[issue19977] Use "surrogateescape" error handler for sys.stdin and sys.stdout on UNIX for the C locale

[Nick Coghlan]

Nick Coghlan added the comment:

Additional environments where the system misreports the encoding to use (courtesy of Armin Ronacher & Graham Dumpleton on Twitter): upstart, Salt, mod_wsgi.

Note that for more complex applications (e.g. integrated web UIs, socket servers, sending email), round tripping to the standard streams won't be enough - what we really need is a better "source of truth" as to the real system encoding when POSIX compliant systems provide incorrect configuration data to the interpreter.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19977>
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