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Asked: 2026-06-11T12:13:04+00:00

I need to add to the output of the TemplateView html {%extends some_base.html%} in

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I need to add to the output of the TemplateView html {%extends some_base.html%} in the views.py.
I can’t work with html directly, cause template_name will be always different and i don’t want to add {%extends..%} to each template.html file.
i want to do something like this:

class PageView(TemplateView):

def get_context_data(self, **kwargs):
    object = PageModel.objects.get(view_base__slug=kwargs.get('slug'))
    self.template_name = object.template_name
    self.base='base.html'
    from django.template.loader import render_to_string
    #just example, it's not working
    rendered = render_to_string(self.template_name) 
    rendered= '{% extends' + self.base + '%} '+ rendered
    ###
    return locals()

But it does not work. Even more – i want to save all variables, which are being passed to the template.

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1 Answer

  1. Editorial Team

    I’m not sure why are you trying but you cannot put {%extends ...%} in HTML (unless you want to render it again using django templates. Adding that string to template after rendering will add unwanted {%extends ...%} string in the template.

    But if you want you can create a template dynamically and render it. The new template can extend existing template.
    For example:

    >>> from django.template import Template, Context
>>> #creates a template from string, "base.html" can be self.base in your case
>>> t = Template('{%extends "' + "base.html" + '"%} ...') 
>>> c = Context({'your_var1': 'var1_value'})            #get context for template
>>> t.render(c)                                         #render the created template 
u'\n<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">\n
 <html xmlns="http://www.w3.org/1999/xhtml">
....

    More reference at: Template Compiling a string

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