Ezio Melotti added the comment:
I think this should also be added to the whatsnew.
Regarding the examples, isn't it easier to say that:
with redirect_stdout(sys.stderr):
print('error')
is equivalent to
print('error', file=sys.stderr)
?
I think that in most of the cases users are redirecting something that is being
print()ed, and this example gets the point across (even if the "file" arg can
be used for this specific case, it is not always the case if print() is called
by a function). Capturing help() and especially did.dis() output don't seem to
me realistic/intuitive use cases for redirect_stdout().
----------
stage: -> committed/rejected
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<http://bugs.python.org/issue15805>
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