#33361: Redis cache backend doesn't allow storing bool values
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Reporter: Jeremy Lainé | Owner: nobody
Type: Bug | Status: new
Component: Core (Cache system) | Version: 4.0
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 |
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The following code raises an exception: `redis.exceptions.DataError:
Invalid input of type: 'bool'. Convert to a bytes, string, int or float
first.`
{{{#!python
from django.core.cache import cache
cache.set("foo", True)
}}}
This contradicts the documentation which states that any data type
supported by pickle can be stored to the cache.
The root cause seems to be because instances of `int` are special-cased
and not send through pickle, but redis-py cannot send booleans to redis:
https://github.com/django/django/blob/2f73e5406d54cb8945e187eff302a3a3373350be/django/core/cache/backends/redis.py#L14
What was the rationale behind the `int` special-case? `django-redis` for
instance consistently sends all data through pickle.
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Ticket URL: <https://code.djangoproject.com/ticket/33361>
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