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Fri May 13 00:04:24 EDT 2016 · https://mail.python.org/pipermail/python-dev/2016-May/144574.html

On 13 May 2016 at 06:53, Brett Cannon <brett at python.org> wrote:
> Second draft that takes Guido's comments into consideration. The biggest
> change is os.fspath() now returns whatever path.__fspath__() returns instead
> of restricting it to only str.
>
> Minor changes:
> - Renamed the C function to PyOS_FSPath()
> - Added an Implementation section with a TODO list
> - Bunch of things added to the Rejected Ideas section

+1 for this version from me, as it means we have:

- os.fsencode(obj) as the coerce-to-bytes API
- os.fspath(obj) as the str/bytes hybrid API
- os.fsdecode(obj) as the coerce-to-str API
- os.fspath(pathlib.PurePath(obj)) as the error-on-bytes API

That more strongly nudges people towards "use pathlib if you want to
ensure cross-platform friendly path handling", which is an outcome I'm
fine with.

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia

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[Python-Dev] File system path PEP, part 2