#12283: Inclusion tags should handle arguments not present in the context
gracefully
-----------------------------+----------------------------------------------
 Reporter:  kuon             |       Owner:  nobody    
   Status:  new              |   Milestone:            
Component:  Template system  |     Version:  1.1       
 Keywords:                   |       Stage:  Unreviewed
Has_patch:  0                |  
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 If we call an inclusion tag like that


 {{{
 {% my_tag object %}
 }}}


 and object is not present in the context, an exception will be raised,
 thus obliging us to do:


 {{{
 {% if object %}
 {% my_tag object %}
 {% else %}
 {% my_tag %}
 {% endif %}
 }}}


 It would be better to have the inclusion tag mechanism to handle keys not
 present in the context and just default them to None.

-- 
Ticket URL: <http://code.djangoproject.com/ticket/12283>
Django <http://code.djangoproject.com/>
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