Draft: Update dependency cachetools to v6 (!2381) · Merge requests · cki-project / pipeline-definition

This MR contains the following updates:

Package	Update	Change
cachetools	major	`==5.5.2` -> `==6.1.0`

All Renovate MRs are tracked by #227.

tkem/cachetools (cachetools)

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Improve LFUCache insertion performance by switching to an implementation based on the cacheing <https://pypi.org/project/cacheing/>_ library.
Update CI environment.

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Require Python 3.9 or later (breaking change).
Remove MRUCache and the @func.mru_cache decorator (breaking change).
Add an optional condition parameter to the @cached and @cachedmethod decorators, which, when used with a threading.Condition instance, should improve cache stampede <https://en.wikipedia.org/wiki/Cache_stampede>_ issues in massively parallel environments. Note that this will inflict some performance penalty, and therefore has to be enabled explicitly.
Convert the cachetools.func decorators to use a threading.Condition instance to deal with cache stampede <https://en.wikipedia.org/wiki/Cache_stampede>_ issues. Note that this may result in a noticable performance degradation, depending on your actual use case.
Deprecate support for cache(self) returning None to suppress caching with the @cachedmethod decorator.
Improve documentation.
Update CI environment.

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Edited Jul 29, 2025 by CKI CI Bot

Draft: Update dependency cachetools to v6