#10644: undocumented context side-effect in {% ifchanged %}
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Reporter: akaihola | Owner: nobody
Status: new | Milestone:
Component: Template system | Version: 1.0
Keywords: | Stage: Unreviewed
Has_patch: 1 |
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The `{% ifchanged %}` template tag sets the `{{ ifchanged }}` variable in
its local context, in a way similar to how `{% for %}` sets the `{{
forloop }}` variable. This behavior is not documented. The value stored
into the variable is a dictionary and doesn't seem to have any use
elsewhere in Django. Maybe it's related to some removed functionality?
These quick Google code searches didn't turn up any uses of the context
variable in indexed open source projects either:
* [http://google.com/codesearch?q=lang%3Apython+"context['ifchanged'%5d"
context['ifchanged']]
* [http://google.com/codesearch?q=lang%3Ahtml+"{{+ifchanged+}}"; {{
ifchanged }}]
* [http://google.com/codesearch?q=lang%3Ahtml+"{{ifchanged}}";
{{ifchanged}}]
The following patch stops `{% ifchanged %}` from touching the context and
adds a test for this.
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Ticket URL: <http://code.djangoproject.com/ticket/10644>
Django <http://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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