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import functools
from django.template.backends.jinja2 import Template as JinjaTemplate
from django.template.context import make_context
from django.test.signals import template_rendered
def patch_jinja_render():
orig_render = JinjaTemplate.render
@functools.wraps(orig_render)
def wrapped_render(self, context=None, request=None):
# This patching of render only instruments the rendering
# of the immediate template. It won't include the parent template(s).
self.name = self.template.name
template_rendered.send(
sender=self, template=self, context=make_context(context, request)
)
return orig_render(self, context, request)
if JinjaTemplate.render != wrapped_render:
JinjaTemplate.original_render = JinjaTemplate.render
JinjaTemplate.render = wrapped_render
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