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

Antoine Pitrou antoine at python.org
Mon Apr 11 13:48:51 EDT 2016

Ethan Furman <ethan <at> stoneleaf.us> writes:
> On 04/11/2016 07:56 AM, Antoine Pitrou wrote:
> >> 2) pathlib.Path accepts bytes --
> >
> > Does it? Or are you proposing such a change?
> It used to (I posted a couple examples from 3.5.0).  I finally rebuilt 
> with the latest and it no longer does.

This is surprising, since in its entire lifetime, pathlib was never
supposed to support bytes inputs. See the argument check in the
initial checkin of pathlib.py:

Perhaps that slipped through at some point (and obviously no test was
there to prevent it :-)).



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