[Urwid] urwid.Pile() - ValueError: too many values to unpack

[Bernardo Torres]

Hi,

I'm starting to use Urwid and I have a little doubt about this program I made:

#!/usr/bin/python
import time, xmlrpclib, urwid, urwid.curses_display

ui = urwid.curses_display.Screen()
ui.register_palette([
  ('header', 'dark blue', 'black', 'standout'),
  ('bg', 'black', 'dark blue'),
])
def main():
  server = xmlrpclib.ServerProxy("http://localhost:8082")
  modules = server.list_modules()
  size = ui.get_cols_rows()
  header = urwid.AttrWrap(urwid.Text("Welcome to the urwid tour!  UP /
DOWN / PAGE UP / PAGE DOWN scroll.  F8 exits."), 'header')
  mods = []
  for mod in modules:
    mods.append(urwid.AttrWrap(urwid.Text(mod["name"]), 'header'))
  mods = urwid.ListBox(mods)
  title = urwid.Text(('header', "Diag"))
  footer = urwid.Text(('header', "Aperte F8 para sair"))
  body = mods
  box = urwid.Pile([title, body, footer])
  canvas = box.render(size)
  while True:
    ui.draw_screen(size, canvas)
    time.sleep(1)
ui.run_wrapper(main)


I'm getting this everytime:
Traceback (most recent call last):
  File "./diag", line 26, in ?
    ui.run_wrapper(main)
  File "/usr/lib/python2.4/site-packages/urwid/curses_display.py",
line 174, in run_wrapper
    return fn()
  File "./diag", line 22, in main
    canvas = box.render(size)
  File "/usr/lib/python2.4/site-packages/urwid/widget.py", line 1626, in render
    def render(self, (maxcol,), focus=False):
ValueError: too many values to unpack
bernardo at iraque:~/codes/dialogger$

What I wanted to do is something like what's in the attachment.

Any idea would be nice.
Thanks,

Bernardo
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