[Python-ideas] BufferedIO and detach

[Antoine Pitrou]

On Tue, 5 Mar 2013 10:17:11 +1300
Robert Collins
<robertc at robertcollins.net> wrote:
> 
> sys.stdin - starts in blocking mode. How do you convert it to
> non-blocking mode? Portably? Now, how do you convert it to
> non-blocking mode when you don't know that it is fd 1, and instead you
> just have a stream (TextIOWrapper or BufferedReader or even a RawIO
> instance) ?

How about the fileno() method?