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Seome kind of unblocking input

Ramchandra Apte maniandram01 at gmail.com
Sun Sep 23 11:49:44 EDT 2012 
On Saturday, 22 September 2012 01:24:46 UTC+5:30, Dennis Lee Bieber  wrote:
> On Fri, 21 Sep 2012 02:13:28 -0700 (PDT), janis.judvaitis at gmail.com
> 
> declaimed the following in gmane.comp.python.general:
> 
> 
> 
> > Since I'm using threads and pipes everything works ok, except that when i call input() there is no way that I could print something, is there any workaround for this??
> 
> > 
> 
> > Note: I don't need to catch any key's before enter or smtng, just be able to print while input() is waiting. I'm thinking that maybe there is a way for two threads to share one stdout, which should resolve this, but I can't make it work, since U can't pickle file like object(stdout) to pass it to other thread.
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> >
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> 
> 	Confusion abounds...
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> 
> 
> 	You don't have to "pickle file like object..." for it to be used by
> 
> a Python THREAD... But your mention of pipes makes me think you are
> 
> using subprocesses and/or multiprocessing modules. Threads run in a
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> shared environment (you may need to put a lock around the file object so
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> that only one thread at a time does the I/O on that object), but
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> processes are independent memory spaces.
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> 
> 
> 	However, you may also encounter OS specific behavior WRT
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> stdout/stderr when they are connected to a console. The OS itself may
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> block/buffer output when there is a pending input on the same console.
> 
> -- 
> 
> 	Wulfraed                 Dennis Lee Bieber         AF6VN
> 
>         wlfraed at ix.netcom.com    HTTP://wlfraed.home.netcom.com/

You can clear the buffer by calling file.flush()
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