[issue4705] python3.0 -u: unbuffered stdout
Antoine Pitrou
report at bugs.python.org
Sun Dec 28 11:27:50 CET 2008
Antoine Pitrou <pitrou at free.fr> added the comment:
> pitrou's patch changes PyFile_FromFd() behaviour for a text file
> opened with buffering=0:
> /* As a convenience, when buffering == 0 on a text file, we
> open the underlying binary stream in unbuffered mode and
> wrap it with a text stream in line-buffered mode. */
>
> Why changing PyFile_FromFd() and not io.open() directly?
I must admit I'm a bit lazy, and changing io.open() means changing a
fundamental public API, as Guido said on python-dev, so more discussion
and some parts of the patches delayed to 3.1. If someone else wants to
do it, please don't hesitate...
> Note: I prefer Py_UnbufferedStdoutFlag=1 instead of
> Py_UnbufferedStdoutFlag++ (for -u command line option).
Well, I minimally changed the existing code.
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