#36242: NodeList render overhead with huge templates
-------------------------------------+-------------------------------------
Reporter: Michal Čihař | Type:
| Cleanup/optimization
Status: new | Component:
| Uncategorized
Version: 5.1 | Severity: Normal
Keywords: | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
While debugging rendering of some huge templates, I've noticed that the
rendering is slower and needs more memory than necessary because of:
{{{
def render(self, context):
return SafeString("".join([node.render_annotated(context) for node
in self]))
}}}
which unnecessarily builds a list and then passes it to join, which could
directly consume an iterable.
I will prepare a pull request with a fix.
--
Ticket URL: <https://code.djangoproject.com/ticket/36242>
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