[Python-Dev] Pathlib enhancements - acceptable inputs and outputs for __fspath__ and os.fspath()

Donald Stufft donald at stufft.io
Mon Apr 11 13:18:01 EDT 2016

> On Apr 11, 2016, at 1:12 PM, Ethan Furman <ethan at stoneleaf.us> wrote:
> Asked another way, what are we gaining by disallowing bytes in this new way of getting paths versus the pain caused when bytes are needed and/or accepted?

It seems fine to me to allow __fspath__ to return bytes as well as str. The only argument I can think against it is that something like pathlib.Path() would not work with a bytes returning __fspath__, but that’s not any different than what happens if you pass a bytes object directly into pathlib.Path as well.

Donald Stufft
PGP: 0x6E3CBCE93372DCFA // 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA

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