Breaking out of a while loop with a key press?

[Carl Banks]

Robin Munn wrote:
> Richard <richardd at hmgcc.gov.uk> wrote:
>> Hi,
>> 
>> Can anyone suggest a simple way of detecting a key press and existing the
>> program? I have a program which at the moment uses a while True: statement.
>> However this is not ideal as I have to close down the console window to
>> exist the program. Can anyone tell me the proper way of doing this? So that
>> a CTRL-C, for example, can quit the program correctly?
> 
> You could use a "try: ... except KeyboardInterrupt: ..." block to detect
> Ctrl-C. Although KeyboardInterrupt *should* by default not be caught, so
> a Ctrl-C *should* be able to shut down your program.

In this case, it shouldn't.  He's running his program in a console
window created within Python.  The idea of a console is
(theoretically) to give a program complete control of this input;
therefore, console windows often disable KeyboardInterrupt and treat
Control-C like any regular keystroke.


-- 
CARL BANKS