Try 2 - google groups deleted my previous reply for unknown reasons.
If you have 11 years of old data you likely have the original old wview
compatible schema so I'd recommend you convert your db to the new
wview_extended schema and rebuild-daily. There are lots of threads here
with how to do that using 'weectl database'. In particular, Belchertown
needs a few elements missing from the old schema. While you can add them
each manually, it's (to me) easier to just upgrade the db and not need to
worry it. Regardless, you'll need to rebuild-daily afterward to build the
summary tables.
Seasons and Belchertown each have their own NOAA trees that need to be
generated one time on first startup if you didn't pre-seed your output HTML
tree with previously generated files. That can take some time, once.
Seasons typically is lightning fast once this is done, so if it took 145
seconds the first time, this might have been why. It should speed up after
the NOAA files for your old data have been generated.
On Thursday, December 11, 2025 at 11:02:19 AM UTC-8 Pete Geenhuizen wrote:
> I downloaded v1.6 several days ago so I guess since then some additional
> fixes were done, anyway I replaced belchertown.py with the one listed here
> ad that solved that problem.
>
> Once I had everything working I decided to test the configuration by
> copying over my existing database with 11 years of observations to ensure
> that once I attached my weather station everything wold work seamlessly,
> however that is not to be, I now get this error
>
>
> I'm testing this new installation in simulator mode, and have copied my
> existing database file with, 11 years of observations which I would hate to
> loose, over to test that everything is working, but unfortunately am now
> getting this error.
>
> Now when I start up weewx I get this database error, more info in the
> attached log
>
> Dec 10 08:56:20 localhost weewxd[1246977]: INFO weewx.engine: Main loop
> exiting. Shutting engine down.
> Dec 10 08:56:20 localhost weewxd[1246977]: INFO weewx.engine: Shutting
> down StdReport thread
> Dec 10 08:56:40 localhost weewxd[1246977]: ERROR weewx.engine: Unable to
> shut down StdReport thread
> Dec 10 08:56:40 localhost weewxd[1246977]: CRITICAL __main__: Database
> OperationalError exception: database is locked
> Dec 10 08:56:40 localhost weewxd[1246977]: CRITICAL __main__: ****
> Waiting 2 minutes then retrying...
> Dec 10 08:56:41 localhost weewxd[1246977]: INFO weewx.cheetahgenerator:
> Generated 12 files for report SeasonsReport in 145.34 seconds
>
> I found some suggestions on line to fix this but none have worked.
>
> Thanks
>
> Pete
>
>
> On 12/9/25 16:30, Danny Ciarniello wrote:
>
> The uploaded version of belchertown.py looks like the one that comes with
> the v1.6 release. That version had a number of issues that have since been
> fixed. Replacing belchertown.py with the one vince pointed to should,
> hopefully, fix the problem.
>
> On Tuesday, December 9, 2025 at 12:48:44 PM UTC-8 vince wrote:
>
>> Your weewx.conf works ok versus the uajqq version in github, but the
>> belchertown.py that you uploaded here looks like it's not that version.
>>
>> In the belchertown.py skin you uploaded line 244 is the locale error
>> if belchertown_debug:
>> log.error(
>> * f"Locale: Error using locale
>> {self.generator.skin_dict["Extras"]["belchertown_locale"]}. "*
>> f"This locale may not be installed on your system
>> and you may see unexpected results. "
>> f"Belchertown skin JavaScript will try to use
>> this locale. Full error: %{error}"
>> )
>>
>> But around line 222 (much different) in
>> https://github.com/uajqq/weewx-belchertown-new/blob/master/bin/user/belchertown.py
>>
>> I see:
>>
>> if belchertown_debug:
>> log.error(
>> f"Error using locale {belchertown_locale}. "
>> "This locale may not be installed on your system
>> and you may see unexpected results. "
>> f"Python could not set the requested locale, but
>> Belchertown skin JavaScript will attempt to use the provided locale string.
>> Full error: {error}"
>> )
>>
>> So my wild guess is you have some hacked/previous/miscellaneous/unknown
>> version of the forked skin. Perhaps try installing the real one ?
>>
>> On Tuesday, December 9, 2025 at 11:47:26 AM UTC-8 Pete Geenhuizen wrote:
>>
>>> I downloaded the v1.6 skin from here
>>> https://github.com/uajqq/weewx-belchertown-new.
>>> Attached is the output from weectl.debug
>>> Thanks for your help.
>>> Pete
>>>
>>>
>>> On 12/9/25 12:40, vince wrote:
>>>
>>> "*using the new 1.6 forked version of the Belchertown skin*" - without
>>> knowing 'which' forked version it might be difficult for people to help.
>>>
>>> How about running "weectl debug" and attaching the output so folks can
>>> see your setup....
>>>
>>> Based on the error you mention, best guess is you have [ something ]
>>> with a mismatched number of [ and ] brackets.
>>>
>>> On Tuesday, December 9, 2025 at 8:23:25 AM UTC-8 Pete Geenhuizen wrote:
>>>
>>>> I trying to update my Rock 8 weewx v4 to Rocky 9 weewx v5 using the new
>>>> 1.6 forked version of the Belchertown skin.
>>>>
>>>> I'm testing this out in simulator mode, and it sees to start fine until
>>>> it does an update which start with this error
>>>>
>>>> ERROR weewx.reportengine: Caught unrecoverable exception in generator
>>>> 'weewx.cheetahgenerator.CheetahGenerator'
>>>>
>>>> ERROR weewx.reportengine: **** f-string: unmatched '['
>>>> (belchertown.py, line 244)
>>>>
>>>> and goes down hill from there
>>>>
>>>> Attached is a copy of the last run..
>>>>
>>>> I have very limited programming skills and zero knowledge of python,
>>>> so
>>>> I'm hoping that someone help me fix the problem.
>>>>
>>>> Thanks
>>>>
>>>> Pete
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Unencumbered by the thought process.
>>>> -- Click and Clack the Tappet brothers
>>>>
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>>> .
>>>
>>>
>>> --
>>> Unencumbered by the thought process.
>>> -- Click and Clack the Tappet brothers
>>>
>>>
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>
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> -- Click and Clack the Tappet brothers
>
>
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