[Python-Dev] Multilingual programming article on the Red Hat Developer blog

[R. David Murray]

On Sat, 13 Sep 2014 21:06:21 +1200, Nick Coghlan <ncoghlan at gmail.com> wrote:
> On 13 Sep 2014 10:18, "Jeff Allen" <ja.py at farowl.co.uk> wrote:
> > 4. I think (with Antoine) if Jython supported PEP-383 byte smuggling, it
> would have to do it the same way as CPython, as it is visible. It's not
> impossible (I think), but is messy. Some are strongly against.
> 
> It may be worth trying *without* it (i.e. treat "surrogateescape" as
> equivalent to "strict" initially), and seeing how you go. The main purpose
> of surrogateescape in CPython 3 is to recreate the "arbitrary 8-bit data
> round trips work on POSIX" aspect of CPython 2, which doesn't apply in
> exactly the same way on Jython.
> 
> Compared to the 8-bit vs 16-bit str discrepancy that exists in Python 2,
> "surrogateescape is equivalent to strict" seems like a relatively small
> discrepancy in behaviour.

That would totally break the email package.

It would of course be possible to rewrite email to not use surrogate
escape, but it is a seriously non-trivial undertaking.

--David