[Python-Dev] KeyboardInterrupt not catch
Ben Finney
ben+python at benfinney.id.au
Mon Nov 8 05:05:05 CET 2010
Qi Yong <qiyong at sosdg.org> writes:
> With this script, after ctrl-d, ctrl-c exception not catch.
When I run it, the Ctrl-D doesn't affect the behaviour of Ctrl-C. Can
you confirm that the behaviour is dependent on whether Ctrl-D is used?
> If with import readline, this problem disappears.
Again, if I ‘import readline’ or not, the behaviour is unchanged. Can
you show a specific series of steps that changes the behaviour?
> Is it a python bug or a wrong exception usage? Thanks.
The ‘raw_input’ function uses the ‘readline’ library. That library uses
signal handlers for many of the terminal signals, as documented at
<URL:http://cnswww.cns.cwru.edu/php/chet/readline/readline.html#SEC43>.
--
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Ben Finney
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