[IPython-dev] can delete prompts in ipythonqt

Evan Patterson epatters at enthought.com
Fri Sep 3 12:17:53 EDT 2010

All the bugs reported in this thread should now be fixed. Please let
me know if you discover new and inventive ways to break the input


On Thu, Sep 2, 2010 at 7:17 PM, Brian Granger <ellisonbg at gmail.com> wrote:
> On Thu, Sep 2, 2010 at 5:13 PM, Fernando Perez <fperez.net at gmail.com> wrote:
>> On Thu, Sep 2, 2010 at 5:10 PM, Evan Patterson <epatters at enthought.com> wrote:
>>> The fundamental issue is that the frontend has no way to tell whether
>>> a reply that has not come back from the kernel is a result of the
>>> kernel being broken or merely busy--the frontend has no choice but to
>>> be silent. Although I've never seen the frontend outright freeze, you
>>> can verify that this has not happened by pressing Ctrl-Period.
>>> The only way to verify that the kernel is sending the messages is to
>>> look at the debug output.
>> In this case I had an error at the very beginning, and the frontend
>> was just frozen, without any messages having been emmitted by the
>> kernel yet.  Kind of staring at a blank wall...
>> But I figured it out by the sheer power of my raw intellect (aka,  I
>> stared at the same line of code for 5 minutes until I realized how
>> dumb I was).  All good now :)
> Debugging like that is a super nice skill to have - not easy though...
> Cheers,
> Brian
>> Cheers,
>> f
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> --
> Brian E. Granger, Ph.D.
> Assistant Professor of Physics
> Cal Poly State University, San Luis Obispo
> bgranger at calpoly.edu
> ellisonbg at gmail.com

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