[weewx-user] Re: Including dynamic link in skin

[Jonathan Zitelman]

Thanks!  That generated the output I needed.  I also figured out why you 
got the 404 (aside from an extra slash)... the day is always 'yesterday'.  
I tried to define yesterday with a timedelta, but can't figure out where I 
would put that.  I tried searching for a guide on cheetah on how I could 
format strftime directly, but haven't been successful.  Any other advice 
would be very helpful!

-JZ


On Sunday, September 16, 2018 at 1:11:09 PM UTC-5, Pat wrote:
>
> The Cheetah generator can use #echo to print 
> <http://cheetahtemplate.sourceforge.net/docs/users_guide_html/users_guide.html#SECTION000810000000000000000>
>  the 
> date (and other things)... So you can try this in index.html.tmpl:
>
>
> #echo time.strftime('%Y%m%d')#
>
> So the full line would be:
>
> <img src="https://twc.tamu.edu/weather_images/rawsfcst/rawsfcst/#echo 
> time.strftime('%Y%m%d')#.png">
>
>
> Which gives me this output:
>
> <img src="
> https://twc.tamu.edu/weather_images/rawsfcst/rawsfcst/20180916.png";>
>
> But that img returns a 404 for me, so I think you're missing something. 
> Either way, hopefully this is enough to get you started. 
>
>
> On Sunday, September 16, 2018 at 1:50:18 PM UTC-4, Jonathan Zitelman wrote:
>>
>> I am using the standard skin on WeeWX 3.8.0.  I am trying to include a 
>> link to a remote image, but the filename changes each day.  I have 
>> attempted adding it directly to index.html.tmpl using PHP (I know, not the 
>> correct location):
>>
>> https://twc.tamu.edu/weather_images/rawsfcst/rawsfcst<?php echo 
>> date(Ymd); ?>.png
>>
>>
>> But it does not look like there is a PHP parser.  Next I added it into 
>> the Extras section on skin.conf using direct python replacement, but it 
>> does not parse correctly and spits out the actual code in the final HTML 
>> document:
>>
>> https://twc.tamu.edu/weather_images/rawsfcst/rawsfcst' + 
>> datetime.strftime.today().strftime('%Y%m%d') + '.png
>>
>>
>> Lastly I tried python using string replacement, and this seems to break 
>> the skin.conf file:
>>
>> skin.conf Code:
>>
>> fire_date = datetime.strftime.today().strftime('%Y%m%d')
>> fire_img = "https://twc.tamu.edu/weather_images/rawsfcst/rawsfcst%s.png"; 
>> % (fire_date)
>>
>>
>> Error:
>>
>> reportengine: Failed to read skin configuration file 
>> /etc/weewx/skins/Standard/skin.conf for report StandardReport: Parse error 
>> in value at line 17.
>>
>>
>> Does anyone have suggestions on what code to use?  Or if I should be 
>> adding this in a different file?  The file on the other site is always 
>> "rawsfcstYYYYMMDD.png" and I just need to parse out the date in the report.
>>
>> -Jonathan †
>>
>>

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