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Exception when using variable as part of tag in Django template (Wagtail CMS)

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.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;

0

Setting up a Django/Wagtail CMS site. Trying to make a template for images, which takes sizing as an variable, and including the template with:

% include "patterns/molecules/media/image.html" with media=page.featured_image caption=page.image_caption imgclass="extra-wide" sizing="fill-854x480" % 

And then in the template, I am using the following code:

 % with sizing as size %
 % if size %
 % image media size as img %
 % else %
 % image media fill-1280x720 as img %
 % endif %
 % endwith %

However, it ends up with an exception:

InvalidFilterSpecError at /slug/
Unrecognised operation: size
Request Method: GET
Request URL: http://localhost:8000/slug/
Django Version: 2.1.7
Exception Type: InvalidFilterSpecError

django django-templates wagtail

share|improve this question

asked Mar 23 at 21:59

Ole Kristian LosvikOle Kristian Losvik

64131426

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If your sizing is a string you're passing into the template include, why not just write it in the image.html include? And the % with sizing as size % could be removed in favour of simply using sizing instead of size (it's creating an extra var in the template, which will cause more logic and confusion in the template in the long run.
  
  – Kalob Taulien
  Mar 24 at 19:36
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  So I'm looking into this and it seems that % include .... with sizing="string-here" % is then using the string version of the sizing in the % image % tag which isn't working as you'd expect. It might be better to do the image sizing logic inside the included file. % if size == "fill-1280x720" %% image media fill-1280x720 as img %% endif %. I'm not 100% certain this is the solution to go with, but it's certainly an option to go with.
  
  – Kalob Taulien
  Mar 24 at 19:46
  

  
  
  
  

add a comment | 

0

Setting up a Django/Wagtail CMS site. Trying to make a template for images, which takes sizing as an variable, and including the template with:

% include "patterns/molecules/media/image.html" with media=page.featured_image caption=page.image_caption imgclass="extra-wide" sizing="fill-854x480" % 

And then in the template, I am using the following code:

 % with sizing as size %
 % if size %
 % image media size as img %
 % else %
 % image media fill-1280x720 as img %
 % endif %
 % endwith %

However, it ends up with an exception:

InvalidFilterSpecError at /slug/
Unrecognised operation: size
Request Method: GET
Request URL: http://localhost:8000/slug/
Django Version: 2.1.7
Exception Type: InvalidFilterSpecError

django django-templates wagtail

share|improve this question

asked Mar 23 at 21:59

Ole Kristian LosvikOle Kristian Losvik

64131426

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If your sizing is a string you're passing into the template include, why not just write it in the image.html include? And the % with sizing as size % could be removed in favour of simply using sizing instead of size (it's creating an extra var in the template, which will cause more logic and confusion in the template in the long run.
  
  – Kalob Taulien
  Mar 24 at 19:36
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  So I'm looking into this and it seems that % include .... with sizing="string-here" % is then using the string version of the sizing in the % image % tag which isn't working as you'd expect. It might be better to do the image sizing logic inside the included file. % if size == "fill-1280x720" %% image media fill-1280x720 as img %% endif %. I'm not 100% certain this is the solution to go with, but it's certainly an option to go with.
  
  – Kalob Taulien
  Mar 24 at 19:46
  

  
  
  
  

add a comment | 

Setting up a Django/Wagtail CMS site. Trying to make a template for images, which takes sizing as an variable, and including the template with:

% include "patterns/molecules/media/image.html" with media=page.featured_image caption=page.image_caption imgclass="extra-wide" sizing="fill-854x480" % 

And then in the template, I am using the following code:

 % with sizing as size %
 % if size %
 % image media size as img %
 % else %
 % image media fill-1280x720 as img %
 % endif %
 % endwith %

However, it ends up with an exception:

InvalidFilterSpecError at /slug/
Unrecognised operation: size
Request Method: GET
Request URL: http://localhost:8000/slug/
Django Version: 2.1.7
Exception Type: InvalidFilterSpecError

django django-templates wagtail

share|improve this question

asked Mar 23 at 21:59

Ole Kristian LosvikOle Kristian Losvik

64131426

% include "patterns/molecules/media/image.html" with media=page.featured_image caption=page.image_caption imgclass="extra-wide" sizing="fill-854x480" % 

 % with sizing as size %
 % if size %
 % image media size as img %
 % else %
 % image media fill-1280x720 as img %
 % endif %
 % endwith %

InvalidFilterSpecError at /slug/
Unrecognised operation: size
Request Method: GET
Request URL: http://localhost:8000/slug/
Django Version: 2.1.7
Exception Type: InvalidFilterSpecError

share|improve this question

asked Mar 23 at 21:59

Ole Kristian LosvikOle Kristian Losvik

64131426

share|improve this question

asked Mar 23 at 21:59

Ole Kristian LosvikOle Kristian Losvik

64131426

asked Mar 23 at 21:59

Ole Kristian LosvikOle Kristian Losvik

64131426

asked Mar 23 at 21:59

Ole Kristian LosvikOle Kristian Losvik

64131426