OK, my mistake. I'm using 1.1.1rc2.
I was using a new installation without any matplotlibrc, and was defaulted to
gtk.
If I set:
backend : Qt4Agg
then the problem has returned.
Phil Elson wrote:
···
Presumably you mean on the qt4 backend? If so, glad to be of some help! 
The change came in in PR #851
(Simple GUI interface enhancements by pelson · Pull Request #851 · matplotlib/matplotlib · GitHub) and
also allows you to close a figure with ctrl+w and make a qt4 figure
fullscreen with "ctrl+f" (actually, just "f" will do, but I have an
ambition to nuke the non-controled versions by default).
UPDATE: I've just noticed that your traceback is showing your backend
as gtk, for which I cannot take any credit (nor do I know the change
which caused this improvement).
On 18 July 2012 13:06, Neal Becker > <ndbecker2@...149...> wrote:
One annoyance with mpl in the past is that when running a script, SIGINT
would not kill it (needed to use C-c C-\ instead).
It seems this is now fixed:
Interrupt now gives me:
File "/home/nbecker/.local/lib/python2.7/site-
packages/matplotlib/backends/backend_gtk.py", line 77, in mainloop
gtk.main()
KeyboardInterrupt
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Usually, the source of such problems is someone using a bare try…except. KeyboardInterrupt subclasses BaseException. There is a subtle difference between
try:
foo()
except:
pass
and
try:
foo()
except Exception:
pass
The first will capture Ctrl-C and throw it away, while the latter will not. PEP8 recommends against blind usage of bare except clauses.
Happy hunting!
Ben Root
···
On Wed, Jul 18, 2012 at 1:40 PM, Neal Becker <ndbecker2@…149…> wrote:
OK, my mistake. I’m using 1.1.1rc2.
I was using a new installation without any matplotlibrc, and was defaulted to
gtk.
If I set:
backend : Qt4Agg
then the problem has returned.
Ben, actually the PyQt4 backend is responsible for this (a hello world
pyqt4 application doesn't accept sigint). However, I have fixed master
(in the aforementioned PR) so that ctrl+c from the command line
actually closes the figure.
HTH,
···
On 18 July 2012 20:00, Benjamin Root <ben.root@...553...> wrote:
On Wed, Jul 18, 2012 at 1:40 PM, Neal Becker <ndbecker2@...149...> wrote:
OK, my mistake. I'm using 1.1.1rc2.
I was using a new installation without any matplotlibrc, and was defaulted
to
gtk.
If I set:
backend : Qt4Agg
then the problem has returned.
Usually, the source of such problems is someone using a bare try...except.
KeyboardInterrupt subclasses BaseException. There is a subtle difference
between
try:
foo()
except:
pass
and
try:
foo()
except Exception:
pass
The first will capture Ctrl-C and throw it away, while the latter will not.
PEP8 recommends against blind usage of bare except clauses.
Happy hunting!
Ben Root
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Exclusive live event will cover all the ways today's security and
threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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