open() and EOFError
marko at pacujo.net
Mon Jul 7 18:08:46 CEST 2014
Steven D'Aprano <steve+comp.lang.python at pearwood.info>:
> On Mon, 07 Jul 2014 22:19:20 +1000, Chris Angelico wrote:
>> It's possible for input() to raise IOError, if I'm not mistaken;
>> consider redirection, for instance.
> What indirection? Do you mean, if built-in input() has been monkey-
> patched? Well, sure, but in that case it could do anything. I'm only
> concerned with the builtins. Otherwise, I have no idea what you mean
> by that.
input() quite naturally can raise an IOError. For example:
import os, socket
s = socket.socket(socket.AF_UNIX)
os.dup2(s.fileno(), 0); print(input())
results in an IOError (EINVAL, to be exact).
strace reveals that input() simply delegates to:
read(0, 0xb73aa000, 4096) = -1 EINVAL (Invalid argument)
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