So, it seems the problem is 3rd parties defining labels as byte strings,
rather than as unicode strings. We can guard against that by converting to
unicode in the plotting modules.

Thanks, Richard.

On Wed, Apr 7, 2021 at 6:42 PM richard maliszewski <[email protected]>
wrote:

> It looks like it gets defined identically in /usr/share/weewx/gw1000.py.
> But also gets defined in /usr/share/weewx/user/purpleair.py line 77 via:
> weewx.units.default_unit_label_dict['microgram_per_meter_cubed']  = '
>  \xc2\xb5g/m\xc2\xb3'
> Python are not close friends, but that smelled like a string rather than
> Unicode, so I commented it out.  Log now says:
>
> Apr  7 18:40:26 minix weewx[30594] INFO weeplot.genplot: Unit label set to
> '%', which is type '<type 'unicode'>'
> Apr  7 18:40:26 minix weewx[30594] INFO weeplot.genplot: Unit label set to
> '%', which is type '<type 'unicode'>'
> Apr  7 18:40:26 minix weewx[30594] INFO weeplot.genplot: Unit label set to
> 'in', which is type '<type 'unicode'>'
> Apr  7 18:40:26 minix weewx[30594] INFO weeplot.genplot: Unit label set to
> 'mph', which is type '<type 'unicode'>'
> Apr  7 18:40:26 minix weewx[30594] INFO weeplot.genplot: Unit label set to
> 'mph', which is type '<type 'unicode'>'
> Apr  7 18:40:26 minix weewx[30594] INFO weeplot.genplot: Unit label set to
> 'µg/m³', which is type '<type 'unicode'>'
> Apr  7 18:40:26 minix weewx[30594] INFO weeplot.genplot: Unit label set to
> 'µg/m³', which is type '<type 'unicode'>'
> Apr  7 18:40:26 minix weewx[30594] INFO weeplot.genplot: Unit label set to
> '', which is type '<type 'str'>'
> Apr  7 18:40:26 minix weewx[30594] INFO weeplot.genplot: Unit label set to
> '', which is type '<type 'unicode'>'
>
> And graph label looks fine.  I'll let the Purple Air extension author know
> to have a look at this.  Thanks for the help!
>
> --Richard
> On Wednesday, April 7, 2021 at 6:13:46 PM UTC-7 [email protected] wrote:
>
>> Alright! Now we're getting somewhere! For some reason 'µg/m³' is showing
>> up as a string, despite it being marked as unicode in units.py.
>>
>> And, you are sure that the only place µg/m³ is used is in units.py? You
>> can search by using the following:
>>
>> *find /usr/share/weewx /etc/weewx -type f|xargs grep 'µg/m³'*
>>
>>
>>
>>
>> On Wed, Apr 7, 2021 at 4:52 PM richard maliszewski <[email protected]>
>> wrote:
>>
>>> I suspect as you suspected:
>>>
>>> Apr  7 16:45:21 minix weewx[29999] INFO weeplot.genplot: Unit label set
>>> to '%', which is type '<type 'unicode'>'
>>>
>>> Apr  7 16:45:21 minix weewx[29999] INFO weeplot.genplot: Unit label set
>>> to '%', which is type '<type 'unicode'>'
>>>
>>> Apr  7 16:45:22 minix weewx[29999] INFO weeplot.genplot: Unit label set
>>> to 'in', which is type '<type 'unicode'>'
>>>
>>> Apr  7 16:45:22 minix weewx[29999] INFO weeplot.genplot: Unit label set
>>> to 'mph', which is type '<type 'unicode'>'
>>>
>>> Apr  7 16:45:22 minix weewx[29999] INFO weeplot.genplot: Unit label set
>>> to 'mph', which is type '<type 'unicode'>'
>>>
>>> Apr  7 16:45:22 minix weewx[29999] INFO weeplot.genplot: Unit label set
>>> to 'µg/m³', which is type '<type 'str'>'
>>>
>>> Apr  7 16:45:22 minix weewx[29999] INFO weeplot.genplot: Unit label set
>>> to 'µg/m³', which is type '<type 'str'>'
>>>
>>> Apr  7 16:45:22 minix weewx[29999] INFO weeplot.genplot: Unit label set
>>> to '', which is type '<type 'str'>'
>>>
>>> Apr  7 16:45:22 minix weewx[29999] INFO weeplot.genplot: Unit label set
>>> to '', which is type '<type 'unicode'>'
>>>
>>> --Richard
>>>
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "weewx-user" group.
>>> To unsubscribe from this group and stop receiving emails from it, send
>>> an email to [email protected].
>>>
>> To view this discussion on the web visit
>>> https://groups.google.com/d/msgid/weewx-user/67cc02d7-5159-4f0a-8848-e614ffaa4d64n%40googlegroups.com
>>> <https://groups.google.com/d/msgid/weewx-user/67cc02d7-5159-4f0a-8848-e614ffaa4d64n%40googlegroups.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>> --
> You received this message because you are subscribed to the Google Groups
> "weewx-user" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/weewx-user/4753a452-710a-48a5-86e6-0500e95484a1n%40googlegroups.com
> <https://groups.google.com/d/msgid/weewx-user/4753a452-710a-48a5-86e6-0500e95484a1n%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
>

-- 
You received this message because you are subscribed to the Google Groups 
"weewx-user" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/weewx-user/CAPq0zEDe%3DG6jLiH5M6X_NxqVFWYOWJZY%3DpyWTsgnCKXiNYZU3Q%40mail.gmail.com.

Reply via email to