PyWart(2.7.8) IDLE is more buggy than "Joe's apartment"!

Steven D'Aprano steve+comp.lang.python at pearwood.info
Mon Jul 21 19:03:56 CEST 2014


On Mon, 21 Jul 2014 17:57:22 +0200, Lele Gaifax wrote:

> Chris Angelico <rosuav at gmail.com> writes:
> 
>> Take, for instance, the behaviour of Windows's cmd.exe editing keys:
>> enter three commands, then up-arrow three times and hit enter, then
>> press down, enter, down, enter. You'll repeat the three commands. In
>> other interfaces (eg GNU readline), you'd do the same job by pressing
>> up, up, up, enter each time. Personally, I find the cmd.exe behaviour
>> extremely surprising, especially when I've been working with some very
>> similar commands (imagine: ./configure some_bunch_of_args; make;
>> some_command_to_test; rm -rf *; git checkout HEAD - then repeat with a
>> different set of configure arguments), and I end up "stuck half way up
>> command history", wondering why I'm not seeing what I wanted. Can be
>> extremely awkward. But even so, I don't call this a bug.
> 
> Granted, the readline library exposes a "operate-and-get-next" function,
> by default bound to \C-o, with the same behaviour as the cmd.exe one. I
> find it very handy in the scenario you picted. So again, "feature" and
> "bug" may be effectively subjective :-)

Have you actually got that working in Python with the readline module? 
I've tried and tried and cannot get it to work. Any hints gratefully 
appreciated.



-- 
Steven



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