Vince... I will give that a try!!
I did just do a test.. I ran:
sudo weewxd /etc/weewx/weewx.conf
and I have the same error... where running
weewxd I dont get the error
What is the normal place for the adafruit_bmp280 to be located?
Thanks
On Friday, July 10, 2026 at 1:35:47 PM UTC-4 Vince Skahan wrote:
> The basic problem is systemd doesn't know that you added more libraries in
> an unexpected location.
>
> From some google and weewx-user searches there seem to be a couple things
> to try....
>
> Edit the ExecStart section in /usr/lib/systemd/system/weewx.service to
> prepend setting PYTHONPATH
>
> ExecStart=PYTHONPATH=/etc/weewx/bin:/usr/share/weewx:/home/me/some/path/here
> weewxd /etc/weewx/weewx.conf
>
> Or add a line in the [Service] section there to set PYTHONPATH similarly
> Environment=/etc/weewx/bin:/usr/share/weewx:/home/me/some/path/here
>
> Obviously use whatever path you installed things into. You'll likely have
> to 'sudo systemctl daemon-reload' after editing that file before testing.
>
> Disclaimer - I didn't test the above...
>
> On Friday, July 10, 2026 at 7:16:54 AM UTC-7 Patrick Sifford wrote:
>
>> Hello... I am new to this group and have been trying to get weewx up
>> and running on a Raspberry pi 4 with Debian GNU/Linux
>>
>> I have had great success with my initial setup:
>> Acurite Atlas sensor
>> RTL-433/SDR
>> weewx 5.4.0
>> Hubitat Interface
>>
>> This has been running nicely for a few day and I have been able to
>> add data to the Hubitat Interface.
>>
>> during this I have had no issues with either weewx or weewxd
>>
>> I have now decided to add a BMP280 to get pressure sensor data. I
>> have successfully loaded the libraries (took several attempts)
>>
>> I have been able to run a test-bmp250.py file and obtain the
>> appropriate data back from the system.
>>
>> I then started integrating with weewx. initially I had issues with
>> both weewxd and weewx. I would get an error:
>>
>> : Traceback (most recent call last):
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File
>> "/usr/share/weewx/weewxd.py", line 226, in <module>
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: main()
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: ~~~~^^
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File
>> "/usr/share/weewx/weewxd.py", line 121, in main
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: engine =
>> weewx.engine.StdEngine(config_dict)
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File
>> "/usr/share/weewx/weewx/engine.py", line 89, in __init__
>> Jul 10 09:11:29 raspberrypi weewxd[2198]:
>> self.loadServices(config_dict)
>> Jul 10 09:11:29 raspberrypi weewxd[2198]:
>> ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File
>> "/usr/share/weewx/weewx/engine.py", line 157, in loadServices
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: obj =
>> weeutil.weeutil.get_object(svc)(self, config_dict)
>> Jul 10 09:11:29 raspberrypi weewxd[2198]:
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File
>> "/usr/share/weewx/weeutil/weeutil.py", line 1405, in get_object
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: module =
>> importlib.import_module(module_name)
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File
>> "/usr/lib/python3.13/importlib/__init__.py", line 88, in import_module
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: return
>> _bootstrap._gcd_import(name[level:], package, level)
>> Jul 10 09:11:29 raspberrypi weewxd[2198]:
>> ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File "<frozen
>> importlib._bootstrap>", line 1387, in _gcd_import
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File "<frozen
>> importlib._bootstrap>", line 1360, in _find_and_load
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File "<frozen
>> importlib._bootstrap>", line 1331, in _find_and_load_unlocked
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File "<frozen
>> importlib._bootstrap>", line 935, in _load_unlocked
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File "<frozen
>> importlib._bootstrap_external>", line 1026, in exec_module
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File "<frozen
>> importlib._bootstrap>", line 488, in _call_with_frames_removed
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: File
>> "/etc/weewx/bin/user/BMP280_service.py", line 6, in <module>
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: import adafruit_bmp280
>> Jul 10 09:11:29 raspberrypi weewxd[2198]: ModuleNotFoundError: No module
>> named 'adafruit_bmp280'
>> Jul 10 09:11:29 raspberrypi systemd[1]: weewx.service: Main process
>> exited, code=exited, status=1/FAILURE
>> Jul 10 09:11:29 raspberrypi systemd[1]: weewx.service: Failed with result
>> 'exit-code'.
>>
>> After playing with several group and ownership issues I was successful in
>> running weewxd and ingesting pressure, altitude, and temperature data in to
>> weewx and into hubitat!!!!!!!
>>
>> However, when trying to run weewx (using the sudo systemctl start weewx
>> command) I still get the same response.
>>
>> I have put as much as I know in the weewx group. the BMP library
>> ("Adafruit_BMP280_Library) got loaded into my home directory. with weewx as
>> the group and owner.
>>
>> At a lost... to be soo close and yet soo far. Has anyone run into a
>> situation where weewxd and weewx return different results?
>>
>> thanks
>> Patrick Sifford
>>
>
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