[New-bugs-announce] [issue24727] Expand readline module

Barney Stratford report at bugs.python.org
Sun Jul 26 12:57:51 CEST 2015

New submission from Barney Stratford:

I have a use case where a daemon thread needs to write periodic updates to sys.stdout. I'd prefer it not to print in the middle of a command being typed. In order to achieve this, I have added to the readline module. There is now a function to determine whether we are reading a line, and one to call rl_forced_update_display. These functions enable me to say (in the daemon thread):

def describe (indicator):
    if readline.reading_line ():
        print ()
        print (indicator.description)
        readline.forced_update_display ()
        print (indicator.description)

I have read PEP7, and have made patchtest on my patch.

components: Library (Lib)
files: patch.txt
messages: 247424
nosy: Barney Stratford
priority: normal
severity: normal
status: open
title: Expand readline module
type: enhancement
versions: Python 3.5, Python 3.6
Added file: http://bugs.python.org/file40029/patch.txt

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