[issue38764] Deterministic globbing.

[Brandt Bucher]

Brandt Bucher <brandtbucher at gmail.com> added the comment:

I disagree somewhat with the assessment that glob provides "thin" access to OS services. It is composed of a few low-level utilities, but it exposes them through what I consider to be a fairly high-level, abstract, friendly interface that (aside from ordering, and some symlink stuff) is surprisingly cross-platform.

I originally felt that this was "their own fault", since the behavior is well-documented and the data pipeline was so susceptible to error. But I started thinking more about the fact that the bad globbing made it into peer-reviewed cancer research over a hundred times. Python is a friendly language and glob is a friendly library, so it would be natural for someone without formal engineering experience to reach for both. I'm becoming more and more surprised that glob exposes this type of quirk, for trivial gain.

I respect your opinion though. Another option would be to leave the patch in, but not document the new traversal order. That way we rid ourselves of a class of user errors without exposing implementation details like the type of search used.

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<https://bugs.python.org/issue38764>
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