Author o11c
Recipients o11c
Date 2017-02-07.21:26:14
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I have a data hierarchy with a lot of "sibling" symlinked directories/files. I want to glob only the non-symlink files, because it's a *huge* performance increase.

Before `os.scandir`, I was using a local copy of `` and calling `os.path.islink` every time, which was faster for *my* use case, but unacceptable for upstreaming. With `os.scandir`, my new patch should be acceptable.

The patch includes tests.

Current discussion points:
* Am I making the right decision to still accept symlinks for fully-literal components (in glob0)? It doesn't apply to my use-case, and I imagine some people might want to handle that case separately.
* Are my tests sufficient? I just copied and modified the existing symlink tests.
* Should my `flags` TODO be implemented *before* this patch? IMO it would be clearer after, even if it makes the diffs longer.

Future discussion points (don't derail):
* Should my `flags` TODO be implemented internally (this would significantly shrink any future patches)? (I can work on this)
* Should `flags` also be exposed externally?
* What additional `flags` might be useful? (my list: GLOB_ERR, GLOB_MARK, ~GLOB_NOSORT, ~GLOB_NOESCAPE, GLOB_PERIOD, GLOB_BRACE, GLOB_TILDE_CHECK, GLOB_ONLYDIR (+ equivalent for files - also, why doesn't `os.scandir` have accessors for the other types without doing an unnecessary stat?))
* Is there a bitwise enum (or equivalently, enum set) in the standard library so `flags` can get sane reprs? (I've implemented this before, but imagine it would be overwhelmed with bikeshedding if it doesn't exist yet)
* Should `pathlib` really be implementing globbing on its own? That makes it hard to ensure feature parity. Perhaps the `glob` module needs some additional APIs? (I don't want to work on `pathlib` itself)
Date User Action Args
2017-02-07 21:26:16o11csetrecipients: + o11c
2017-02-07 21:26:15o11csetmessageid: <>
2017-02-07 21:26:15o11clinkissue29475 messages
2017-02-07 21:26:15o11ccreate