Calculating aggregates was a poor example. If one needs to do that I would 
recommend using your extension and either MQTTPublish or Matthew’s MQTT 
extension to publish to MQTT.
But, I do see a potential need to not publish as frequently for some MQTT 
clients….
rich

On Tuesday, 7 July 2026 at 14:43:24 UTC-4 John Smith wrote:

> I am looking at adding an option to publish once per day, week, month. 
>> This could be useful for expensive, rarely changing computations.
>
>
> Or you could do what I did, calc once and then cache to both ram and the 
> storage, until and update is needed and only re-calc what needs to be 
> re-calced... 
>
> On Wed, 8 Jul 2026 at 01:13, [email protected] <[email protected]> wrote:
>
>> As John noted, he has an extension to perform aggregates that can be used 
>> in tandem with this. Or you could use the built-in aggregate function of 
>> MQTTPublish.
>> I am looking at adding an option to publish once per day, week, month. 
>> This could be useful for expensive, rarely changing computations.
>> rich
>>
>>
>> On Tuesday, 7 July 2026 at 10:17:26 UTC-4 [email protected] wrote:
>>
>>> Appreciate it thanks.  So you mean I have to include every variable in 
>>> the stanza and then toggle the ignore flag for each one, or can I just 
>>> include the values I want?  I'm posting individual archive entries and will 
>>> probably want the aggregate ones for day/week/month/year kind of thing.  Is 
>>> that possible?
>>>
>>> On Tuesday, July 7, 2026 at 9:42:34 a.m. UTC-4 John Smith wrote:
>>>
>>>> I posted a working snippet when I made a PR
>>>>
>>>>
>>>> https://github.com/weewx-mqtt/publish/pull/15/changes/90f1473887deef1459cd647e3aaae129a6caf5f1
>>>>
>>>> However I realised how inefficient it was trying to include or exclude 
>>>> things like that and have since come up with a fork that loops in the 
>>>> python script instead of repeating the same things lots and lots of times 
>>>> as seen at that link
>>>>
>>>> My fork can be found here: https://github.com/evilbunny2008/MQTTPublish
>>>>
>>>> Here's an example stanza for that extension 
>>>> https://github.com/evilbunny2008/MQTTPublish/blob/main/weewx-sample.conf
>>>>
>>>> However I shifted all the aggregate functionality into it's own 
>>>> extension so that values could be calculated once per archive interval and 
>>>> then all other extensions could access the values
>>>>
>>>> That extension can be found here 
>>>> https://github.com/evilbunny2008/AggregatedValues
>>>>
>>>> I'm half way through migrating the Inigo plugin to use the values 
>>>> calculated and so when the work on the Inigo plugin is complete both it 
>>>> and 
>>>> the MQTTPublish extension will do almost no DB lookups and I'm already 
>>>> seeing a significant reduction in the time to generate multiple reports.
>>>>
>>>> On Tue, 7 Jul 2026 at 23:13, [email protected] <[email protected]> wrote:
>>>>
>>>>> I'm having a heck of a time even finding an example of how to format 
>>>>> the stanza to publish topics under the [[MQTT]] section under the 
>>>>> [StdRESTful] section.  
>>>>>
>>>>> I have successfully installed this service and I see it load on 
>>>>> startup:
>>>>> https://github.com/weewx-mqtt/publish
>>>>>
>>>>> I just wish there was a sample config to follow but that seems to be 
>>>>> non-existent.  I don't know where to nest things.  I'm posting individual 
>>>>> topics so can someone post an example that works?
>>>>>
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>>>>>
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