[PATCH] obtain terminal_width via curses

[Robey Pointer]

On 25 Apr 2006, at 18:36, Gustavo Niemeyer wrote:

> Hey Martin,
>
>> Thanks for the patch.  There is an existing bug open for this,
>> https://launchpad.net/products/bzr/+bug/3507
>>
>> That bug suggests using TIOCGWINSZ to do this, rather than curses,
>> which is at least conceptually more lightweight.  Are there any
>> particular advantages to using curses?
>
> I've just added a comment to the bug with the function I use
> in Smart PM, based on TIOCGWINSZ.

I can't follow links right now because I'm offline, but apparently I  
posted a patch for this back on Valentine's day.  I can't remember  
why it got rejected?  Attached below my sig.

robey


=== modified file 'bzrlib/osutils.py'
--- bzrlib/osutils.py
+++ bzrlib/osutils.py
@@ -617,4 +617,12 @@
      try:
          return int(os.environ['COLUMNS'])
      except (IndexError, KeyError, ValueError):
-        return 80
+        pass
+    try:
+        # this only works on posix
+        import fcntl, termios, struct
+        height, width = struct.unpack('hh', fcntl.ioctl(sys.stdout,  
termios.TIOCGWINSZ, "    "))
+        return width
+    except ImportError:
+        pass
+    return 80