp1: 37.7, extraTemp1BatteryStatus: 37.7, pressure: 29.922026,
rainRate: 0, usUnits: 1
LOOP: 2020-08-04 16:10:56 PDT (1596582656) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582656, inDewpoint: 64.675919618,
inHumidity: 55.0, inTemp: 82.5, inTempBatteryStatus: 1, pressure:
29.922026, rainRate: 0, usUnits: 1
LOOP: 2020-08-04 16:10:56 PDT (1596582656) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582656, extraHumid2: 74.0, extraTemp2:
74.6, extraTemp2BatteryStatus: 74.6, pressure: 29.922026, rainRate: 0,
usUnits: 1
LOOP: 2020-08-04 16:11:00 PDT (1596582660) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582660, dewpoint: 63.4048579642,
heatindex: 89.1890195959, outHumidity: 44.0, outTemp: 88.1, pressure:
29.922026, rainRate: 0, txBatteryStatus: 0, usUnits: 1, windchill: 88.1,
windSpeed: 5.0
LOOP: 2020-08-04 16:11:06 PDT (1596582666) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582666, extraHumidity1: 76.0,
extraTemp1: 37.7, extraTemp1BatteryStatus: 37.7, pressure: 29.922026,
rainRate: 0, usUnits: 1
LOOP: 2020-08-04 16:11:12 PDT (1596582672) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582672, inDewpoint: 64.675919618,
inHumidity: 55.0, inTemp: 82.5, inTempBatteryStatus: 1, pressure:
29.922026, rainRate: 0, usUnits: 1
LOOP: 2020-08-04 16:11:13 PDT (1596582673) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582673, extraHumid2: 74.0, extraTemp2:
74.6, extraTemp2BatteryStatus: 74.6, pressure: 29.922026, rainRate: 0,
usUnits: 1
LOOP: 2020-08-04 16:11:18 PDT (1596582678) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582678, pressure: 29.922026, rain: 0.0,
rainRate: 0, txBatteryStatus: 0, usUnits: 1, windDir: 203.0, windSpeed: 3.0
REC: 2020-08-04 16:11:00 PDT (1596582660) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582660, dewpoint: 63.2697734322,
extraHumid2: 74.0, extraHumidity1: 76.0, extraTemp1: 37.7,
extraTemp1BatteryStatus: 37.7, extraTemp2: 74.6, extraTemp2BatteryStatus:
74.6, heatindex: 88.9719928077, inDewpoint: 64.675919618, inHumidity: 55.0,
inTemp: 82.5, inTempBatteryStatus: 1.0, interval: 1, outHumidity: 44.0,
outTemp: 87.95, pressure: 29.922026, rain: 0.0, rainRate: 0,
txBatteryStatus: 0.0, usUnits: 1, windchill: 87.95, windDir: 299.713958061,
windGust: 5.0, windGustDir: None, windSpeed: 4.75
LOOP: 2020-08-04 16:11:22 PDT (1596582682) altimeter: 29.922026,
barometer: 29.922026, dateTime: 1596582682, extraHumidity1: 76.0,
extraTemp1: 37.7, extraTemp1BatteryStatus: 37.7, pressure: 29.922026,
rainRate: 0, usUnits: 1
Meanwhile, I hardcoded the value 12.34 in and still can't get it to appear
in the output.
import weewx
from weewx.engine import StdService
class MyEvapCooler(StdService):
def __init__(self, engine, config_dict):
# Initialize superclass
super(MyEvapCooler, self).__init__(engine, config_dict)
# Bind to any new archive record events
self.bind(weewx.NEW_ARCHIVE_RECORD, self.new_archive_record)
def new_archive_record(self, event):
try:
event.record['evapcoolerdelta'] = 12.34
# evapcoolertempdelta = event.record['outTemp'] -
event.record['extraTemp2']
# if evapcoolertempdelta:
# event.record['evapcoolerdelta'] =
evapcoolertempdelta
except KeyError:
pass
import schemas.wview_extended
schema_with_evapcoolerdelta = {
'table': schemas.wview_extended.table + [('evapcoolerdelta', 'REAL')],
'day_summaries' : schemas.wview_extended.day_summaries +
[('evapcoolerdelta', 'SCALAR')]
On Tuesday, August 4, 2020 at 4:01:36 PM UTC-7 [email protected] wrote:
> Your service is binding to *archive records*, so you're only going to see
> evapcoolerdelta in the records (marked with "REC"), not the LOOP packets.
> Let it run longer and see what is in the records.
>
> However, on the basis of the little snipped you posted, I can predict what
> the problem is: there are no LOOP packets with outTemp. You need both
> outTemp and extraTemp2 to calculate evapcoolerdelta. So, it never gets
> calculated.
>
> -tk
>
> On Tue, Aug 4, 2020 at 3:49 PM Kevin Key <[email protected]> wrote:
>
>> It turns out I had to stop the regular weewx service first - then I was
>> able to get weewxd to display the output. Still no evapcoolerdelta though.
