[IPython-User] Making Control-D work when the line is not clear

Aaron Meurer asmeurer@gmail....
Tue Oct 18 22:10:07 CDT 2011

On Tue, Oct 18, 2011 at 9:00 PM, Fernando Perez <fperez.net@gmail.com> wrote:
> On Tue, Oct 18, 2011 at 7:08 PM, Aaron Meurer <asmeurer@gmail.com> wrote:
>> Maybe I'm mistaken, but wouldn't it have to be IPython to do it, since
>> the callback would have to run separately in a different process (like
>> on the kernel or something)?
> The point is that the readline api is pretty simple and doesn't offer
> a way to hook arbitrary code to key events in general.  It only offers
> a few specific calls, mostly of its own implementation, that you can
> configure.  So I don't know how to begin hooking IPython in there...
> Perhaps I've totally misunderstood your question though, if that's the
> case try to rephrase it in one shot :)

No, I think you understood correctly.  In order to do more fancy
stuff, you'd have to basically reimplement readline (using curses or

By the way, I just realized you can avoid clearing the current yank
buffer in my workaround by doing instead "\\C-a\\C-k\\C-d".  Thanks
for your help, and hopefully my solution will help someone else who
wants this behavior.

Aaron Meurer

>> Anyway, maybe it's something to think about for the QT console, where
>> you have more control over these things.
> There, we *do* have full event handling control, and something like
> that can certainly be considered.
> Cheers,
> f

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