Alexander Belopolsky <belopol...@users.sourceforge.net> added the comment:
> If we want to allow for closed {stdin, stdout, stderr}, I'm not sure
> what the semantics should be. Should sys.std{in, out, err} be None? Or a
> file object which always throws an error?
I would say it should be a *pseudo*-file object which always throws a
*descriptive* error. Note that setting sys.stdout to None makes print() do
nothing rather than report an error:
>>> sys.stdout = None
>>> print('abc')
See also issue6501.
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nosy: +belopolsky
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue7111>
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