>> :(
>>
>> LOOP: 2020-08-04 15:47:28 PDT (1596581248) altimeter: 29.91256,
>> barometer: 29.91256, dateTime: 1596581248, inDewpoint: 64.675919618,
>> inHumidity: 55.0, inTemp: 82.5, inTempBatteryStatus: 1, pressure: 29.91256,
>> rainRate: 0, usUnits: 1
>> LOOP: 2020-08-04 15:47:29 PDT (1596581249) altimeter: 29.91256,
>> barometer: 29.91256, dateTime: 1596581249, extraHumid2: 74.0, extraTemp2:
>> 74.4, extraTemp2BatteryStatus: 74.4, pressure: 29.91256, rainRate: 0,
>> usUnits: 1
>> LOOP: 2020-08-04 15:47:32 PDT (1596581252) altimeter: 29.91256,
>> barometer: 29.91256, dateTime: 1596581252, extraHumidity1: 76.0,
>> extraTemp1: 37.4, extraTemp1BatteryStatus: 37.4, pressure: 29.91256,
>> rainRate: 0, usUnits: 1
>> LOOP: 2020-08-04 15:47:35 PDT (1596581255) altimeter: 29.91256,
>> barometer: 29.91256, dateTime: 1596581255, pressure: 29.91256, rain: 0.0,
>> rainRate: 0, txBatteryStatus: 0, usUnits: 1, windDir: 293.0, windSpeed: 5.0
>> LOOP: 2020-08-04 15:47:44 PDT (1596581264) altimeter: 29.91256,
>> barometer: 29.91256, dateTime: 1596581264, inDewpoint: 64.675919618,
>> inHumidity: 55.0, inTemp: 82.5, inTempBatteryStatus: 1, pressure: 29.91256,
>> rainRate: 0, usUnits: 1
>> LOOP: 2020-08-04 15:47:46 PDT (1596581266) altimeter: 29.91256,
>> barometer: 29.91256, dateTime: 1596581266, extraHumid2: 74.0, extraTemp2:
>> 74.4, extraTemp2BatteryStatus: 74.4, pressure: 29.91256, rainRate: 0,
>> usUnits: 1
>> LOOP: 2020-08-04 15:47:49 PDT (1596581269) altimeter: 29.91256,
>> barometer: 29.91256, dateTime: 1596581269, extraHumidity1: 76.0,
>> extraTemp1: 37.4, extraTemp1BatteryStatus: 37.4, pressure: 29.91256,
>> rainRate: 0, usUnits: 1
>>
>> On Tuesday, August 4, 2020 at 11:39:31 AM UTC-7 [email protected] wrote:
>>
>>> It would not show up in the log.
>>>
>>> Did you try running weewxd directly
>>> <http://www.weewx.com/docs/usersguide.htm#Running_directly>?
>>>
>>> On Tue, Aug 4, 2020 at 10:46 AM Kevin Key <[email protected]> wrote:
>>>
>>>> I couldn't get weewxd to display anything, but I ran this command
>>>> instead:
>>>>
>>>> sudo tail -f /var/log/user.log
>>>>
>>>>
>>>> I still don't see my new field evapcoolerdelta anywhere in the output.
>>>>
>>>> On Tuesday, August 4, 2020 at 7:04:56 AM UTC-7 [email protected] wrote:
>>>>
>>>>> If you run weewxd directly, it will print out all the LOOP packets and
>>>>> archive records. Do you see 'evapcoolerdelta' in there?
>>>>>
>>>>> On Tue, Aug 4, 2020 at 1:32 AM Kevin Key <[email protected]> wrote:
>>>>>
>>>>>> Thanks Andrew. I followed those directions and got much further. Now
>>>>>> I see the new field "evapcoolerdelta" in the Sqlite database, but the
>>>>>> values ren't being populated.
>>>>>>
>>>>>>
>>>>>> On Tuesday, August 4, 2020 at 12:22:09 AM UTC-7 [email protected]
>>>>>> wrote:
>>>>>>
>>>>>>> did you change the binding to use the new database with the extra
>>>>>>> field??
>>>>>>> http://weewx.com/docs/customizing.htm#add_archive_type
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Tuesday, 4 August 2020 07:15:45 UTC+3, Kevin Key wrote:
>>>>>>>>
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> So today I added the following code to a new file
>>>>>>>> in usr/share/weewx/user/evapcooler.py :
>>>>>>>>
>>>>>>>>
>>>>>>>> import weewx
>>>>>>>> from weewx.engine import StdService
>>>>>>>>
>>>>>>>> class MyEvapCooler(StdService):
>>>>>>>> def __init__(self, engine, config_dict):
>>>>>>>> super(MyEvapCooler, self).__init__(engine, config_dict)
>>>>>>>> self.bind(weewx.NEW_ARCHIVE_RECORD, self.new_archive_record)
>>>>>>>>
>>>>>>>> def new_archive_record(self, event):
>>>>>>>> try:
>>>>>>>> event.record['evapcoolerdelta'] =
>>>>>>>> event.record['outTemp'] - event.record['extraTemp2']
>>>>>>>> except KeyError:
>>>>>>>> pass
>>>>>>>>
>>>>>>>>
>>>>>>>> import schemas.wview_extended
>>>>>>>>
>>>>>>>> schema_with_evapcoolerdelta = {
>>>>>>>> 'table': schemas.wview_extended.table + [('evapcoolerdelta',
>>>>>>>> 'REAL')],
>>>>>>>> 'day_summaries' : schemas.wview_extended.day_summaries +
>>>>>>>> [('evapcoolerdelta', 'SCALAR')]
>>>>>>>>
>>>>>>>>
>>>>>>>> ---
>>>>>>>>
>>>>>>>> I'm able to bring up the new field "evapcoolerdelta" in current.inc
>>>>>>>> under /skins/Seasons/ , but I'm having trouble getting the min/max
>>>>>>>> archive
>>>>>>>> data for day, week, month, and year to appear. Are there other places
>>>>>>>> in
>>>>>>>> the code where I need to make it know that I've added a new data field?
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>>
>>>>>>>> Kevin
>>>>>>>>
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>>>>>>
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>>>>>>
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>>
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