Maybe. I suppose a potential change would be in how weewx generates its
ExecStart string.
Installing weewx via "python3 -m venv weewx-venv" generates the following:
ExecStart=/home/pi/weewx-venv/bin/python3
/home/pi/weewx-venv/lib/python3.9/site-packages/weewxd.py
/home/pi/weewx-data/weewx.conf
But... if I had installed weewx via "python3.9 -m venv weewx-venv" there's
a different result....
ExecStart=/home/pi/weewx-venv/bin/python3.9
/home/pi/weewx-venv/lib/python3.9/site-packages/weewxd.py
/home/pi/weewx-data/weewx.conf
So for this second example I could 'add' a new python 3.12 to my os safely
'if' the old 3.9 was left unaltered. I don't know if every os would do so,
however. This might be os specific.
I guess there are a couple options for potential change:
- make the ExecStart string generation smarter and figure out that
python3 points to python3.9 when you follow the symlinks
- or change the procedure or add a note suggesting using pythonX.Y
(whatever your os is using) to protect against this situation
On Monday, June 10, 2024 at 3:20:59 AM UTC-7 steepleian wrote:
> Tom,
> I know of another user who had an identical problem with Manjaro when
> Python was updated to 3.12. With a self contained virtual environment I was
> surprised this happened. Is this worth further investigation?
> I.
>
> https://claydonsweather.org.uk
>
> On 10 Jun 2024, at 11:25, Andrea <[email protected]> wrote:
>
> there's still a problem with Pillow
>
>
>
> Il giorno lunedì 10 giugno 2024 alle 09:39:40 UTC+2 Andrea ha scritto:
>
>> Hi Tom.
>> Yes, weewx was running since February. Every Weeks I restart the PC and
>> always weewx running normal. Yesterday, suddenly, doesn't work anymore.
>> I use virtual environment with the command source.... and then launch
>> weewxd.
>> thanks
>> Andrea
>>
>> Il giorno domenica 9 giugno 2024 alle 19:32:32 UTC+2 Tom Keffer ha
>> scritto:
>>
>>> Your message is a little confusing. From what you wrote, it looks like
>>> you created a virtual environment, then activated it, then tried to run
>>> weewxd.
>>>
>>> However, the normal sequence is to create the virtual environment,
>>> activate it, *install WeeWX*, then run weewxd.
>>>
>>> Did you install WeeWX?
>>>
>>> -tk
>>>
>>> On Sat, Jun 8, 2024 at 3:12 AM Andrea <[email protected]> wrote:
>>>
>>>> hello,
>>>> after restart the PC, I tried to start weewx with this steps:
>>>> python3 -m venv ~/weewx-venv
>>>> source ~/weewx-venv/bin/activate
>>>> weewxd &
>>>> but I received the message
>>>> from weewxd import main
>>>> ModuleNotFoundError: No module named 'weewxd'
>>>>
>>>> Weewx has been running up to before restart the PC.
>>>> I use Manjaro and weewx 5.0
>>>>
>>>> Thanks for your help
>>>> Andrea
>>>>
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>>>>
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