2014-11-12 22:16 GMT+00:00 Buck Golemon <buck.2...@gmail.com>:
> This is due to the fix for issue21090, which aimed to un-silence errors
> which previously went unheard. The fix is for me, as a user, to write a loop
> that uses os.read and interpretes EIO as EOF. This is what I had hoped
> file.read() would do for me, however, and what it used to do in previous
> pythons.


There's no reason for read() to interpret EIO as EOF in the general
case: it was masked in previous versions because of a mere bug. The
behavior is now correct, although being able to retrieve the data read
so far in case of a buffered read could be useful.
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