Thanks Vince for pointing out the problem! I removed the Weather34 skin
and the errors stopped. However, I am now getting a very similar error but
for my mqtt extension. The command "systemctl status weewx" is now
generating the following error dialog:
● weewx.service - LSB: weewx weather system
Loaded: loaded (/etc/init.d/weewx; generated)
Active: active (exited) since Thu 2021-01-28 10:56:59 EST; 4s ago
Docs: man:systemd-sysv-generator(8)
Process: 29276 ExecStart=/etc/init.d/weewx start (code=exited,
status=0/SUCCESS)
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** self.loadServices(config_dict)
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** File "/usr/share/weewx/weewx/engine.py", line 161, in
loadServices
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** obj = weeutil.weeutil.get_object(svc)(self,
config_dict)
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** File "/usr/share/weewx/weeutil/weeutil.py", line
1093, in get_object
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** mod = __import__(module)
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** File "/usr/share/weewx/user/mqtt.py", line 197
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** except KeyError, e:
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** ^
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** SyntaxError: invalid syntax
Jan 28 10:56:59 zeebytes.org python3[29292]: weewx[29292] CRITICAL
__main__: **** Exiting.
So, it appears that weewx is now using python3 to attempt to execute
python2 code for the mqtt extension. The weewx mqtt documentation states
that one of the weewx/mqtt dependencies, python-cjson, is optional, and
currently not supported with python3. So, how do I get weewx/Belchertown's
mqtt extension to work with python3 or is that possible?
Thanks again in advance for everybody's advice.
Gordon
On Wednesday, January 27, 2021 at 2:53:30 PM UTC-5 Gordon Dickens wrote:
> In my previous post I thought that it would be better to send the errors
> via an image, however, I am not sure that was the best way. In any event,
> here are the errors from the output of "systemctl status weewx":
>
> root@zeebytes:/etc/weewx# systemctl status weewx
> ● weewx.service - LSB: weewx weather system
> Loaded: loaded (/etc/init.d/weewx; generated)
> Active: active (exited) since Wed 2021-01-27 14:34:43 EST; 10s ago
> Docs: man:systemd-sysv-generator(8)
> Process: 31379 ExecStart=/etc/init.d/weewx start (code=exited,
> status=0/SUCCESS)
>
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** self.loadServices(config_dict)
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** File "/usr/share/weewx/weewx/engine.py", lin
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** obj = weeutil.weeutil.get_object(svc)(self
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** File "/usr/share/weewx/weeutil/weeutil.py",
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** mod = __import__(module)
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** File "/usr/share/weewx/user/weather34.py", l
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** except Exception, e:
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** ^
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** SyntaxError: invalid syntax
> Jan 27 14:34:43 zeebytes.org python3[31396]: weewx[31396] CRITICAL
> __main__: **** Exiting.
>
> Please reply with any suggestions.
>
> Thanks,
>
> Gordon Dickens
>
> On Wednesday, January 27, 2021 at 2:44:40 PM UTC-5 Gordon Dickens wrote:
>
>> Thanks to Tom, Rainer and Colin for your prompt replies!
>>
>> I followed the instructions verbatim in the Debian guide as Tom
>> suggested. Afterwards, I get the following dialog with the command
>> "systemctl status weewx":
>> [image: weewx_status_errors.png]
>>
>> I also tried to reinstall with the command "apt --reinstall install
>> weewx" but the results were the same.
>>
>> Tom, where did I go wrong and what do you recommend?
>>
>> I made a complete system backup before I attempted the migration. So, if
>> I need to, I can revert to the Python2 version but I would rather fix it
>> now.
>>
>> Thanks,
>>
>> Gordon
>>
>> On Tuesday, January 26, 2021 at 5:17:17 PM UTC-5 tke...@gmail.com wrote:
>>
>>> Yes, that will work, but it also assumes that all the prerequisites have
>>> been installed. The Python 3 prereqs are different from Python 2.
>>>
>>> On Tue, Jan 26, 2021 at 2:12 PM Colin Larsen <colin....@gmail.com>
>>> wrote:
>>>
>>>> I remember I had to change /etc/default/weewx it to tell Weewx to start
>>>> with Python3
>>>>
>>>> WEEWX_PYTHON=python2 <== change to python3
>>>>
>>>> WEEWX_BINDIR=/usr/share/weewx
>>>>
>>>> WEEWX_BIN=/usr/bin/weewxd
>>>>
>>>> WEEWX_CFG=/etc/weewx/weewx.conf
>>>>
>>>> Colin
>>>>
>>>> On Wed, 27 Jan 2021 at 11:04, Tom Keffer <tke...@gmail.com> wrote:
>>>>
>>>>> Easiest is to just follow the install directions in the Debian guide
>>>>> <http://www.weewx.com/docs/debian.htm>:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> *wget -qO - https://weewx.com/apt/weewx-python3.list
>>>>> <https://weewx.com/apt/weewx-python3.list> | sudo tee
>>>>> /etc/apt/sources.list.d/weewx.listsudo apt-get updatesudo apt-get install
>>>>> weewx*
>>>>>
>>>>>
>>>>> On Tue, Jan 26, 2021 at 1:58 PM Gordon Dickens <gldic...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> How do I make weewx use python3 instead of python2? I initially
>>>>>> installed weewx on Debian using the Debian package over a year ago and
>>>>>> it
>>>>>> was originally setup to use python2. I recently upgraded to weewx 4.3.0
>>>>>> with the Belchertown skin version 1.2 and so I want to also upgrade to
>>>>>> python3. The normal way to change default packages in Debian is with
>>>>>> the
>>>>>> update-alternatives command, however, when I set python3 as the default,
>>>>>> weewx continues to use python2 as seen from the command, "ps aux | grep
>>>>>> weewx" whose output contains:
>>>>>>
>>>>>> python2 /usr/share/weewx/weewxd --daemon --pidfile=/var/run/weewx.pid
>>>>>> /etc/weewx/weewx.conf
>>>>>>
>>>>>> So, the service is started with python2. How do I change the weewx
>>>>>> service to use python3?
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>> Gordon
>>>>>>
>>>>>> --
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>>>>>>
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>>>>>>
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>>>>>
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>>>>>
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>>>>
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>>>>
>>>
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