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| Subject | Re: how-to use readline.set_completion_display_matches_hook()? |
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| From | Jean-Pierre Miceli <j-p@sunrise.ch> |
| In-Reply-To | <D388077B-8F7B-4F9C-AC2F-50EC6CE77447@epy.co.at> |
| Date | Thu, 8 Nov 2012 06:53:09 +0100 |
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| To | "Stefan H. Holek" <stefan@epy.co.at> |
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Thanks, I will try rl. Have a nice day J-P Le 7 nov. 2012 à 14:14, Stefan H. Holek a écrit : > On 07.11.2012, at 11:36, Jean-Pierre Miceli wrote: > >> Hi all, >> >> I'm working on a tool which enable support of tab completion using the >> readline modul. >> And I have a problem with set_completion_display_matches_hook function >> >> I've created a display hook function and registered it. It is called >> and it prints the desire messages. But once it has completed, >> readline/python does not display the prompt. >> I've got to press the 'return' key to see the prompt again. >> What should the display hook function do to return correctly and let >> the prompt be displayed? >> >> Example: >> def completerHook(self, substitution, matches, longest_match_length): >> print "" >> print "Test of the display hook function" >> for i in range(len(matches)): >> print matches[i], >> >> I use Python 2.7.3 and done some tests on Mac OS 10.7 (Lion) and >> Ubuntu. I got the same issue on both system. > > This always happens when you print newlines behind readline's back. To update the prompt area, you'd have to call rl_forced_update_display() which is AFAIK not exposed by the stdlib's readline bindings. > > There is a more complete implementation of the GNU Readline APIs at http://pypi.python.org/pypi/rl. With rl you can fix the prompt by calling rl.readline.redisplay(force=True) after the hook has returned. > > Hope this helps, > Stefan > > -- > Stefan H. Holek > stefan@epy.co.at >
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Re: how-to use readline.set_completion_display_matches_hook()? Jean-Pierre Miceli <j-p@sunrise.ch> - 2012-11-08 06:53 +0100
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