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Re: Snow Leopard Cursor Keys broken.

From: Nicholas Cole
Subject: Re: Snow Leopard Cursor Keys broken.
Date: Thu, 8 Apr 2010 20:06:45 +0100

On Thu, Apr 8, 2010 at 6:28 PM, Nicholas Cole <address@hidden> wrote:
> Dear List,
> I'm having a strange curses problem on Mac OS 10.6.3.  If I use the
> system provided python, curses applications do not correctly interpret
> arrow keys (I've tried both with xterm and with Terminal.app, so I
> don't think it is a terminal problem).  If I use the version of python
> I've installed from fink, everything works as expected.
> This is definitely a 10.6.3 problem.  When I found the problem on my
> Desktop machine, I tested 10.6.2 on my laptop and it worked fine.
> Upgrading to 10.6.3 broke the cursor keys in exactly the same way.
> I've attached code that demonstrates the problem.  On 10.6.2 the left
> arrow key produces "KEY_LEFT".  On 10.6.3 it produces "D"

While I was filling out a bug report to Apple, I realised I had sent
the wrong test code to this list.  My apologies.  Here is something
that will illustrate it without requiring non-standard libraries!

import curses
import curses.ascii

def mainloop(scr):
    while 1:
        ch = scr.getch()
        if ch == "-1": scr.addstr(2, 0, '-1')
            scr.addstr(0,0, "%s, %s,  %s" %
            (curses.keyname(ch), curses.ascii.unctrl(ch), ch))
            scr.addstr(1,0, str(ch))

if __name__ == "__main__":
#   locale.setlocale(locale.LC_ALL, '')
    print curses.wrapper(mainloop)

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