On Jul 6, 6:02 pm, Michael Mossey <michaelmos...@gmail.com> wrote: > On Jul 6, 2:47 pm, Philip Semanchuk <phi...@semanchuk.com> wrote: > > > On Jul 6, 2009, at 5:37 PM, Michael Mossey wrote: > > > > What is required in a python program to make sure it catches a > > > control- > > > c on the command-line? Do some i/o? The OS here is Linux. > > > You can use a try/except to catch a KeyboardInterrupt exception, or > > you can trap it using the signal > > module:http://docs.python.org/library/signal.html > > > You want to trap SIGINT. > > > HTH > > Philip > > Thanks to both of you. However, my question is also about whether I > need to be doing i/o or some similar operation for my program to > notice in any shape or form that Control-C has been pressed. In the > past, I've written Python programs that go about their business > ignoring Ctrl-C. Other programs respond to it immediately by exiting. > I think the difference is that the latter programs are doing i/o. But > I want to understand better what the "secret" is to responding to a > ctrl-C in any shape or form. > > For example, does trapping SIGINT always work, regardless of what my > process is doing? > > Thanks, > Mike
Try some experiments. ;] -- http://mail.python.org/mailman/listinfo/python-list
