Antoine Pitrou <pit...@free.fr> added the comment:

Well, as I suggested, in FileIO.read(): when receiving errno=5 on a
read() call and if S_IFIFO() returns true, clear errno and return an
empty string.
The question is whether a genuine EIO error ("low level IO error") can
occur on a FIFO. Intuitively, I'd say "no" since a FIFO is only a
software communication channel, but who knows...

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue5380>
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