[IPython-user] ^C does not abort during searches in 0.7

[Fernando Perez]

Francesc Altet wrote:
> Hi,
> 
> I normally do interrupt a lot during reverse searches, but this
> feature seems to be broken in ipython 0.7 (it works well in 0.6.15).
> 
> For example, if I type '^Rze', I get:
> 
> (reverse-i-search)`ze': numpy.zeros((2,3), dtype='2u1,f4,S1')
> 
> but if I then try to abort the search with ^C, I can't.
> 
> Using Linux here.

Are you using one of the threaded ipython shells (this can happen indirectly 
via matplotlib loading)?

For some strange reason, ^R doesn't work for me _at all_, but since I've never 
used it before, I'm not sure what the deal is.  But ^S (forward-search) does 
activate for me, and I seem to be able to cancel it just fine, both with and 
without threads:

planck[~]> ip
Python 2.3.4 (#1, Feb  2 2005, 12:11:53)
Type "copyright", "credits" or "license" for more information.

IPython 0.7.1.svn -- An enhanced Interactive Python.
?       -> Introduction to IPython's features.
%magic  -> Information about IPython's 'magic' % functions.
help    -> Python's own help system.
object? -> Details about 'object'. ?object also works, ?? prints more.


KeyboardInterrupt

print
KeyboardInterrupt

In [1]:
planck[~]> ip -qthread
Python 2.3.4 (#1, Feb  2 2005, 12:11:53)
Type "copyright", "credits" or "license" for more information.

IPython 0.7.1.svn -- An enhanced Interactive Python.
?       -> Introduction to IPython's features.
%magic  -> Information about IPython's 'magic' % functions.
help    -> Python's own help system.
object? -> Details about 'object'. ?object also works, ?? prints more.

In [1]: print
KeyboardInterrupt - Press <Enter> to continue.

(i-search)`': print
In [2]: print Press <Enter> to continue.

In [3]:
Closing threads... Done.
planck[~]>


Did anything else change in your system in the meantime?  Can you try both 
with and without threads to see if it makes a difference?  And also, can you 
go back and forth between 0.6.15 and 0.7.0 (a redirected symlink allows you to 
make this switch instantaneously)?  I'd like as much info as possible here, 
because a) I don't see the problem myself b) I didn't touch that code, so I'm 
a little surprised to see problems here.

Cheers,

f