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Title: agent: cache IO-intensive private helpers with @functools.cache and register in conftest · Issue #1806 · usethis-python/usethis-python · GitHub

Open Graph Title: agent: cache IO-intensive private helpers with @functools.cache and register in conftest · Issue #1806 · usethis-python/usethis-python

X Title: agent: cache IO-intensive private helpers with @functools.cache and register in conftest · Issue #1806 · usethis-python/usethis-python

Description: When adding a private helper function that performs file I/O (or other expensive operations) and is called multiple times per invocation, it should be decorated with @functools.cache to avoid redundant work.\n\nThe function _get_current_...

Open Graph Description: When adding a private helper function that performs file I/O (or other expensive operations) and is called multiple times per invocation, it should be decorated with @functools.cache to avoid redun...

X Description: When adding a private helper function that performs file I/O (or other expensive operations) and is called multiple times per invocation, it should be decorated with @functools.cache to avoid redun...

Opengraph URL: https://github.com/usethis-python/usethis-python/issues/1806

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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"agent: cache IO-intensive private helpers with @functools.cache and register in conftest","articleBody":"When adding a private helper function that performs file I/O (or other expensive operations) and is called multiple times per invocation, it should be decorated with `@functools.cache` to avoid redundant work.\\n\\nThe function `_get_current_python_version()` in `src/usethis/_integrations/environ/python.py` was added without caching, even though it reads from disk and can be called up to three times per call to `get_supported_minor_python_versions()`.\\n\\nWhen applying `@functools.cache`, the function must also be added to the `clear_functools_caches` autouse fixture in `tests/conftest.py` so the cache is cleared between tests.\n\nWe should explain this in the agent skills","author":{"url":"https://github.com/nathanjmcdougall","@type":"Person","name":"nathanjmcdougall"},"datePublished":"2026-04-04T02:21:48.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/1806/usethis-python/issues/1806"}

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