[Urwid] Unbearable slowness in UTF-8 mode

Ian Ward ian at excess.org
Wed Oct 11 14:04:34 EDT 2006

Ian Ward wrote:
> Nuutti Kotivuori wrote:
>> In any case, this slowness is a showstopper for me - and I'm wondering
>> what would be the best way to optimize this.
> Currently Urwid redraws all the visible widgets every time you call 
> render.  The Text widgets do cache the result of their alignment and 
> wrapping, but Urwid might be calling calc_width unnecessarily on text it 
> should already know the width of.

Please try the attached patch.  The Columns widget was causing 
calc_width to be called unnecessarily.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: less_width_checking.patch
Type: text/x-patch
Size: 1429 bytes
Desc: not available
Url : http://lists.excess.org/pipermail/urwid/attachments/20061011/113305d0/less_width_checking.bin

More information about the Urwid mailing list