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Document the thread safety of functools.lru_cache #93179

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pfmoore opened this issue May 24, 2022 · 0 comments
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Document the thread safety of functools.lru_cache #93179

pfmoore opened this issue May 24, 2022 · 0 comments
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pfmoore commented May 24, 2022 •
edited by bedevere-bot
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The documentation doesn't state whether functools.lru_cache (and decorators derived from it like functools.cache) are thread safe, meaning that it's not clear that it's safe to (for example) populate the cache by running the function in multiple threads. The comments in the source code certainly imply that it's intended to be thread safe, but I'll admit I haven't double checked all the details.

Can the thread safety be made explicit in the docs?

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@pfmoore pfmoore added the docs Documentation in the Doc dir label May 24, 2022
@pfmoore pfmoore mentioned this issue May 24, 2022
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@rhettinger rhettinger self-assigned this May 25, 2022
@josh-willis josh-willis mentioned this issue Aug 3, 2022
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rhettinger added a commit to rhettinger/cpython that referenced this issue Aug 13, 2022
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pythonGH-93179: Document the thread safety of functools.lru_cache
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@bedevere-bot bedevere-bot mentioned this issue Aug 13, 2022
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rhettinger added a commit that referenced this issue Aug 18, 2022
@rhettinger
GH-93179: Document the thread safety of functools.lru_cache (GH-95970)
ba4bb7e
@bedevere-bot bedevere-bot mentioned this issue Aug 19, 2022
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rhettinger added a commit that referenced this issue Aug 21, 2022
@rhettinger
GH-93179: Document the thread safety of functools.lru_cache (GH-96101)
eea8f42
miss-islington pushed a commit to miss-islington/cpython that referenced this issue Dec 24, 2022
@rhettinger @miss-islington
pythonGH-93179: Document the thread safety of functools.lru_cache (py…
598f49b 
…thonGH-95970)

(cherry picked from commit ba4bb7e)

Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>
@bedevere-bot bedevere-bot mentioned this issue Dec 24, 2022
Merged
miss-islington added a commit that referenced this issue Dec 24, 2022
@miss-islington @rhettinger
GH-93179: Document the thread safety of functools.lru_cache (GH-95970)
3b70487 
(cherry picked from commit ba4bb7e)

Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>
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