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Cache prepared metadata #11165

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sbidoul opened this issue Jun 5, 2022 · 1 comment · May be fixed by #12256
Open
1 task done

Cache prepared metadata #11165

sbidoul opened this issue Jun 5, 2022 · 1 comment · May be fixed by #12256
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C: cache Dealing with cache and files in it type: feature request Request for a new feature

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@sbidoul
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sbidoul commented Jun 5, 2022 •
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What's the problem this feature will solve?

Pip currently caches built wheels. In several circumstances pip needs to prepare metadata that will not lead to build a wheel (such as during dependency resolution when several versions need to be considered).

Since metadata preparation can be a costly process in itself, a cache of prepared metadata may help resolution performance.

Describe the solution you'd like

A new metadata cache that would work in a very similar way as the wheel cache (same keys, same criteria for deciding whether to cache or not. Feasibility and implementation details to be investigated.

Alternative Solutions

None.

Additional context

#11126 (comment)

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@sbidoul sbidoul added C: cache Dealing with cache and files in it type: feature request Request for a new feature labels Jun 5, 2022
@sbidoul sbidoul linked a pull request Sep 4, 2023 that will close this issue
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@cosmicexplorer
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I am hoping that #12256 addresses this!

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C: cache Dealing with cache and files in it type: feature request Request for a new feature
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cache metadata lookups for sdists and lazy wheels cosmicexplorer/pip
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