Not quite true. If you include your service in archive_services (after
StdArchive) or anywhere in report_services it will have access to the
augmented archive record (even restful_services will work but that just
doesn't sound right to me).
Gary
On Wednesday, 6 December 2023 at 03:50:02 UTC+10 jterr...@gmail.com wrote:
> Yes, this is the case. The GW1000 gateway service only adds sensor values
> to the LOOP packets. So in that case, there is no way to capture the
> archive record of GW1000 sensors using a custom service.
>
> Thanks for your reply
>
>
> Le 5 déc. 2023 à 16:38, Tom Keffer <tke...@gmail.com> a écrit :
>
> As you're hinting, it depends on details of how GatewayService adds
> outTemp5.
>
> Service StdArchive is responsible for taking the accumulated LOOP packets
> and turning them into an archive record. So, if GatewayService only adds
> outTemp5 to the LOOP packets and depends on StdArchive to turn them into
> archive records, outTemp5 won't appear until *after* StdArchive has run.
>
> On the other hand, if GatewayService puts outTemp5 in the archive record,
> it should be in there by the time MyService sees the record.
>
>
> On Tue, Dec 5, 2023 at 2:32 AM jterr...@gmail.com <jterr...@gmail.com>
> wrote:
>
>> I have weewx (4.10.2) configured with the Davis Vantage 2 driver, and
>> additionally the GW1000 gateway service provides values for some more
>> temperature sensors.
>> Everything is working properly , and GW1000 temperature values (mapped as
>> extraTempX) are recorded in the archive database and appear in LOOP
>> packets.
>>
>> I am working on a new service, triggered by the NEW_ARCHIVE_RECORD event,
>> that needs to read the record values of the some of the extraTemp captured
>> by the GW10000.
>>
>> In this exemple :
>>
>> class MyService(StdService):
>> def __init__(self, engine, config_dict):
>> super(MyService self).__init__(engine, config_dict)
>> manager_dict =
>> weewx.manager.get_manager_dict_from_config(config_dict, 'wx_binding')
>> self.db_manager = weewx.manager.open_manager(manager_dict)
>> self.bind(weewx.NEW_ARCHIVE_RECORD, self.newArchiveRecord)
>>
>> def newArchiveRecord(self, event):
>> if event.record.get('extraTemp5') is not None:
>> loginf("record extraTemp5 is : %f " % (event.record['extraTemp5']))
>> else:
>> loginf("no extraTemp5 in record" )
>> if event.record.get('OutTemp') is not None:
>> loginf("record OutTemp is : %f " % (event.record['outTemp']))
>> else:
>> loginf("no outTemp in record" )
>>
>> When this new service is running, I have always in the log "no
>> extraTemp5 in record" ( the outTemp value is correctly logged) , but
>> ultimately the value of extraTemp5 is written in the archive table of the
>> database. So at the time weewx triggers a NEW_ARCHIVE_RECORD event, there
>> is no data coming from the GW1000 in the archive record.
>>
>> Does it means that the archive values of the parameters coming from
>> GW1000 service, and presumably generated by weewx since the GW1000 service
>> is generating LOOP packets only, are inserted in the archive record after
>> the NEW_ARCHIVE_RECORD event is triggered?
>>
>> in weewx.conf, the services are as follows :
>> data_services = user.gw1000.GatewayService
>> process_services = weewx.engine.StdConvert, weewx.engine.StdCalibrate,
>> weewx.engine.StdQC, weewx.wxservices.StdWXCalculate,
>> user.sunduration.SunshineDuration, user.myservice.MyService
>>
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