#26514: User.refresh_from_db() does not clear Permission cache.
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Reporter: codingjoe | Owner: nobody
Type: Bug | Status: new
Component: contrib.auth | Version: master
Severity: Normal | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
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Comment (by timgraham):
The `ModelBackend` cache
[https://docs.djangoproject.com/en/stable/topics/auth/default/#permission-
caching is documented]. I suppose it wouldn't hurt to add a sentence there
like "`refresh_from_db()` won't clear this cache."
The value of `user_permissions` isn't actually cached. The cache is stored
in a private attribute `user._per_cache`. I'm weary of heading down the
road of adding custom `refresh_from_db()` methods to all models that have
similar behavior.
--
Ticket URL: <https://code.djangoproject.com/ticket/26514#comment:3>
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