#24338: {%extends%}-ing a file-based template object is broken by deprecation
path
indirection
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Reporter: spectras | Owner: nobody
Type: Uncategorized | Status: new
Component: Template system | Version: 1.8alpha1
Severity: Normal | Resolution:
Keywords: template | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by spectras):
You are right, it is covered in the documentation. The culprit code,
however, lies in Django itself, as the '''{% extends %}''' tag has not
been updated: it does not support the new backend-agnostic template
objects and still expects a '''django.template.Template'''. However, there
is no supported way to get one before the rendering stage.
According to the '''{% extends %}''' documentation, this should work:
{{{!#python
from django.views.generic.base import TemplateView
from django.template.loader import get_template
class MyView(TemplateView):
template_name = "mytemplate.html"
def get_context_data(self, **kwargs):
kwargs['parent_template'] = get_template('parent.html')
return super(MyView, self).get_context_data(**kwargs)
}}}
{{{
{# mytemplate.html #}
{% extends parent_template %}
}}}
I guess there are two options:
1) clearly mark in the documentation that '''{% extends %}''' is
incompatible with '''get_template'''
or
2) update '''{% extends %}''' so it handles agnostic templates correctly.
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Ticket URL: <https://code.djangoproject.com/ticket/24338#comment:2>
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