#24235: Deprecate is_usable attribute on template loaders?
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Reporter: prestontimmons | Owner: nobody
Type: Uncategorized | Status: new
Component: Template system | Version: master
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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Each Django loaders has a boolean attribute of "is_usable". It seems the
only use for this comes from the egg loader when setuptools isn't
installed. If "is_usable" is false, a warning is raised in
engine.find_template_loader, but otherwise the loader is silently ignored
for template loading.
It seems like that is the wrong behavior. I think the loaders should fail
loudly if they're missing configuration. Otherwise, it's unclear why
they're not used to find templates. I ran into this when writing a sample
loader and forgetting to specify "is_usable" as True on it.
Unless there's a use case for silently ignoring template loaders, I think
we should deprecate this behavior.
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Ticket URL: <https://code.djangoproject.com/ticket/24235>
Django <https://code.djangoproject.com/>
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