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Ethan Furman stoneleaf.us> writes:

\> Do we allow bytes to be returned from os.fspath()? If yes, then do we
\> allow bytes from \_\_fspath\_\_()?

De-lurking. Especially since the ultimate goal is better interoperability, I
feel like an implementation that people can play with would help guide the
few remaining decisions. To help test the various options you could
temporarily add a \_allow\_bytes=GLOBAL\_CONFIG\_OPTION default argument to both
pathlib.\_\_fspath\_\_() and os.fspath(), with distinct configurable defaults for
each.

In the spirit of Python 3 I feel like bytes might not be needed in practice,
but something like this with defaults of False will allow people to easily
test all the various options.