[issue14043] Speed-up importlib's _FileFinder

[Brett Cannon]

Brett Cannon <brett at python.org> added the comment:

And while I'm thinking about it, the hybrid caching approach of caching just the directory contents to start and then caching full details on successful searches (and failures) would also let you cache the full file path as the strings will be interned and used again by the loaders for setting __file__.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14043>
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