#35166: Return python-memcached support
-------------------------------------+-------------------------------------
Reporter: Matej Spiller Muys | Owner: nobody
Type: New feature | Status: closed
Component: Core (Cache system) | Version: 5.0
Severity: Normal | Resolution: wontfix
Keywords: memcached | Triage Stage:
performance get_many | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Nick Pope):
FYI: I originally added support for `pymemcache` and suggested the
deprecation and removal of `python-memcached` as it was unmaintained for
years.
I confess I was curious recently when I saw that `python-memcached` had a
new release (v1.60) that solved many of the problems we originally had.
Unfortunately, it also broke another workaround that Django required which
made it inconsistent with other client libraries. I managed to get that
fixed earlier this year and it was released as v1.62.
I even knocked up a commit to see what it would look like to reintroduce
this backend: https://github.com/ngnpope/django/commit/python-memcached
It's actually very, very little. The question is - is it worth
reintroducing given the history of poor maintenance and inconsistency? We
wouldn't want to add this again if we're going to have to rip it out
again, as Mariusz says... Anyway - I'm on the fence with putting this back
in - let's say +0.1!
If you really need to use `python-memcached>=1.62` you can write your own
backend which is as simple as this:
{{{#!python
import pickle
from django.core.cache.backends.memcached import BaseMemcachedCache
class MemcachedCache(BaseMemcachedCache):
"""An implementation of a cache binding using python-memcached."""
def __init__(self, server, params):
import memcache
super().__init__(
server, params, library=memcache,
value_not_found_exception=ValueError
)
self._options = {"pickleProtocol": pickle.HIGHEST_PROTOCOL} |
self._options
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/35166#comment:5>
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