Thank you :)
sobota, 8 listopada 2025 o 16:02:31 UTC+1 Tom Keffer napisał(a):
> This is a Python quirk. The specification
>
> *"%.1f" % -0.01*
>
>
> always yields *'-0.0'*.
>
> While there is no easy way to change this, there might be a workaround.
> First, note that
>
> *"%.1f" % (float("%.1f" % value) + 0.0)*
>
>
> yields *'0.0'*, which is what you want. Apply this diff to
> weewx/units.py. It should work for all float values, but I worry that
> somewhere out there someone has created a skin that tries to format
> integers or even strings. NOT TESTED.
>
> ===================================================================
> diff --git a/src/weewx/units.py b/src/weewx/units.py
> --- a/src/weewx/units.py (revision
> c7f1549acf69ee24f355616e161c3067e477422f)
> +++ b/src/weewx/units.py (date 1762613730921)
> @@ -781,10 +781,10 @@
> format_string = useThisFormat
> if localize:
> # Localization requested. Use locale with the supplied
> format:
> - val_str = locale.format_string(format_string, val_t[0])
> + val_str = locale.format_string(format_string,
> float(format_string % val_t[0]) + 0.0)
> else:
> # No localization. Just format the string.
> - val_str = format_string % val_t[0]
> + val_str = format_string % (float(format_string %
> val_t[0]) + 0.0)
>
> # Add a label, if requested:
> if addLabel:
>
>
> On Sat, Nov 8, 2025 at 1:26 AM 'Tomasz Lewicki' via weewx-user <
> [email protected]> wrote:
>
>> I first asked the developers of the neowx-material skin, which I use to
>> display data from my station, but I will repeat the question here, as it
>> seems to be an internal Weewx issue.
>>
>> Sometimes I see a reading like the one in the screenshot below
>> (non-graphic version: -0.0*C - minus zero point zero degree of Celsius). Of
>> course, I guess this is due to the rounding of a value that is not visible.
>> The question is, does this happen at the Weewx level (in which case I will
>> ask on the weewx-user group), or can it be "fixed" in neowx-material?
>>
>> Since images cannot be attached to posts on the group, here is a link to
>> a screenshot: https://imgur.com/a/r7KxBqN
>>
>> The answer was: "It is read by getVar, it looks for example like this
>> $getVar(current.outTemp) or another variables like that. So I believe it is
>> caused by weewx. And I agree that it is done by rounding some value, maybe
>> it is like -0,01 or like that. In neowx-material it is done similar way as
>> in for example official Seasons/current.inc" (
>> https://github.com/seehase/neowx-material/issues/198#issuecomment-3504803216
>> )
>>
>> And what do you think about that?
>>
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>>
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